US5354A - Coupling fob cabs - Google Patents

Coupling fob cabs Download PDF

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Publication number
US5354A
US5354A US5354DA US5354A US 5354 A US5354 A US 5354A US 5354D A US5354D A US 5354DA US 5354 A US5354 A US 5354A
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United States
Prior art keywords
tongue
jaw
cabs
link
lever
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61GCOUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G1/00Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means
    • B61G1/40Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means with coupling bars having an enlarged or recessed end which slips into the opposite coupling part and is gripped thereby, e.g. arrow-head type; with coupling parts having a tong-like gripping action

Definitions

  • the tongue In order that the tongue may be lifted by the bolt (6,) it is jointed at (6,) and has sufiicient motion around the axis (9,) to allow its end to be lifted clear of the jaw (b).
  • This link is also self attaching, for when two cars come together the tongue forces open the jaws, and when it has entered them the springs close them upon it thus making a firm connection between the cars.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Description

R. HEMMING.
Car Coupling.
Patented Nov. 6, 1847.
N PETERS, PNOTO-UTHOGRAPMER, WASHINGTON, D. C.
UNITE SATE OFFICE.
RICHARD HEMMING, OF BOSTON, MASSACHUSETTS.
COUPLING FOR CARS.
T all whom it may concern:
Be it known that I, RICHARD HEMMING, of Boston, in the county of Suffolk and State of Massachusetts, have invented a new and Improved Mode of Disconnecting Railroad- Trains; and I do hereby declare that the following is a full and exact description.
Letters Patent of the United States were granted your petitioner on the 11th day of October, 1845, for a safety link which was to be self operating and instantaneous in its effect, in order to obviate the liability to danger from the locomotive or forward car of a train being accident-ally thrown from the track, by the deviation from the straight line produced by such displacement, the link at once disconnected itself, in the manner shown in the specification attached to said Letters Patent.
The object ofthe present invention which is to be applied to the above-named safety link, is to enable the brakeman or conductor of a train, to disconnect one or more cars from the train, or the whole train from the engine, at will, and instantaneously without incurring the risk, or inconvenience attendant upon the present system of coupling.
By reference to the drawings, let Figure 1, represent a side view of the link, with the disconnecting apparatus attached. Fig. 2, represents a plan or top view. Fig. 3, represents a vertical section, passing longitudinally through the link.
(a and 1)) represent what are denominated the jaws of the link, which receive the tongue (1,) being that portion of the link which is attached to the other car of the train. When the tongue (Z) has been received it is held in its place and attaches the two cars together by means of the two shoulders (0 and 20,) attached to the jaws, and the shoulders (m and 11,) attached to the tongue, therefore while the jaw (05,) is firm in its position, the tongue (Z,) can not be freed from the jaws (a and 6,) unless by a motion in the direction of the dotted are (8,) Fig. 2, and while the cars remain upon the track there will not be suflicient deviation from a straight line, even on the sharpest curves, to free the tongue (Z), in order to release this we must cause the jaw (a,) which is movable to a limited extent about the axis (j,) to be raised at its outer end, while at the same moment we raise the tongue (1,) sufficiently far to free the shoulder (4%,) from the shoulder 7,) of the jaw (b). This we do by means of the right angled lever (14,) aflixed to the truck of the car at the fulcrum (2),) about: which it has a limited motion, the handle or longer arm of the lever, comes up beside thehand-rail of the car, at the end of the platform, within reach of the conductor or brakeman, by throwing it forward the-shorter end (10,) presses upon the end (9,) of the jaw ((1,)
and by depressing it elevates the outer end of the jaw, the motion being around the axis (7') which has its supports in the pedestals (2", z',) these pedestals are firmly attached to the block (71,) which is connected by means of 'a strap of iron, to the draw spring usually employed to pre ent a sudden jerk on starting the car.
When the end (25,) of the jaw (a,) is de pressed, it thrusts the bolt (d,) directly downward, this bolt passes through the hole (00,) in the link, which forms its guide, the lower end is attached to the end of the lever (0,) moving about the axis (is), at the other end of the lever is attached the bolt (6,) passing through the hole (f,) in the jaw (72). The bolt ((Z,) being depressed elevates the bolt (6,) just far enough to lift the shoulder (12,) of the tongue (1,) free from the shoulder (7)), the tongue (Z,) is then at liberty, and the jaws and levers are in the position represented in Fig. 3. The springs (f and g) are compressed; upon releasing the lever (10,) the springs immediately recover their elasticity and force back the jaw (a,) and the lever (6,) and bolts (d and 6,) into the position, shown in Fig. 1.
In order that the tongue may be lifted by the bolt (6,) it is jointed at (6,) and has sufiicient motion around the axis (9,) to allow its end to be lifted clear of the jaw (b). This link is also self attaching, for when two cars come together the tongue forces open the jaws, and when it has entered them the springs close them upon it thus making a firm connection between the cars.
l/Vhat I claim as my invention, and desire to secure by Letters Patent, is
An apparatus for disconnecting railroad cars, by the use of the movable jaw (a), the lever (6,) and the bolts ((1 and 6,) op- .erating in connection with the lever '14.)
and the springs (f and 9,) in the manner above described.
RICHARD HEMMING. Witnesses:
FRANK DARRACOTT, C. A. S. RICHARDSON.
US5354D Coupling fob cabs Expired - Lifetime US5354A (en)

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US5354A true US5354A (en) 1847-11-06

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040091850A1 (en) * 2002-11-08 2004-05-13 Travis Boone Single cell analysis of membrane molecules
WO2004069146A2 (en) 2003-02-07 2004-08-19 Yissum Research Development Company Of The Hebrew University Of Jerusalem L-dopa amide derivatives and uses thereof
US20060281108A1 (en) * 2005-05-03 2006-12-14 Althea Technologies, Inc. Compositions and methods for the analysis of degraded nucleic acids

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040091850A1 (en) * 2002-11-08 2004-05-13 Travis Boone Single cell analysis of membrane molecules
WO2004069146A2 (en) 2003-02-07 2004-08-19 Yissum Research Development Company Of The Hebrew University Of Jerusalem L-dopa amide derivatives and uses thereof
US20060281108A1 (en) * 2005-05-03 2006-12-14 Althea Technologies, Inc. Compositions and methods for the analysis of degraded nucleic acids

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