CN201015862Y - Bin unit for nailing machines - Google Patents

Abstract

The utility model provides a wireless perforating machine with an improved storage hopper component. The utility as well provides a lockpin structure to eliminate the block-up of the nail and to reduce the abrasion of the lockpin. A drive holding component is arranged to avoid breakaway of the drive moldboard from the perforating machine unexpectedly. A simplified and high efficiency propeller component is as well arranged on the machine. A propeller holding component is arranged to avoid the moldboard from crashing on the perforating machine propeller. A perforating machine holding component is arranged to allow easy installation and dismounting of the nail from the perforating machine. Furthermore, a mixing tank component installation method is provided.

Description

Bin unit for nailing machines

Cross References to Related Applications

This application claims benefit to U.S. Provisional Application No. 60/559,342, filed April 2, 2004, and U.S. Utility Patent No. 11/050,280, filed February 3, 2005, the disclosures of which Hereby incorporated by reference.

technical field

The present invention relates to a cordless nailer, and more particularly, to a magazine assembly for a cordless nailer.

Background of the invention

Fastening tools, such as power nailers and staplers, are relatively common products in the construction market. Often times, however, available fastening tools may not provide the user with the desired degree of flexibility and freedom due to the presence of hoses and the like connecting the fastening tools to a gas power source. Similarly, many components of typical fasteners, while adequate for their intended purpose, do not provide the most efficient and effective function to the user. Therefore, there is a need in the art for improved fastening tools.

Contents of the invention

The present invention provides a nailer having a magazine assembly with improved components. Also provided is a detent mechanism for clearing nail jams that reduces wear on the detent. A driver retaining member is provided to maintain the alignment of the nail driver and nail and to limit buckling loads. The present invention provides a thruster assembly having a simplified and efficient construction. A pusher retaining member is provided to allow the pusher assembly to move behind nails loaded in the magazine assembly. Nail holding features are provided to allow easy loading and unloading of nails from the nailer. Finally, a method of assembling the bin assembly is provided.

Further areas of applicability of the present invention will become apparent in the further detailed description provided hereinafter. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

Description of drawings

The present invention will be more fully understood from the detailed description and drawings, in which:

1 is a side view of an exemplary nailer with a magazine assembly constructed in accordance with the principles of the present invention;

Figure 2 is a perspective view of the nozzle of a nailer having a detent mechanism for use with the magazine assembly of the present invention;

Figure 3 is a rear perspective view of a pin line and pin projection for use with the pin mechanism of the present invention;

Figure 4 is a side view of a nozzle with driver moldboard and staple retention mechanism for use with the bin assembly of the present invention;

Figure 5A is a perspective exploded view of a nail pusher for use with the magazine assembly of the present invention;

Figure 5B is a top view of the nail pusher of Figure 5A;

Figure 6A is a front view of a nozzle having a nail pusher ejection opening characteristic for use with the hopper assembly of the present invention;

Figure 6B is a side cross-sectional view of a nozzle with a nail stop for use in the hopper assembly of the present invention;

Figure 7A is a top view of the nail retaining system in a released position for use in the bin assembly of the present invention;

Figure 7B is a side view of the nail retention system shown in Figure 7A;

Figure 7C is a top view of the nail retention system shown in Figure 7A in a locked position;

Figure 7D is a side view of the nail retention system shown in Figure 7C;

Figure 8A is an enlarged side view of the bin assembly of the present invention illustrating the method of assembly of the bin assembly; and

Figure 8B is an enlarged perspective view of the area indicated by circles 8B-8B in Figure 8A.

Detailed ways

The following description of the preferred embodiments is merely exemplary in nature and is not intended to limit the invention and its application or uses. .

