Timer with improved geneva drive mechanism

Details Timer with improved geneva drive mechanism Timer with improved geneva drive mechanism

1996-07-10

1998-05-05

Spyrou, Cassandra C.

Electricity: circuit makers and breakers

Retarded

Clock train

200 37R, 200 38A, H01H 700, H01H 4300

Patent

active

057477604

ABSTRACT:
An electrical timer is provided having an electrical motor connected to a first geneva drive gear via a gear train. The geneva drive gear engages a geneva wheel and is coupled to a cam via a clutch joining the geneva wheel and the cam. The clutch may provide a plurality of indexable operating positions wherein each operating position is angularly displaced from adjacent operating positions by a distance equal to the angular distance between adjacent cusps.

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