US2940412A - Anchor handling pivotally traversing hoist - Google Patents

Description

June 14, 1960. M. o. WHITNEY ANCHOR HANDLING PIVO'IIALLY TRAVERSING HOIST 3 Sheets-Sheet 1 Filed Dec. 16. 1953 INVENTOR, MAM 0. WH/M/f) ATM/9N5 $5 $1 i 19 rawlwwr June 14, 1960 M. o. WHITNEY ANCHOR HANDLING PIVOTALLY TRAVERSING HOIST Filed Dec. 16, 1953 v 3 Sheets-Sheet 2 INVENTOR. M/IKK 0. 14 19/744 V I BY 7 J W 4770/P/Vf) June 14, 1960 M. o. WHITNEY ANCHOR HANDLING PIVOTALLY TRAVERSING HOIST 3 Sheets-Sheet 3 Filed Dec.

INVENTOR. M481? 0. WH/TA/EV 147 TOR/VEJ r' 2,940,412 1C6 Patented June 14, 1960 ANCHOR HANDLING PIgOTALLY TRAVERSING Ths invention relates to an anchor weighing or hoisting device as well as a casting or launching device and, more particularly, to an anchor winch and vertically swinging anchor support for raising the anchor out of the water by the helmsman from a point remote from the hoisting device.

This invention is an improvement over, and therefore related to, my Patent No. 2,333,836, issued November 9, 1943.

The prior patent illustrates a deck anchor hoist which in substance is similar to the present invention; however, the present invention provides additional features such as a guiding device on the transreversing arm to position the anchor in a predetermined position before lifting and placing the anchor on the deck. Also, there is provided a cooperating lock or retaining means on the deck so that when the anchor is deposited on the deck, it will automatically slide into a locked or rigidly retained position. Likewise also, the prior patent illustrates only a deck anchor hoist. The present invention pertains to any anchor hoist whether mounted on a deck or other- Wise and, in addition, contemplates further embodiments of the hoist whether applied to raising an anchor or to the raising of any load Where the same circumstances exist.

It is an objective of this invention to provide an anchor hoist in which a load supporting arm extends out from the hull of the boat to lift the anchor clear of the boat and in which the anchor supporting arm swings in a hori zontal movement to carry the anchor onto the deck of the boat.

It is a further objective of this invention to provide an anchor hoist in which a load supporting arm extends out from the hull of the boat to lift the anchor clear of the boat and in which the anchor supporting arm is provided with a shelving seat to position the anchor in a predetermined position with relation to the arm as the supporting arm swings in a horizontal movement to carry the anchor onto the deck of the boat.

A still further objective of this invention is to provide an anchor hoist in which a load supporting arm extends out from the hull of the boat to lift the anchor clear of the boat and in which the anchor supporting arm swings in a horizontal movement to carry the anchor onto the deck of the boat, and in which the deck of the boat is provided with a guiding and retaining means for automatically positioning and locking the anchor in a rigidly retained position.

A further objective of this invention is to provide a hoist in which a load supporting arm extends out from the hoist to lift a load clear of the supporting structure for the hoist and in which the load supporting arm swings in a horizontal movement to carry the load onto the supporting structure.

A still further object of this invention is to provide a hoist in which a load supporting arm extends out from the hoist supporting structure and in which the load supporting arm is provided with a guiding means to position the load in a predetermined position with relation to the arm before the supporting arm swings in a horizontal movement to carry the load onto the supporting structure.

