US2650378A - Davit - Google Patents

Description

Sept. 1, 1953 H. E. WEINSTEIN DAVIT 8 Sheets-Sheet. 1

Inventor:

Filed Feb. 24, 1950 HERMAN EDWARD WEINSTEIN Attorneys Sept. 1, 1953 Filed Feb. 24, 1950 FIG.

H. E. WEINSTEIN DAVIT 8 ShetS -Sheet 2 INVENTOR HERMAN EDWARD WEINSTEIN,

BY MMYfM ATTORNEYS Sept. 1, 1953 Filed Feb. 24, 1950 PIC-3.3

H. E. WEINSTEIN DAVIT a Sheets-Sheet 3 HERMAN EDWARD WEINSTEIN,

BYk hmh' d ATTORNEY-3 p 1953 H. E. WEINSTEIN 2,650,378

DAVIT Filed Feb. 24, 1950 8 Sheets-Sheet 4 Ln N N N Kl N N 2 fig (D m w In In w o LL.

Attorneys Sept. 1, 1953 H. E. WEINSTEIN DAVIT Filed Feb. 24, 1950 8 Sheets-Sheet 5 Aftorneys p 1953 H. E. WEINSTEIN 2,650,378

DAVIT Filed Feb. 24, 1950 8 Sheets-Sheet 6 w .1 Mo

r- WV Inventor:

HERMAN EDWARD WEINSTEIN,

Attorneys Sept. 1, 1953 H. E. WEINSTEIN 2,650,378

DAVIT Filed Feb. 24, 1950 s Sheets-Sheet 7 INVENTOR HERMAN EDWARD WEINSTEIN,

ATTORNEYS Sept. 1, 1953 H. E. WEINSTEIN DAVIT 8 SheetsSheet 8 Filed Feb. 24, 1950 FIG. 8

FIG. 9

. INVENTOR HERMAN EDWARD WEINSTEIN,

ATTORNEYS Patented Sept. 1, 1953 UNITED STATES FATENT ()FFIC-E DAVIT Herman Edward Wcinstein, Schenectady, N. Y.

Application Februaryj24, 1950, Serial No.;145,'949

8 Claims.

This invention relates to boats in general and more particularly to davits for landing and launching boats from larger vessels. This invention is directed primarily to davits of the type for raising, launching or storing dingies or equivalent small boats, particularly on small craft.

Heretofore many types of davitsor dingy hoists have been utilized, but in these previously used constructions complicated bulky and inefiicient structures were utilized.

An object accordingly of the present invention is to provide improved apparatus for raising, launching or storing a dingy or other small boat, particularly on small water craft.

further object of the invention is to provide such means which are simple, light-weight, inexpensiveto manufacture and maintain and easy to operate for the purpose for which the invention has been made.

A fur her object of the invention is to provide a tdavit which can be applied or afiixed inan easy manner to boats and which are adapted for storing a dingy upside down on the deck .or cabin roof of the craft carrying the .dingy.

A further feature of the invention is to provide a davit whereby a dingy is lifted directly from the water vertically and then by a rolling motion turned upside down either on .the deck or on the cabin roof.

A further object of the present invention is to provide a means for automatically locking the dingy on the deck of the craft when in an inverted position.

A still further object is to provide an apparatus of this character which is safe in operation in that it is always self-locking whereby accidents in lowering or raising the dingy are obviated.

Still another object of the present invention is to provide an apparatus which is self-contained and having all necessary parts thereof a permanent part of the davit or hoist.

