Pivotal bearing for door frames
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United States of America Patent
Stats
-
Mar 27, 2001
Grant Date -
N/A
app pub date -
Jul 2, 1999
filing date -
Jul 15, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention is about an improved pivot bearing for door frames with a spring installed within, such that a protruding pivotal portion is made elastic, facilitating easy assembly of shelves and cabinets. In assembling shelves and cabinets, various boards are connected first, only thereafter are the door frames, equipped with the pivotal bearing of the present invention, installed in place. In this manner, the assembly of shelves and cabinets is made easier, fulfilling the purpose and object of Do-It-Yourself design.
First Claim
Family
International Classification(s)
Cited Art Landscape
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