Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Reexamination Certificate
1998-08-27
2001-08-21
Tolan, Ed (Department: 3725)
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
C072S300000, C072S305000, C072S311000, C072S705000
Reexamination Certificate
active
06276187
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The subject invention relates generally to vehicles and more particularly an improved clamping device for vehicle repair systems, such as so-called “frame machines.”
2. Description of Related Art
Vehicle repair apparatus sometimes known as frame machine are known in the prior art. Such devices have employed mechanical clamps which attach to the sides of vehicle frames, typically by bolting thereto. Such clamping mechanisms have proved relatively cumbersome in use and far less than universal in application.
SUMMARY OF THE INVENTION
The subject invention provides a hydraulically activated clamping device positionable along the length and width of the horizontal guide track or rail of a vehicle repair apparatus. A single hydraulic cylinder activates the clamp jaw and simultaneously causes the locking of clamping device in position with respect to the guide track.
REFERENCES:
patent: 3458182 (1969-07-01), Flachbarth et al.
patent: 4251065 (1981-02-01), McDougal
patent: 5054307 (1991-10-01), Wisner
patent: 5163663 (1992-11-01), Harris
patent: 5623846 (1997-04-01), Brewer, Jr.
A brochure entitled, “The Enforcer Series,” by Car-Clamp Inc., 1999.
Price and Gess
Tolan Ed
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