US1909359A - Oar-operating mechanism - Google Patents

Description

ay 16, 1933., F. R. JAEGER OAR OPERATING MECHANISM Filed April 27, 1932 2 Sheets-Sheet l 2% Km m May 16, F. R. JAEGER OAR DPERATING MECHANISM Filed April 27. 1952 2 Sheets-Sheet 2 Patented May 16, 1933 PATENT OFFICE FRIEDEMAN R. JAEGER, OF OAK PARK, ILLINOIS OAR-OPERATIN G MECHANISM 1 Application filedApril 27,

SMy present invention pertains to means for operating the oars of row boats, and it aims to provide a simple and easily workable mechanism for actuating the oars while 5 the operator faces in the direction in which the boat travels, the improved and novel means including features which permit such person to feather the oars with facility.

So-called bow-facing. oars have hereto- 9 fore been suggested, but so faras I am at present advised, no means have been supplied in such appliances for allowing the oars to be feathered or turned or rocked about their own axes during the rowing operation.

To permit those trained in this art to understand the invention fully, both from structural and functional points of view, in the accompanying drawings, forming a part of this specification, and to which reference should be had in connection with the following detailed description, a present, preferred embodiment of the invention has been illustrated, and, for simplicity, like reference numerals have been employed to designate the same parts throughout the several views. In these drawings Figure 1 is a plan view of the novel and improved oar-actuating means showing the same attached to the gunwale of a boat;

Figure 2 is a vertical cross-section on line 22 of Figure 1 on an enlarged scale;

Figure'3 is a vertical section on the same enlarged scale, the view being taken on line 33 of Figure 1;

g '3 Figure 4 is a horizontal section on line 4-4 of Figure 3 on a somewhat reduced scale; and

Figure 5 is a plan view of the mechanism showing the handle and oar in folded position over the boat gunwale.

Referring to these drawings, it will be noted and perceived that the new apparatus includes foreac-h oar, of which only one is shown in the drawings, a base-plate adapted by means of screws 11, 11, to be attached 4 to the top of the gunwale 9 of the row-boat;

Upstanding from such member 10 is a pair of aligned projections or standards 12 and 13, the one characterized 12 having a conical bearing 14 in its inner surface, the corre- 50 lated member 13 having a screw-threaded 1932. Serial No. 607,704. 7

hole 15 therethrough in coaxial arrangement or disposition with the bearing 14.

Such threaded aperture accommodates an adjustable bearing-screw 16 having a suitable head 17 at its outer end by means of which it may be easily turned for effecting the desired adjustment and having aconical bearing 18 in its other end.

Such pair of aligned bearings '14 and 18 rockingly receive the outstanding, conical journals 19 and 20 of a saddlecasting 21 capable of rocking transversely of the boat in such bearings to effect the elevation and gear-teeth 27 on its periphery, is mounted to rock or turn on such shank or stationary stud 23, and it has a pair of upright bearingmembers 28 and 29 having the bearings 30 .and 31, respectively.

Bearlng 30 cooperates with a journal 32 at the end of a handle section 36, and a skeleton casting 33 has an end journal portion 34 which is mounted to rotate in the companion bearing 31.

A shoulder of the part 33 is located at one.

side of the bearing-member 28, while a nut 35 on a threaded, protruding end of the journal 32 bears against the opposite side of the member 28, thus assuring a proper maintenance of the assembled relation of the elements.

The interior of the taperedmember 33 is formed as a converging socket which receives the correspondingly-shaped end section 36 0f the operating handle 37 which has secured to it by one or more screws 38 the hub 39 of a gear-sector 40, the teeth ofwhich are in mesh with the teeth 42 on the top of an oscillatory member41 which also has other gear teeth 43 on its edge.

Suchdouble-gear element 41 ton frame 44 apertured at its center to turn about a hub on the part 24 coaXia'lly with its shank 23, the parts being held in assembled relation by a screw 45.

has a skelev i WVhen the handle is swung backwardly and forwardly, the gear segment 27 will be correspondingly oscillated about its axis, and when the handle is turned about its own axis, the gear member 41 will be rocked.

All of these members 22 to 45, inclusive, except the handle- elements 36 and 37, are duplicated at an adjacent portion of the casting 21, and such of them as show in the drawings have been supplied with reference nu-, merals 122 to 145, inclusive.

In this portion of the appliance, the shank or body 136 of the oar 137 is fitted in the socket member 133.

As is clearly illustrated, the two gears 27 and 127 are in mesh, as are also the pair of gears 43 and 143.

From what precedes, it will be clear that as the handle 37 is swung forwardly and rearwardly by the operator, the iuterfitting gears 27 and 127 will cause the oar-blade to work correspondingly, which permits the oarsman to face the bow of the boat when rowing it forwardly.

7 By elevating or depressing the handle 37, due to the rocking of substantially the whole structure on the bearings 19 and 20, the reverse action will be performed by the oarblade 137.

When the oarsman wishes to feather the oars, he turns the handle 37 about its own axis, which may take place while the handle is being moved substantially horizontally,

and the oar will be similarly rocked about its axis, due to the turning action of the several gear sections 40, 42, 43, 143, 142, 140.

Thus it will be seen that the oarsman can handle the oars and featherthem with ease and facility, and that the apparatus can be operated effectively to produce the desired results.

The parts 44 and 144 may be used severally or conj ointly as limiting stops in cooperation with the corresponding standards 29 and 129 against which they are adapted to strike at either or both of their ends.

. Depending upon the angular position of the oar blade 137 in its socket in which relation it may be held by the locking o'r securing screw 138, this stop means may be employed to limit the feathering turning of the oar in both directions, or the blade may be stopped in its vertical position and thus prevent undue rocking of the blade and its improper or inefficient position in the water.

These appliances are frequently used by novices or inexperienced persons unaccustomed to rowing, and, obviously, such stop means facilitates the proper operation of the ears.

The invention has been stated in the following claim, but it is to be borne in mind that the particular embodiment thereof herein presented may be'mo'dified within comparatively wide limits without departure from the heart and substance of such invention and without the loss or sacrifice of any of its material benefits.

I claim:

In an oar-operating mechanism for row boats, the combination of a base adapted to be mounted on the boat, a support rockingly mounted on said base, a pair of intermeshing gears revolubly mounted on said support, a socket on each of said gears, an oar-blade mounted'to turn on its own axis in one of said sockets, an oar-handle mounted to turn on its own axis in the other of said sockets, a skeleton combined segmental spur-gear and segmental bevel-gear mounted to rotate on said support, a bevel-gear rotatable with said oai b lade and in mesh with said segmental bevel-gear, a second skeleton combined segmental spur-gear and segmental bevel-gear mounted to rotate on said support with the two spur-gears in mesh, and a second bevelgear rotatable with said oar-handle and in mesh with said second bevel-gear, the skeleton frame of at least one of said combined gears cooperating with the corresponding socket to act as a stop to'limit the turning of said handle and oar-blade on their axes, said intermeshing gears permitting said handle to stroke said oar-blade, said cooperating spur-gears and bevel-gears permitting the oar-blade to be feathered by turning the handle.

In witness whereof I have hereunto set my hand.

FRIEDEMAN R. JAEGER.

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