Rotary support device

Details Rotary support device Rotary support device

A - Human Necessities

47

B

311/12

A47B 91/06 (2006.01) A47B 49/00 (2006.01) F16C 19/10 (2006.01) F16M 11/08 (2006.01)

Patent

CA 1228106

ABSTRACT OF THE DISCLOSURE 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 there between. The over- lapping 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 reliably provide between the two members.

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