Double kitchen timer

Details Double kitchen timer Double kitchen timer

1976-08-19

1978-01-31

Jackmon, Edith S.

58 2111, G04F 302

Patent

active

040708209

ABSTRACT:
This invention is a spring driven timer with primary and secondary time selection knobs rotating on a common center. The knobs are connected to a solid and a hollow concentric shaft, respectively, which in turn are connected to respective hammer mechanisms. When the primary knob is turned, a tab simultaneously turns the secondary knob to a desired longer time interval. Then the primary knob is set at a desired shorter time interval. When each knob (turned by a common clock mechanism) reaches the 0 time position, each respective hammer is impacted upon a single common bell. Two possible external embodiments of the device are presented.

REFERENCES:
patent: 2590027 (1952-03-01), Mellard
patent: 3817019 (1974-06-01), Fowler

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