Railway car roof hatch cover lock

Details Railway car roof hatch cover lock Railway car roof hatch cover lock

1979-06-20

1981-04-21

Beltran, Howard

Railway rolling stock

Special car bodies

Freight

49394, 105308A, 105308E, 220314, 292259R, B61D 3900, B61D 1716, E05B 6518, E05C 316

Patent

active

042626048

ABSTRACT:
A mechanism for locking the lock straps of railway car hatch covers includes a pivoted lever which is clamped over the tongue of a lock strap. The clamping is achieved by means of a pivoted keeper member having a mouth portion engaging the ends of the lever in locking relation. The keeper member is pivotally supported and is positioned by an overcenter toggle action in a receiving or locked position by means of a leaf spring assembly. The locking and unlocking action may be accomplished by hand or foot operation.

REFERENCES:
patent: 2433084 (1947-12-01), Beauchamp
patent: 2816683 (1957-12-01), Miers et al.
patent: 3041099 (1962-06-01), Stewart et al.
patent: 3217661 (1965-11-01), Kemp
patent: 3800714 (1974-04-01), Stark et al.
patent: 3934518 (1976-01-01), Adler
patent: 4021067 (1977-05-01), Nadherney

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