US282643A - Thieds to o - Google Patents

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US282643A
US282643A US282643DA US282643A US 282643 A US282643 A US 282643A US 282643D A US282643D A US 282643DA US 282643 A US282643 A US 282643A
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Prior art keywords
rudder
blade
cleat
boat
broad flange
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/06—Steering by rudders
    • B63H25/38—Rudders

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  • My invention consists in the application to and combination with a boat-rudder of a broad flange or cleat arrangement and projecting horizontally from each side thereof at or near its bottom, so. that in a change of the rudder to either direction the water will be concentrated or gathered upon and made to operate against the vertical blade of the rudder with a greater degree of force than it would if such flange or cleat were not used 5 and in this respect it is particularly advantageous and useful in every class of boats that require turn-s ing within narrow limits, and especially West ern steamboats navigating contracted rivers, bayous, and similar places diminished with respect to breadth.
  • Figure 1 represents a side elevation of an ordinary balanced rudder that, in accordance with my invention, has a broad flange or cleat projecting horizontally from each side thereof and along its entire bottom.
  • Fig. 2 represents a front or end view of the same;
  • Fig. 3 a side elevation of a similar rudder, wherein the side flanges are formed of bars of angleiron bolted thereto.
  • Fig. 4 is a front or end view of the same.
  • My invention is applicable toany sort of be either arranged wholly on one side of the post or partially on both sides, after the manner of balanced rudders generally; but in order to accomplish the object of myinvention, I provide the rudder-blade a with a broad flange, b, that projects horizontally from each side thereof, preferably along its entire bottom,- and these flanges may be constructed in one piece and spiked or otherwise affixed to the rudder by any manner of means that will answer the purpose; or the flanges may consist of two bars, d, of angle-iron, secured to the bottom part of the rudder-blade a by a series of transverse-bolts, after the manner shown in Fig.
  • a boat-rudder provided with a broad flange or cleat projecting horizontally from each side thereof the entire bottom length .of the rudder-blade.
  • a boat-rudder provided with a broad flange or cleat projecting horizontally from each side and along the bottom of the rudderblade.
  • a boat-rudder provided with a broad flange projecting sidewise from and secured directly to and along the bottom of the rudder-blade.

Description

( oooooo L) I KEEPER RUDDER FOR VESSELS. No. 282,643; Patented Aug. '7, 1883.
Min mum M \m-Xim 9v gs ws. \\xw m WW.
N. Firms. mumm -1 m, Walhi mmmm c UNITED STATES rrrcn.
PATENT;
ISRAEL KEEFER, OF-IIITSBURG, PENNSYLVANIA, ASSIGNOR OF TW THIRDS TO 0. D. LEVIS, OF SAME PLACE.
RU'DDER FOR vEssELs.
SPECIFICATION forming part of Letters Patent No. 282,643, dated August 7, 1883.
Application filed J mm 20, 1883. (No model.)
To all whom it may concern:
Be it known that I, ISRAEL KEEPER, a citizen of the United States, residing at Pittsburg, in the county of Allegheny and State of Pennsylvania, have made an improvement in that class of rudders usually attached to the stem of water-craft as a means of guiding or governing the same.
My invention consists in the application to and combination with a boat-rudder of a broad flange or cleat arrangement and projecting horizontally from each side thereof at or near its bottom, so. that in a change of the rudder to either direction the water will be concentrated or gathered upon and made to operate against the vertical blade of the rudder with a greater degree of force than it would if such flange or cleat were not used 5 and in this respect it is particularly advantageous and useful in every class of boats that require turn-s ing within narrow limits, and especially West ern steamboats navigating contracted rivers, bayous, and similar places diminished with respect to breadth.
To enable others to understand my invention, I will proceed to describe it by reference to the accompanying drawings, wherein Figure 1 represents a side elevation of an ordinary balanced rudder that, in accordance with my invention, has a broad flange or cleat projecting horizontally from each side thereof and along its entire bottom. Fig. 2 represents a front or end view of the same; Fig. 3, a side elevation of a similar rudder, wherein the side flanges are formed of bars of angleiron bolted thereto. Fig. 4 is a front or end view of the same.
My invention is applicable toany sort of be either arranged wholly on one side of the post or partially on both sides, after the manner of balanced rudders generally; but in order to accomplish the object of myinvention, I provide the rudder-blade a with a broad flange, b, that projects horizontally from each side thereof, preferably along its entire bottom,- and these flanges may be constructed in one piece and spiked or otherwise affixed to the rudder by any manner of means that will answer the purpose; or the flanges may consist of two bars, d, of angle-iron, secured to the bottom part of the rudder-blade a by a series of transverse-bolts, after the manner shown in Fig. 3, and various modifications may be made therein without departing from the principle of my invention. I Having described my invention, I claim 1. A boat-rudder provided with a broad flange or cleat projecting horizontally from each side thereof the entire bottom length .of the rudder-blade.
2. A boat-rudder provided with a broad flange or cleat projecting horizontally from each side and along the bottom of the rudderblade. v
3. A boat-rudder provided with a broad flange projecting sidewise from and secured directly to and along the bottom of the rudder-blade.
ISRAEL KEEFER.
mark In presence of O. D. Lnvrs, M. KURTZEMAN.
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