Rotating tool and traction drive unit therefor

Details Rotating tool and traction drive unit therefor Rotating tool and traction drive unit therefor

1989-01-26

1990-08-21

Howell, Daniel

Cutting by use of rotating axially moving tool

Means to drive tool

Friction gearing

475183, B23B 4704, F16H 1308

Patent

active

049501100

ABSTRACT:
A rotating tool includes a drive source, a work piece, and a traction drive unit intercoupled between the drive source and work piece. The traction drive unit includes a unit case having a through-hole, a drive shaft and a follower shaft inserted into the through-hole and supported via a rolling bearing, and a plurality of planet rollers installed between the rolling bearing and the drive shaft in a frictionally rotatable condition and supported at the side of the follower shaft.

REFERENCES:
patent: 1017910 (1912-02-01), Rennerfelt
patent: 1545243 (1925-07-01), Fletcher
patent: 2521585 (1950-09-01), Kurtz et al.
patent: 3084570 (1963-04-01), Holder
patent: 3244026 (1966-04-01), de Kay
patent: 4121331 (1978-10-01), Fukuma et al.

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