Handling: hand and hoist-line implements – Grapple – Expanding
Patent
1996-08-02
1998-02-03
Kramer, Dean
Handling: hand and hoist-line implements
Grapple
Expanding
294 16, 2941031, B25J 100, B25B 904
Patent
active
057136181
ABSTRACT:
A device for handling a disk having an aperture includes a shaft having a first end and a second end. A contact surface is located on the shaft first end for contacting the first side of the disk. A claw extends away from the contact surface. The claw has a length which is greater than the thickness of the disk and includes a protrusion for contacting a second side of the disk. A foot is movably mounted adjacent the shaft contact surface in a manner spaced from the claw. The foot is used for selectively contacting the second side of the disk at a location spaced from the claw. A mechanism is provided for moving the foot to bring the foot into contact with the second side of the disk. Preferably, a longitudinally extending bore is located in the shaft and a plunger is positioned in the bore. The plunger has a first end cooperating with the foot and a second end which is acted on by an operator mounted on the shaft second end.
REFERENCES:
patent: 2862757 (1958-12-01), Hutchinson
patent: 3282589 (1966-11-01), Morrison
patent: 4072335 (1978-02-01), Tift et al.
patent: 4595221 (1986-06-01), deGeus et al.
patent: 4726615 (1988-02-01), Goldberg
patent: 4997224 (1991-03-01), Pierce
patent: 5072982 (1991-12-01), Boss
patent: 5192106 (1993-03-01), Kaufman
patent: 5195794 (1993-03-01), Hummel, Jr. et al.
patent: 5503446 (1996-04-01), De Jong
patent: 5505509 (1996-04-01), Vance
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