Other and further objects of the present invention will be apparent from the following detailed description .of preferred embodiments of the invention when taken together with the accompanying drawings, in which Figure 1 is a partial lan view of the apparatus utilized with the dingy and connecting cables omitted;

Figure 2 is an elevational view of the apparatus with dingy attached secured to the top of a boat cabin shown in section;

Figure 3 is a view similar to Figure 2 but showing the dingy in a vertical position after partial raising thereof;

Figure 4 is an elevational .view of the dingy in position to be lowered into the water;

Figure .5 is an elevational view of a modification of the invention wherein the davit is vertically attached to the .cabin of the boat;

Figure 6 is an elevational view of a further modification of the invention;

Figure '7 is an elevational view of an additional modification of the invention wherein the davit is attached to the sides or stern of the boat and herein the hoist may be secured in a vertical position or pivoted onto .the stern deck;

Figure 8 .is a partial elevational view of a modified securing means between the .davit and the din y;

Figure 9 .is a plan view of securing means for attachment to the dingy in the embodiment of Figure 8; and

Figure 10 is an .elevational view of a pulley and. fastening means for the embodiment of Figure 8.

In the drawings, the numeral l0 designates in general the top of a deck house or cabin and II a side deck on the craft which is somewhat lower than the top of the deck house 10 and 'hasa width which is common to many small craft of usual design. It is necessary in all dingy hoists or davits that the boat, when being either raised from the water for securing to the craft or when being lowered from thecraft into the water, clear this side .deck 1.]. In the embodiment of the invention as shown in Figures 1 to 4 inclusive a tubular member l2 of any suitable dimensions to fit the craft to which the hoist is to be attached is provided, and the tubular member is aflixed in this embodiment to the top of the deck house It by :means of U-shaped brackets l3. As will be noted, two tubular members 12 are provided which are spaced from'one another and parallel. An offset fitting i4 is screwed onto each tubular member 12 .at that end adjacent "to the side from which the dingy is to be lowered. This olfset fitting I4 has an opening IS in the free end thereof. Hinged to the ofiset fitting I4 by means of a pin 16 are a straight fitting l1 and a second ofiset fitting I8 similar to the fitting [4. Each of these fittings, namely, I4, I! and I8, are internally screw-threaded at their ends opposite to that joined together by the pin IS. A tubular member 19' similar to the member l2 and having a screw-threaded end, is inserted in the offset fitting 18 by screw-threaded engagement therewith and a threaded tubular member 20 of shorter width than the members l2 and I9 having a screw-threaded end is fitted into the such as by screws 22 and the like.

3 straight fitting H in screw-threaded engagement therewith.

On the members I9 there are provided two adjustable guides 2I which are slidable thereon and which may be secured in any desired manner These adjustable guides 2I may be formed as castings of any desired material and are for the purpose of guiding the dingy into proper relationship with the hoist and at the same time serve as checks for the dingy.

The dingy is generally shown at 23 in Figures 2, 3 and 4 and this dingy, as is usual in boats of this character, is provided with a bumper 24 of rope, hemp, cork or the like for the purpose of preventing injury not only to the dingy but also a to a craft in which it might come in contact. As can readily be seen from the figures, the adjustable guides 2| have inwardly directed curved faces which taper outwardly to the free ends of the guides. This construction is for the purpose of guiding the dingy into proper position on the tubular member I9 when it is raised from the Water into the position shown in Figure 4 from which position it will then be turned onto the top of the deck house II]. By coaction between the bumper 24 and the guides 2 I, the placement of the dingy on the hoist is cushioned and can be readily and easily effected without difiiculty.

' Fastened to the upper. tubular member I3 adjacent itsfree end, there is a clamping member 25-held thereon by acap 25 or the like and which has a two-part hinged cap 21 for the purpose of securing it to the lower tubular member I2. The two parts of the hinged cap 2'1 canbe locked about themember I2 by means of a cotter pin 28 or by any similar means which would serve the purpose of securing the parts together and at the same time have them readily separable for purposes hereinafter to be brought forth. The foregoing discussion has been directly mainly to the structural members which form the framework of the hoist.

