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WO1998043869A1 - Sawhorse - Google Patents

Sawhorse Download PDF

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Publication number
WO1998043869A1
WO1998043869A1 PCT/US1998/005296 US9805296W WO9843869A1 WO 1998043869 A1 WO1998043869 A1 WO 1998043869A1 US 9805296 W US9805296 W US 9805296W WO 9843869 A1 WO9843869 A1 WO 9843869A1
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WO
WIPO (PCT)
Prior art keywords
leg
bracket
cutting surface
pπmary
length
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US1998/005296
Other languages
French (fr)
Inventor
William O. Hodge
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU69393/98A priority Critical patent/AU6939398A/en
Publication of WO1998043869A1 publication Critical patent/WO1998043869A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/14Vehicles adapted to transport, to carry or to comprise special loads or objects the object being a workshop for servicing, for maintenance, or for carrying workmen during work

Definitions

  • the present invention related to a saw horse type cutting surface. More particularly, the present invention relates to a cutting surface mountable to a vertical surface.
  • a saw horse type cutting surface is a surface which comprises at least two lengths of cut material (cuttable material such as wood) spaced at a desired distance, each being on approximately the same level from the ground level on which a piece of wort (such as a le"ft tr_ of wood) may be placed for cutting
  • the p ⁇ or art shows several surfaces attachable to the rear of a vehicle
  • the present invention differs from those in that they do not provide a holder for a cutting surface, and in most cases, do not contain parallel cutting surfaces so that they may be used in the same manner as a conventional saw horse
  • the present invention provides a way for providing a transportable saw horse, which may be attached to a vehicle, and preferably the tail gate of a vehicle
  • Other art such as U S patent, 5,267,748, utilizes the rear tail gate hitch having a single tool platform to which a work tool may be secured
  • the inventive concept embodied in the prior art deals with various types of tables and related structures
  • the p ⁇ or art does
  • Padding 14 is also used in this embodiment
  • the jack 50 might be replaced with other adjusting mechanisms
  • One example would be to have an adjusting bolt within the p ⁇ mary leg 4 which is rotated by a handle outside of the p ⁇ mary leg The length of adjusting bolt would rotate and would run parallel and within the p ⁇ mary leg length
  • the bracket could be mounted to an adjusting nut which was fitted onto this adjusting bolt A the bolt was turned, the height of the bracket would vary as the nut holding the bracket moved up and down the bolt
  • the bracket defines holes 18 through which a nail or screw may be d ⁇ ven to secure the cutting surface 1
  • the attachment surface shown in Figure 1 is the tailgate 11 of a truck Any similar surface would provide for a different embodiment, but is considered herein
  • Figure 7 shows the use of a receiver hitch 30 for receiving a receiver hitch beam 34 which in turn holds t-bar 36.
  • Support beams 31 extends upward from the t-bar 36, supported from the ground on one or more base plates 35.
  • the primary leg 4 then is attached to this support beam 31.
  • Extension beams 37 supported by base plates 35 may be provided to lengthen the sawhorse spread between two or more primary legs 4.
  • the extensions have extension pegs 44 which may fit into extension holes 49 to extend the length and add primary legs 4 and their corresponding brackets 2.
  • the bracket 2 has a top 40, a left side 57, right side 58 and bottom 59. The forward top portion of the left side 57 and right side 58 slant down toward the bottom 59 so that progressively more of the cutting surface 1 is exposed.
  • the bracket 2 has one or more holes 18 into which a bolt may be inserted to hold the board or other cutting surface 1 in place within the bracket 2.
  • a hinged top 41 is also shown which would be an alternative or addition to the top member 40.
  • this distance, between cutting surfaces (boards) 1 could vary from no more than 6 inches (15 centimeters) outward.
  • Figure 1 shows one embodiment of the invention.
  • the invention may described as a mounting means, here a primary support 4 which holds a bracket 2, here in the form of a length of channel iron having a longitudinal length.
  • the channel iron bracket 2 defines a slot 3 into which a two-by-four or similar cutting surface 1 may be inserted.
  • the channel iron is mounted on a cane-shaped support (like shown in Figure 8) having a primary leg 4, a top leg 39 and a secondary leg 20 which here are molded together in a single cane-shaped support.
  • the bracket 2 has a brace arm 8 which may rest on the bumper 9 of the pick up truck or against the support 4 or against the ground.
  • the mounting of the bracket 2 to the support 4 may be by a weld or by a hinge so that it may swivel out as shown in Figures 3, 4 and 6
  • the support needs to swivel out at least 90 degrees in the preferred embodiment from the plan formed by the face of the tailgate 11
  • the secondary leg 20 merely hooks over the tailgate the secondary leg 20 may be long enough in order to reach the flat bed of the truck. As shown in Figure 8, this could be done with a secondary leg extension 22.
  • the brace arm 8 may be made adjustable in length, so that it may brace the bracket 2.
  • This brace arm may run from the bracket 2 to the p ⁇ mary leg 4 (as shown in Figure 1 ), or it may run to the bumper 9, or it may run more or less straight down to the ground (as shown in Figure 4), to support the rear of the bracket 2 against the ground.
  • this brace arm 8 is shown going to the ground. It may also rest on a wheel to allow the sawhorse to move with the truck.
  • This brace arm 8 may either be fixed or may be hinged at the point of attachment to the bracket 2 as shown in Figure 3 and Figure 6 It may attached to one or alternatively at all three locations set forth above Since the beam 2 is desirable as a steady surface, some mechanism could be provided in order to hold the support 4 in place and to adjust the angle of this relative to the ground Several alternatives are present for this The simplest, would be to have a bolt 7 push a pad 6 against the tailgate of the truck to which the device is mounted as shown in Figure 8 or to use the brace arm 8 to vary the angle.
  • the shape of the support may co ⁇ espond more closely to the surface over which it fits, so that it tightly fits in place, either with or without a padding to enhance the fit
  • the entire support top may be hmged so that the distance between the p ⁇ mary legs to the secondary legs can be tightened in order to draw the primary leg to the secondary leg, sandwiching the truck bed between the two (as shown in Figure 9)
  • the bracket 2 could be attached by way of hinges 17 allowing the angle between the tailgate and the bracket to change
  • an inner pad 14 is envisioned to cushion places where the support 4 comes in contact with the truck and where the p ⁇ mary leg or secondary leg comes in contact with the truck or the bumper
  • the invention is to be used as a saw horse