Referring to FIG. 1 , there is shown a magazine assembly 10 constructed in accordance with the principles of the present invention that operatively cooperates with an exemplary cordless nailer 12 . However, it is to be understood that the present invention can be used with other different nailing machines. The cordless nailer 12 generally includes a housing 14 with a generator (not shown) located therein. The motor drives a nail driver for driving nails (not shown) from the hopper assembly 10 . A handle 16 extends from the housing 14 and terminates in a battery pack 18 . The battery pack 18 is configured to engage the base portion 20 of the handle 16 and provide power to the electric motor.

The silo assembly 10 includes a nozzle assembly 22 and a silo 24 . Nozzle assembly 22 is mounted on housing 14 . The magazine 24 is connected to the nozzle 22 at one end and is mounted to the base 20 of the handle 16 at the opposite end.

Referring to Figure 2, the nozzle assembly 22 includes a detent mechanism 26 of improved design. The nozzle assembly 22 includes a nozzle 28 mounted at one end 30 thereof to a skeleton structure (not shown) in the housing 12 ( FIG. 1 ). The nozzle 28 includes a pair of hook members 32 extending upwardly therefrom. A nozzle cover 34 is pivotally mounted to the nozzle 28 near one end 30 at a pin connection 36 extending between a pair of tabs 37 . A nozzle cover 34 extends along the length of the nozzle 28 between the hooks 32 . Nozzle cover 34 includes ribs 38 extending along its length. Ribs 38 provide strength to nozzle cover 34 and provide a line of sight for the operator of nailer 12 to align nails (not shown). Nozzle 28 and nozzle cover 34 define a channel (described in more detail below) in which a nail is received.

The detent mechanism 26 is mounted on the nozzle cover 34 and includes a detent protrusion 40 and a detent line 42 as shown in FIG. 3 . The detent mechanism 26 is used to lock and unlock the nozzle guard 34 to the nozzle 28 . The detent protrusion 40 is pivotally connected to the nozzle guard 34 at a pin 44 .

Referring to FIG. 3 , the detent wire 42 is pivotally connected to the detent projection 40 at the enlarged slot 46 . The enlarged slot 46 allows the detent wire 42 to be easily mounted on the detent protrusion 40 without swaging the detent wire 42 into the slot 46 . The detent wire 42 has a pair of parallel "s" shaped arms 48 (viewed from the side) perpendicular to a central portion 49 . It will be appreciated that other different shapes with "s" shaped arms 48 could be used. The central portion 49 is provided with a raised portion 51 sized to fit over the rib 38 (best seen in Figure 2).

Referring to FIGS. 2 and 3 , when the nozzle cover 34 is in the locked position above the nozzle 28 , the detent wire 42 is tightly locked in the hook member 32 of the nozzle 28 . The central portion 49 then presses down against the nozzle cover 34 on each side of the rib 38 . This ensures that the nozzle cover 34 is in tight engagement with the nozzle 28 . To release the nozzle cover 34 , the detent projection 40 is urged away from the nozzle cover 34 . The detent wire 42 is then disengaged from the hook 32 , allowing the nozzle cover 34 to pivot about the pin connection 36 and away from the nozzle 28 . The operator can then clear any nail clogs in the nozzle 22 in the released position.

Returning now to Figure 4, the driver retaining member will be described. The nozzle 28 includes a slot 50 formed therein that cooperates with the nozzle cover 34 (when the nozzle cover 34 is in the locked position) to form a channel 52 . Channel 52 is sized to receive nails 53 from silo 24 . A driver moldboard 54 extends from the housing 14 into the channel 52 . Driver moldboard 54 is driven by an electric motor and nail driving mechanism (not shown), and engages the heads of nails 53 to drive nails 53 through nozzle 28 and out of nailer 12 .

However, the driver moldboard 54 can disengage from the slot 50 when the nozzle cover 34 is in its released position (shown in phantom in FIG. 4 ). Accordingly, the nozzle cover 34 includes a cam portion 56 (best seen in FIG. 2 ) formed at one end on the opposite side of the pin connector 36 . When the nozzle cover 34 is moved to the released position, the cam portion 56 engages the driver blade 54 , thereby constraining the driver blade 54 at the slot 50 and preventing the driver blade 54 from disengaging.