In order to secure the dingy 23 to the hoist for raising or lowering the dingy, there is provided an eye 29 secured in the keel of the dingy internally of the dingy. An eye 29 is, of course,

provided at two spaced positions in the dingy.

in order tocOoperate with the spaced parallel tubular members I9 as will be readily apparent from the drawings. In the foregoing discussion, of course, the tubular members I9 and have been singly referred to, but it is to be understood that they are provided in pairs as also the tubular members I2, as shown in Figure 1. A long hook 311 is fastened to each eye 29. To each of the long hooks 30 there is attached a pulley 3I. Due to the position of the eyes 29 the pulleys 3| will be located about midway between the keel and gunwale of the dingy. Fastened to the pulley 3| and extending to each side thereof are light balance lines 32, 33 and these balance lines are attachable to eyes 34, 35 in the sides of the dingy by means of snap hooks 36, 31. These lines 32, 33 serve the purpose of maintaining the dingy on an even keel while suspended in the air for obvious reasons. 7

A wire cable 38 is attached to tubular member l9 at 39. This cable 38 passes around the pulley 3I as shown in Figure 2. A pulley 49 is secured to each of the tubular members I9 about midway between the guide members 2| and another pulley 41 spaced from the pulley 40 is also attached to each tubular member I9. A drum 42 is attached to each of the tubular members 20 in proximity leys 40 and 4| and is then wound about the drums 42.

A self-locking worm gear 43 is provided adjacent one of the drums 42 and attached to the tubular member 20, as is shown in Figure 4. A worm 44 is fixed in position to coact with the worm gear 43 and this worm has a handle 45 hingedly attached thereto at 46. By means of the handle 45 the worm 44 can be turned and, due to coaction with the worm gear 43, will rotate the drums 42 whereby the cables 38 can be either reeled in or let out for the purpose of moving the tubular members I9 and 20 and consequently the dingy which is to be secured thereto. Due to the fact that the handle 45 is hinged at 46 it can be stowed when the dingy is lowered onto the deck house top II] by fitting it into a clip 41 secured to the tubular member 20, 7 In this position,v as shown in Figure 2, the handle 45 will not interfere with the deck house roof.' When, however, this handle is in a position as shown in Figure 3 it will transmit the necessary torque for actuating the cable winding mechanism. V

The dingy is shown in stored position in Figure 2 in the first embodiment of the invention. In order to move the dingy from this stored position and lower it into the water, the pins 28 are first removed from the hinged cap 21 so that the two portions thereof may be separated and released from the tubular member I2. The dingy 23 and the tubular members I9 and 20 are then: raised manually to the position shown in Figure 3 of the drawings. This is a relatively easymovement due to the fact that dingies in common use very seldom exceed pounds in weight and almost as soon as the dingy is lifted from the hori-' zontal position of Figure 2, gravity acts to reduce the lifting load until near the vertical position, as shown in Figure 3, when the load must actually be restrained.

The restraining of the load is effected by bars 48 and 49 which are hinged together at 56. The bar 48 is pivotally secured to the tubular member 29 at 5I and the bar 49 is pivotally secured to the tubular member I2 at 52. Due to this arrangement and construction, when the dingy is raised together with the. members I9 and 20 into the position shown in Figure 3, further movement will be prevented due to the members 48 and 49 and also due to the fact that the cable 33 has been wound into the shortest length on the drums 42.

From a position as shown in Figure 3, all further movement is effected by means of the handle 45. Turning this handle 45 causes the cables 38 to unwind from the drums 42 through the action of the worm and the worm gear 43. As the cable 38 is unwound from the drum the tubular member I9, due to the offset construction of the member I8, is caused to drop to a horizontal position as shown in Figure 4. In this position and in all movement from the position in Figure 2 to the position in Figure 4 the dingy is maintained in contact with the adjustable guides 2i and the tubular member I9 due to the arrangement of the pulleys, as will be readily apparent. In the horizontal position as shown in Figure 4, bars 53 and. 54 hinged together at 55 and having their free ends secured to the members 20 and I9 in a pivotal manner as at 56 and 51, respectively, prevent the arms or tubular members I9 from lowering any farther or below a horizontal position.

assove A further unwinding of the cables 3t? then causes the dingy to lower away from the tubular members re uni-Til it i's'-wat'er-borne. When the dingy iswater-borne it is thenonlynec'essary to. detach the hooks 3'0, 36 and 3 1- in order to-com pletely detach thedingy from the hoist.