  • the brackets themselves must be made of a mate ⁇ al which can be cut or they must provide a slot 3 or the equivalent of the slot 3, in order to mount a cuttable block 1 which is preferably a two-by
  • a board 10 may be placed over the beams, once in place, in order to provide a table surface on which to work.
  • the support 4 may define a scaffold hole 23 at the top into which a scaffold leg 24 may be inserted.
  • the scaffolding provided may support various implements 25 using scaffolding and may support a shade 26 so that the work done is done out of direct sunlight.
  • the combination of the cutting surface 1 and board 10 may be replaced with a table saw or drill or similar device. While this would be a significant departure from the inventive concept embodied herein, it is a possible use of the bracket system herein described.
  • leg 4 or 20 may have an adjustable extension 21 and 22 respectively, in order to allow a single device to be mounted on trucks having tailgates of various sizes.
  • This extension may be, as in the prefe ⁇ ed embodiment, a leg of variable length, mounted to the bottom of either primary leg 19 or secondary leg 20.
  • the primary leg 4 defines a height adjustment means for varying the height of the bracket. In the preferred embodiment this adjustment means comprises a series of holes.
  • the bracket 2 is held in place in the embodiment shown in Figure 1 with a bolt 17.
  • any height adjustment means such as a screw, hydraulic jack, mechanical jack or the like may be substituted.
  • the bracket could be mounted to a nut which traveled on a threaded bolt which could rotate within the primary support.
  • the position of the bracket changes.
  • alternate methods of mounting the beam to the primary leg which would include a permanent welding of the beam in place, the placement of the beam along the set of tracks (such as those used in shelving or specialized tracks for this particular use).
  • it could be secured at two or more points by three or more bolts 17 or the equivalent thereof.
  • the height was determined for a particular set or a particular vehicle, it could then be either welded in place or even glued in place with the proper technology.
  • the height of the pivot 28 changeable along the truck tailgate as by having rails ( Figure 5) serving as primary supports 4 along which pivots or brackets move on c-clamps 53 fitting around the rail type primary supports 4.
  • Rails Figure 5
  • pivots or brackets move on c-clamps 53 fitting around the rail type primary supports 4.
  • FIGS 3, 4, 5 and 6 show methods of modifying the tailgate itself to act as the support 4 for the bracket 2 and brace 8.
  • the tailgate itself may provide recesses 15 into which the bracket 2 fit when not in use.
  • the brackets may be mounted on pivots 28 adjustable on support holes is so that they may swing out into place to receive a cutting surface 1 , here a board.
  • a tailgate opening 29 is shown through which the board 1 can slide onto the truck bed and the truck bed and tailgate opemng 29 function as a bracket
  • the brace 8 may be located below the bracket 2 and run to the ground so as not to interfere with the
  • bracket 2 is mounted by vay of 'the receiver hitch " 30 below the bumper.
  • the primary support 4 is mounted on a support beam 31 by way of a joining means which here comprises a hole 33 in the bottom of the support 4 into which a post 32 in the support beam 31 is inserted.
  • the support beam 31 has a support foot 35 much like the brace arm 8.
  • the support beam is attached to a receiver hitch beam 34 by way of a t-bar 36. This provides for greater spacing between the two brackets 2.
  • the length of the t bar, and the ability to provide for more brackets 2 is provided by having extension beams 37 which may have beam posts 39 which may be inserted into beam holes 38 in the t bar 36 or in other extension beams to form a matrix of support beams and corresponding brackets 2.
  • the bracket is modified so as to have a top portion which may be sealed at the rear with a roof 40, or a hinge 41 holding a cap 42 over the top of the rear portion of the slot 3 in bracket 2 so as to better secure the cutting surface 1.
  • a receiver hitch beam foot 43 which can be used to keep the sawhorse brackets 2 in place after the vehicle is used.
  • extension feet 44 may also be extension feet 44 to support the extensions 37 which may be used to extend the length of the t-bar 36.
  • the t-bar 36 as shown runs in either direction from the receiver hitch beam 34.
  • Figure 8 shows a close up of an alternative support/bracket arrangement shown in Figure 1.
  • the holes 15 and 60 are rectangular and co ⁇ esponding latches 60 are attached to the side (although they could be on the back or bottom) of the bracket 2 so that the beam latches 60 use the side of the brackets 2 and the weight of the brackets 2 to hold the bracket latched in place.
  • Traditional car jacks function in this same fashion.
  • Any jack-type arrangement such as a hydraulic jack or a car-type jack could be utilized in order to raise and lower the height of the beam 2 so as to provide greater adjustment and to allow the level of the beams to be moved without effort when loaded.
  • a bolt 47 through a nut 48 in the primary leg 19 and secondary leg 20 pass into holes 49 in the extensions 21 and 22 to adjust the height.
  • a jack 50 is used to adjust the height as with a standard jack used on an automobile using a jack arm 51.
  • a secondary scaffold hole 52 is available to allow square scaffolds to be erected in conjunction with scaffold hold 23. All of the embodiments shown hold the cutting surface of the board at approximately 90 degrees to the face plane of the tailgate 11. However, a lesser angle might be utilized and still accomplish the desired result.
  • This angle would preferably be for 30 degrees to 90 degrees.
  • a single bracket might be used instead of two as long as a space for cutting was formed, although this would result in a significantly different invention.
  • the ability to alter the spacing of the two cutting surfaces is a significant improvement.
  • there would be a rack folded into the tailgate which would drop so that one part was parallel to the bumper.
  • the second part would drop down past the bumper and perpendicular to the bumper to the ground, and a third part, which would be adjustable in height, would be the bracket, which could be raised and lowered relative to the part went to the ground from the tailgate.
  • Each of the parts coming off of the tailgate could be made in such a way that they folded within the other part and dropped out in a hinge-type mechanism.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

A sawhorse mountable onto a car or truck exterior surface is described. Preferably the mounting surface is the tailgate (11) of a truck. Preferably, at least two brackets (2) are used which are sapced apart by an acceptable distance so as to function as a sawhorse. The height of the two brackets may be varied to vary the distance to the ground and to keep the top cutting surfaces of two boards (1) held by two separate brackets parallel. These boards extend, preferably, at an angle of 90 degrees from the face of the tailgate. The brackets may mount to the tailgate and be removable or be built into the tailgate and may support a variety of distinct elements. The brackets described may also be used on other surfaces.

