Rotary support device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 21, 1987
Grant Date -
N/A
app pub date -
Nov 14, 1984
filing date -
Feb 23, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary support device comprises an annular upper member and an annular under member which are so arranged that their inner or outer peripheral walls overlap each other with a small clearance formed therebetween. The overlapping peripheral walls are bent toward each other to form a pair of retaining portions which are rotatable relative to each other. A plurality of steel balls held spaced apart equidistantly by a retainer are rollably provided between the two members.
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Cited Art Landscape
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