Clam for wood handling equipment

Details Clam for wood handling equipment Clam for wood handling equipment

2007-04-24

2007-04-24

Kramer, Dean J. (Department: 3652)

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

C294S106000, C294S086410

Reexamination Certificate

active

10792670

ABSTRACT:
A wood handling clam having a pair of hollow curved jaws constructed of side walls and inside and outside covers welded thereto. A hollow carrier housing on which the jaws are pivoted at their upper ends has a downwardly extending center portion received into a slot formed into the upper end of each jaw. A tubular pivot pin extends through each upper end of each of the jaws and a pair of carrier housing side plates, as well as the through the down central portion of the carrier housing. Tubular cross shafts in the jaws and housing anchor devises for mounting each end of a power cylinder for each jaw extending into the slot in the upper end of each jaw.

REFERENCES:
patent: 3384409 (1968-05-01), Guinot
patent: 3759564 (1973-09-01), Seaberg
patent: 3902614 (1975-09-01), Roberts et al.
patent: 4005895 (1977-02-01), Cullings
patent: 4042272 (1977-08-01), Gotzen
patent: 4178030 (1979-12-01), Dolinsek
patent: 4907356 (1990-03-01), Labounty
patent: 5024397 (1991-06-01), Edwards et al.
patent: 5330242 (1994-07-01), Lucky, Sr.
patent: 5620222 (1997-04-01), Prinz

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