Combined switch and valve for compressor powered inflatable

Details Combined switch and valve for compressor powered inflatable Combined switch and valve for compressor powered inflatable

1988-12-22

1990-12-11

Look, Edward K.

Power plants

Pressure fluid source and motor

Pneumatic motor with gas supply or removal device

60433, 200 6186, 137554, 13762525, 297345, 297DIG8, 248161, 248631, A47C 330

Patent

active

049761048

ABSTRACT:
A housing (50, 52) defines a slide chamber (54) in which a slide member (34) reciprocates between three positions. A coil spring (86) holds the slide member (34) into a center position. In this position, slide member (34) blocks fluid flow through a port (28) and positions an electrical conductor (96) away from electrical contacts (110, 112). A push on the slide member (34) moves the electrical conductor (38) into circuit making contact with the contacts (110, 112). A pull on slide member (34) moves an exhaust passageway (36) in the slide member (34) into communication with the fluid port (28). The switch function activates a compressor which pumps air into an inflatable seat actuator. The valve function exhausts air from the inflatable seat actuator.

REFERENCES:
patent: 2620630 (1952-12-01), Bitzer
patent: 3604454 (1971-09-01), Tomko et al.
patent: 3700002 (1972-10-01), Christie
patent: 3942555 (1976-03-01), Raab et al.
patent: 3951373 (1976-04-01), Swenson et al.
patent: 3954245 (1976-05-01), Costin
patent: 4054761 (1977-10-01), Raab et al.
patent: 4126153 (1978-11-01), Raab
patent: 4164121 (1979-08-01), Houseman et al.
patent: 4524951 (1985-06-01), Green et al.

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