Handling: hand and hoist-line implements – Grapple – Expanding
Patent
1982-06-02
1984-05-08
Marbert, James B.
Handling: hand and hoist-line implements
Grapple
Expanding
414753, B66C 142
Patent
active
044470851
ABSTRACT:
A grapple includes a pivotal L-shaped catch and a lever arranged to move the catch to an object-releasing position when the lever engages the object.
REFERENCES:
patent: 2832633 (1958-04-01), Compson
patent: 3310337 (1967-03-01), Riemenschneider
Esposito Michael F.
Grant Edwin D.
Hamel Stephen D.
Marbert James B.
The United States of America as represented by the United States
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