Description

TITLE: Saw Horse
PRIORITY STATEMENT
This patent is a continuation in part of provisional application serial number 60/042,867 filed 3/28/97 and provisional patent 60/049985 filed 6/11/97.
BACKGROUND OF THE INVENTION
The present invention related to a saw horse type cutting surface. More particularly, the present invention relates to a cutting surface mountable to a vertical surface. PRIOR ART
Figure imgf000004_0001
Figure imgf000005_0001
RELATED ART The prior art as exemplified by the other patents show various platforms which can be mounted to the flat bed of a truck, as well as certain saw holders which are shown mounted either to the bumper or in the bed of a truck for holding saws. None of these prior art references provide for a work surface similar to that provided by two spaced sawhorses. Nor does the prior art suggest a saw horse which can sit onto or over the raised sides, tail gate or rear panel of a flat bed truck. The key elements are a pair of cutting surfaces, each of which cutting surfaces having an exposed end, and a bracket for holding the cutting surface so that the exposed ends are held parallel for cutting. An additional improvement is to use, as at least one anchor for at least one bracket as being the tailgate of a truck. A saw horse type cutting surface is a surface which comprises at least two lengths of cut material (cuttable material such as wood) spaced at a desired distance, each being on approximately the same level from the ground level on which a piece of wort (such as a le"ft tr_ of wood) may be placed for cutting The pπor art shows several surfaces attachable to the rear of a vehicle The present invention differs from those in that they do not provide a holder for a cutting surface, and in most cases, do not contain parallel cutting surfaces so that they may be used in the same manner as a conventional saw horse The present invention provides a way for providing a transportable saw horse, which may be attached to a vehicle, and preferably the tail gate of a vehicle Other art, such as U S patent, 5,267,748, utilizes the rear tail gate hitch having a single tool platform to which a work tool may be secured The inventive concept embodied in the prior art deals with various types of tables and related structures The pπor art does not descπbe two parallel cutting surfaces supported by a vehicle for use as cutting surfaces GENERAL DESCRIPTION OF THE PREFERRED EMBODIMENT A portable version of the preferred embodiment compπses a saw horse type cutting surface as described above held to a vertical surface, such as the side or tailgate of a truck by a mounting means In this embodiment, the mounting means has a bracket engaging on its inner surface, possibly, with padding along an internal surface, which can fit over or onto the vertical surface and tighten in place The mounting means or support provides a surface for mounting a bracket means or beam which may be made in part, of cut material (primarily wood) or may receive a cut surface made of cut mateπal The cut mateπal, such as a wooden two-by-four, provides a saw horse-type cutting surface when two of these elements are in place Hence, in the preferred embodiment, there are two mounting means supporting two brackets holding two cut surfaces In this way two saw horses are provided It is therefore an object of this invention, to provide for a portable saw horse which mav be utilized wherever a raised wall is present It is further the object of this invention to provide a saw horse which may be mounted on the tailgate, receiving hitch or side of a pick-up truck It is further the object of this invention to provide a sturdy, stable surface for cutting in a variety of environments It is further the object to provide a portable surface which can be utilized as a mounting for a table, shade, scaffolding, table saw, drill or for other purposes consistent with the disclosure set out herein These and other objects and improvements of the invention will become more clear from the detailed description of the preferred embodiment set forth below, as well as the figures, in which like parts have similar numbers Drawings Figure 1 is an embodiment showing the preferred embodiment in place over a truck tailgate Figure 2 is a rear view of the embodiment shown in Figure 1 Figure 3 is an alternate embodiment showing the saw horse built into the tailgate of a vehicle Figure 4 is an alternate embodiment of the embodiment shown in Figure 3 Figure 5 is a second alternate embodiment of the embodiment shown in Figure 3 Figure 6 is a third alternate embodiment of the embodiment shown in Figure 3 Figure 7 is an alternate embodiment showing the receiver hitch used as a mounting surface Figure 8 shows a modification to receiving scaffolding of the embodiment in Figure 1 Figure 9 shows a modification to receiving scaffolding present on the embodiment shown in Figure 1 Figure 10 is a detail view from the top of Figure 9 Figure 11 is a detail view of the foot shown in Figure 9 DETAILED DESCRD7TION OF THE PREFERRED EMBODIMENT As can best be seen by reference to Figure 9, the invention compπses a bracket means for holding a cutting surface wherein the cutting surface 1 is preferably a two by four and wherein the bracket means is preferably a bracket 2 held by a support means, here two legs, a first primary leg 4 and a secondary leg 20 These are connected by a top leg 39 In the embodiment shown in Figure 9, each of the two bracket means compπses a pπmary leg 4, a secondary leg 20 and a top leg 39 which here, is a welded integral part of the secondary leg 20 Pads 14 may be provided to ease the contact between the legs and the vehicle tailgate (shown in Figure 1 ) The pπmary leg 4 has pπmary leg holes 18 capable of receiving a straight or locking pm 47 An example of a locking pm is shown in Figure 10 A pπmary leg extension 21 allows for the length of the pπmary leg 4 to be extended The pπmary leg extension 21 fits within the primary leg 4 and has holes 49 which may also receive a locking pm 47 to fit the length of the extension 21 A base plate 35 has a L-clamp 56 attached to the base plate 35 which can hold the device to a vehicle bumper 9 The base plate 35 is secured to the pπmary leg extension 21 by a countersunk bolt 63 and may have a pad 64 over the base plate 35 to even out the height relative to the L-clamp 56 A bolt 7 is used to vary the angle at which the pπmary leg 4 sits against the vehicle by moving the pπmary leg 4 away from the tailgate 1 1 as the bolt 7 is moved towards the tailgate 1 1 The primary leg 4 is threaded so that the bolt 7 may turn through the threading to push against the tailgate 11 At the end of bolt 7 is a pad 6 which serves to cushion the bolt 7 as it presses against the tailgate 11 A locking pin 47 (which may be replaced with a bolt as shown in Figure 1 ) fits though the hole 60 in the c-clamp 53 which fits around the pπmary leg 4 and is secured to the bracket 2 The