发明名称 Roller assembly
摘要 An improved roller assembly is provided for guiding movement of a beverage truck overhead door, and for preventing lateral misalignment of lettering or decals on the outside of such door. The improved roller assembly includes a roller, a dished washer, and a shaft. The shaft has self-tapping exteriorly-threaded shank portion, which is received in a hinge section of a door panel.
申请公布号 US4379479(A) 申请公布日期 1983.04.12
申请号 US19820384026 申请日期 1982.06.01
申请人 WHITING ROLL-UP DOOR MFG. CORP. 发明人 WHITING, LAUREN C.
分类号 B60J5/08;E05D1/04;E05D15/16;E05D15/24;(IPC1-7):E06B3/38 主分类号 B60J5/08
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