Coupling for quick attachment to plate-like structure

Details Coupling for quick attachment to plate-like structure Coupling for quick attachment to plate-like structure

1980-04-03

1982-02-16

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

24201A, 24221K, 294 93, 411349, B63C 716, B66C 134

Patent

active

043156517

ABSTRACT:
A coupling which is readily attachable to a plate, panel or like structure ncludes a rotatable shaft for thrusting a bearing element through a circular hole in the structure when the bearing element and the hole are in concentric relationship. Thereafter, the shaft is rotated by less than a complete revolution to bring the bearing element and the hole into a selected eccentric relationship, and also to activate a locking mechanism to maintain the eccentric relationship. When the bearing element and hole are in the eccentric relationship, a bearing surface of the bearing element abutts the structure to impose substantial force thereupon.

REFERENCES:
patent: 2311592 (1943-02-01), Hapanowicz
patent: 2378122 (1945-06-01), Barlow
patent: 3159393 (1964-12-01), Villano
patent: 3381925 (1968-05-01), Higuchi
patent: 3456967 (1969-07-01), Tantlinger et al.
patent: 3594876 (1971-07-01), Gunther
patent: 3747168 (1973-07-01), Snarskis
patent: 3972554 (1976-08-01), Tryon

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