Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1989-12-22
1992-03-24
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
428136, 428137, 428156, 411339, 411368, 411427, 411544, 4034081, 296191, 296193, 293155, B32B 310, B60J 700, F16B 3504
Patent
active
050987658
ABSTRACT:
The present invention relates to an arrangement for attaching a plastic panel to an automotive body metal substructure enabling controlled distortion free thermal expansion and contraction of the plastic panel relative to a metal substructure. The attaching arrangement comprises a plastic adjustable mounting block sized for initial insertion in an associated wide slot portion of a keyhole-shaped expansion and contraction slot. The block has a central abutment portion depending from an upper plate portion including lateral extending wings providing with the plate opposed grooves adapted to slidably engage a narrow trailing slot portion of the keyhole-shaped slot upon the blocks subsequent longitudinal rearward movement. The block has a vertically disposed longitudinally extending integral locating frangible finger extending longitudinally from the abutment portion adapted to engage the rearward transverse edge of the narrow slot portion allowing the precisely located block to be readily affixed by a fastener to the plastic panel. Upon the panel undergoing shrinkage the narrow slot portion transverse edge crushes the locating finger enabling the plastic panel and its associated blocks to slide fore and aft relative to the substructure to accommodate thermal movement of the panel.
REFERENCES:
patent: 4592937 (1986-06-01), Magato et al.
patent: 4792475 (1988-12-01), Bien
Barthel Edward P.
Chrysler Corportion
Loney Donald J.
Ryan Patrick J.
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