hole 18 is lined up with a pπmary leg hole 48 at the desired height It could also attach to the secondary leg in other embodiments A second lower pm 47 (or the same locking pin 47) is used to fix the position of the pπmary leg extension 21 by passing though one of the extension holes 49 and pπmary leg holes 18 in this embodiment At the termination point of the extension is a base plate 35 As shown in Figure 11 , the base plate 35 defines a slot 55 which serves to receive a bolt 54 which moves within the slot 55 to position L-clamp 56 which secures of the pπmary leg to the bumper The base plate may turn about pm 63 in either direction to secure from the front or rear of the bumper This shape allows the pπmary leg 19 to rest on the bumper 9 of the truck to which it is mounted Secondary leg 20 lies on the opposite side of the truck tailgate 11 from the pπmary leg 19 Top leg 39 fits over the top of the tailgate 11 and through a hole in pπmary leg 4 to tighten the pπmary leg 9 and secondary leg 20 against the tailgate 11 as shown in Figure 10 Secondary leg 20 need only be long enough to provide a surface to support the cane shaped structure thereby defined Front scaffold hole 23 and rear scaffold hole 52 may be provided to receive scaffolding (shown as 24 in Figure 1 ) as described in more detail in reference to Figure 2 The attached drawings show several different embodiments of the invention In all cases it is envisioned that two separate cutting surfaces 1 , preferably two by fours, will be held approximately parallel so that the combination forms a sawhorse type aπangement In its broadest embodiment, the invention is nothing more than a bracket 2 for holding a cutting surface 1 to an attachment surface, in the shown embodiments, a tailgate 11 It can easily be seen that the sawhorse in the various embodiments shown could mount to different locations on a vehicle, the main invention set out herein However, by describing the specific structure (Figure 8 and 9), it can be seen that this specific type of bracket may fit over boards parallel to the ground and held up by nails into the frame at a house being framed This would be desirable where, for example, it was desired to build a roof over a frame or to have a sawhorse within a frame To accomplish this, a board is nailed parallel to the ground on studs of the frame and then the sawhorses descπbed herein are put onto the board, just as if a tailgate was being used The attachment means for holding the bracket 2 is descπbed herein in several different embodiments In Figure 9 it is a c-clamp 53 fitting around a pπmary leg 4 where the c-clamp 53 is attached to the bracket 2 by a joining weld In Figure 8, the c-clamp is replaced with a jack 50, such as that which is found on standard automobile jack With a jack, the height of the bracket may be adjusted or the height of the bracket 2 adjusted even when fully loaded by using a leveraged arm 51 Here, a bolt 47 fits through a nut 48 to secure the position of the secondary leg 21 relative to the pπmary leg 4 The slots 15 shown in the pπmary leg 1 are engaged by jack 50 Also, Figure 8 shows an embodiment where the pπmary, top and secondary legs are a single unit This would be preferred where only a single sized tailgate was used Here, the adjusting bolt 7 with pad 6 is on the secondary leg as opposed to the pπmary leg. Padding 14 is also used in this embodiment The jack 50 might be replaced with other adjusting mechanisms One example would be to have an adjusting bolt within the pπmary leg 4 which is rotated by a handle outside of the pπmary leg The length of adjusting bolt would rotate and would run parallel and within the pπmary leg length In this way, the bracket could be mounted to an adjusting nut which was fitted onto this adjusting bolt A the bolt was turned, the height of the bracket would vary as the nut holding the bracket moved up and down the bolt As can be seen, the bracket defines holes 18 through which a nail or screw may be dπven to secure the cutting surface 1 The attachment surface shown in Figure 1 is the tailgate 11 of a truck Any similar surface would provide for a different embodiment, but is considered herein For example, using a board nailed to a frame providing a similar surface for attaching the pnmary, top and secondary legs Figure 7 shows the use of a receiver hitch 30 for receiving a receiver hitch beam 34 which in turn holds t-bar 36. Support beams 31 extends upward from the t-bar 36, supported from the ground on one or more base plates 35. The primary leg 4 then is attached to this support beam 31. Extension beams 37 supported by base plates 35 may be provided to lengthen the sawhorse spread between two or more primary legs 4. The extensions have extension pegs 44 which may fit into extension holes 49 to extend the length and add primary legs 4 and their corresponding brackets 2. As can be seen in Figure 7, the bracket 2 has a top 40, a left side 57, right side 58 and bottom 59. The forward top portion of the left side 57 and right side 58 slant down toward the bottom 59 so that progressively more of the cutting surface 1 is exposed. The bracket 2 has one or more holes 18 into which a bolt may be inserted to hold the board or other cutting surface 1 in place within the bracket 2. A hinged top 41 is also shown which would be an alternative or addition to the top member 40. In all of the embodiments, it is envisioned that there would be two brackets 2, having longitudinal lengths which are parallel to one another, and separated by a distance of at least two feet (60 centimeters) so as to hold two boards out from the attachment surface tailgate 11 so that the two boards 1 function essentially like a saw horse. However, this distance, between cutting surfaces (boards) 1 could vary from no more than 6 inches (15 centimeters) outward. Figure 1 shows one embodiment of the invention. The invention may described as a mounting means, here a primary support 4 which holds a bracket 2, here in the form of a length of channel iron having a longitudinal length. The channel iron bracket 2 defines a slot 3 into which a two-by-four or similar cutting surface 1 may be inserted. The channel iron is mounted on a cane-shaped support (like shown in Figure 8) having a primary leg 4, a top leg 39 and a secondary leg 20 which here are molded together in a single cane-shaped support. The bracket 2 has a brace arm 8 which may rest on the bumper 9 of the pick up truck or against the support 4 or against the ground. The mounting of the bracket 2 to the support 4 may be by a weld or by a hinge so that it may swivel out as shown in Figures 3, 4 and 6 When a swivel is used, the support needs to swivel out at least 90 degrees in the preferred embodiment from the plan formed by the face of the tailgate 11 While m Figure 1 the secondary leg 20 merely hooks over the tailgate the secondary leg 20 may be long enough in order to reach the flat bed of the truck. As shown in Figure 