Variable speed control apparatus

Details Variable speed control apparatus Variable speed control apparatus

1975-07-10

1978-05-30

Scott, Samuel

Machine element or mechanism

Mechanical movements

Rotary to intermittent unidirectional motion

74116, F16H 2700

Patent

active

040916847

ABSTRACT:
A variable speed control apparatus is provided for operating a work member in a first mode at a given uninterrupted speed and in a second mode intermittently in incremental movements. The apparatus comprises a drive motor, actuator means drivingly associated with the motor, coupling means actuable into and out of driving relation with the motor and control means associated with the work member. The work member is operated in the first mode in response to actuation of the coupling means into driving relation with the motor and, in response to actuation of the coupling means out of driving relation with the motor, the actuator means operates the control means for operating the work member in the second mode.

REFERENCES:
patent: 1250546 (1917-12-01), Blydenburgh
patent: 2507756 (1950-05-01), Boylan
patent: 3853015 (1974-12-01), Bertozzi et al.

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