Pressure-responsive electric switch

Details Pressure-responsive electric switch Pressure-responsive electric switch

1978-05-11

1981-02-10

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Electric switch in the supply circuit

200 81H, 200 83Z, 200 86A, 307144, 340573, H01H 3524, H05B 3700

Patent

active

042504341

ABSTRACT:
A pressure-responsive electric switch assembly provided with an elongated pneumatic tube of elastomeric foam material impermeable to air, one end of the tube being plugged and the other having a sleeve therein whose inner end is covered by a membrane to thereby seal the tube. The tube has a relatively thick, deformable wall whereby a slight manual pressure applied thereto gives rise to a substantial change in the internal volume of the sealed tube to dilate the membrane. A microswitch disposed within the sleeve has an actuating element operatively coupled to the membrane such that when manual pressure is applied to the tube, the switch is actuated.

REFERENCES:
patent: 2783325 (1957-02-01), Luckey
patent: 2795668 (1957-06-01), Puckett
patent: 3260812 (1966-07-01), Miller
patent: 3781843 (1973-12-01), Harrison et al.

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