Speed change device for medical handpiece

Details Speed change device for medical handpiece Speed change device for medical handpiece

1985-02-13

1986-10-21

Dorner, Kenneth J.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74198, 74750R, F16H 5710

Patent

active

046178376

ABSTRACT:
A speed change device arranged such that a driving shaft connecting with a driver and a tool working shaft connected with a driven tool are connected with each other for transmission of torque in the no speed change mode or in the speed change (acceleration or deceleration mode and wherein a manipulating sleeve on the outer periphery of the handpiece case is used for selecting either the no speed change or the speed change mode thereby saving the expense of providing alternative devices for the individual modes of torque transmission.

REFERENCES:
patent: 2536803 (1951-01-01), Gleason
patent: 3631742 (1972-01-01), Hoffmeister
patent: 3641842 (1972-02-01), Hewko
patent: 3793907 (1974-02-01), Nakamura et al.
patent: 4074591 (1978-02-01), Dick
patent: 4286480 (1981-09-01), Dickie

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