Coating apparatus – Work holders – or handling devices
Patent
1979-04-09
1980-08-19
McIntosh, John P.
Coating apparatus
Work holders, or handling devices
204297W, 211119, B05C 1302
Patent
active
042178533
ABSTRACT:
A support rack or gang hanger on which workpieces are mounted for transporting the workpieces past an electrostatic spray coating station. The rack has an electrically conductive main frame and removable workpiece support hooks which are mechanically and electrically connected to horizontal, shielding crossbars of the main frame. Each shielding crossbar is a downwardly opening channel member which has a plurality of crossbeams extending between the legs of the channel member. These crossbeams are spaced along the length of the channel member and spaced from the cross web of the channel member. A plurality of such channel members are welded at their ends to vertical sidebars in vertically stacked arrangement.
A plurality of support hooks, each having a workpiece engaging portion and a crossbar engaging portion extend upwardly into the channel members. The support hooks are bent metal rods each of which extends into engagement with and partially around a different one of the crossbeams between its associated crossbeam and the cross web of the channel member and then extends further into engagement against the cross web. The crossbar engaging portion of each support hook is resiliently flexible and applies oppositely directed resilient forces against the cross web and its associated crossbeam for releasably retaining the hooks in the crossbar under spring tension and conductive contact.
REFERENCES:
patent: 4037727 (1977-07-01), Kunkle
patent: 4097359 (1978-06-01), Davitz
Foster Frank H.
McIntosh John P.
Production Plus Corporation
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