Handling: hand and hoist-line implements – Grapple – Pivoted jaws
Patent
1988-04-22
1989-09-26
Cherry, Johnny D.
Handling: hand and hoist-line implements
Grapple
Pivoted jaws
294118, B66C 148
Patent
active
048695408
ABSTRACT:
A pallet puller apparatus has a pair of jaws which are pivotally connected in a scissors-like fashion, with one of the jaws moving between a pair of body sections of the second jaw. On the first end of each jaw is a clamp portion having a plurality of teeth extending a predetermined distance beyond the interior wall of the jaw. The teeth grasp the pallet when the first ends of the jaws are moved toward each other. On the second end of each jaw is a force applicator which includes a mounting pin for the second end of a jaw in an arcuate slot built into the body portion of the force applicator. The second jaw has a pair of body sections through which the pin in the slot passes. When the force applicator is pulled, the second end of the second jaw travels in the slot, causing the jaws to come together. The more force that is used to pull on the force applicator, the stronger the jaws grip the pallet.
REFERENCES:
patent: 1457445 (1923-06-01), Marcum
patent: 2215844 (1940-09-01), VanSyckle
patent: 3807786 (1974-04-01), Alegria
patent: 3923333 (1975-12-01), Whaley
patent: 4098533 (1978-07-01), Hanlon
patent: 4421353 (1983-12-01), Smith
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