8, this could be done with a secondary leg extension 22. The brace arm 8 may be made adjustable in length, so that it may brace the bracket 2. This brace arm may run from the bracket 2 to the pπmary leg 4 (as shown in Figure 1 ), or it may run to the bumper 9, or it may run more or less straight down to the ground (as shown in Figure 4), to support the rear of the bracket 2 against the ground. In Figure 4, this brace arm 8 is shown going to the ground. It may also rest on a wheel to allow the sawhorse to move with the truck. This brace arm 8 may either be fixed or may be hinged at the point of attachment to the bracket 2 as shown in Figure 3 and Figure 6 It may attached to one or alternatively at all three locations set forth above Since the beam 2 is desirable as a steady surface, some mechanism could be provided in order to hold the support 4 in place and to adjust the angle of this relative to the ground Several alternatives are present for this The simplest, would be to have a bolt 7 push a pad 6 against the tailgate of the truck to which the device is mounted as shown in Figure 8 or to use the brace arm 8 to vary the angle. To properly fit the support 4 to the tailgate the shape of the support may coπespond more closely to the surface over which it fits, so that it tightly fits in place, either with or without a padding to enhance the fit Also, the entire support top may be hmged so that the distance between the pπmary legs to the secondary legs can be tightened in order to draw the primary leg to the secondary leg, sandwiching the truck bed between the two (as shown in Figure 9) Similarly the bracket 2 could be attached by way of hinges 17 allowing the angle between the tailgate and the bracket to change To prevent undue damage to the truck m either embodiment, an inner pad 14 is envisioned to cushion places where the support 4 comes in contact with the truck and where the pπmary leg or secondary leg comes in contact with the truck or the bumper The invention is to be used as a saw horse The brackets themselves must be made of a mateπal which can be cut or they must provide a slot 3 or the equivalent of the slot 3, in order to mount a cuttable block 1 which is preferably a two-by-four or four-by-four, depending on the size of the sawhorse desired The slot shown in Figure 7 has a top 40, a left 57 and πght 58 side and a bottom 59 which define the slot 3 into which the cutting surface 1 may fit A hmged top 41 is an optional part to better secure the cutting surface 1 In the preferred embodiment, the slot 3 allows for an enclosed portion of a two-by-four cutting surface 1 of sufficient length to be slid within the slot 3 The remainder of the two-by- four extends out of the slot 3 The two-by-four may be tightened in place utilizing a screw-type mechanism so that the boards do not slip out of the grooves Alternatively, the slots can have sufficiently small tolerances, so that the boards (cutting surface 1 ) are held tightly, or the boards may be held more loosely in these slots 3 As shown in Figure 7, one or more holes 18 in the bracket 2 may be present in order to allow for the board to be secured by way of a screw or nail or bolt which fits through the holes 18 into or onto the board 1 Figure 1 shows a slot which is only enclosed on three sides As can be seen, these slots are to hold boards which are less than ten inches (25 4 cm) across, although they are preferably six inches ( 15 24 cm) or less and greater than one inch (2 54 cm) As shown in Figure 2, top band 12 and bottom band 13 may both be put in place in order to hold the a first pπmary leg 4 and a second pπmary leg 4a in place and to fix the distance from one bracket 2 to the next bracket 2a While these supports are shown on the primary legs, they may also be mounted to the top leg 39 or to theT5irackets 2"anΣT2a. These bands 12 and 13, may also allow for the length between them to be adjusted. As shown in Figure 2 a board 10 may be placed over the beams, once in place, in order to provide a table surface on which to work. In addition, the support 4 may define a scaffold hole 23 at the top into which a scaffold leg 24 may be inserted. The scaffolding provided may support various implements 25 using scaffolding and may support a shade 26 so that the work done is done out of direct sunlight. The combination of the cutting surface 1 and board 10 may be replaced with a table saw or drill or similar device. While this would be a significant departure from the inventive concept embodied herein, it is a possible use of the bracket system herein described. As shown in Figure 8, leg 4 or 20 may have an adjustable extension 21 and 22 respectively, in order to allow a single device to be mounted on trucks having tailgates of various sizes. This extension may be, as in the prefeπed embodiment, a leg of variable length, mounted to the bottom of either primary leg 19 or secondary leg 20. The primary leg 4 defines a height adjustment means for varying the height of the bracket. In the preferred embodiment this adjustment means comprises a series of holes. The bracket 2 is held in place in the embodiment shown in Figure 1 with a bolt 17. However, any height adjustment means such as a screw, hydraulic jack, mechanical jack or the like may be substituted. In one concept the bracket could be mounted to a nut which traveled on a threaded bolt which could rotate within the primary support. As the nut travels up and down this bolt, the position of the bracket changes. There are a number of alternate methods of mounting the beam to the primary leg which would include a permanent welding of the beam in place, the placement of the beam along the set of tracks (such as those used in shelving or specialized tracks for this particular use). Similarly, it could be secured at two or more points by three or more bolts 17 or the equivalent thereof. Alternatively, once the height was determined for a particular set or a particular vehicle, it could then be either welded in place or even glued in place with the proper technology.
Similarly, there could be a groove defined along the length of the primary leg 19 and a
securing mechanism would provide that the bolt could slide within that groove, and then be wide enough or have a washer which was wide enough to prevent it from moving completely out of the slots which would provide for a greater degree of adjustment as shown for the base plate 35 in Figure 11.
Where an embodiment such as that shown in Figures 3-6 is used, it would be preferable to have the height of the pivot 28 changeable along the truck tailgate as by having rails (Figure 5) serving as primary supports 4 along which pivots or brackets move on c-clamps 53 fitting around the rail type primary supports 4. Once two of the supports and brackets are in place, and boards are placed within the slots in the beams and a saw horse or work surface is provided. As described in the invention, it can be seen that although these beams could be uneven; in the preferred embodiment, they would be at the same level so as to provide an approximately flat cutting surface. A level could be utilized in order to assure that they provided a flat surface or where the ground where the user stood was uneven, the height could be adjusted in order to provide a
