Work holders – Holder mounted for movement – Means for position lock
Patent
1986-07-10
1987-12-29
Watson, Robert C.
Work holders
Holder mounted for movement
Means for position lock
269254R, 269904, B25B 102
Patent
active
047155906
ABSTRACT:
An apparatus having an elongate, first member, positionable along a first axis, and a second member, carried on the elongate member so that both members are movable with respect to each other along that axis, is provided for fixedly pre-positioning frames for doors, windows or the like. The first axis is parallel to an axis of the frame. The second member has a first claw which extends outwardly along a second axis orthogonal to the first, a second claw, and means for fastening together the second member and the elongate member along the first axis. A cantilevered, biasing member is provided and is connected to one end of the elongate member such that when one of the claws of the second member is engaged over the corner of a frame, the biasing member causes the apparatus, and therefore the frame, to be held in the desired position.
REFERENCES:
patent: 2599010 (1952-06-01), Pernitz
patent: 2806495 (1957-09-01), Merkle et al.
patent: 3018098 (1962-01-01), Hunt
patent: 3632101 (1972-01-01), Ross
patent: 3753556 (1973-08-01), Nix
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