Pneumatic timer

Details Pneumatic timer Pneumatic timer

1982-05-06

1984-05-08

Roskoski, Bernard

Horology: time measuring systems or devices

Chronological

With fluidic actuation means

368 89, G04B 126, G04B 900

Patent

active

044471610

ABSTRACT:
A pneumatic timer has a mark or pointer which is moved as long as the timer is in operation. The timer has a face plate supporting the adjustment knob for a choke and having a window through which the mark or pointer may be seen. The mark is on a support which is moved on the back side of the window by the free end of a bellows.

REFERENCES:
patent: 598066 (1898-01-01), Hahl
patent: 1730448 (1929-10-01), Bryce

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