US1749193A - Anchor davit - Google Patents

Description

March 4, 1930. F. SCHAUMAN ET AL ANCHOR DAVIT Filed 0ct..7, 192'! 2 Sheets-She et 1 March 4, 1930.

F. SCHAUMAN ET AL ANCHOR mwm Filed Oct. 7, 192'? 2 Sheets-Sheet '2 mvum'oss 3 S1 Fran$ Scfiazmmzz for ax cZauman 2 -/ATTO NEY .H...H...........W....:.

Patented Ma. 4, 1930 '"V'UNITEDPSTATES PATENT OFFICE FRANK SGHAUMAN A p'Bnon MAX, SCI-IAUMAN, or NEW roan, N. Y.,- ASSIGNORS 'IO This invention relates to anchor davits, and has for ts general ob ect and purpose to provide a davlt construction'whlch consists AUTOMATIC ANCHOR-CONTROL coaronnrrroiv, on NEW TIQN OF NEW YORK 1 YORK, N. Y., A CORPORA- ANCHOR YDAVIT I v Application filed October 7, 1927. Serial No. 224,565.

of relatively few parts compactlyarranged and-occupying relatively little space on the deck of the vessel and embodying automatically operating means for fixedly securing the anchor in place against possible shifting in the pitchingfor rolling of the vessel in heavy-seas.

'[It is another object of the invention to provide a davit consturction whereby the anchor may be easily and quickly cast or weighedand which'embodies a plurality of slidable and pivotally movable parts and means automatically operating when the anchor'is weighedto position said parts in vertically superimposed relation to each other.

I More specifically, the invention in one embodlment thereof includes a SllCllIl" carria e m ounted on the deck of the vessel and a davit member pivotally ends upon saidcarriage,

oted anchor-lifting and supporting member I of the" vessel at of j the carriage in one direction where- 'supported at one of its together withv a pivadapted to be projected beyond'the bow the end of movement by the weight of the anchor will' act o tofpivotally move the davit to an extended casting of the anchor.

I the invention consists in position relative to the carriage to properly support and guide the anchor chain in the Viith the above and other objects in view,

the improved an chor davit, and inthe form, construction ancl"relative arrangement of the several partsthereof as will be fully described, illustrated in the accompanying drawings, and subsequently incorporated in the subjoined claims.

In thedrawlngs, wherein we have illustrated one simple and practical embodiment of the invention, and in which similar reference characters designate horizontal flanges of the angle bars 7.

hereinafter more corresponding 7 arts throu hout the several views anchor; I

Fig. 4- 1s a detail transverse section taken on the line 4-4 of Fig. 1, and

Fig. 5 is a similar sectional view taken on the line 55 of Fig. l.

Referring in detail to the drawings, '5 designates an elongated guide bed which is adapted to be suitably secured upon the deck of the vessel. This guide bed is of channel shaped form in cross section having the parallel longitudinalside walls 6 to the upper edges of which angle bars 7 are secured with one of their flanges projecting inwardly from the wall 6 as shown in Fig. 4: of the drawings. To the corresponding ends of the side walls 6 of'the guide extending upwardly projecting arms '8 are fixed, each of saidarms terminating at its upper end in a stop lug 9.

Thecarriage 10 supported upon the guide bed 5 is also of channel shaped form in cross section,the side walls or flanges 11 thereof being provided on their outer sides adjacent their rear ends'with the rollers 12, which track or ride upon the under sides of the Additional rollers 13 are also mounted upon the outer sides of the flanges 11 adjacent their forward ends and track upon the base of the guide bed 5. f

The side flanges not the carriage '10 at their forward ends are formed with upward bed longitudinally of the carriage in the casting of the anchor,

- as will be subsequently explained in detail.

are rigidly connected Upon the rear end of the carriage in a suitable bearing bracket 16, a guidesheave 17 for the anchor chain C is journalled. To this rear end of the carriage on the under side thereof one end of a rope or cable 18 is suitably attached, said cable extending around a guide sheave 19 rotatably mounted upon the base of the bed 5 between the same and the carriage 10. The other end of this cable is connected to a suitable drum or Windlass (not shown) upon which the-cable is wound, and which is adapted to be connected' to a suitable operating motor to move the carriage and the parts mounted thereon in an outward direction relative to the guide bed and to the position shown in Fig. 3 of the drawings. a H

Upon the rod or shaft 15 the davit member 20 is mounted at one of its ends for pivotal movement, said davit having an anchor chain guiding sheave 21 journalled in its other end and a transversely positioned rod 22 fixed to said davit member inwardly of said sheave and terminating at its ends in the heads 23.

