Handling: hand and hoist-line implements – Hand bars and hand barrows – Opposing jaws
Patent
1973-03-09
1976-01-27
Blunk, Evon C.
Handling: hand and hoist-line implements
Hand bars and hand barrows
Opposing jaws
81 43, 294 33, 294 99R, B25B 902
Patent
active
039349152
ABSTRACT:
A one-piece set of synthetic plastic, object-gripping tongs including a pair of longitudinally extending blades, an integral hinge normally urging the blades to fully spread positions, but permitting movement thereof to closed, object-gripping positions, and cooperating connector portions on the blades interrupting spreading movement of the blades in positions between the fully spread and closed positions, but permitting movement thereof to the closed positions.
REFERENCES:
patent: 832317 (1906-10-01), Hinds
patent: 985755 (1911-02-01), Gilbert
patent: 2685880 (1954-08-01), Curutchet
patent: 3137880 (1964-06-01), Kubit et al.
patent: 3265068 (1966-08-01), Holohan
Blunk Evon C.
Nase Jeffrey V.
Swartz John J.
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