Lock for railway hopper car unloading gate

Details Lock for railway hopper car unloading gate Lock for railway hopper car unloading gate

1993-01-29

1993-12-28

Le, Mark T.

Railway rolling stock

Special car bodies

Dumping

1052823, B61D 700

Patent

active

052729877

ABSTRACT:
The invention is a resilient lock for a gear drive railway car hopper gate. The lock prevents undesired opening of the gate and spilling of the contents of a railway hopper car. A resilient locking member is located between teeth of one gear and engages teeth of another gear to prevent accidental opening.

REFERENCES:
patent: 674447 (1901-05-01), Mase
patent: 1080280 (1913-12-01), Hult
patent: 3248026 (1966-04-01), Kemp
patent: 3415204 (1968-12-01), Pase
patent: 4228696 (1980-10-01), Jablonsky
patent: 4253400 (1981-03-01), Fischer et al.
patent: 4342267 (1982-08-01), Blout
patent: 5046432 (1991-09-01), Bowter

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