Clamp device for rotary shaft portion

Details Clamp device for rotary shaft portion Clamp device for rotary shaft portion

1994-10-21

1996-04-16

Knight, Anthony

Joints and connections

Interfitted members

Radially interposed shim or bushing

403373, 403350, 403367, 192 41R, 192110R, F16D 4900

Patent

active

055075878

ABSTRACT:
A clamp device is provided which is operable with extreme ease for clamping and unclamping a rotary shaft portion under remote control and which is capable of exerting a great clamping force and unlikely to displace the shaft axis. The clamp device includes a fixed sleeve (10) radially elastically deformable, rotatably supporting the shaft portion (7) and having a tapered surface (12) over a periphery thereof on the opposite side of a shaft supporting portion (11) thereof, a rotatable clamp member (17) having a tapered surface fitting to the sleeve tapered surface (12) with rollers (15) provided therebetween, the rollers being arranged as inclined with respect to the axis of the sleeve, and a drive unit (23) for rotating the clamp member.

REFERENCES:
patent: 1834843 (1931-12-01), Humfrey
patent: 1895678 (1933-01-01), Pitter
patent: 2068198 (1937-01-01), Seifarth
patent: 4278156 (1981-07-01), Yano
patent: 4462490 (1984-07-01), Hattori
patent: 4573561 (1986-03-01), Deem et al.
patent: 4593799 (1986-06-01), Ozaki
patent: 5109964 (1992-05-01), Fukui et al.
patent: 5381879 (1995-01-01), Takata
patent: 5385424 (1995-01-01), Matsumoto

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