Metal working – Means to assemble or disassemble – Overedge assembling means
Patent
1998-09-02
2000-03-14
Scherbel, David A.
Metal working
Means to assemble or disassemble
Overedge assembling means
2924357, B23P 1100
Patent
active
060355042
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention relates to a device for folding the edges of roof cutouts for motor vehicle sliding roofs in which the coachwork has an outer and an inner metal plate, each with an upwardly projecting flange limiting the roof cutout and in which the flange of the outer metal plate is wider than that of the inner metal plate.
BACKGROUND OF THE INVENTION
The outer metal plate of the coachwork is connected to the inner metal plate by folding the flange section of the outer metal plate which projects beyond the upwardly standing flange of the inner metal plate over the flange of the inner metal plate. It takes two work cycles, that means edging by 90.degree. and subsequent folding; in practice these two work cycles are executed with different devices or, if required, by hand, calling for extensive manipulation of the coachwork metal plate.
Previously known from DE 44 18 684 A1 and DE 44 12 232 A1 are bordering processes and corresponding bordering devices for preliminary and finish bordering of coachwork parts, where a radially movable slide to establish a bordering union is provided at a pressing tool, the pre-bordering edge of which can be moved towards the outside to execute the subsequent finish bordering. Here, too, a bordering union of the parts is effected in a first transformation phase of the pressing tool by means of a pre-bordering edge of a movable slide; subsequently the slide moves radially towards the outside. In a second transformation phase of the pressing tool a second bordering tool with a bordering edge effects a finish bordering of the parts to be united.
SUMMARY AND OBJECTS OF THE INVENTION
It is the primary object of the invention to execute the 90.degree. edging and subsequent folding of edges of roof cutouts for sliding roofs in one device.
This task is solved by a device of the species described above which is characterized by a folding bed serving as support for the outer metal plate and for the inner plate arranged upon it and an abutment arranged at the side of the roof cutout. The abutment serves for the flange of the outer metal plate and the flange of the inner metal plate resting against it. A filling slide is arranged over the folding bed and movable against the abutment and/or flanges, a multiple-part folding slide, the folding slide part of which can be moved both parallel to the plane of the roof cutout and orthogonally to it, each provided with folding strips to engage and fold the section of the flange of the outer metal plate projecting beyond the flange of the inner metal plate.
For folding of edges of a roof cutout for sliding roofs of motor vehicle coachworks (body) the outer metal plate provided with an upwardly projecting flange limiting the roof cutout is laid on the folding bed. The inner metal plate which is also provided with an upwardly projecting edge is laid on it. The flange of the outer metal plate finds its support in the abutment. The flange of the inner metal plate is held with the filling slide against the flange of the outer metal plate and thus against the abutment. Then the folding slide parts will be so adjusted that the undersides of their folding strips are mainly flush with the upper edge of the upwardly projecting flange of the inner metal plate and plate thickness of the outer metal plate and the folding slide parts will be so moved that the outer metal plate flange section projecting beyond the flange of the inner plate is initially folded by approximately 90.degree. beyond the upper edge of the flange of the inner plate. Subsequently the filling slide will be removed and/or so moved that the folding slide parts are moved parallel to the upwardly projecting flange of the inner metal plate, thus folding the projecting flange section already folded by 90.degree. parallel to the flange of the inner metal plate.
In a preferred layout of this invention the folding bed has got a recess corresponding to the roof cutout and is arranged in the recess of the annular-shaped abutment. For assembly considerations it can be exped
REFERENCES:
patent: 5189784 (1993-03-01), Welty
patent: 5224253 (1993-07-01), Sawa
patent: 5237734 (1993-08-01), Polon
Scherbel David A.
Shanley Daniel
Thyssen Industrie AG
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