Plug door for a railroad freight car

Details Plug door for a railroad freight car Plug door for a railroad freight car

1976-03-11

1977-08-23

Kannan, Philip C.

Movable or removable closures

Mounted for multidirectional or oblique movement

Initial or terminal movement transverse to sliding movement...

E05D 1510

Patent

active

040430782

ABSTRACT:
The plug door of a railroad freight car is restrained against falling by elongated slide members in the upper track connected to the crank operating rod.

REFERENCES:
patent: 2031040 (1936-02-01), Haseltine
patent: 2453793 (1948-11-01), Hveem
patent: 3029747 (1962-04-01), Shaver
patent: 3913269 (1975-10-01), Ross, Jr.

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