Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Reexamination Certificate
2006-03-28
2009-06-23
Tolan, Edward (Department: 3725)
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
C072S705000
Reexamination Certificate
active
07549313
ABSTRACT:
A vehicle frame and unibody straightening jig has multiple receivers at each end for connection with pulling tower assemblies on all sides of the vehicle. Multiple pulling towers can be installed side-by-side on the same side or end of a vehicle. Receivers at the end of the jig may be installed in parallel orientation. The receivers are selectively removable. The jig also includes lateral support legs or outriggers pivotable about a 90° arc and foldable against the spine to reduce the width of the jig for storage. Height-adjustable, rotatable clamps are mounted on the outriggers for connecting the jig to a vehicle frame or unibody, The clamps are adjustable along the length of the legs to permit connection of the jig with a wide variety of vehicle frames and unibody structures. The jig also includes a carriage assembly with wheels for easy positioning beneath a vehicle.
REFERENCES:
patent: 4873861 (1989-10-01), Bergstrom
patent: 5031438 (1991-07-01), Flannery
patent: 6185982 (2001-02-01), Ballard et al.
patent: 6978652 (2005-12-01), Meis
patent: 7150176 (2006-12-01), Thomas
Polsinelli Shughart PC
Rodgers Marcia J.
Spider Pulling Machines, Inc.
Tolan Edward
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