Electromechanical programmer with smooth program preselection

Details Electromechanical programmer with smooth program preselection Electromechanical programmer with smooth program preselection

1991-06-03

1992-12-08

Scott, J. R.

Electricity: circuit makers and breakers

Retarded

Clock train

200 38A, 200 38B, 200 38C, H01H 4300

Patent

active

051700220

ABSTRACT:
A electromechanical programmer with smooth program preselection having a rotating main cam unit for executing several operating programs, a first cam for allowing step passage with the main cam unit driven in rotation by a micromotor through a speed reduction system, and a second cam for smooth program preselection. The programmer comprises a retractable mechanical drive device for assuring a mechanical connection between the rotating main cam unit and first cam for allowing step passage under a control of the second cam for smooth program preselection.

REFERENCES:
patent: 3319019 (1967-05-01), Davin
patent: 3373253 (1968-03-01), Davin
patent: 3449699 (1969-06-01), Davin
patent: 3596015 (1971-07-01), Davin
patent: 4146760 (1979-03-01), Voland
patent: 4892982 (1990-01-01), Hueber et al.
patent: 4948928 (1990-08-01), Willigman

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