Trough hatch locking device

Details Trough hatch locking device Trough hatch locking device

1978-09-11

1980-11-18

Moore, Richard E.

Closure fasteners

Clamps

Hatch fastener

292210, E05C 314

Patent

active

042342210

ABSTRACT:
A device for securing a hatch cover has a locking strap pivotally attached at one end and adapted to overlap adjacent end portions of trough hatch covers. The locking strap has a free end engaged by a locking bar which pivots at right angles thereto. The locking bar is part of a unit or module which includes a shackle and a latch hook for holding the locking strap. The shackle is pivotally attached to the locking bar and is weighted with ballast to always be disposed in a vertical position for locking. The latch hook is also weighted and allowed a small amount of rotation to compensate for wear of the sealing gaskets to insure continuous locking engagement between the shackle and the latch.

REFERENCES:
patent: 3041099 (1962-06-01), Stewart et al.
patent: 3514142 (1970-05-01), Smith
patent: 4046082 (1977-09-01), Tedesco et al.
patent: 4076290 (1978-02-01), Sweger

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