Further objectives of this invention shall be apparent by reference to the accompanying detailed description and the drawings in which Fig. 1 is a side elevational view of the anchor hoist in a retracted .position with the anchor deposited and locked in a stored position,

Fig. 2 is a side elevational view with the hoisting arm extended and the anchor suspended therefrom,

Fig. 3 is a plan view of the anchor hoist taken on line 3-3 ofFig. 2,

Fig. 4 is a cross sectional view taken on line 4-4 of Fig. 2,

Fig. 5 is an end elevational view taken on line 5-5 of Fig. 2,

Fig. 6 is a schematic illustration in elevation of the further embodiment of the hoist,

Fig. 7 is a front elevational view taken on line 7-7 of Fig. 6,

Fig. 8 is an enlarged detailed view of the hoist mechanism shown in Fig. 6,

Fig. 9 is a plan View taken on line 9-9 of Fig. 8, and

Fig. 10 is a detailed View of the stop arms and the coupling arms.

Referring to the drawings and particularly Figs. 1 and 2, there is illustrated in dotted lines the bow 5 of the boat and the deck 6 of the boat. The device to be described mounts directly on the deck 6 by means of a deck plate 7 which may be securely fastened in the usual manner by bolting thereto. The hoisting mechanism 4 is mounted to the deck plate 7. The hoisting mechanism consists of a hoisting arm 8 which is in turn secured to a journal or axle 9 mounted in bearings 13, the bearings 10 being secured to the deck plate 7. The journal or axle 9 extends through a hole 10A in the aim 8 and is pinned or keyed to be retained in this position. A pair of parallel cheek pieces 11 rise from opposite edges of the arm 8 and are therefore in spaced relation. These cheek pieces may be formed integral with the arm or separately therefrom and secured to the arm. One of the purposes of the cheek pieces is to form a housing to support sheaves 12 and 13. The arm 8 at its opposite end is provided with a hood 16, the hood 16 being similarly constructed with a pair of parallel extended cheeks 16A and 1613 (Figs. 1, 2 and 5). These cheeks in turn support a -sheave 17. Also mounted between cheeks 15A and 16B are a pair of arcuate shaped seats M and N. Seats M- and N are afiixed tocheeks 16A and 163 respectively. An anchor locking device 18 is secured to the deck as illustrated in Figs. 2 and 3. The device 18 is comprised of two supports 18A and 18 B (Fig. 3). Each support is provided with a hook shaped end 18C to receive the end of the anchor when the anchor is in its retracted locked position (Fig. 1). A pair of coupling arms 21 are pivotally mounted on the journal 9 on opposite sides of the cheek pieces 11 (Fig. 4). These arms extend through an opening X (Fig. 3) in the deck plate. On the opposite ends of arms 20 a sheave 21 is mounted by means of a bearing rod 21A. Each arm 20 is provided with a circular end 21B serving as a cam and into which are provided a. pair of notches 20A and 20B, the notches 20B being in.

alignment with each other.

f illustrated in Fig. 2.

"be pivotally supported at 2 on either side of the cheek pieces 11 (Fig. 4) and must lie in the same plane with arms 20. Arms 1 are provided with a cam'face 1B which 'bears'upona pin57 one end of thecam face 'isflat'and positioned tangential to pin 57 to allow pin57 to move into or out of an abutting relationship. It is also to .be

remembered thatdue to the weight'of the upper portion of arms 1, when pin 57 moves counter-clockwise the cam portion of arms 1 drops by gravity disengagingthe end 1A of each arm from'notches 20B. Pin 57 is shown withouta'roller, however it may also be provided with Q a roller contact. Therefore there "are a pair of pins 57,

