Releasable fastening device

Closure fasteners – Bolts – Hooked end

Patent

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Details

70289, 206 15, 292106, E05C 306

Patent

active

043469248

ABSTRACT:
A briefcase is provided with a two-part releasable fastening device, the first part of which includes a movable fastening member for releasably fastening the parts together. The first part of the device further comprises a ball which, when the case is inverted, is urged by gravity into a retaining position in which it prevents releasing movement of the fastening member. When the lid of the case is uppermost, the ball permits movement of the fastening member to release the second part of the device.

REFERENCES:
patent: 1733772 (1929-10-01), Battershell
patent: 2399302 (1946-04-01), Thiele
patent: 2659228 (1953-11-01), Ducharme
patent: 4208837 (1980-06-01), Black, Sr. et al.

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