Program timer with variable time delay

Details Program timer with variable time delay Program timer with variable time delay

H - Electricity

01

H

306/271

H01H 43/00 (2006.01) H01H 43/10 (2006.01)

Patent

CA 1283942

PROGRAM TIMER WITH VARIABLE TIME DELAY ABSTRACT A delay arrangement for a program timer having a rotatable timing cam member (monoblock) including a delay ratchet wheel having a pin which engages an abutment inside the monoblock at one relative position of the delay ratchet to the monoblock. The monoblock ratchet ring has a gap at the desired delay position so that when the delay ratchet wheel is set to a desired delay, and the drive pawl is at the delay position, the drive pawl extends into the gap to only move the delay ratchet wheel until the pin engages the monoblock. The monoblock is then advanced along with the delay ratchet wheel until such time as the gap in the monoblock ratchet ring has advanced past the drive pawl. From then on, the regular monoblock advance takes over.

519898

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