each one extending from the outer face of each cheek 11. J

in the positionasillustrated i'n'Fi'gs. '1, 2 and 4. With the arm 8 in its extended positiontFig. 2), arms 1 will be retained as illustrated and arms 1' will in turn actas a stop for arms 20, thus supporting sheave 21 inthe position illustrated When arm 8 is'raised, pin 57 moves 7 10 it is apparent that after arm 8v isl moved to the position shown in Fig. '1 and then moves clockwise to..this position asarm 8 and cheek pieces '11 move clockwise there .is a lifting leverage exerted by pin 51'011 cam face counter-clockwise cam action pressure ofthe lower end of arm 1, bearing against the cam 213, which will cause 21B and arm 2910 pivotally move "counter-clockwise until lA'of arm 1 has moved into the notches B as shown in Fig. 2. During this, operation, the cable is. being payed out, allowing arm 20 due to release of cable presof the end 33A the prongs 33A'may be in an opposite 1B-moving arm 1' counter-clockwise so; that there is a sure to move downward by the force of gravity. This downward movement of the arm 20 moves arm 20,countor-clockwise sutliciently to give thenecessary. distance or leverage when raising arm 8 clockwise; to thusthrow arm 8 past the vertical position. From this position arm necessary to take in cable 15 to efiect this raising of the 1 arm However, when'rarrn 8 passes thevertical position,

cable 15 is payed out and arm 8 descends by gravity. in V a counter-clockwise direction toward the. deck. During clockwise and arm 1 remains stationary as to. pin 2, notch 20B Will'withdraw from 1A of arm 1 and arm 1 20 drops away from arm 1 by' gravity as the cable 15 sis this descent pivot 57 will contact 20Aof arm'20, thus also moving arm 20 in a counter-clockwise direction. It is evident that as arm 20 (see Fig. 2) -moves: counterand 5, it is to be noted that the hood structure '16 supporting the sheave 17 is constructed so that the parallel cheeks 16A and 16B on their inner surface are provided with cam shaped areas 38 and 39. These cam shaped areas and alsoseat M are rounded oif as illustrated in Fig. 5 so that the upper end '37 of the anchor- 33 will abut with the cam surfaces 38 and 39: The surfaces 38 and 39 will guide the anchor to turn it into an aligned position (Fig. 5) so that the parallel faces 35 of the end 37 will align with and fit into the inner parallel faces of the cheeks '161- i and'16B. It is to be noted that the end 37 of the anchor 33 must be wider between faces-A and B' (Fig. 2) than'itis'between faces Cand- D- (Fig. 5) and, inadditiom the distance C-D.must be slightly less than the distance Thus if the anchor end 37 'shouldabut with the hood 16 in the positionillustrated in Fig. 2, since the distance-A.B is "greater than EF, the upper end will abut with the cam'surfaces 38 and 39. Since the end 37 cannot enter between the inner faces of hood 16 in this position, the rounded surfaces of the end 37 will ride against the rounded surfaces of 38 and 39 and twist end 37 until it assumes the position of'FigfS, when it will'enter between the cheek pieces 16A and 16B. It is apparent that with this arrangement the anchor 33 when hoisted or lifted' to its abutment with hood 16 must be positioned as described. This is essential as the lower pivotal end of, the anchor supporting the 7 extended prongs 33A must be in the position illustrated position, thatis tothe right of the-main portion 33 and, of. course, when the anchor is abuttingwith sheave 17 and arm 8'begins'its traverse as soon as the anchor 33 reaches a position to theleft of vertical at a predetermined position, the prongs 33A will drop by gravityto the left of the main portion 33. Referringto Fig. lit is apparent that'when the anchor 33 has been raised into a predetermined position with the end37 registered in the hood '16, the cable 15 when further retracted will naturally exert a lifting pressure on hood 16 and sheave 17. Since end'37 cannot travel any furtherrarrn 8 will be pulled'upward. due to the pull over sheave 13 and the pivotal mounting 9. 'Arm 8 travels as indicated by the 'dottedilines of Fig. 1 and of course, the cheeks 11 will pass through the opening X in the deck plate and pins 57 will abut with'the notches 20A of'arms '20 and thus carry' arms 20 in.a counter-clockwise direction to the 'ex-- treme position illustrated in Fig. 1.. It is to be noted that cable 15 in the position illustrated in Fig. lwouldiabut with' the edge of the iop'enihg X. Therefore to prevent the cable from chafingon this'edge, a roller Y'is mounted across the :edge of the opening to prevent the a cable from chafing thereon. It is also to be noted that cable 15 in its retracted position passes over sheave 13 p and from sheave'13 goes directly to sheave 21'. However,

is payed out, the mute cable '15 is again taken in, arm 20 p will return to the position illustrated in Fig. 2. It is -ap-:

parent tnat a cable. 15 'may be passed over sheave 17 1 mounted in hood 16 and oversheaves13 and 12 m untedL;