surface consistent with the perspective of the user. The distance from the ground should vary in order to provide an acceptable height from which to work. Figures 3, 4, 5 and 6 show methods of modifying the tailgate itself to act as the support 4 for the bracket 2 and brace 8. As shown in Figure 5, the tailgate itself may provide recesses 15 into which the bracket 2 fit when not in use. As shown in Figure 5, the brackets may be mounted on pivots 28 adjustable on support holes is so that they may swing out into place to receive a cutting surface 1 , here a board. A tailgate opening 29 is shown through which the board 1 can slide onto the truck bed and the truck bed and tailgate opemng 29 function as a bracket As shown in Figure 4, the brace 8 may be located below the bracket 2 and run to the ground so as not to interfere with the
cutting area In Figure 4 the brackets 2 mounted on c-clamps 53 slide over pπmary supports 4 and 46, fitted through holes 15 and 60 The primary supports 4 and 46 slide within rails 65 built into the tailgate 11 Figure 5 shows where the brace may drop down vertically so that the bumper 9 provides the brace 8 for the bracket 2 Figure 5 shows holes 18 to secure the cutting surface 1 in the bracket slot 3 In addition, there is a tailgate opening 29 through the tail gate 11 which allows the cutting surface 1 to be moved in and out of the trailer bed when the bracket 2 is lowered This tailgate opemng 29 may also hold a portion of the cutting surface 1 so that it does not fall downward when pushed down at the far end from the bracket 2 When the bracket 2 is folded into the tail gate 11 , the tailgate openings 29 are shut off While the invention is pπmaπly designed for use with a vehicle having a tailgate 11 , it can be seen that the attachment surface shown as the tailgate 11 could easily be the side panel or front panel of the vehicle In order to lower the level of the cutting surface further, Figure 6 shows how a tail gate may have the cutting surface on the inside face In this embodiment, the tail gate would have to be constructed so as to fold down below the bumper This could be done by modifying the construction of the bumper or by adding a second tailgate containing the invention behind the pπmary tailgate so that this mechanism would function properly Yet another example of how this may be practiced, shown in Figure 7 allows for the bracket means to be mounted onto the receiver hitch 30 Here the bracket is brought out onto an extended system supports holding primary supports for larger projects using the vehicle as a ready anchor A similar hitch mounted to the front of the vehicle could also be used In Figure 7, the tailgate is not affected. Instead the bracket 2 is mounted by vay of 'the receiver hitch" 30 below the bumper. The primary support 4 is mounted on a support beam 31 by way of a joining means which here comprises a hole 33 in the bottom of the support 4 into which a post 32 in the support beam 31 is inserted. The support beam 31 has a support foot 35 much like the brace arm 8. The support beam is attached to a receiver hitch beam 34 by way of a t-bar 36. This provides for greater spacing between the two brackets 2. The length of the t bar, and the ability to provide for more brackets 2 is provided by having extension beams 37 which may have beam posts 39 which may be inserted into beam holes 38 in the t bar 36 or in other extension beams to form a matrix of support beams and corresponding brackets 2. Since these support beams 21 may have scaffolding holes 23, a matrix for scaffolding is also provided. As shown in Figure 7, the bracket is modified so as to have a top portion which may be sealed at the rear with a roof 40, or a hinge 41 holding a cap 42 over the top of the rear portion of the slot 3 in bracket 2 so as to better secure the cutting surface 1. There is a receiver hitch beam foot 43 which can be used to keep the sawhorse brackets 2 in place after the vehicle is used. There may also be extension feet 44 to support the extensions 37 which may be used to extend the length of the t-bar 36. The t-bar 36 as shown runs in either direction from the receiver hitch beam 34. It is obvious, however, that it may run in only one direction from the receiver hitch, either left, right or back. The only requirement is that either the receiver hitch beam 34 itself or the t-bar 36 hold at least two supports 4 so that a saw horse arrangement is possible. Figure 8 shows a close up of an alternative support/bracket arrangement shown in Figure 1. In Figure 8, at various locations, the holes 15 and 60 are rectangular and coπesponding latches 60 are attached to the side (although they could be on the back or bottom) of the bracket 2 so that the beam latches 60 use the side of the brackets 2 and the weight of the brackets 2 to hold the bracket latched in place. Traditional car jacks function in this same fashion. Any jack-type arrangement, such as a hydraulic jack or a car-type jack could be utilized in order to raise and lower the height of the beam 2 so as to provide greater adjustment and to allow the level of the beams to be moved without effort when loaded. A bolt 47 through a nut 48 in the primary leg 19 and secondary leg 20 pass into holes 49 in the extensions 21 and 22 to adjust the height. A jack 50 is used to adjust the height as with a standard jack used on an automobile using a jack arm 51. A secondary scaffold hole 52 is available to allow square scaffolds to be erected in conjunction with scaffold hold 23. All of the embodiments shown hold the cutting surface of the board at approximately 90 degrees to the face plane of the tailgate 11. However, a lesser angle might be utilized and still accomplish the desired result. This angle would preferably be for 30 degrees to 90 degrees. Similarly a single bracket might be used instead of two as long as a space for cutting was formed, although this would result in a significantly different invention. In the present embodiments, the ability to alter the spacing of the two cutting surfaces is a significant improvement. In one embodiment, there would be a rack folded into the tailgate which would drop so that one part was parallel to the bumper. The second part would drop down past the bumper and perpendicular to the bumper to the ground, and a third part, which would be adjustable in height, would be the bracket, which could be raised and lowered relative to the part went to the ground from the tailgate. Each of the parts coming off of the tailgate could be made in such a way that they folded within the other part and dropped out in a hinge-type mechanism.