As shown, the davit member includes longi-v tudinally converging side bars 24 rigidly con nected with each other by the. reinforced channel'shaped plate 25. Said davit member also includes the additional parallel mem'- bers 26; extending beneath the plate 25 and projecting rearwardly from said plate and having their rear ends loosely engaged upon the pin or rod 15.

1 Upon the rod 15 a pinion 28 is secured and is engaged by the gear 29 fixed on a shaft 30 journalled in the spaced members 26 of the davit member. This gear in turn meshes with a gear 311 secured upon the shaft 32 which-is journalled in the spaced bars 26.

To the opposite ends of this shaft 32, the extremities of an elongated U-shaped bar 33 the end portions thereof having inwardly extending flanges 27. This bar in side elevation is of substantially Z-shaped form having an intermediate angular bend 34 in each of the side parts there-- of and'between which the davit member is adapted to project so that the intermediate portion of said U-shaped bar will be posi: tioned above the outer end of the extended davit member as shown in Fig. 2 of the drawings. By the provision of the gearing just described, the U-shaped bar 33 will at all times be maintained in the same horizontal position relative to the davit carriage during the pivotal movements of said davit member as will be readily seen from a comparison of Figs. 2 and 3 of the drawings.

Spaced bars 35 are also pivotally mounted adjacent one of their ends upon the fixed rod 15, said end portions of the bars in spaced relation to said rod being provided with shoulders indicated at 36 which are'adapted the members 24 of the .davit member. Be-

tween the other ends of these bars 35 a guide sheave 38 for the anchor chain, is journalled,

said chain extending from said sheave over the sheave 21 in the end of the davit member and being connected to a rod 40 on the endof a link 39 which is pivotally connected to the end of the anchor shaft 41 as shown in'Fig. 30f the drawings. The other end of this shaft has a suitable connection with the anchor head 42. V The ends of the rod 40 are provided with rectangular projections which when the anchor shaft is in a vertical position, are adapted'to pass thrfough the restricted entrances of the notches "or seats 43 provided'in the ends of the spaced parts 2&of the davit member so that when the anchor is lifted anddisposed in the horizontal position shown in Fig. 3, the rod a0 will be locked in connection with the end of the davit'member. I

Upon the fixed rod or shaft 15 of the. carriage 10, an anchor head lifting and supporting member His pivotally mounted,-said member consisting of a plate having spaced of said rod with respect to the anchor-lifting plate. adapted for engagement by the pins or studs 46 fixed to the outer sides of the partsi2 lof the davit member so that as the davit mem. ber is moved from the position shown in Fig- 2 to to position ofFig. 3, the member These extensions1l5 of the arms are.

l l'will also be pivotally moved on the rod.

, 15 in an upward direction as the anchor shaft and head swing inwardly towards the davit member so that the anchor head is received upon the supporting plate or member 44 and sustained ithereby as seen drawings.

The horizontalfianges of the angle bars 1-10 on the upper edges of the side walls of the guide bed 5Vare provided with oppositely located notches 47 edges of said flanges. VVith these notches the upper open ends of the vertical slots t8 in the opposite side flanges. 11 of the carriage 10' are adapted to register whenthe carriage reaches the limit of its forward movement on Fig. 1 of the drawings These slots as receive the opposite ends of the rod 22 carried by the davit member, the enlarged heads 23 of said rod passing through the notches l7 opening upon the, inner.

the guide bed, as shown in inFig. 3 of the V and below, the plane of the flanges of the angle bars 7; V o

