Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Patent
1988-06-29
1989-10-17
Larson, Lowell A.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
72705, 187 854, B21D 0112
Patent
active
048738611
ABSTRACT:
A lifting apparatus in a vehicle chassis straightening or aligning bench including a frame which can be raised and lowered and on which a vehicle chassis can rest. The lifting apparatus includes at least one post guide which can be removably secured to the frame and slidably receive a post therein. The lifting apparatus is positioned under the chassis such that lowering of the frame will result in the chassis bearing on upper end of the post and upon further lowering of the frame, displacement of the frame from the post so that a clamp device can be inserted between the chassis and the bench frame.
REFERENCES:
patent: 2552974 (1951-05-01), Johnson
patent: 4542636 (1985-09-01), Wright
patent: 4574614 (1986-03-01), Field
patent: 4585198 (1986-04-01), Chartier et al.
Car-O-Liner Company
Larson Lowell A.
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