Returning to Figure 1, the magazine 24 holds a plurality of nails (not shown) therein. The nails are advanced into the nozzle assembly 22 by the pusher assembly 60 . The pusher assembly 60 is located in the magazine 24 and partially protrudes therefrom for operation by an operator of the nailer.

Referring to Figure 5A, the pusher assembly 60 includes a slider portion 62, a pusher portion 64 and a spring member 80, here a maximum of three components, which can be placed together with different tools, thereby providing a simple assembly. The slide portion 62 includes a slide 66 having a channel portion that may be sized to fit over and slide over the lining (described in more detail below) of the silo 24 (see FIG. 1 ). A handle 68 extends from the slide 66 and out of the magazine 24 . Pin 70 extends from slide 66 and includes a knife portion 72 . Hook 73 protrudes from runner 66 and receives a portion of a biasing member, as described below. The upper portion 62 is a one-piece unitary construction.

The pusher portion 64 includes a pusher 74 that receives nails (not shown) to move them toward the nozzle assembly 22 (FIG. 1). The pusher 74 includes a bore 76 sized to receive the pin 70 therein and the flight portion 72 for providing a flight connection therebetween. An arm 78 extends from the pusher 74 on the opposite side of the aperture 76 . Slider portion 62 and pusher portion 64 are connected together by inserting pin 70 through hole 76 such that strip portion 72 locks slider portion 62 to pusher portion 64 . The pusher portion 64 is a one-piece unitary construction.

The pusher 74 includes a first surface 75 and a second surface 77 . The first surface 75 is angled relative to the second surface 77 and includes an open slot 79 formed therein, as best shown in FIG. 5B. Open slot 79 is configured to partially receive a nail (not shown) therein (this is best seen in FIG. 6B ). Second surface 77 is angled to allow driver moldboard 54 ( FIG. 4 ) to impact second surface 77 to move propeller assembly 60 out of the path of driver moldboard 54 during a stroke of driver moldboard 54 .

Referring to FIG. 5B , the pusher assembly 60 further includes a biasing member 80 such as, for example, a spring. A biasing member 80 is mounted between the slide 66 and the arm 78 to bias the pusher 74 so that the flight portion 72 does not inadvertently disengage from the aperture 76 . Also, the biasing member 80 biases the pusher 74 to maintain alignment with the nails (not shown) loaded in the magazine 24 (FIG. 1).

Referring to FIG. 6A , as mentioned above, the pusher assembly 60 slides within the magazine 24 ( FIG. 1 ) to drive the nail 53 into the channel 52 of the nozzle assembly 22 . However, the pusher 74 enters the channel 52 when all the nails 53 have been removed from the magazine 24 . If the nails have been loaded into the bin 24 when the pusher 74 of the pusher assembly 60 is in the nozzle 28, the pusher 74 will push the nails back until the pusher 74 is no longer in the nozzle 28 and the pusher 74 can be removed. Aligned position with loaded nails. Accordingly, channel 52 includes a pusher compartment 82 formed therein that is sized to receive pusher 74 . This allows the pusher 74 to be moved out of alignment with the loaded nails while the pusher 74 is in the nozzle 28 .

The nozzle 28 further includes a nail stop 83 that spans the channel 52 . As best seen in FIG. 6B , the nail stop engages each nail 53 as the nail is pushed by the pusher 74 . This ensures that the head of the nail 53 in the channel 52 is aligned with the driver moldboard 54 . Also, the nail stop 83 prevents any deformation that might occur as the driver moldboard 54 strikes the nail 53 . The nail stop 83 is formed as part of the nozzle 28 as a separate integral component. Such an integral nail stopper 83 and nozzle 28 reduces production costs.