(not shown) to be retracted when the'anchor and hoist are to 'be raised or-to bepayed out when the'hoistis when the arm 8 is again extendedpcable 151 will automatically pass from sheave 13' onto' sheave 12 when sheave:12 has passedarm 20. "It is also apparent that the pull of cable 15' on sheave 21Twill pull arms 20 in a clockwise direction toin turn carry arm 8 in a clock"- wise direction when extending arm'8. The operation of retracting:anchor 33 consists of taking in'cable 15 on a hoist or drum (not shown) which retracts anchor 33 out ofthe water and into'an abutting relationship with hood '16. The continued retraction of cable'15 causes thehoist to pivotally move about 9. When arm .8 reaches a'posi tion 'to the left of'a vertical from 9, cable 15 must be 7 will fall in a counter-clockwise direction and the end of the prongs will fall into a registering position in the mouth of the hook shaped portion 180 of the locking elements 18. As the arm 8 drops further, the ends of the prongs 33A will slide inward into the hook shaped portion 18C (due to their pivotal mounting) and, of course, in a fully retracted position, the prongs are in a tightly registered locked relationship with elements 18. Referring to Figs. 1 and 5, it is to be noted that when the end 37 of the anchor 33 has been raised so that the end 37 has twisted and been drawn between the cheeks 16A and 16B, the end 37 will be retained in an abutting relationship with the sheave 17. When the hood 16 moves into the dotted position (Fig. 1) the lower shoulders of the end 37 of the anchor will ride on the seats M and as the arm 8 drops to the deck it is apparent that the end 37 will be locked or retained in hood 16 so that it cannot be movedto the right (Fig. 1), and since the ends 33A of the anchor are fitted into the hooked portion 18C the anchor cannot move to the left (Fig. 1). Thus the anchor is securely locked and retained in the position illustrated. It is to be further noted that in raising arm 8 back to the dotted position (Fig. 1) after arm 8 continues to travel in a clockwise direction, arm

8 will reach a position to the right of vertical wherein the anchor is suspended beyond the bow 5 of the boat. At this predetermined position the end 37 of the anchor will slide ofi the seats M and the anchor will then drop away from the hood 16 as illustrated in Fig. 2. Of course it is apparent that prongs 33A consist of a pair of parallel extended prongs to fall into an aligned relationship with elements 18. As a precaution when the hood 16 is in the retracted position as illustrated in Fig. 1, an additional snap lock 43 may be utilized to lock the hoisting arm and hood in the position illustrated. The snap lock 43 may be manually mounted by lifting the hook shaped end 43A and catching it over a pin42 in the hood 16. Or, the snap lock 43 may be operated automatically, that is, pin 42 as it descends with hood 16 may ride against the end 43A of the snap lock depressing element 43 until pin 42 has passed the end 43A. By utilizing a spring 438, the end 43A will snap upward and hook over pin 42 when hood 16 reaches its ultimate retracted position. When it is desired to raise hood l6 and arm 8, it is simply a matter of releasing the snap lock 43. Thus in operating the device in an opposite direction to drop anchor when the snap lock 43 is released, cable 15 is again retracted by the hoist or mechanism (not shown). The pull of cable 15 will be affected on sheave 21 as the anchor 33 and arm 8 are still in a locked position. Thus with the pull on sheave 21, arms 2% will be moved in a clockwise direction and prongs 33A will slide out from under the hooked portions 18C before anchor 33 is actually lifted. The movement of arms 20 thus aifects the same movement of arm 8 since arms 20 are abutting with the pins 57 and by means of the cheek plates 11 will affect the raising of arm 8 and the hood 16 will travel as indicated by dotted lines in Pig. 1 until hood 16 reaches the vertical position above journal 9. As soon as hood 16 passes to the right of the vertical position, cable 15 must be reversed in its direction, that is, it must be payed out and arm 3 will continue to drop by gravity until it reaches the position illustrated in Fig. 2. It is to be noted that during this downward travel of arm 8, shoulders M prevent the anchor from dropping onto the deck until after it has cleared the bow of boat. Upon reaching this position, cable 15 will be payed out and anchor 33 will drop away from hood 16 and be lowered into the water as desired. It is to be noted in this anchor lowering or dropping action that as the line 15 is payed out (the speed of dropping or lowering may be controlled to prevent the anchor from pounding on the deck), arms 20 are moved in a the opposite ends of arms 1 will act as a stop for arms 20 to retain arms 20 in the position illustrated in Fig. 2. It is to be remembered that arms 20 and arm 8 are pivotally moveable about the journal 9. Thus in the lowering of arm 8 from the vertical when cable 15 is payed out there would be a tendency for arm 20 to drop but the greater weight on arm 8 will cause arm 20 to continue to move counter-clockwise until it reaches the position illustrated in Fig. 2. This is caused by the cam action of arms 1 (as shown in Fig. 10).

