Патент USA US2409041код для вставки
Oct‘.8,1946. ' ' A. J. HARRIS 2,409,040 COMBINED SEA ANCHOR AND STABILIZER FOR BOAYTS I Filed March 21, 1945 Patented Oct. 8, 1946 2,409,040 UNITED STATES PATENT OFFICE 2,409,040 COMBINED SEA ANCHOR AND STABILIZER FOR BOATS Asa J. Harris, Balboa, 0‘. Z. > Application March 21, 1945, Serial No. 583,987 3 Claims. (01. 114-126) 1 2 My invention relates to improvements in com bined sea anchors and stabilizers for boa-ts and the like. The primary object of my invention is to pro the hull I, for the vertical stabilizing ?n ‘I, and extends along said keel 3 in upstanding position coplanar with the keel and said stabilizing ?n ‘I, vide simply constructed, inexpensive and ef?cient _ means for stopping and holding a boat headed into the wind, and minimizing pitching and roll ing, in situations where it is undesirable, or im possible, to use the usual anchor, for instance, because of the violence of the waves, the depth 10 of the water, high winds, and similar factors. and is bolted to the keel 3, as at II. The hous ing I0 includes a rear, depending, bottom throat I2 of reduced thickness ?tted into a longitudinal Vertical slot l3 provided in the keel 3, the throat I2 being open at the bottom of said keel.‘ As shown in Figure 2, the housing I0 is of the same shape as the vertical stabilizing ?n ‘I, and ap proximately the same size, so that said stabiliz ing ?n may ?t, substantially, therein, and the hinge 6 is located rearwardly of the front end of the throat I2 so that said stabilizing ?n may be To the accomplishment of the above, and sub ordinate objects presently appearing, a preferred embodiment of my invention has been illustrated in the accompanying drawing, set forth in detail 15 swung upwardly into the housing I0 and thereby swing the drag plate 4 upwardly and rearwardly in the succeeding description, and de?ned in the substantially ?at against the keel 3 and into the claims appended hereto. In said drawing: plane of the horizontal stabilizing ?n 2. A pair of lift bars I4 are provided along the Figure 1 is a view in side elevation of my im proved sea anchor and stabilizer applied to a 20 upper rear corner portion of the vertical sta bilizing ?n B, in the rear of the notch ‘9, upon oppo Figure 2 is a view in vertical longitudinal sec site sides of said portion, and are bolted to said vertical stabilizing ?n ‘I, as at l5, and provided tion, drawn to an enlarged scale, and taken on boat, with upstanding apertured ears I5. The bars I4 are of right angled cross section to provide lat eral stop ledges I'I thereon adapted to seat on a pair of stop cleats l8 suitably ?xed in the hous Referring to the drawing by numerals, accord ing I0 upon opposite sides of the throat I2, and ing to my invention, the hull I of a boat, such whereby downward swinging of the vertical sta as shown, for the purpose of illustration, is pro vided forwardly, as close to the prow as is found 30 bilizing ?n ‘I is limited to limit swinging of the drag plate '4 downwardly into substantially ver feasible, with an elongated, straight, horizontal stabilizing ?n 2 suitably ?xed in its transverse tical position. v A pull chain I9 is secured by a shackle 20 to center to the keel 3 to extend crosswise thereof equidistantly upon opposite sides of said keel. the ears I6 and extended forwardly and upwardly, As best shown in Figure 3, the horizontal ?n 2 35 in the housing I0, around a pulley 2I ?xed in said is spaced by the keel 3 from the bottom struc housing, the chain being trained upwardly vfrom said pulley 2| out of the housing ID by way of a ture of the hull I. guide tube 22 rising from the front end of said A drag plate 4, preferably of semi-circular housing. The pull chain b9 provides manipula form, with a straight leading edge 5 of the same length as said horizontal ?n 2, is hinged at said 40 tive means for swinging the vertical stabilizing ?n ‘I upwardly and may be suitably secured in the edge 5 to the rear edge of said ?n 2, as illus hull I to hold said ?n, together with the drag trated at B, for vertical swinging adjustment on plate 4, in upwardly swung position. said ?n 2 into elevated and lowered positions, re Referring now to the use and operation of the spectively, in which said plate extends crosswise of the keel 3. described invention, when the pull chain I9' is slackened, the drag plate 4 swings downwardly, A Vertical stabilizing ?n ‘I extends from what imder the influence of gravity, into substantially constitutes the rear face of the drag plate 4 and vertical position, as shown in Figure 2, and the is suitably ?xed to said plate 4 coplanar with vertical stabilizing ?n ‘I likewise swings down the keel 3. The vertical stabilizing ?n 1, where it joins the drag plate 4, is of the same width ' wardly out of the housing I0 into trailing posi tion relative to said drag plate 4, the ledges I‘! as said plate and is formed with an arcuate rear engaging the stop cleats I8 to establish the down edge 8 concentric to the axis of the hinge 6, and swung position of said drag plate 4 and vertical with a right angled notch 9 in its upper front stabilizing fin 'I. In this position of the parts, corner, all for a purpose presently seen. the horizontal ?n 2 functions to check side roll An elongated, ?at housing I0 is provided in the line 2—2 of Figure 3, ' Figure 3' is a view in transverse section also drawn to an enlarged scale. 