Referring to Figures 7A-D, loading and unloading of the silo 24 will now be described. The magazine 24 includes a nail track 90 sized to receive a plurality of nails 53 therein (FIG. 6B). The nails 53 are supported at one end in the liner 42 and at the other end by a lower magazine (described below) forming part of the magazine 24 . The nails 53 pass through the pusher assembly 60 and slide up the silo 24 towards the nozzle assembly 2 ( FIG. 1 ). As mentioned above, the pusher assembly 60 slides along portions of the silo 24 , specifically, the liner 92 shown in FIG. 1 .

Nails 53 are loaded into the nail track 90 of the magazine 24 by inserting the nails 53 through an opening (not shown) in the back of the magazine 24 . To retain the nails 53 in the nail tracks 90, the magazine 24 further includes a nail retaining spring 93 mounted therein (FIGS. 7A and 7C). The nail retaining spring 93 acts as a one-way valve, allowing the nail 53 to enter the nail trace 90, but not to come out. Specifically, the nail retaining spring 93 includes a spring arm 94 secured at one end to the magazine 24, and a head portion 96 at the free end. When head portion 96 is in an unbiased state (eg, when spring arm 94 is not fully deflected from its rest position), head portion 96 is aligned with nail trace 90, as shown in FIG. 7A. Head portion 96 includes straightening protrusions 98 sized to engage portions of pusher assembly 60 as will be described below.

Spring arm 94 and head portion 96 cooperate to form an inclined surface 100 such that nails 53 introduced into magazine 24 will deflect nail retaining spring 93 out of the way. The nail retaining spring 93 snaps back to its original position then, thereby preventing the nail 53 from being accidentally disengaged from the magazine 24 .

To load and unload the silo 24 , the pusher assembly 60 is moved to the back of the silo 24 . The rear arm 78 of the pusher 60 engages a cam surface 102 ( FIG. 7C ) in the bin 24 near the rear of the bin 24 (specifically, a portion of the bin 24 as shown in FIG. 8 ). Simultaneously, alignment protrusion 98 moves to align pusher 74, see Figures 7C and 7D. The cam surface 102 and arm 78 cooperate against the force of the biasing member 80 to rotate the pusher 74 out of alignment with the nail trajectory 90, as shown in FIG. 7C. This rotation is transmitted to the nail retaining spring 93 through the alignment projection 98 . Accordingly, the nail retaining spring 93 is moved out of alignment with the nail trace 90 by the pusher 74 . The nail 53 is then free to exit (or enter) the nail track 90 without interference. In this way, the pusher assembly 60 cooperates with the nail retaining spring 93 to allow loading of the magazine in a "load and draw" mode (e.g., where nails can be inserted into the magazine 24 first and then the pusher 60 once in contact The nails are then "turned" out of the plane of the nail track 90 and pulled behind the loaded nails), or in a "erect and load" mode (e.g., the pusher assembly 60 is pulled to the side of the magazine back, and out of alignment with the nail track 90 by the camming surface 102 being erected so that the nails can be loaded and unloaded without restriction).

Referring now to FIG. 8A , assembly of the bin assembly 10 will be described. As mentioned earlier, the nozzle assembly 22 is secured to a skeleton structure (not shown) within the housing 14 of the nailer 12 . The bin 24 generally includes a liner (or guide member) 92 , a lower bin 91 and an upper bin 95 .

First, the lower bin 91 is connected to the nozzle assembly 22 near the lower end of the nozzle assembly 22 . In the particular example provided, screws 97 are used to attach the lower bin 91 to the nozzle assembly 22, although various other methods of attachment are possible.

