US325055A - Bow-facing oar - Google Patents

Bow-facing oar Download PDF

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Publication number
US325055A
US325055A US325055DA US325055A US 325055 A US325055 A US 325055A US 325055D A US325055D A US 325055DA US 325055 A US325055 A US 325055A
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Prior art keywords
oar
lever
bow
rod
boat
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H16/00—Marine propulsion by muscle power
    • B63H16/08—Other apparatus for converting muscle power into propulsive effort
    • B63H16/10—Other apparatus for converting muscle power into propulsive effort for bow-facing rowing
    • B63H16/102—Other apparatus for converting muscle power into propulsive effort for bow-facing rowing by using an inverting mechanism between the handgrip and the blade, e.g. a toothed transmission
    • B63H16/105—Other apparatus for converting muscle power into propulsive effort for bow-facing rowing by using an inverting mechanism between the handgrip and the blade, e.g. a toothed transmission the mechanism having articulated rods

Definitions

  • the object of my invention is to provide a newand improved oar, which is so constructed that the person propelling the boat by means of the ear can face the bow.
  • the invention consists in the combination, with an ear andalever, ofaplate or rod,forn1- ing a curved guide for the fulcrum ofthe lever, and of crossed rods connecting the lever and 5 oar at opposite sides of the fulcrum.
  • Figure l is a plan view of my improved bow-facing oar, part of the boat on which it is held being shown.
  • Fig. 2 is a side view of the mechanism,and longitudinal sectional view of the boat.
  • Fig. 3 is a cross-sectional view.
  • Fig. 4 shows a modification in side view.
  • the oar A is pivoted near its inner end to a plate, B, and has its inner end connected by a rod, 0, with the outer end of a lever, D, provided with a pivot,E, which works in a curved slot, F, in the plate B, near the front end of the same.
  • the oar is connected outside of its pivot by a curved rod, H, with a point on the lever D some distance inward from the plvotthat is, between the handle end and the pivot.
  • the rods l and H cross,as shown in Figs. 1 and 2.
  • the ends B of the plate B are bent down at right angles, and provided with pivots I, which work in sleeves J on the upper ends of pivots K in sockets M on the inside of the boat L.
  • the oar and its o 'ieratiug devices can easily be removed from the boat by lifting the pivots K out of the sockets M, and the oar can easily be swung down into the boat below the gunwale.
  • the plate B can turn on its end pivots in the sleeveJ, thus permitting of lifting the oars out of the water.
  • the lever D has a movable fulcruin,which can be moved in the slot F close to the inner edge of the plate B, thus permitting of swinging the oar inside of the boat.
  • the plate B may be replaced by a rod, 0, having its ends bent down rectangularly to be passed into the sockets M, and the front part of the said rod is curved the same as the slot F.
  • a piece, I On the rear end of the rod a piece, I, is mounted to rock,which has a pivot, I which is passed through the oar; and on the curved end of the rod a piece, R, is mounted to rock and slide, and is provided with a pivot, It, for the lever D.
  • connections or pivots of the rods 0 H on the ear and lever D are equidistant from the fulcrums.
  • the oars can easily be dipped and raised,can be swunginto theboa-t, and the entire device can easily be detached.

