Handling: hand and hoist-line implements – Grapple – Rigid gripper
Patent
1982-06-07
1987-12-15
Marbert, James B.
Handling: hand and hoist-line implements
Grapple
Rigid gripper
294 15, B66F 1500, B65G 712
Patent
active
047128194
ABSTRACT:
Tool for lifting doors, panels and the like to facilitate installation and handling of the same. The tool comprises a pair of fingers affixed to a horizontally extending arm for gripping opposite sides of the door, panel or other member when a lifting force is applied to a handle connected to the outer end of the arm.
REFERENCES:
patent: 1401046 (1921-12-01), Clymer
patent: 1448999 (1923-03-01), Haarberg
patent: 3363927 (1968-01-01), Wesemann
patent: 3642251 (1972-02-01), Guenther
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