US136625A - Improvement in car-chocks for railroad rails - Google Patents

Improvement in car-chocks for railroad rails Download PDF

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Publication number
US136625A
US136625A US136625DA US136625A US 136625 A US136625 A US 136625A US 136625D A US136625D A US 136625DA US 136625 A US136625 A US 136625A
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United States
Prior art keywords
chocks
improvement
car
pin
railroad rails
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
    • B61K7/16—Positive railway stops
    • B61K7/20—Positive wheel stops

Definitions

  • Figure 1 is a perspective view of my chock in the open or expanded position, ready for attachment to the rail.
  • Fig. 2 is a perspective view of the same when closed and attached in proper position to one of the rails of the tracks.
  • the chock is composed principally-pf two jaws, A A, hinged together at the top at a, and so fo'rmedat the bottom that when closed a space will be left between the two jaws corresponding with the form of the rail to which the chock is to be applied.
  • the jaw A has a Web, a, which forms a suitable projection for the hinge a and also acts as a guide for the other jaw to move upon. This web also serves as a projection through which the locking-pin is inserted.
  • the jaw A has two arms, a a, between which the web a is located.
  • the hinge-pin 0 passes through the upper end of these arms, as shown. Holes B, varying in radial distance from the pin a, and also varying in distance from the face of the arms a a when the chock is closed, are provided in the projecting web a, through which the locking-pin C may be inserted. By changing this pin from one to the other of the holes B the jaws A A may be made to embrace rails of varying sizes, or to embrace the same rail more or less snugly.
  • the pin 0 has ahead, 0, formed upon it to prevent its being inserted too far, and is provided with an aperture, 0, for the attachment of a common look, so that when the pin 0 is in place and the lock attached and lockedthe chock cannot be removed from the rail except by the person having charge of the key.
  • the pin 0 may be connected to one of the jaws A A by chain D to prevent its being mislaid or lost.
  • the chock is designed to be used upon side tracks of railroads, principally to prevent cars upon such tracks from being blown or maliciously run out upon the main track, but it is obvious that it may be applied to rails for other uses.

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

Description

"UNITED STATES PATENT OEEIoE.
WILLIAM 0. srEPHENsoN, OF MARION COUNTY, INDIANA, ASSIGNOR 'ro HIMSELF, HENRY o. LORD, AND .DILLABD RIOKETTS.
IMPROVEMENT IN CAR-CHOCKS FOR RAlLROAD RAILS.
Specification forming part of Letters Patent No. 136,625, dated March 11, 1873.
To all whom it may concern:
Be it known that I, WILLIAM O. STEPHEN- SON, of Marion county, State of Indiana, have inventeda certain new and useful Improvement in Oar-Chocks for Railroad Rails, of
p which the following is a specification:
N atnre and Objects of Invention.
Description of the Accompanying Drawing. Figure 1 is a perspective view of my chock in the open or expanded position, ready for attachment to the rail. Fig. 2 is a perspective view of the same when closed and attached in proper position to one of the rails of the tracks.
General Description.
The chock is composed principally-pf two jaws, A A, hinged together at the top at a, and so fo'rmedat the bottom that when closed a space will be left between the two jaws corresponding with the form of the rail to which the chock is to be applied. The jaw A has a Web, a, which forms a suitable projection for the hinge a and also acts as a guide for the other jaw to move upon. This web also serves as a projection through which the locking-pin is inserted. The jaw A has two arms, a a, between which the web a is located.
The hinge-pin 0 passes through the upper end of these arms, as shown. Holes B, varying in radial distance from the pin a, and also varying in distance from the face of the arms a a when the chock is closed, are provided in the projecting web a, through which the locking-pin C may be inserted. By changing this pin from one to the other of the holes B the jaws A A may be made to embrace rails of varying sizes, or to embrace the same rail more or less snugly. The pin 0 has ahead, 0, formed upon it to prevent its being inserted too far, and is provided with an aperture, 0, for the attachment of a common look, so that when the pin 0 is in place and the lock attached and lockedthe chock cannot be removed from the rail except by the person having charge of the key.
The pin 0 may be connected to one of the jaws A A by chain D to prevent its being mislaid or lost.
The chock is designed to be used upon side tracks of railroads, principally to prevent cars upon such tracks from being blown or maliciously run out upon the main track, but it is obvious that it may be applied to rails for other uses.
Claim.
WILLIAM O. STEPHENSON.
Witnesses R. O. HAWKINS, CHAs W. SMITH.
US136625D Improvement in car-chocks for railroad rails Expired - Lifetime US136625A (en)

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US136625A true US136625A (en) 1873-03-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420190A (en) * 1967-02-17 1969-01-07 Buford P Rice Railcar wheel stop
US20180340816A1 (en) * 2013-03-04 2018-11-29 International Road Dynamics, Inc. System and method for measuring moving vehicle information using electrical time domain reflectometry

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420190A (en) * 1967-02-17 1969-01-07 Buford P Rice Railcar wheel stop
US20180340816A1 (en) * 2013-03-04 2018-11-29 International Road Dynamics, Inc. System and method for measuring moving vehicle information using electrical time domain reflectometry
US10876884B2 (en) * 2013-03-04 2020-12-29 International Road Dynamics Inc. System and method for measuring moving vehicle information using electrical time domain reflectometry

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