It will be understood that normally when the anchor is not in use, the carriage 10 with the anchor davit and its associated parts together with the anchor are positioned rear 'wardly of the position illustrated'in Fig. 3

with respect tothe guide bed 5 by'the winding' -of the anchor chain upon the Windlass,

' and in such normal position the horizontally extendinganchor head supporting member 44', is located above the forward end of the guide bed so that none of the parts project beyond" the sideof the ship or vessel. It will be evident that since in this normal position the heads 23on the end of therod 22 are located the anchor head '42,the anchor and the davit are securely held against any possibility of shiftinglinovement relative to each other or with relation to the deck" of the vessel when thefvessel is subjected 'to' the buffeting of anchor-chain indlass is disconnected from I the operatingmotorsothat the anchor chain heavy seas.

, M .In'the casting of the anch'onthe rope or ca'ble18 is wound upon the drum or windlass, it being understood that the Wildcat of the may-be, freely paid out as the carriage moves outwardly upon the guide bed 5. This 7 V outward movement of the carriage. is limited byrthe ends of the rod or shaft engaging '30 the lugs 9, at which'time the anchor head 42 and the'supporting member 44 therefor will be positioned beyond the side of the vessel and the rod 22 on-the vdavit memberwillrbe in line with the notches 27 inthe flanges of the angle bars 7'. Under theweight of the anchor head 42, the lmember 44 will swing downwardly and theextensionsor projec tions'45 thereon bearing against the lugs 0r studs 46 on'the davit member will swing-said 4O sition after which the swinging movement of davit member upwardly past the vertical pothe davit member continues bygravity until it reaches the extended horizontal position 1 shown in Fig. 2 ofrthe drawings, such movesition being limited by contact of the inner ends of the parts 24 thereof against the end merit of the davit member to the extended pocfthe carriage 10. ,In this downward swingingmovem'ent ofthe da'vit member to, the ex tended position, the studs or lugs 37 thereon strike upon, the shoulders 36 of the bars and; swing said bars upwardly to the vertical position shownin Fig. 2 of the drawings thereby properly supporting and guiding the anchor chain which moves freely over the sheave 38 in the continued downward movement of the anchor, it beingunderstood that as thedavit member reaches its extended horizontalposition,the locking connection between said member and the anchor shaft is released by the rectangular ends of the pin .40 coming into re ist ation with the restrict- ,ed'entrances of the notches or seats 43. Also,

- it will be obvious that in thisswinging move? ment of the anchorto the extended position,

the gear 29 'mounted thereon will track around the fixed pinion-28, the rotation of said gear being transmitted through the pinion 31 to shaft 32 whereby the member 33 is at all times maintained in the same horizontal position substantially in parallel relation to the carriage 10. It will thus be apparent that by means of our present improvements. the ships anchor can be quickly cast or weighed, and in the latter operation, the seve'ral'parts of the davit mechanism automatically move into compact relation with each other upon the carriage 10 and together with the anchor are individually locked and securely held against movement relative to each other or to the carriage. When the carriage is drawn rearwardly or to the limit of its inward movement, the clavit mechanism occu pies butlittle of the deck space and does not detract from the neat appearance of the vessel. Thus, it will be appreciated that such an anchor casting and weighing mechanism. iscapable'of very advantageous use upon pleasure yachts and other small vessels as well as large steamers.

i From the foregoing description considered in connection with the accompanying drawings, the several novel features of our improved anchor davit and the construction and operation thereof will be clearly understood". It will be seen that the various elements are of substantial and durable construction so'that the mechanism is not liable.

to get out of order or require frequent repair. Therefore, the maintenance cost of such a device will be comparatively small. I

VVehaVc disclosed herein an embodiment of our present improvements which we believe to be entirely satisfactory and practical for the purpose in view, nevertheless it is to be understood that the several essential parts ofthe improved anchor davit might be constructed in various other alternative forms, and it is accordingly to be understood that in the further development of the device we reserve the privilege of resorting to all such legitimate'changes therein as may be fairly embodied within the spirit and scope of the invention as claimed.