To raise the dingy from the water itis only necessary to-reverse the foregoing set forth process. It is pointed out that while the dingy in stored} position; as shown in Figure 2, may rest substantially in the center of the carrying craft, when it is dropped into the water it readily" clears deck H which isa very desirable feature. l'naddition, on small pleasure craft this is a very important consideration as it is desirable" and almost necessary" that all weight be maintained centrally of the craft;

Referring to Figure 1- of the drawings, it can be seen that the spaced parallel tubular members l9- are' secured together at their free ends adjacent the members 2 5 by a cross bar 58* to provide adequate bracing for this structure. Also-in this view the connection between the drums 42" is shown as a bar' 59 which serves to transmit the torqueapplied by the handle 45 through theworm- 44, worm gear 43 to each of the drums for act'uating each of the two cables 38 There is also shown in this view a crossbar 60 connecting the ends of the tubular members 20' as shown by elbow members-in dotted-lines.

As set forth previously, the dingy 23 is maintained in contact with the adjustable" guides 2-1 and the tubular member H! from the inverted .position shown in- Figure' 2 to the upright horizontal position shownin Figure 4. It is to be noted that a pulley 3| is used in the construction rather than running the cable 38 direct from the keel of the dingy to the drums 42 overappropriate pulleys. The reason for use of the pulley 3| is to halve the strain on the cables 38- while only permitting raising or'lowering the dingy from its chocked position to the water when the dingy is free of the chocks or adjustable guide members 2|; While the tubular member [-9 is in a horizontal position it will not move prematurely due to the arrangement of the pulleys until the dingy is in contact therewith; When the dingy is locked against the tubular member l9 by action of the cable 38 and the adjustable guides 2| then further stress or force on the cable 38 causes both the dingy 23 and the tubular member ['9 to raise. It has been found that if the cable 38' ran directly from the keel and over the gui'de'pulley, that the tubular member I9 would be raised before the dingy was locked against this member;

It will also be apparent from the foregoing discussion that the dingy 23 will always be guided into the adjustable guide members and wedged therein to a certain degree by the action of the lifting cables 38. It has. been found that this takes place regardless of the motion of the carrying craft.

A modification of. the dingy hoist is disclosed in Figure 5. wherein the structure of. the. hoist is vertically mounted against. a side. of the carrying craft or, if desired, a. stem orv transom of the larger boat as shown at 6|, 62.. The Water line in contact with the stem or transom is designated in broken lines at 63. In this. embodiment of the invention the members l2, I4, 48 and 49,.asshown in the first. embodiment, arev eliminated. What constituted the shorter intermediate tubular member 20 in the first embodiment and designated 64 in Figure 5,.is' attached directly to the transom or'stem of the largerboat by U-shaped brackets: 65 The remaining: structure in this modification is substantially the-same: as. thatdiscl'osedih- Figures 1 to 4 inclusive and": consequently identical numerical designations have been used. As can readily be seen in Figure 5; the dingy 23 can beheld in the position shown against: the transom 61', and to raise or lower the dingy itis. only necessary t'o turnthe handle which operatesinthis embodiment in precisely the same manner as in the previous embodiments. The step, however, of raising the dingy and portions of the structurefrom the position shown in Figure 2- to that shown in Figure 3 is eliminated since the dingy and thetubular members are already in a vertical position; The cable 38 will securely hold the dingy i'nlocked position as shown in full linesin- Figure 5 since the cable 38 is locked atall times on the drums 42 as previously set forth in this specification. The partially lowered dingy in this embodiment of the invention is shown in dotted lines in Figure 5.

