Program timer with variable time delay

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

1985-10-04

1987-03-10

Miska, Vit W.

Electricity: circuit makers and breakers

Retarded

Clock train

200 38B, 368108, H01H 4300

Patent

active

046492399

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.

REFERENCES:
patent: 3724248 (1973-04-01), Obermann
patent: 4442326 (1984-04-01), Wagle
patent: 4500212 (1985-02-01), Wojtanek
patent: 4536626 (1985-08-01), Wojtanek
patent: 4536627 (1985-08-01), Duve
patent: 4551590 (1985-11-01), Mahon

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