2,409,040 3 ing of the hull I, the vertical stabilizing ?n 1 to check the hull, or boat, against turning broad side to the wind, and the drag plate 4 function ing as a sea anchor to check the hull, or boat I, 4 2. The combination with the hull of a boat having a keel, of a horizontal stabilizing ?n ?xed to the bottom of said keel and extending cross wise of the same, and a sea anchor comprising a drag plate ?xed to said horizontal ?n for swing ing upwardly and rearwardly into horizontal po IS, the vertical stabilizing ?n 1 may be swung sition and downwardly into pendent substan upwardly on the hinge 6 into the housing II], in tially vertical position, and a vertical stabilizing an ineffective position, thus swinging the drag ?n extending from one side of said drag plate at plate 4 upwardly against the keel 3 into coplanar position relative to the horizontal ?n 2. In this 10 a right angle thereto to trail said drag plate when said plate is swung downwardly, the verti upwardly swinging of the vertical stabilizing ?n cal stabilizing ?n extending upwardly through l, the notch 9 ?ts over the front end of the throat said keel for vertical swinging from a down l2 and the bottom of the housing l0, asshown in swung position into an ineffective position and to Figure 2, illustrating in dotted lines the upswung, or ineffective, position of the vertical stabilizing 15 swing the drag plate into horizontal position, fin 1. When the drag plate 4 is swungupwardly j ' means in said hull to swing said vertical stabil izing ?n upwardly, and a housing in said hull ex into the plane of the horizontal ,?n 2, boththe tending along 'said'keel for enclosing said vertical drag plate 4 and said ?n 2 function to' stabilize stabilizing ?n when the same is swung upwardly. the hull I and neutralize rolling and pitching, 3. The combination with the hull of a boat both acting as horizontal stabilizing ?ns. 20 having a keel, of a horizontalstabilizing ?n ?xed .The foregoing will, it is believed, su?ice to im to the bottom of said keel and exending cross part a clear understanding of my invention with against drifting. By pulling on the pull chain out further explanation. ‘ wise of the same, and a sea anchor comprising a drag plate hinged to said horizontal ?n for swing ,Manifestly, the invention, as described, is sus ceptible of modi?cation without departing from 25 ing upwardly and rearwardly into horizontal po sition and downwardly into pendent substantially the inventive concept, and right is herein reserved vertical position, and a vertical stabilizing ?n eX to such modi?cations as fall within the scope of tending from one side of said drag plate at a the appended claims. ' right angle thereto to trail said drag plate when What I claim is: l. The combination‘ with the hull of a boat 30 said plate is swung downwardly, the vertical sta having a keel, of a horizontal stabilizing ?n ?xed to the bottom of said keel and extending cross bilizing ?n extending upwardly through said keel for vertical swinging from a down swung position into an ineffective position and to swing the drag wise of the same, and a sea anchor comprising plate into horizontal position, means in said bull a drag plate hinged to said horizontal ?n for swinging upwardly and rearwardly into horizon 35 to swing said vertical stabilizing ?n upwardly, a housing in said hull extending along said keel tal position and downwardly into pendent sub for enclosing said vertical stabilizing ?n when stantially vertical position, and a vertical stabil the same is swung upwardly, and coacting devices izing ?n extending from one side of said drag in said housing and on the vertical stabilizing plate at a right angle thereto to trail said drag plate when said plate is swung downwardly, the 40 ?n, respectively, for limiting downward swinging of said vertical fin downwardly to establish the vertical stabilizing ?n extending upwardly vertical position of said drag plate. through said keel for vertical swinging from a down swung position into an ineffective position ASA J. HARRIS. and to swing the drag plate into horizontal posi tion, and means in said hull to swing said vertical 45 stabilizing ?n upwardly.