Railway draft appliances – Couplings – Glass table
Patent
1976-04-23
1977-09-27
Blix, Trygve M.
Railway draft appliances
Couplings
Glass table
213 81, 213 92, 213101, 213177, B61G 136
Patent
active
040505880
ABSTRACT:
A mine car coupling assembly comprising a spring biased receiving assembly having a pair of jaw members mounted about a pivot point. The forward ends of the jaw members are beveled and tapered inwardly to form a hook configuration adapted to receive and hold an arrowhead shaped male member. Each jaw member's forward end is biased toward the other jaw member's forward end by a spring assembly mounted to both of the jaw members. The tip of the arrowhead member initially engages the jaw members of the receiving assembly and overcomes the spring assembly's force, forcing the jaw members apart. When the arrowhead has entered into the receiving assembly the hook ends are urged back toward each other by the spring assembly to engage the rear surface of the arrowhead member and hold the arrowhead member in position within the receiving assembly. The arrowhead member is released from the receiving assembly through a release mechanism comprising a slidable latch block which carries a movable wedge adapted to fit over the arrowhead member. The wedge is moved to engage the jaw members spreading them apart so that the arrowhead member can be removed from the receiving assembly to uncouple the cars.
REFERENCES:
patent: 275177 (1883-04-01), Eyl
patent: 534660 (1895-02-01), Palmer
patent: 599883 (1898-03-01), Turk et al.
Basinger Sherman D.
Blix Trygve M.
Lester Construction Co.
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