Beds – Bedclothing – And means to facilitate changing thereof
Patent
1985-07-08
1987-02-17
Wayner, William E.
Beds
Bedclothing
And means to facilitate changing thereof
128400, A47C 2708
Patent
active
046428259
ABSTRACT:
A control apparatus for a clinic bed so constructed as to make the air pressurized by air pressurizing means upwardly escape through a diffuser board dotted with a number of small openings and support the human body by floating the body on a bead mattress formed with beads caused to circulate by the flow of the escaped air, the control apparatus comprising excessively high temperature detecting means for detecting the bead temperature exceeding a predetermined level and producing an excessively high temperature warning signal and load releasing means for continuously or intermittently cutting off an energizing circuit for means for driving the air pressurizing means while the excessively high temperature warning signal is produced, the improvement wherein the control apparatus further comprises operational instruction output means for giving instructions concerning energizing the means for driving the air pressurizing means while the excessively high temperature warning signal is produced, closed circuit holding means for closing and holding the energizing circuit according to the instructions, and resetting means for resetting the operation of the closed circuit holding means through reset signal output means after the closing and holding operation is performed.
REFERENCES:
patent: 3866606 (1975-02-01), Hargest
patent: 3916256 (1975-10-01), Kotani
patent: 4442885 (1984-04-01), Matsuzaki
patent: 4483029 (1984-11-01), Paul
Fuji Electric & Co., Ltd.
Wayner William E.
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