A further modification possible in the present invention is disclosed in Figure 6. In Figure 6 the shorter intermediate tubular member, as

1 represented by the numeral 20 in Figures 1 to 3 inclusive, is designated by numeral 66. The straight threaded fitting 8'8 fastened tothe end of tubular member 66 and the offset fitting 69 are hingedly connected at 10' to a pivot Tl secured to the craft at or near the junction of the substantiall-y vertical side and the horizontal deck. Secured to the deck is a pivot 61 to which is pivotally fastenedarm 49". Arm 49 isjournalled' to 48 as" in Figure 3a In this modification thetubular member l2, clamp I 3 and" fitting l4 have been eliminated. Pivot H has been substituted for M and pivot 61 is used to fastenthe arms 49-. This simplification acts to reduce the number of parts and also the installed height of the hoist-by the one tubular member. It will be clear that the launching or raising of'the dingy with this modification will be identical to the method covered in Figures 2 3, and 4', and the dingy 23, together with the tubular member 12", is turned into the position shownin full lines by pulling inward and downward on the cross connecting bar T3 between the tubular members 12'. When the apparatus is in the horizontal position shown in full lines in the figure, it can be secured to the deck by means of a bracket 15' having hinged portions at its free end and as generally designated at 16'. A pin FT or the like can be utilized to secure the two hinged parts together, thereby clamping the tubular member" therebetween. The hinging or pivoting position shown at T0 would be substantially at the center of gravity of the dingy and thereforethe turning effort required from the. vertical to the horizontalposition would be comparatively simple.-

In Figure 7 there is shown a type of davit which is. adaptable for securing a. dingy to the stern of a carrying. boat andv this modification allows securing. thev dingy either in the substantially vertical. position as shown in dotted lines, or since the davit'. is pivoted. it may be tipped inboard in an inverted position as shown in full lines. The shorter intermediate tubular member 18 is hingedly'supported' at 19' bymeans of the bracket 80. This bracket is attached to the stern deck approximately at the junction of the transom so that the pivot point 19'' allows the davit to be arranged either parallel to the transom 81 or to the stern deck 82 as will be apparent from the drawing. A straight threaded fitting 8-3 is fastened to an end of the tubular member"! and pivotally 7 connected thereto at 84 is the offset fitting 85. A. tubular member 86 is secured to the offset member 85 in a manner similar to that shown in Figure 6. A bracket 81 can be secured to the transom BI to coact with the shorter tubular member 78 when it is desired to hold the davit and-dingy in a substantially vertical position on the transom. A bracket 88 having hinged portions at its free end generally designated 89 can be fastened to the stern deck for coaction with the tubular member 86 if it is desired to tip the davit and dingy inboard into an inverted position and fasten it to the stern deck. A pin 99 or the like can be utilized to secure the two hinged parts together thereby clamping the tubular member 86 therebetween. The bracket 81 can be similar in construction to the bracket 88 or can be merely a U-shaped bracket against which the tubular member I8 can rest. The remainder of the construction shown in Figure '7 is substantially the same as that disclosed in Figure 6 but in this modification the members 49 and 49 are eliminated and in this respect is quite similar to the embodiment of Figure 5. In addition, the position of the pulley 4! has been moved closer to the end of the tubular member 86 and the self-locking worm gear 43 has been moved close to the end of the shorter tubular member I8. These changes, of course, were necessary in view of the pivotal mounting of the entire davit on the bracket 89. The operation of this embodiment of the invention is quite similar to that of Figure 5 and the main difference is due to the pivotal mounting as hereinbefore set forth. The dingy and davit if stored in the inverted position shown in full lines is first raised to the substantially vertical position shown in dotted lines and from that point by actuation of the crank the dingy may be lowered into the horizontal position and then into the water. a