Referring to Fig. 4 there is illustrated a view partially in cross section which illustrates the relationship of cheeks 11 of arm 8 and the manner of mounting the sheaves 12 and 13. By utilizing blocks 12B and 133 on either side of the sheaves and affixing the blocks to the checks, the sheaves may be retained in a pivotally supported position as illustrated. However, it is not necessary to use blocks between the cheeks 11. A wider sheave may be utilized and likewise, although arms 20 are illustrated as perfectly straight, utilizing blocks on either side of sheave 21, arms 24) may be bent inward to dispense with blocks, but in any event the cams 2113 must be retained in alignment with coupling arms ll. It is also apparent in Fig. 4 the manner in which arms 29 are pivotally mounted on the journal 9. It is further apparent how the arms 1 are supported by brackets 1C and ID on either side of arms 1 to pivotally support arms 1 with pins or bearings 2. It is also apparent in Fig. 4 the manner in which sheave 21 is mounted in an aligned position with sheaves 12 and 13 and may be retained in this position by a pair of blocks retaining sheave 21 spaced from the supporting arms 20 and pivotally retained on a center axle 21A. There is also shown a tie rod 4-2 (Fig. 5) which prevents the cable from jumping out or leaving the sheave 17. The end 37 may be forged as one with the anchor stock or it may be made in two half sections and bolted together with a bolt P (Figs. 2 and 5). In either case a slot or recess shall be provided so that the cable 15 (which enters 37 through a hole H) may be knotted 'or otherwise enlarged to serve as a swivel to prevent the anchor from twisting the cable into a knotty condition.

