US7126A - Parallelogram steering apparatus - Google Patents
Parallelogram steering apparatus Download PDFInfo
- Publication number
- US7126A US7126A US7126DA US7126A US 7126 A US7126 A US 7126A US 7126D A US7126D A US 7126DA US 7126 A US7126 A US 7126A
- Authority
- US
- United States
- Prior art keywords
- screw
- arms
- steering apparatus
- rudder
- parallelogram
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 210000003165 Abomasum Anatomy 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 4
- 241001125877 Gobio gobio Species 0.000 description 2
- 210000000474 Heel Anatomy 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
Images
Classifications
-
- 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
- B63H25/08—Steering gear
- B63H25/14—Steering gear power assisted; power driven, i.e. using steering engine
- B63H25/34—Transmitting of movement of engine to rudder, e.g. using quadrants, brakes
Definitions
- Figure 1 is a plan or top view of the same.
- Fig. 2 is a longitudinal vertical section taken in the plane of the line.
- a B, Fig. 1; and Fig. 3 is a transverse vertical section of the apparat-us taken in the plane of the line, C D, Fig. 1.
- connection of said screw wit-h the rudder head or post has invariably been such, as, when any great strain is on the apparatus, to tend to bend the screw shaft, and thereby obstruct, or destroy its agency, or', in other words, the strain does not act, or is not resisted, or overcome by a force acting constantly in the line of the aXis of the screw but in some positions of the parts in a direction more or less diagonal to said line.
- a a a a represents the deck of t-he vessel, Z? Z), the rudder post, and c c, the taiferel, Z Z is the screw shaft wit-h the screw cut upon it, as usual, having the hand wheel, 'e e, on one end, and passing 7,126, dated February 26, 1850.
- Z Z m m are the two long arms of the series, which are connected to the rudder heal by the pins, 0 0,'which pass through proper holes in the front ends of said arms, and the project-ions, p p, cast on the exterior of the metallic rin, g g, fitted closely on the top of the rudder head.
- a thin cross bar, 1 1" connects the front ends of these arms, Z Z m m, together, by having holes in its ends, through which t-he pins, 0 0, also pass, said bar sliding over the top of the screw nut, f f, when the arms move in opposite directions.
Description
Y UNITED STATES PATENT OFFICE.
JESSE REED, OF MARSHFIELD, MASSACHUSETTS.
PARALLELOGRAM STEERING APPARATUS.
Specification of Letters Patent No.
To aZZ whom t may concern.'
Be it known that I, JESSE REED, of Mansfield, in the county of Plymouth and State of Massachusetts, have invented certain new and useful Improvements in Steering- Vheels; and that the following description, taken in connection with the accompanying drawings, hereinafter referred to, forms a full and exact specification of the same, wherein I have set forth the nature and principles of my said invention, by which it may be distinguished from others of a similar class, together with such parts as I claim and desire to have secured to me by Letters Patent.
The figures of the accompanying plate of drawings represent my improvements.
Figure 1 is a plan or top view of the same. Fig. 2 is a longitudinal vertical section taken in the plane of the line.
A B, Fig. 1; and Fig. 3 is a transverse vertical section of the apparat-us taken in the plane of the line, C D, Fig. 1.
In all the various kinds of steering apparatus in which an endless screw is used to operate the parts, the connection of said screw wit-h the rudder head or post, has invariably been such, as, when any great strain is on the apparatus, to tend to bend the screw shaft, and thereby obstruct, or destroy its agency, or', in other words, the strain does not act, or is not resisted, or overcome by a force acting constantly in the line of the aXis of the screw but in some positions of the parts in a direction more or less diagonal to said line.
By my improvement, which consists in connecting the screw shaft with the rudder post by an arrangement of arms in the form of a parallelogram, and properly jointed to each other, the strain in turning the rudder, is always in the line of the axis of the shaft, or parallel thereto; and the lateral strain of a heavy sea &c, is brought near the gudgeon of the shaft, which renders it less liable to breakage &c.
In the drawings, a a a a represents the deck of t-he vessel, Z? Z), the rudder post, and c c, the taiferel, Z Z is the screw shaft wit-h the screw cut upon it, as usual, having the hand wheel, 'e e, on one end, and passing 7,126, dated February 26, 1850.
through, and having one bearing in t-he elongated screw nut, f f, in which it works in a manner which will be well understood by inspection of the drawings, Figs. l, 2 and 3. The rear end of this shaft has a bearing in the loose boX, g, which is arranged to move freely up and down in the guides, L- h, to allow a little play to the apparatus in case the heel of the rudder strikes the ground, and is raised in its bearings. The end of the shaft bears against an adjustable brace, z', Figs. l and 2, which can be moved forward and back, as occasion may require, by
the set screws, 7c 7c, which Work in the guides, Z7, h, as shown in the drawings.
The arrangement of the connecting arms form the nut of the screw to the rudder head, is as follows: Z Z m m are the two long arms of the series, which are connected to the rudder heal by the pins, 0 0,'which pass through proper holes in the front ends of said arms, and the project-ions, p p, cast on the exterior of the metallic rin, g g, fitted closely on the top of the rudder head. A thin cross bar, 1 1", connects the front ends of these arms, Z Z m m, together, by having holes in its ends, through which t-he pins, 0 0, also pass, said bar sliding over the top of the screw nut, f f, when the arms move in opposite directions. The rear ends of these arms are connected together, near the rear bearing of the screw shaft, by the upper and under cross bars, s t, which have pins, u o, passing through their ends and the ends of the arms, Z Z m m, on which they turn freely. These cross bars also turn, or swivel at their centers on the top and bottom of the short shaft, e', through a proper hole in which the screw shaft passes, as shown in Fig. 2. In order to allow a perfectly free play to the several arms and cross-bars above described, it is necessary to connect the screw nut, (which, by its movements, operates them,) to the right angular projection, w, from the arm, Z Z, by means of a tenon, a, which fits in a proper mortise in said projection, and turns on the pin, y, passed through the Whole, as shown by dotted lines in Fig. 3. The changeof position which the parallelogram of arms will assume, when the screw, which revolves, but
does not advance, t-urns the rudder, is repl of parallel arms and cross-bars, arranged, 10
resented by the red lines in Fig. 1. and combined together in the form of a vHaving thus described my improvements, parallelogram, and jointed together, so as I shall state my claims as follows. to turn freely, substantially as hereinabove 5 What I claim as my invention, and desire described.
to have secured to me by Letters Patent is JESSE REED.
A steering apparatus in Which the oper- Witnesses: ating screw and nut are connected to, and GRIDLEY P. F. BRYANT,
turn the rudder post by means of a series EZRA LINCOLN, Jr.
Publications (1)
Publication Number | Publication Date |
---|---|
US7126A true US7126A (en) | 1850-02-26 |
Family
ID=2067432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US7126D Expired - Lifetime US7126A (en) | Parallelogram steering apparatus |
Country Status (1)
Country | Link |
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US (1) | US7126A (en) |
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0
- US US7126D patent/US7126A/en not_active Expired - Lifetime
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