A highly desirable method of attaching the dingy to the davit is shown in Figure 8. A plate 9I is attached directly to the keel 92 of the dingy by means of screws and the like 93. The plate 9| as shown in Figure 9 has two arms 94, 95 extending outwardly at right angles to the keel and having on the ends thereof hooks 96, 91 respectively. The cables 38 are similar in this embodiment to that shown in the other figures but thepulley used in the other figures is replaced by a pulley generally designated 98 and as shown in Figure 10. This pulley has a heavy shaft 99 and side plates I99 between which the pulley'wheel IOI is free to rotate. In the shaft 99 there is a hole on each side of the pulley wheel as at I92, I93. In these 'holes hooks I94, I95 are adjustably retained by means of said screws I96, I91 so that the hooks can be vertically adjusted for various sizes of dingies. At the lower ends of the hooks are loops I98, I99 which coact with the hooks 96, 91 on the plate 9|. The hooks I94, I95 are, of course, arranged at an angle to one another on the shaft as shown in Figure 8 so as to extend to the hooks 96, 91. The hooks are vertically adjustable not only to accommodate various sizes of dingies, but also since it is important that the pulley 98 be above the center of gravity of the dingy and yet hit the tube I9 when the dingy'is hoisted into contact with the davit. This type of 1 connection between the dingy and the davit is is more certain and sure in operation. The action of the davit provided with this type ofconnectionis similar to that of the other embodiments.

. It will be readily apparent that while the foregoing detailed description of preferred embodiments of the invention have dealt only with relatively small and light-weight dingies in common use for pleasure craft, the ideas and structure are by no means limited tosmall dingies but can easily be applied to longer boats such as life boats on large ships. The only change in the requirements necessitated would be larger members as regards the various tubular members and fittings utilized, comparable to the size and weight of the larger boats.

It will also be apparent that the described apparatus can be made to handle various sizes of dingies and means can be provided for adjustment to take care of several sizes in any one model. Since the adjustable guide members can be moved along the tubular member I9, for example, wider dingies can be used and, of course, the spacing of the tubular members can be changed to accommodate longer dingies.

Due to the construction of this apparatus, the only attachments to the dingy which are necessary are two lifting rings or eyes secured in the keel of the dingy and four small eyes for the balancing lines along the sides. The remainder of the apparatus would be standard.

While the foregoing description in detail of the various forms of the invention describes pre ferred embodiments thereof, it is to be understood that various modifications can be made therein by those skilled in the art without departing from the spirit and scope of this invention.

I claim:

1. Apparatus for launching and landing a small boat comprising in combination a plurality of tubular members pivotally secured to one another at the same point and secured to a carrying craft, a boat having. securing means connected in the keel thereof, adjustable guide and checking members on one said tubular member, self-locking worm and gear means on one said tubular member, a first vertical lift pulley connected to said securing means in said boat, a second vertical lift pulley on said tubular member having said guide members thereon substantially vertically above said first vertical lift pulley, apivot pulley on said same tubular member spaced from said second vertical lift pulley,-

a wind-up drumoperatively connected to said worm and gear, a cable connected to said drum passing through said pivot pulley, said second vertical lift pulley and said first vertical lift pulley and then secured to said tubular member having said guide members thereon, said boat being adapted to be raised by said cable into contact with said tubular member having said adjustable guide and chock means thereon without pivoting movement of said tubular member due to the pulley arrangement, said tubular member in contact with said boat being adapted to pivot away from another said tubular member into a horizontal position upon unwinding said cable and upon subsequent unwinding of said cable said boat being lowered from said horizontal tubular member.