Referring to Figs. 6, 7, 8 and 9 there is illustrated a still further embodiment of this invention. The hoist is applied to an industrial use rather than -a marine or boat mounting. In this embodiment the operation of the hoist is identical to the foregoing embodiment but there is a departure in the structure. The structure comprises a supporting framework 69 with a fiat base 61. The base 61 may be provided with rollers 62 or larger wheels (not shown) so that the structure may be readily moved into a desired position and, of course, locked or chucked in the desired position. The framework 69 supports a pair of spaced angle elements 63 and 64. Elements 63 and 64 are provided with a pair of parallel supporting walls 65 and 66. The general structure of the hoist, that is ann 8A, is similar to arm 8 of the foregoing embodiment except that it is shaped differently and, in addition to the sheaves 17A, 13A and 12A, arm 8A also supports a sheave 67 and a roller 68 to assist in guiding cable 15A. A pair of arms 20A are similarly afiixed with relation to arm 8A and pivotally. supported by a journal 9A and abut with similar arms 1E so that the complete structure operates exactly as the structure described in the foregoing embodiment. The only variation is the fact that sheave 17A is mounted to one side of arm 8A and the cable passing over sheave 17A must pass around roller 68 and over sheave 67 before passing over the sheaves 13A and 12A. This offset mounting permits lifting a load such as L (Figs. 6 and 7). With the load L lifted to the position illustrated in Fig. 6, there is ,a stop element 69 on cable 15A preventing lifting the load any higher. With stop element 69 abutting with the sheave, the arm 8A will be pivotally moved as shown in Fig. 6 or raised to or less as shown in Fig. 7 and of vertical .(asflshown inpdotted linesFig' .6)- cable A maybe-payed out andthe loadL will be dropped tothe dotted position .illustratedin Figs 6. .In this embodiment there is illustrated, a load L supported by cablelSA and there;is nofneces'sity. of moving.-the load L .higherthan the frameworkfit) or into any particular position. -There fore the manner of'deflecting or. registering. theend of the load such as. the anchor of the foregoing embodiment is notdisclosed. It is to be understood, however, that in the eventit'is necessaryv to retain the load in a'desired position, the samemanner of guiding the upperend of the load into a registered position as that illustrate and described withn'elation to the end 31 ofthe anchor in r the foregoing embodiment may be utilized. Various changes. maybe made .without departlng from the spirit of this invention, that is, in thepreferred embodimentLalthough there is-illustrated a hoist mounted. on the deck of :a" boat, the'hoist may be mounted-on any decklor any platform or any flatvarea whether ,itbe. a

boat, a barge, or even awharf and the-complete,operation will be as already'described. Likewise, although there is shown a particular type. of a'nchonit isapparent is also to be understood that in the otherembodiment of this invention, although thehoist supporting structure retains the load on one side, it may be constructed to 7 8 end of said couplingarms, a pairof stop arms pivotally supported-one on each side of said check pieces and said stop arms engaged bysaicl cheek pieces tobe pivotally moved into engagement with said, coupling to stop the movement of said coupling; arms during the dropping of said anchor and said stop armsbeing releasedfrom their engaged position when said hoisting arm is elevated, w a 3.. In a device according to claim 2' in-which there are a secondpair of cheek pieces at the opposite end of the hoist arm and in which these cheek pieces aresemicircular in form and are rounded along the edge that will abut withv the upper end of the anchor and are spaced apart enoughto allow the anchor shaft to fit between the cheek pieces when the narrow portion of the anchor shaft is in alignment'with the cheek, pieces tothus turn and hold said anchor in a predetermined relationship with. said deck, 'unt-il thearm: and anchor restupon saiddeck. 1 T :5. H

' 4.-1n device according to claim l in which said cable may be retracted when said hoisting armisfully extended, said anchor abutting with said hoistingarmduring the retraction of said cable and said cable in turn raising retain it on the opposite side or by providing a turntable rotated so that itmay be utilized in a variety of positions rather than in a set position'as illustrated; Similarly, although there is illustrated an arm 8A of. a solid framework, the arm 8A may be of any desired length jandmay be comprised of a plurality of elements such as the usual boom of a hoist. This invention shallbe limited only by the appended claims.

What is claimedis: v; 1. In combination with a deck anchor hoist-including a hoisting arm pivotally mounted on a boat deck,',means at' the outer end of said arm to support a hoisting" ,cable,

, means. at the opposite end of said arm and carried by said' arm for support of said cable, saidmeans .s'pacedfrom the pivotal center of said arm, a pair ofcou'plingarms' mounted adjacent ,tothe pivotal end'o'f said lioistingarm and, pivotally moved with. the movement of'said' hoisting arm, means, carried by saidjcoupling' arms at theirouter end for the support of a cable, a hoistingcable'extending from the end of said hoisting arm about-'all'ofgsaid supsaid hoisting armrto a vertical position, a pair of pins I mounted on either side of saidhoisting armand offset from the pivotal center of said hoisting arm, said pins abutting with said pair of pivotal arms to retain one cable sheave in an offset position, said position of said sheave providing a downward pull of'said cable to lift i said hoisting arm in its retracting motion, past its vertical position; and where it may be dropped toward the deck by the force of gravity.

