Hopper car cam lock door operating mechanism

Details Hopper car cam lock door operating mechanism Hopper car cam lock door operating mechanism

1977-12-09

1980-01-01

Moore, Richard E.

Closure fasteners

Extension link

292DIG32, 105251, 105255, 298 37, E05C 1718

Patent

active

041813367

ABSTRACT:
A door lock mechanism for hopper cars includes a longitudinally extending operating rod actuated by a linkage means tripped by a track side cam. The rod in turn actuates cam locks by means of bell cranks which cause the locks to rotate and release transverse tension rods connected to doors for opening the same. The cam locks include cams engageable with teeth on the tension rods for securely locking the doors in a closed position. The operating rod also includes cam means effectively engaging the cam locks to positively lock the same in a closed position.

REFERENCES:
patent: 1595555 (1926-08-01), Kooser
patent: 1700557 (1929-01-01), Cherniack et al.
patent: 2369725 (1945-02-01), Dyrr
patent: 2388075 (1945-10-01), Peters
patent: 2534626 (1950-12-01), Rubenstein
patent: 2692788 (1954-10-01), Willis
patent: 2702205 (1955-02-01), Germain
patent: 2901985 (1959-09-01), Dorey
patent: 3710730 (1973-01-01), Austgen et al.
patent: 3885846 (1975-05-01), Chuang et al.

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