Cam-operated single acting hatch cover lock

Details Cam-operated single acting hatch cover lock Cam-operated single acting hatch cover lock

1998-07-27

2000-03-21

Melius, Terry Lee

Closure fasteners

Bolts

Swinging

292 98, 292124, 2922565, 292257, 10537711, B61D 3900, E05C 330

Patent

active

060393629

ABSTRACT:
A hatch cover locking mechanism for securing a roof member onto a hatch opening of a railway hopper car is provided. The hatch cover lock utilizes camming engagement between an operation handle and a keeper member in order to rotate the keeper member and lock or unlock the keeper member to a strapping associated with the hatch roof member.

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patent: 4365832 (1982-12-01), Treppler
patent: 5314218 (1994-05-01), Nadherny
patent: 5785362 (1998-07-01), Nadherny

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