Positive and negative pressure breath control device

Details Positive and negative pressure breath control device Positive and negative pressure breath control device

1974-09-27

1976-03-23

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Plural switch

200 83C, 200 83Z, 200153T, H01H 3532

Patent

active

039461742

ABSTRACT:
This disclosure is directed to a positive and negative pressure operated control device for use as a breath control device. The device includes a plurality of micro switches which can be sequentially actuated or rendered responsive to a person blowing or sucking on an expandible chamber whereby the change in pressure effected thereby will actuate the respective switches accordingly.

REFERENCES:
patent: 2475069 (1949-07-01), Wood
patent: 2715348 (1955-08-01), Williams
patent: 2765743 (1956-10-01), Hollinshead
patent: 3676619 (1972-07-01), Hook
patent: 3781623 (1973-12-01), Neumann

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