\Veclaim: v

1. Anchor davit mechanism including an anchor carriage, a clavit member pivoted at one of its ends and having an anchor chain guide at its other end, a pivotally mounted anchor head receiving and supporting meme ber adapted to be moved under the weight of the anchor in the casting thereof, and said supporting member and the davit member 3. Anchor davit 'echanism including a carriage, a davit member pivotally mounted at one of ts ends upon the carriage and havng an anchor vchain gu de at ts other end,

means locking the davit member'in superim posed relation upon the, carriage during movement of the latter but releasing said member for pivotal movement at the end of the carriage movement in one direction, and

apivotally mounted anchor supporting memher, said supporting member and the davit member having coaoting means whereby upon the release of the da'vit member and the pivotalmovement ofthe supporting member under the eightot the anchor,'said davit member. is moved past a perpendicular position to drop by gravity to its anchor casting position in extended relation to the carriage.

. ,4. Anchor davit mechanism including a carriage, a davit member pivotally mounted at one of its ends upon the carriage and having an anchor chain guide at its other end,

means locking the sdavitmember in superimposed relation upon the carriage durlng movement of the latter but releasing said member for pivotal movement at the end of the carriage movement in one direction, and an anchor head receiving and supporting member .pivotally mounted on the carriage, said supporting member and the dav it memher having coacting means preventing pivotal movement of the supporting member hile the da it member islocked to the carriage and operating upon the release of the davit member in the movement of the supporting member under the Weight of the anchor head to pivotally move the da-vit member past a perpendicular position and permit the same to drop by gravity to its anchor casting position in extended relation to the carriage.

5. Anchor davit mechanism including a carriage, a da-vit member pivotally mounted at one of its ends upon the carriage and having an anchor chain guide at its other end,

means locking the davit member in superimposed relation upon the carriage during movement of the latter but releasing said member for pivotal movement at the end of th carriage movement in on d r tio anchor head receiving and supporting" member pivotally mounted on the carriage and mova le nit the W i ht-t e nemainse renew said i er a d the d i wale membe hav ngrc aeting mea s whereby t e da-vitmember is pivotally moved past aperpendioular position to drop by gravity to an extended anchor casting position with respect to the carriage, means pivotallyconnected with the davit member to engage and hold the anchor head upon said supporting member hen the anchor'is Weighed, and means for maintaining said holding means in a con-v stant position relative to itspivotal axis durinothe pivotal movements the davit mem her.

6, Anchor davit mechanism including a carriage, a davit member pivotally mounted at one of its ends upon the carriage and having an anchor chain'guide at its other end, means locking the davit'member in superimposed relation upon the c'arriage during move ment ofthe latter but releasing said member for pivotal movement at the'end of the carriage movement 1n one direct on, an anchor head receiving and supporting member pivotally mounted onthe carriage and movable under the Weight thereof in -the casting of the anchor, said member and the davit memdicular position to drop by gravity to an extended anchor casting position with respect to the carriage,means pivotally connected her having coacting means whereby-the davit -'member is pivotally moved past a perpen-' with the davit member to engage and hold the anchor head upon said supporting mem-' ber when the anchor is Weighed, means for maintaining said holding means in a constant position relative to its pivotal axis during the pivotal movements of the davit member,

an additional anchor chain support and guide v pivotally mounted on the carriage, and means i for moving the same from a superimposed positionin relation to the carriage to a perpendicular chain supporting position in the pivotal movement of the davit member to its extended position with relationto the carciage. I

[Anchor .davit mechanism including a carriage, a davit memberpivotally mounted atone of its endsupon the carriage and hav-' ing an anchor chain guideatitsother end, an anchor head receiving and supporting member mounted on the pivot of the davit member for movement relativethereto, an additional anchor chain guide and support piv-' otall-y mounted on the pivot of said davit memher, said carriage being moved in one direc tion under the pull of the anchor chain,

means for moving the carriage in'the opposite no a the davitmember is released to move the latter past a perpendicular position and permit the same to drop by gravity to an ex-t to the davit I member.

In testimony that We claim the foregoing as our invention, We have signed our names hereto.

FRANK SCHAUMAN. BROR MAX 'SOHAUMAN. V p

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