Pressure sensitive switch

Details Pressure sensitive switch Pressure sensitive switch

1977-11-08

1979-06-12

Price, William

Electricity: circuit makers and breakers

Electrostrictive or electrostatic

340365A, 310329, 200262, H01H 5700, H01H 102, H02K 122, G08C 100

Patent

active

041581172

ABSTRACT:
A pressure sensitive switch including a poly (vinylidene fluoride) (PVF.sub.2) sheet arranged to be compressed and laterally outwardly distended under a load carrying on each major surface thereof contact means for receiving a signal generated by the sheet when compressed and distended two thick blocks of solid elastomeric material between which is sandwiched the sheet, and means for compressing and laterally outwardly distending both blocks by relative motion toward each other thereby in the absence of tension forces compressing and laterally outwardly distending the sheet sandwiched therebetween to generate the signal.

REFERENCES:
patent: 3120583 (1964-02-01), Cornell
patent: 3464531 (1969-09-01), Herr et al.
patent: 3503031 (1970-03-01), Nyhus et al.
patent: 3586889 (1971-06-01), Kolter
patent: 3935485 (1976-01-01), Yoshida et al.
patent: 3940637 (1976-02-01), Ohigashi et al.

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