Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Patent
1987-12-29
1990-03-06
Larson, Lowell A.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
72705, B21D 112
Patent
active
049054961
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The object of the present invention is a procedure in car body rectifying work, in said procedure the vehicle being driven onto the rectifying table of the car body rectifying means and fixed with skirt attachments provided on the rectifying table.
The invention also relates to a rectifying means arrangement, said arrangement comprising at least one rectifying table with skirt attachments for fixing the vehicle or equivalent on the rectifying table for the rectifying work.
In rectifying means of the prior art, the lifting means raising the rectifying table is fixedly disposed in relation to the rectifying table. Said lifting unit has not in existing problem solutions been arranged to be such that it could be detached and moved to be immediately used elsewhere.
SUMMARY OF THE INVENTION
The aim of the invention is a car body rectifying means which is appropriate to be employed in simultaneous rectification of several cars or equivalent which have to be rectified. The aim of the invention is an apparatus design which affords a high rectifying work capacity, yet with low apparatus costs.
The aims of the invention are achieved with a procedure and an apparatus design as taught by the invention.
The procedure of the invention is characterized in that the vehicle is lifted, while it is on the rectifying table, with the lifting means of the vehicle rectifying means to desired height for the rectifying work;
the lifting means is removed from under the vehicle and from functional connection with the rectifying table and the vehicle is left to be carried by supporting legs connected to the rectifying table.
The other characteristic features of the procedure of the invention are stated below.
The apparatus design of the invention is mainly characterized in that the apparatus arrangement comprises lifting means functionally connected to the rectifying table and which can be moved under the rectifying table and out from there, and said means further comprising supporting legs which connect with the rectifying table, and when the lifting means has been moved away from under the rectifying table the rectifying table being arranged to rest on said supporting legs.
The other characteristic features of the apparatus of the invention are stated below.
In the procedure of the invention the vehicle is driven onto the rectifying table of the car body rectifying means and attached to the skirt attachments on the rectifying table. While the vehicle is on the rectifying table, it is lifted with the lifting means of the car body rectifying means to a given, desired height for the rectifying work. Thereafter the lifting means are taken away from under the vehicle and out of functional connection with the rectifying table. The vehicle is left on the rectifying table, carried by the supporting legs of the rectifying table. As taught by the invention, the supporting legs are separately detachable and attachable to the rectifying table. The rectifying means arrangement of the invention comprises at least one rectifying table provided with skirt attachments for fixing the vehicle or equivalent to the rectifying table for rectifying work. The apparatus arrangement comprises lifting means functionally connected with the rectifying table and which can be moved in under the rectifying table and away from there, said apparatus further comprising supporting legs connected with the rectifying table, when the lifting means has been moved away from under the rectifying table the rectifying table being disposable to rest on the supporting legs. As taught by the invention, the length of the supporting legs is adjustable and, likewise, the position in the breadth dimension of the supporting legs can be adjusted with reference to the rectifying table. The supporting leg may be telescopically extendable to desired length. Of course, such a design is also conceivable in which supporting legs of different lengths are used for different lifting heights.
By the procedure and the apparatus design of the invention, major capit
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patent: 3048237 (1962-08-01), Rutherford
patent: 3844421 (1974-10-01), Nielsen
patent: 4219186 (1980-08-01), Brewer
patent: 4694674 (1987-09-01), Lawrence
Autorobot Finland KY
Larson Lowell A.
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