Work holders – Operator supported – Handle manipulation for jaw actuation
Patent
1992-05-18
1993-06-08
Watson, Robert C.
Work holders
Operator supported
Handle manipulation for jaw actuation
B66F 300
Patent
active
052172139
ABSTRACT:
A C-clamp including a grip fixed to a body, a rod laterally extended through the upper end of the grip and extended into the body, a rack formed in the rod, a handle having an upper end pivotally coupled to the grip, a pawl pivotally coupled in the upper end of the handle for engagement with the rack, a catch disposed in the grip and engaged with the rack for preventing backward movement of the rod, whereby, the rod is pushed forward when the handle pulled toward the grip, and the rack is disengaged from the pawls when the rod is rotated.
REFERENCES:
patent: 3144707 (1964-08-01), Hiestand
patent: 3197848 (1965-08-01), Eichacker
patent: 4874155 (1989-10-01), Goul
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