Description

(No Model.)
M. M. CLARK.
BOW FACING OAR.
No. 325,055. Patented Aug. 25, 1885.
WITNESSES LNVENTOB BY m ATTORNEYS.
IL PITERS. Phnlomhographnr. Wnhinglcn. 0.0.
UNMED STATES PATENT ()FFICFIO MARCUS M. CLARK, OF VERMONT, ILLINOIS.
BOW-FACING OAR.
SPECIFICATION forming part of Letters Patent No. 325,055, dated August 25, 1885.
Application filed June 9, 1885. -(Non1odel.)
To all whom it may concern.-
3e it known that I, MARcUs M. CLARK, of Vermont, in the county of Fulton and State of Illinois, have invented a new and Improved Bow-Facing Oar, of which the following is a full, clear, and exact description.
The object of my invention is to provide a newand improved oar, which is so constructed that the person propelling the boat by means of the ear can face the bow.
The invention consists in the combination, with an ear andalever, ofaplate or rod,forn1- ing a curved guide for the fulcrum ofthe lever, and of crossed rods connecting the lever and 5 oar at opposite sides of the fulcrum.
Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar letters of reference indicate corresponding parts in all the figures.
Figure l is a plan view of my improved bow-facing oar, part of the boat on which it is held being shown. Fig. 2 is a side view of the mechanism,and longitudinal sectional view of the boat. Fig. 3 is a cross-sectional view. Fig. 4 shows a modification in side view.
The oar A is pivoted near its inner end to a plate, B, and has its inner end connected by a rod, 0, with the outer end of a lever, D, provided with a pivot,E, which works in a curved slot, F, in the plate B, near the front end of the same. The oar is connected outside of its pivot by a curved rod, H, with a point on the lever D some distance inward from the plvotthat is, between the handle end and the pivot. The rods l and H cross,as shown in Figs. 1 and 2.
The ends B of the plate B are bent down at right angles, and provided with pivots I, which work in sleeves J on the upper ends of pivots K in sockets M on the inside of the boat L.
The oar and its o 'ieratiug devices can easily be removed from the boat by lifting the pivots K out of the sockets M, and the oar can easily be swung down into the boat below the gunwale.
The plate B can turn on its end pivots in the sleeveJ, thus permitting of lifting the oars out of the water.
The lever D has a movable fulcruin,which can be moved in the slot F close to the inner edge of the plate B, thus permitting of swinging the oar inside of the boat.
By pulling the inner or handle ends of the levers D toward the stern the outer ends of the oars are moved in the like direction, and by moving the inner or handle ends of the lovers D toward the bow the outer ends of the oars are moved in the same direction.
The plate B may be replaced by a rod, 0, having its ends bent down rectangularly to be passed into the sockets M, and the front part of the said rod is curved the same as the slot F.
On the rear end of the rod a piece, I, is mounted to rock,which has a pivot, I which is passed through the oar; and on the curved end of the rod a piece, R, is mounted to rock and slide, and is provided with a pivot, It, for the lever D.
The connections or pivots of the rods 0 H on the ear and lever D are equidistant from the fulcrums.
In both constructions the oars can easily be dipped and raised,can be swunginto theboa-t, and the entire device can easily be detached.
Having thus described myinvention, I claim as new and desire to secure by Letters Patent 1. The eonibinatiolnwith an oarandahand lever, ofa rod or bar on which they are pivoted at the side of the boat, and of cross-rods connecting the oar and lever at different sides of the fulcrums of said oar and lever, one end of each rod being secured to the oar, and the other end of each rod being secured to the lever, substantially as herein shown and described.
2. The combination, with an oar and a lever, of a bar or plate forming a curved guide for the fulcrum of the lever, and of crossed rods connecting the oar and lever at opposite sides of the tulcrums, substantially as herein shown and described.
3. The combination, with an oar and a le ver,of a plate or rod on which they are mounted, crossed rods connecting the oar and lever at opposite sides of their fulcrun1s,and of sockets on the boat open at their tops, for holding the plate or red detachably to the boat, substantially as herein shown and described.
EDWARD Dnonuan, BURR. WrrouELL.
US325055D Bow-facing oar Expired - Lifetime US325055A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7144284B1 (en) * 2005-09-21 2006-12-05 Richard Horan Rowing oar system
US20190024765A1 (en) * 2017-07-18 2019-01-24 George Pul Cantilever Beam Linkage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7144284B1 (en) * 2005-09-21 2006-12-05 Richard Horan Rowing oar system
WO2007037967A1 (en) * 2005-09-21 2007-04-05 Richard Horan Rowing oar system
US20190024765A1 (en) * 2017-07-18 2019-01-24 George Pul Cantilever Beam Linkage
US10502292B2 (en) * 2017-07-18 2019-12-10 George Pul Cantilever beam linkage

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