Next, liner 92 is inserted into receptacle 110 in nozzle assembly 22 from the back of nozzle assembly 22 . Pusher assembly 60 is connected to liner 92 such that sled 66 slidingly engages liner 92 . A constant force spring 112 (formed from axle-free rolled memory-type sheet steel) is then hooked onto the hook 73 of the thruster assembly 60 . As will be noted below, the constant force spring 112 engages a portion of the hopper 24 and biases the pusher assembly 60 toward the nozzle assembly 22 . The liner 92 is then attached to the base portion 116 on the lower bin 91 . As shown in FIG. 8B , the base portion 116 on the lower bin 91 includes a slot 118 therein for receiving one end of the liner 92 . The groove 118 includes a plurality of ribs 119 that engage the liner 92 and form a snap-fit or tight fit therebetween. Alternatively, base portion 116 may include a hole (not shown) sized to receive liner 92 therein, or may include any other means of locking liner 92 to lower bin 91 .

Referring to FIG. 8A , liner 92 and lower bin 91 cooperate to form a fixed subassembly 93 . The upper bin 95 is then inserted along over the base portion 116 of the lower bin 95 and over the liner 92 . In particular, the upper bin 95 includes a bolt receiver 120 extending therefrom, with a wall 121 formed adjacent the bolt receiver 120 . The bolt receiver 120 is sized to fit within an opening 124 formed in the housing 14 of the nailer 12 . Referring to FIG. 1 , screw 123 extends through housing 14 and engages screw receiver 120 to secure upper magazine 95 to nailer 12 . The wall 121 is aligned with the opening 124 so as to cover the opening 124 .

The upper bin 95 further includes a spring retainer 122 . The spring retainer 122 has a cup shape sized to receive and secure the rolling portion of the constant force spring 112 therein. As pusher assembly 60 is pulled away from nozzle assembly 22 , constant force spring 112 acts to bias pusher assembly 60 toward nozzle assembly 22 .

With upper bin 95 connected to lower bin 91 and housing 14, ribbed flange 126 protrudes from upper bin 95 and engages a mating ribbed recess formed in base 20 of nailer 12 128. The ribbed flange 126 acts as a structural support for the silo assembly 10 when assembled. Also, upper bin 95 includes a ramp 134 formed therein for aligning liner 92 when upper bin 95 is coupled over subassembly 93 . In this way, the components of subassembly 93 are automatically secured during alignment, thereby reducing the number of components that must be manually clamped somewhere by an individual.

The method of assembly of the bin assembly 10 allows the user to do so quickly and efficiently by constructing subassemblies that aid in alignment. Furthermore, the engagement of the components of the magazine 24 in the receptacles and holes allows for quick and easy alignment of the components.

The description of the invention is merely exemplary in nature and, therefore, modifications that do not depart from the gist of the invention are intended to be within the scope of the invention. Such modifications should not be considered as a departure from the spirit and scope of the invention.

Claims (27)

