US691080A

US691080A - Bow-facing oar.

Info

Publication number: US691080A
Application number: US5861801A
Authority: US
Inventors: Orlando B Shedd
Original assignee: Individual
Current assignee: Individual
Priority date: 1901-05-03
Filing date: 1901-05-03
Publication date: 1902-01-14
Anticipated expiration: 1919-01-14

Description

0. B. SHEDD.

' Bow FACING OAR.

(Application filed May 8, 1901.)

Patented Ian. I4, I902.

(No Model.)

'UNITED arnnr rrrcn.

' v ORLANDO B. SHEDD, OF ST. JOHNSVILLE, NEW YORK.

BOW-FAG] NG OAR.

SPECIFICATION forming part of Letters Patent No. 691,080, dated January 14, 1902. Application filed May 3.1901. fierial No. 58,618. (No modelf To all whom it may concern/.-

Be it. known that I, ORLANDO B. Snnnn, a citizen of the United States, residing at St. Johnsville, in the county of Montgomery and State of New York, have invented new and useful Improvements in Oars, of which the following is a specification.

This invention relates to oars of the bowfacingtype, it having two connected sections, one a handle and the other a blade, which latter is adapted to be dipped into the water to propel a boat forward while the operator manipulating the handle portion faces the bow of such boat, and the improved oar is thoroughly simple and light yet perfectly strong.

The invention includes as one of its features an oar in two sections having rounded ends and U-shaped plates fastened to said ends, the channels of the plates being adapted to receive chains-say of the well known sprocket typeconnecied at their ends to the respective sections of the oar, and said sections are adapted to receive pivots extending from a connecting member, hereinafter described, whereby through said chains when the handle portion of the oar is actuated the blade thereof will be oppositely oscillated. The channelplates serve to maintain the sprocket-chains in their operative positions and against side play, so that there will result no lost motion in the operation of the oar. The said sections receive sleeves through which pivot-pins are adapted to extend, said pins being rigid upon a connecting member and being connected by a tie-bar, this construction being a decidedly stable and efficient one.

I desire at this point to state that I employ the term chain asageneric one, for equivalent means maybe employed for the same purpose, though a chain is preferable.

Theinvention is clearlyillustrated in the accompanying drawings, which, with the characters of reference marked thereon, form a part of this specification, and in which- Figure 1 is a View in perspective of the oar mounted in place in the position it occupies in rowing a boat. Fig.2 is a detail in elevation of one of the sections of the oar. Fig. 3 is a sectional side elevation of a connecting device for the sections of the oar. Fig. 4 is a similar view of an oar-support. Fig. 5 is an elevation of a channel-plate.

Like characters refer to like parts in all the figures ofthe drawings.

The car is denoted in a general way by A, and it is divided into two operatively-connected parts, as 2 and 3, the former constituting the blade-section and the other the handle-section, and being constructed, preferably, though not necessarily, of Wood. The adjacent ends of the sections are rounded, and they areadapted to receive channeled or grooved plates, as C, of metal, substantially U shape, fastened to the sections by screwsor similar means. Each section carries two parallel plates, and they are adapted to receive bands, as 4, as the sections oscillate. Said bands consist, preferably, of sprocketchains, which are connected at their ends to said sections and which serve to transfer the power of the handle-section 3 to the bladesection 2 for the purpose of operating the latter, and these plates hold the chains positively in position and prevent any sagging thereof. The chains are fixedly connected at one end to one section of the oar-say the blade part thereofwhile the opposite ends thereof are adjustably joined to the handlesection for the purpose of tensioning said chains. Each chain of course is guided by a channeled plate on one section and the adjacent plate on the other section, and the plates on the handle-section receive in their channels projections, as 5, perforated to receive the threaded shanks 6, having hooks to enter the links at What might be termed the inner ends of the chains. Said threaded shanks receive nuts, as 7, engaging the fixed projections. By turning the nuts the chains may be either tightened or loosened. The sections are united bya connecting member, (designated in a general way by 13,) including a longitudinal body, as 8, adapted to fit against and overlap the under faces of the sections 2 and 3. This body has at or near its ends the rigid pivot-pins 9, extending perpendicularly therefrom and which may be cheaply cast in one piece with the longitudinal body 8. These pivot-pins are adapted to project through and beyond fixed bearingsleeves, as 10, driven through the sections of the oar, it being evident from this that the said sections are oppositely vibratory. The

.pins are threaded at their upper ends to receive the holding-nuts 12, which are adapted to engage the tie-rod 13, uniting the said pins and strengthening them to better resist the lateral stress to which they are subjected.

manner to the gunwale of. a boat.

The body 8 has on its under sidea depending lug 14, perforated to receive the pivotv pinor bolt 15, connected to the upper ends of the parallel lugs 16, rising from the baseplate 17, which is fastened in some suitable The baseplate, with its lugs and pivot, constitutes a simple oar-support and permits thedipping of the'oar-blade into and its removal from the water while propelling said boat.

The invention is not limited to the precise construction previously described, for variations Within the scope of the appended claims may be made.

Having described the invention,

1. An oar in two sections havingrounded ends and substantially U-jshaped, channelplates connected to said ends and chains lying in the channels of the plates and connected respectively with said sections.

2. An oar in two sections having rounded sections to receive said shanks, and nuts 011 the latter.

4. An oar in two sections, sleeves extending through the sections, a member having bolts extending through the sleeves, chains connecting said sections, a tiebar uniting the bolts,nuts-on said bolts, and channeled plates, the channels of which receive said chains.

In testimony whereof I have hereunto set my hand in presence of two subscribing wit-' nesses. v

' ORLANDO SHEDD.

Witnesses:

EDWARD R. I-IALL, J. A, THOMSON.