Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Patent
1976-08-02
1979-02-13
Hall, Carl E.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
72705, 254DIG1, B21D 114
Patent
active
041388763
ABSTRACT:
A heavy duty truck liner for working on a truck, or large trailer, where a plurality of pulling and pushing operations are required to straighten a frame, etc. A plurality of tracks in the form of a rectangle surrounding the normal position of the truck and body, is prepared and set into the concrete floor of the work room. A large inverted U-frame is set on rollers which are adapted to travel longitudinally along the long sides of the track. The frame is large enough to completely encircle the truck and body can be moved readily along the track so as to be opposite any point on the side walls of the body where pulling or pushing operations are required. A folding platform is attached in a slidable manner to the sidewalls of the frame so as to position the platform at any level on either side of the body. Hydraulic locking means are provided to lock the frame in any selected position so as to withstand any pulling and pushing forces required. A plurality of robots are provided which are adapted to run on a second set of rails paralleling the first set which support the U-frame. Each of these robots is provided with a swivel table and a hydraulic crane so that it can be used to pick up loads, swing them to different positions and transport them along the rails, etc. The hydraulic crane can reach into the frame of the truck and pull, or push, as required, to provide straightening operations.
REFERENCES:
patent: 3050099 (1962-08-01), Smith
patent: 3269169 (1966-08-01), Latuff et al.
patent: 3377834 (1968-04-01), Latuff et al.
patent: 3590623 (1961-07-01), Hunnicutt
patent: 3689030 (1972-09-01), Backus
patent: 3776022 (1973-12-01), Lionelle
patent: 3888100 (1975-06-01), Chisum
patent: 3927550 (1975-12-01), Samuelsson
Gurley D. M.
Hall Carl E.
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