Claims

I CLAIM:
1 A device attachable to a vehicle having an mteπor and an exteπor, said vehicle exteπor defimng an attachment surface, said device for holding a first cutting surface defining an enclosed portion and an exposed portion, and said device also for holding a second cutting surface defining an enclosed portion and an exposed portion, each of said first and second cutting surfaces having a top surface, a length and a width with said first and second cutting surface being held by said device so that the first and second cutting surface are approximately parallel and above a standing surface, said device compπsmg
(A) a first bracket means defining a first slot for receiving the first cutting surface enclosed portion so that the first cutting surface exposed portion extends outward and away from the vehicle inteπor and a second slot for receiving the second cutting surface enclosed portion so that the second cutting surface exposed portion extends outward and away from the vehicle interior approximately parallel to, but separated from said first cutting surface, said bracket means being attachable to said attachment surface
2 The invention of claim 1 wherein at least one of the first cutting surface further compπses a wooden board having a top surface and an enclosed portion fitting within the slot and wherein the exposed portion further comprises at least a part of the board top surface
3 The invention of claim 1 wherein the vehicle further compπses a flat bed and wherein the attachment surface further comprises the flat bed of the vehicle
4 The invention of claim 1 wherein the vehicle further compπses at least one exteπor panel and wherein the attachment surface further comprises the at least one exterior panel
5 The invention of claim 4 wherein said exteπor panel further compπses a face having a face plane and wherein the first bracket means and second bracket means holds the cutting surface and second cutting surfaces at an angle between zero and 90 degrees away from the face plane.
6. The invention of claim 1 wherein said first bracket means further comprises a means for adjusting said separation between said first cutting surface and said second cutting surface.
7. The invention of claim 1 wherein the vehicle attachment surface further comprises a receiver hitch and wherein the attachment surface further comprises the receiver hitch of the vehicle.
8. The invention of claim 1 wherein the vehicle further comprises a bumper and wherein the attachment surface further comprises the bumper of the vehicle.
9. The invention of claim 1 wherein the bracket means further comprises a level means for adjusting the angle of the first and second cutting surface top surface relative to the standing surface.
10. The invention of claim 1 wherein the bracket means further comprises a first bracket attached to the attachment surface having at least three walls, said three walls defining a slot for receiving the enclosed portion of the first cutting surface and a second bracket attached to the attachment surface having at least three walls, said three walls defining a second slot for receiving the second cutting surface.
11. The invention of claim 10 wherein the first bracket and second bracket each further comprise four walls, said walls being a bottom wall, a left side wall attached to the left side of the bottom wall, a right wall, attached to the right side of the bottom wall and a top wall having a left side and a right side and being attached on the right side to the right side wall and being attached on the left side to the left side wall so as to define a slot into which the enclosed portion of the cutting surface may be inserted.
12. The invention of claim 10 wherein the first and second cutting surface further comprise a cutting length and wherein the first and second bracket slots have a slot length wherein the cutting length is longer than the bracket slot length slot so that the exposed portion of the first and second cutting surface are completely free of the slot
13 The invention of claim 10 wherein the bracket means further compπses at least one first pπmary leg having a length and a first holding means to hold the first bracket to the pπmary leg and further compπsmg a second holding means to hold the second bracket to the at least one first pπmary leg at different locations along the length of the at least one first pnmary leg
14 The invention of claim 13 wherein the bracket means further compπses at least one first pπmary leg having a length and at least one second pπmary leg having a length and further compπses a first holding means for holding the first bracket to the at least one first pπmary leg at different locations along the length of the at least one first pπmary leg and a second holding means for holding the second bracket to the at least one second pπmary leg at different locations along the length of the at least one second pπmary leg
15 The invention of claim 13 wherein the pπmary leg further compnses a pπmary leg separator which hold the pπmary leg out a predetermined distance from the attachment surface
16 The invention of claim 13 wherem the first and second pπmary leg further compπse a top position and wherein the length of the first and second pπmary legs extends from the top position downward toward the standing surface so that as the holding means is moved from the top position of the bracket means along the length towards the standing surface the height of the cutting surface is lowered
17 The invention of claim 1 wherein the cutting surface further compπses a cuttable surface
18 The invention of claim 17 wherein the cutting surface further compπses a wooden board 19 The invention of claim 18 wherein the cutting surface has a top surface have a width between one inch (2 54 cm) and ten inches (25 4 cm)
20 The invention of claim 10 wherein the bracket further compπses a secuπng means
for secuπng the board m place
21 The invention of claim 10 wherein the bracket compπses a top flange so that when the cutting surface is held within the bracket the top flange may be inserted over the enclosed portion of the cutting surface
22 The invention of claim 20 wherein the secuπng means is from the group compπsing at least one bolt, at least one hole receiving a screw or nail
23 The invention of claim 21 wherein the cutting surface compπses at least three sides and wherein the secuπng means further compπses at least three walls m fπctional contact with the cutting surface on each of the at least three sides
24 The invention of claim 1 wherein the bracket means further compπses an angle means for adjusting the angle at which the first cutting surface and second cutting surface extend outward from the attachment surface
25 A method for providing a cutting surface attached to a vehicle having an inteπor and an exteπor wall compπsing the steps of a) Attaching a first cutting surface, having an exposed surface to the exteπor wall of the vehicle so that the cutting surface exposed surface extends away from the vehicle interior, b)Attachιng a second cutting surface, having an exposed surface to the exteπor wall of the vehicle so that the cutting surface exposed surface extends away from the vehicle inteπor parallel to the first cutting surface
26 A vehicle exteπor panel having a top, a bottom and a panel length between the top and the bottom for holding a first and second cutting surface having an enclosed portion and an exposed portion and a top surface, so that said top surface is approximately parallel to the ground from a vertical surface comprising a) a bracket means attached to the vehicle exteπor panel for holding the first and second cutting surface out from the vehicle panel so that the top surface of the first cutting surface is approximately parallel to the top surface of the second cutting surface
27 The exteπor panel of claim 26 wherein the bracket means further compπses a holding means for holding the bracket means at different positions along the panel length
28 The exteπor panel of claim 27 wherein the holding means further compπses an angle means for varying the angle at which the cutting surface extends from the panel
29 A device for holding a cutting surface having an enclosed portion and an exposed portion and a top surface, so that said top surface is approximately parallel to the ground from a vertical surface comprising
(a) a support means attachable to the vertical surface compπsing at least one pπmary leg having a length and a top position so that the at least one pπmary leg extends downward from the top position along the length,
(b) an holding means for attaching to at least one place on the primary leg, holding attached to said at least one pπmary leg, and
(c) at least one bracket means attached to said holding means for holding the cutting surface so that the exposed portion of the cutting surface is held at an angle of between 30 and 90 degrees from the vertical surface
30 The invention of claim 29 wherein the holding means is attachable at different positions along said primary leg length
31 The invention of claim 30 wherein the bracket means compπses a bracket having a left side, a right side, a top and a bottom and a front end and rear end and wherein said left side, πght side and bottom define a slot open at the front end for receiving the cutting surface
32 The invention of claim 31 wherein the holding means further compπses
(a) a c-clamp attached to the rear end of the bracket, and wherem the pπmary leg extends within the c-claim and between the c-clamp and the bracket bottom and further compπses a locking means for fixing the position of the c-clamp along the length of the pπmary
leg
33 The invention of claim 32 wherein the locking means further compπses at least two pin opening in the pπmary leg and at least one pin opening in the c-clamp and a pin insertable into said pm openings
34 The invention of claim 31 wherein the pπmary leg compπses an inteπor and wherein the adjustment means further compπse a threaded bolt rotatably held within the pπmary leg inteπor and wherein the bracket rear end further compπses a threaded nut in functional contact around the threaded bolt so that as the bolt rotates the position of the bracket changes relative to the length of the pπmary leg
35 The invention of claim 29 wherein the cutting surface has a top surface have a width between one inch (2 54 cm) and ten inches (25 4 cm)
36 The invention of claim 29 further compπsing an angle means for adjusting the angle of the cutting surface top surface from the ground
37 The invention of claim 29 wherem the support further compπses
(a) a first top leg attachment means compπsing a front and a rear and a top leg length, said first top leg attachment means being attached at the front to the primary leg for fitting over the vertical surface,
(b) a secondary leg attached to the rear of the first top leg attachment means so that
1 the vertical surface may fit within a space defined by the pπmary re'g^rst toyid attacti?nl_M means and secondary leg
38 The invention of claim 37 wherein the first top leg attachment means length is adjustable so as to tighten around the vertical surface
39 The invention of claim 29 wherein the length of the pπmary leg is adjustable
40 The invention of claim 39 wherein the vertical wall is attached to a base and wherein the pπmary leg may be extended to be in contact with the bumper
41 The invention of claim 40 wherein the bumper further compπses a top and two sides and wherem the pπmary leg further compπses a bottom and wherem the bottom further compπses at least one bumper bracket means for fitting over at least one of the bumper sides to secure the position of the pπmary leg extension relative to the bumper
42 The invention of claim 29 wherein the vertical surface is over a support surface and wherein the bracket means further compπses a support having a bracket end and a ground end said support being attached to the bracket means at the bracket end and attachable to the support surface at the ground end
43 The invention of claim 29 wherein the pπmary leg further compπses a top and a bottom and wherem the primary leg top defines at least one scaffold opening and wherem the invention further compπses a scaffolding leg having a receiving end fitting within the at least one scaffold opening
44 The invention of claim 29 further compnsmg an adjustment means having a first end and second end, said adjustment means first end being attachable to the first bracket means and said adjustment means second end being attachable to a second first bracket means to the first bracket means to be attached to a second first bracket means so as to allow the distance between the first bracket means cutting surface to be adjusted relative to the second first bracket means cutting surface.
PCT/US1998/005296 1997-03-28 1998-03-13 Sawhorse Ceased WO1998043869A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU69393/98A AU6939398A (en) 1997-03-28 1998-03-13 Sawhorse

