Power tool

Details Power tool Power tool

1993-06-25

1994-08-23

Rada, Rinaldi I.

Tool driving or impacting

Means to drive tool about an axis

Gear drive

173217, 475298, F16H 344

Patent

active

053399080

ABSTRACT:
A power tool has a speed reduction gear mechanism including a plurality of stages of planetary gear arrangements, a slide gear member disposed in a tool body to be axially movable therein to change revolution speed of the speed reduction mechanism, and a movable member operatively connected to the slide gear member for moving the same, the movable member having a ring shape and being disposed on an outer side of the slide gear member whereby the slide gear member can be smoothly moved.

REFERENCES:
patent: 3872742 (1975-03-01), States
patent: 4052914 (1977-10-01), Nakajima
patent: 4791833 (1988-12-01), Sakai et al.
patent: 4892013 (1990-01-01), Satoh
patent: 4898249 (1990-02-01), Ohmori

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