Seat cushions and body supports, and fitting instruments for the

Details Seat cushions and body supports, and fitting instruments for the Seat cushions and body supports, and fitting instruments for the

1990-03-01

1991-11-26

Tolin, Gerald P.

Electricity: circuit makers and breakers

Weight

200 86R, 2003021, 340666, H01H 302

Patent

active

050685040

ABSTRACT:
A peak pressure sensor, for insertion between a body support pad or the like and an anatomical portion supported thereon, has a envelope, pliable electrically conductive sheets on opposite inner surfaces of the envelope, conductors for connecting each sheet to an alarm circuit, and a fluid pressurizing the envelope to a predetermined internal pressure so as to normally hold apart the conductive sheets. The sheets are movable into electrical contact by sufficient pressure applied locally to any relatively small portion of a sensing area on the exterior of the envelope, thereby to detect a peak pressure on the anatomical portion in excess of the internal envelope pressure.

REFERENCES:
patent: 3718791 (1973-02-01), Szablowski
patent: 4401896 (1983-08-01), Fowler
patent: 4551713 (1985-11-01), Aossey
patent: 4565910 (1986-01-01), Musick
patent: 4617433 (1986-10-01), Hoshikawa
patent: 4845323 (1989-07-01), Beggs

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