Railways: surface track – Electrical connections – Combined rail joint or support
Patent
1983-08-05
1985-08-13
Reese, Randolph A.
Railways: surface track
Electrical connections
Combined rail joint or support
224 4203R, 2421077, E01B 2300
Patent
active
045345082
ABSTRACT:
An anti-skid device for use with a vehicle ground-engaging wheel, and which includes a traction pad for wedging under a vehicle wheel to allow traction thereon upon rotation of a vehicle wheel. A retractor apparatus is adapted to be mounted on the bumper of the vehicle, and it includes a housing in which is rotatably mounted a cable and return spring reel. A cable is coiled around the reel, and it extends through an opening in the housing and is adapted to be attached to a handle on the pad. After the vehicle has moved over the pad and forward a distance equal to the length of the cable, a jerk is imposed on the cable by the forwardly moving vehicle which releases a spring loaded retainer pin that holds the reel in a wound-up position during movement of the wheel over the pad, and permits the reel to move in a reverse direction to retract the cable and move the pad to a position adjacent the retractor apparatus.
REFERENCES:
patent: 1257647 (1918-02-01), Spahn
patent: 2543176 (1951-02-01), Komassa
patent: 2611834 (1952-09-01), Simons
patent: 3640459 (1972-02-01), Preisler
patent: 3965956 (1976-06-01), Whatley, Jr.
patent: 4046297 (1977-09-01), Bland
Mentag Robert G.
Reese Randolph A.
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