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US4286797P 1997-03-28 1997-03-28
US60/042,867 1997-03-28
US4998597P 1997-06-11 1997-06-11
US60/049,985 1997-06-11
US4107098A 1998-03-10 1998-03-10
US09/041,070 1998-03-10

Publications (1)

Publication Number Publication Date
WO1998043869A1 true WO1998043869A1 (en) 1998-10-08

Family

ID=27365842

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/005296 Ceased WO1998043869A1 (en) 1997-03-28 1998-03-13 Sawhorse

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AU (1) AU6939398A (en)
WO (1) WO1998043869A1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3695666A (en) * 1970-09-21 1972-10-03 Coachmen Ind Inc Tailgate bumper mount
US5169202A (en) * 1991-12-26 1992-12-08 John Cupp Multiple-use workbench for use as a tailgate on a truck
US5232259A (en) * 1992-09-14 1993-08-03 Booker Robert F Truck bed air deflecting tool box
US5267748A (en) * 1992-08-25 1993-12-07 Curran Charles F Vehicle tool platform apparatus and method
US5533771A (en) * 1995-01-05 1996-07-09 Taylor; Shepard Multiple purpose truck tailgate apparatus
US5634681A (en) * 1995-04-06 1997-06-03 Gionta; Mark S. Truck mounted work station
US5649731A (en) * 1996-04-24 1997-07-22 Tognetti; Brian J. Workbench on vehicle mounted tracks
US5649734A (en) * 1995-09-25 1997-07-22 Speis; Gregory D. Tail gate box, table, and sink

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3695666A (en) * 1970-09-21 1972-10-03 Coachmen Ind Inc Tailgate bumper mount
US5169202A (en) * 1991-12-26 1992-12-08 John Cupp Multiple-use workbench for use as a tailgate on a truck
US5267748A (en) * 1992-08-25 1993-12-07 Curran Charles F Vehicle tool platform apparatus and method
US5232259A (en) * 1992-09-14 1993-08-03 Booker Robert F Truck bed air deflecting tool box
US5533771A (en) * 1995-01-05 1996-07-09 Taylor; Shepard Multiple purpose truck tailgate apparatus
US5634681A (en) * 1995-04-06 1997-06-03 Gionta; Mark S. Truck mounted work station
US5649734A (en) * 1995-09-25 1997-07-22 Speis; Gregory D. Tail gate box, table, and sink
US5649731A (en) * 1996-04-24 1997-07-22 Tognetti; Brian J. Workbench on vehicle mounted tracks

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