Handling: hand and hoist-line implements – Hand and finger attachments
Patent
1975-03-04
1976-08-17
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hand and finger attachments
294 16, B65G 712
Patent
active
039750434
ABSTRACT:
A gripping device including a pair of side assemblies, each having a substantially constant arcuate cross-sectional configuration throughout its length, projections on its concave inner surface, and free outer edges while their inner edges are hingedly connected together by a hinge to enable said outer edges to be moved towards or away from one another. One said side assembly has along its inner edge a channel and the other is provided with a bead along its inner edge which is pivotally engageable within said channel by relative longitudinal sliding movement therebetween. A torsion-bar spring assembly is disposed adjacent the hinge and connected at its opposite ends into a recess in the respective side assembly and adapted to urge the said side assemblies apart. The parts are so made and arranged that said device may be held within a cupped hand of a user with the outer edges remote from the palm of the hand and disposed substantially parallel to the pivot axis of the user's hand.
REFERENCES:
patent: 941798 (1909-11-01), Moore
patent: 2244072 (1941-06-01), Ledbetter
patent: 2263965 (1941-11-01), Fiori
patent: 2506839 (1950-05-01), Mead
patent: 2800356 (1957-07-01), Benton
patent: 2881022 (1959-04-01), Brust
patent: 3181198 (1965-05-01), Stelzen
patent: 3259415 (1966-07-01), Howard
patent: 3356405 (1967-12-01), Gruber
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