'5'. .A deck anchor'hoist including afdeck plate having an opening therethrough and bearings mounted'on said plate at saidopening, a hoisting arm and journals pivotally supported in said bearings, sheaves carried by said arm at its opposite end's for thesupport of ai hoisting cable, a pair of coupling armsmounted-a'djacent to the pivotal end of said hoisting arm on said. journals, said coupling arms pivotallymoved with the movement'of said hoisting arms, a sheave carried between said coupling arms at their outer end for thesupport of a said hoisting cable, a hoisting cable extending about said cable sheaves, an anchor attached to the loose end of said cable, a pair of stop arms oneon each side ofsaid'hoisting arm and pivotally mounted to said, deck plate, said stop arms ports for the hoisting of ananchor, an; anchor secured to the outer end of said cable,ja pairiof stoparm s, one

on each side of .said hoisting and pivotally mounted to said deck, said stoparms engaged bysaid hoisting to ,be' pivotally moved into an engagement, with said coupling armsjforstoppingthe movement of said "coupling arms and said hoisting Whemdrppping vsaid anchor, and said coupling arms engaged by 'saidrhoisting arm to release said step armsfrom their lo ck'ed position when said hoisting arm is elevated. r

pivotal end m opposite sides of said hoisting arm, cable 7 sheaves mounted between said ch'eek pieces and spaced from the pivotalcenter of said hoisting arm aspair. of

coupling arms mounted adjacenttof thejpiyotal end of 7 said hoisting arm to be pivotally moyed'withi the movement of said hoisting arm, aflsheave support ,for'said; cable at the outer'end ofsaid coupling aim, ia hoisting cable extending from the endof said hoisting'jarmacross the pathof said cable sheave findoverithesheavei at the engaged by. said hoisting arm-When it is moved forward andlowered, said stop arms fllus being pivotally moved into' engagement with said couplingarms to; thus position said coupling arm'sfor the subsequent lifting of said anchor. V I

6. In a deviceiaccording to anchoring positioning guide is mountediat the outer 'end' of said.

hoisting arm. to 'turn andhold said anchorin a predetermined relationshiplwithsaid deck, means to first raise.

said anchor with said cable toabut with the outer end of said hoisting arm and be'retained in a predetermined relationship, 7 means. to subsequently graise saidhoisting arm with said cable'in-ja' pivotal movement until it has passed a perpendicularposition, and means, to. drop said pieces, the pressure from saidcouplingarms whentaken in cable, being translated to. carry said hoist armpast the vertical position, andlet the-hoist ,arm and anchordrop j by gravityto the'deck. 1 1 r g 8. In. a deviceaccordirigto of pins are mounted on opposite sides of said hoisting arm and off-set from the pivotal center of said arm, said coupling arms bearing against said pins when said anchor is in a retracted position, said hoist arm and anchor being first raised with said cable to a vertical position by taking in said cable, said coupling arms and said pins carrying said hoist arm in its pivotal movement past a vertical position when lifting said anchor oi the deck until it reaches its maximum extended position, and then dropping the anchor away from said hoist arm.

References Cited in the file of this patent UNITED STATES PATENTS 1,636,944 Schauman July 26, 1927 5 1,640,672 Schauman Aug. 30, 1927 2,042,753 Wilson June 2, 1936 2,333,836 Whitney Nov. 9, 1943 OTHER REFERENCES 10 Modern Seamanship, fifth edition, by Knight, V Nostrand Co., New York, 1912, Plate 76.

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