1. A holder assembly in a tool comprising: nozzle; a nozzle cover connected to the nozzle and movable between a first closed position and a second open position, the nozzle cover including a surface formed on one end thereof, the nozzle and the at least one forming a channel; a driver placed in the channel; Wherein a surface of the nozzle cover prevents the actuator from moving away from the channel as the nozzle cover moves from the first closed position to the second open position. 2. The retainer assembly of claim 1, wherein the surface of the nozzle cover engages the nozzle as the nozzle cover moves from the first closed position to the second open position. a substantially constant distance. 3. The retainer assembly of claim 1, wherein the nozzle includes a pair of tabs for pivotally supporting the nozzle cover therebetween. 4. A pusher assembly for engaging a fastener in a tool, the fastener being movable relative to the tool, the pusher assembly comprising: a sled portion having a sled adapted to be slidably connected to the tool; a pusher portion having a pusher extending therefrom adapted to engage the fastener in the tool, the pusher portion being rotatably connected to the sled portion; a biasing member disposed between the sled portion and the pusher portion, the biasing portion operable to bias the pusher portion into alignment with the fastener, wherein the The slider portion, the pusher portion and the biasing member constitute a maximum of three parts. 5. The pusher assembly of claim 4, wherein the sled includes a channel adapted to be slidably connected to the tool. 6. The pusher assembly of claim 4, further comprising a slider handle extending from the slider portion. 7. The pusher assembly of claim 4, further comprising a hook formed on the slide adapted to be connected to a spring to bias the pusher assembly to engage the fastener. 8. The pusher assembly of claim 4, further comprising a spring arm extending from the pusher portion. 9. The pusher assembly of claim 8, further comprising a biasing member interposed between said slide and said spring arm for partially rotatably biasing said slide relative to said slide. propeller part. 10. The pusher assembly of claim 4, wherein the pusher includes a face defining a pusher portion having a slot formed therein adapted to engage the fastener. 11. The pusher assembly of claim 10, wherein the face includes an angled portion relative to the pusher portion. 12. The pusher assembly of claim 4, wherein the pusher portion and the runner portion are connected to each other by a strip connection. 13. The pusher assembly of claim 4, wherein the pusher portion and the slider portion are mutually fittable without the use of tools. 14. A magazine assembly for a nailer comprising: a magazine defining a channel for receiving nails therein; a guide member adjacent to the channel; A pusher assembly comprising: a slide part, which is slidably connected to the guide member; a pusher part, which has a pusher adapted to engage a nail in the channel, the pusher part being rotatably connected to the sled portion; and a biasing member disposed between the sled portion and the pusher portion and operable to bias the pusher into alignment with the channel. 15. The bin assembly of claim 14, wherein the biasing member is a shaftless pusher spring. 16. A nozzle assembly for use in a nailer tool comprising: a nozzle having a base portion; a nozzle cover coupled to the nozzle, at least one of the nozzle and the nozzle cover defining a channel formed therein adapted to receive a nail therein; a driver extending within the channel and adapted to engage the head of the nail; and a bridge extending from the base portion of the nozzle and across the channel; Wherein said bridge and said base portion are formed as a single integral member. 17. The nozzle assembly of claim 16, wherein the nozzle cover has a recess in its surface for receiving the bridge of the nozzle. 18. The nozzle assembly of claim 16, wherein the nozzle cover is pivotally connected to the nozzle and includes a cam surface formed on one end thereof, wherein as the nozzle cover moves from the closed position to the open position To move, the cam surface prevents the driver from moving away from the channel. 19. A retaining assembly for use in a magazine assembly of a tool having a fastener located in a channel, the retaining assembly comprising: cam surface; a spring arm aligned with the channel; and a pusher assembly connected to the tool and movable relative to the cam surface and the spring arm between a first position and a second position, the pusher assembly having a first portion and a second portion rotatably connected a portion, the first portion is adapted to be connected to the tool, and the second portion is adapted to engage the fastener; wherein, during movement of the pusher assembly to the second position, the pusher assembly engages the cam surface causing the second portion to rotate such that the second portion engages the arm and urges The arms and the channels are out of alignment. 20. The retaining assembly of claim 19, wherein the pusher assembly includes a biasing member disposed between the first portion and the second portion for biasing the second portion position so that it aligns with the fastener. 21. The retaining assembly of claim 19, wherein the spring cam includes a protrusion formed at one end thereof, and during movement thereof in the second position, the pusher assembly engages the protrusion. 22. The retaining assembly of claim 19, wherein movement of the spring cam out of alignment with the fastener bends the spring cam. 23. A magazine assembly for a tool comprising: a lower magazine adapted to be connected to the tool at one end thereof and having a retaining mechanism at its opposite end; a liner adapted to be attached to the tool and to the retention mechanism; and An upper magazine adapted to be connected to the tool and connected over a portion of the lower magazine and over the liner. 24. The bin assembly of claim 23, wherein the retaining mechanism includes a slot sized to receive the liner, the slot having ribs formed therein such that the liner is retained in the in the slot. 25. The bin assembly of claim 23, further comprising a pusher assembly slidably mounted to the liner. 26. The bin assembly of claim 25, wherein the pusher assembly includes a spring connected thereto, the spring also connected to the upper bin. 27. The magazine assembly of claim 25, wherein the lower magazine and the upper magazine together define a channel for receiving a nail therein.

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