2. Apparatus for launching and landing a small boat comprising three tubular members, one said tubular member being secured in a horizontal position to a carrying craft, a second of said tubular members being pivotally connected to said first member, a third tubular member being pivotally secured to said first and second tubular members, the pivotal point for all said tubular members being the same, a boat having securing means in the keel thereof, said third tubular member having adjustable guide and .chocking means thereon for coacting with the gunwales of said boat, a pulley secured to said securing means in said boat, a second pulley secured to said third tubular member approximately centrally of said guide means, a third pulley secured to said third tubular member and spaced from said second pulley, a self-locking worm and gear drive secured to said second tubular member, a drum operatively connected to said worm gear drive, a cable connected to said third tubular member adjacent said second pulley passing through said pulley secured to said securing means and said boat, said second pulley, said third pulley and being windable on said drum, a bracket secured to said third tubular member and having fastening means thereon for coaction with said tubular member secured to said craft for looking all three members together, said second and third tubular members carrying said boat being pivotable away from said first tubular member to a vertical position, said third tubular member and said boat being pivotable away from said second tubular member to a horizontal position upon unwinding said cable,

said boat being lowered from said third tubular member in horizontal position upon further unwinding of said cable.

3. In an apparatus as claimed in claim 2 and including bar members pivotally connected and secured at their outer ends to said first and second tubular members for preventing movement of said second tubular member beyond a vertical position, bar members pivotally connected and secured at their ends to said second tubular member and said third tubular member for preventing movement of said third tubular member below a horizontal position.

4. In an apparatus as claimed in claim 3, said boat having hooks secured on either side thereof internally of said boat, light balancing lines fastened to said securing means and extending therefrom, said lines having securing means on the ends thereof for separable coaction with said hooks and adapted to maintain said boat in a level position when being lowered from said third tubular member in horizontal position upon unwinding of said cable.

5. Apparatus for launching and landing a small boat comprising tubular members pivotally secured at the same point to one another and secured to a carrying craft, adjustable guide members on one said tubular member, a hook secured to the keel of the boat, a first vertical lift pulley secured to said hook, a second vertical lift pulley secured to said tubular member having said guides thereon, a pivot pulley secured to the same saidtubular member and spaced from said second vertical lift pulley, a self-locking worm gear secured to a second of said tubular members, a drum connected with said worm gear, a cable secured to said tubular member intermediate of said second and pivot pulleys and extending through said first vertical lift pulley, said second vertical lift pulley, said pivot pulley, and secured to said drum, the sides of said boat being in contact with said adjustable guides and the carrying tubular member when said cable is wound on said drum, said tubular member in contact with the boat pivotally separating from said second tubular member in vertical position when said cable is unwound from said drum until reaching a horizontal position, said pulleys so stressing said cable as to solely lock said boat in contact with said contacted tubular member until said horizontal position is reached, the boat then separating from said tubular member in contact therewith upon further unwinding of said cable from said drum and the boat being lowered vertically therefrom to contact with the water.

6. In apparatus as claimed in claim 5, said second tubular member being vertically attached to a transom on a carrying craft.

'7. An apparatus as claimed in claim 5, said tubular members being pivotally secured to a carrying craft at the intersection of the vertical and horizontal surfaces at the stern of the craft, supporting brackets on the deck of said carrying craft, said second tubular member being adapted to contact with said supporting brackets, said tubular members being adapted to rest in juxtaposed position on the deck of said craft, and separate securing means on the deck of said carrying craft for coaction with said tubular member in contact with the boat.

8. An apparatus as claimed in claim 1, said tubular member having said sleeve locking worm and gear means thereon being pivotally mounted in proximity to vertical and horizontal surfaces of a carrying craft, said tubular members and said boat being pivotable onto the horizontal surface of the carrying craft and securing means thereon for coaction with said tubular member having said guide and chocking members thereon for fastening said dingy in inverted position.

HERMAN EDWARD WEINSTEIN.

References Cited in the file Of this patent UNITED STATES PATENTS Number Name Date 755,241 Powers Mar. 22, 1904 1,197,394 Philippi Sept. 5, 1916 1,315,895 Worth Sept. 9, 1919 1,799,847 Hall Apr. 7, 1931 2,473,557 Woodrufi June 21, 1949 I FOREIGN PATENTS Number Country Date 17,930 Great Britain 1891

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