Adjustable clamp

Details Adjustable clamp Adjustable clamp

1997-11-28

1999-07-20

Scherbel, David A.

Work holders

Relatively movable jaws

Means to actuate jaw

269274, 269275, B25B 114

Patent

active

059246855

ABSTRACT:
A work piece stock holding member that can be adjusted by a single handle or adjustment nut usable with a conventional channeled toggle clamp fixed to a working surface. The holding member has an internally and externally threaded collar having a single piece joined clamp engaging unitary washer. The collar's internal threads are received by the external threads of an inserted supporting bolt. An upper end adjustment handle is fixed to the supporting bolt to rotate in unison with the bolt. The vertical adjustment of the holding member relative to the working piece is performed by rotating this bolt's upper handle. On one side of the clamp's channel is another separate holed washer which bears against one side of the clamp, moves on its hole pass the central bolt and bears against an adjustment nut mount on the collar's external upper threads. By tightening or loosening the adjustment nut, the two opposing bolt mounted washers can be moved to permit their engagement or disengagement with the toggle clamp's surfaces. When the single nut is loosened the holding member can be moved horizontally and then tightened to permit the holding member's horizontal adjustment with respect to the holding member's work piece engaging end and the fixed toggle clamp.

REFERENCES:
patent: 1801222 (1931-04-01), Cayo
patent: 2349087 (1944-05-01), Fraser
patent: 2501238 (1950-03-01), Sarsgard et al.
patent: 3700227 (1972-10-01), Sessody
patent: 3924844 (1975-12-01), Bachtel, Jr.
patent: 4335873 (1982-06-01), Kiefer
patent: 4407493 (1983-10-01), Okolischan
patent: 4470586 (1984-09-01), Spencer
patent: 4958813 (1990-09-01), Dykstra
patent: 4981289 (1991-01-01), Duval
patent: 5080336 (1992-01-01), Carossino
patent: 5275391 (1994-01-01), Lynn et al.
patent: 5688014 (1997-11-01), Kot

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