Pneumatic mat with safety apparatus

Details Pneumatic mat with safety apparatus Pneumatic mat with safety apparatus

1989-11-07

1991-05-14

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5455, 5 72, A47C 2708, A61G 7005

Patent

active

050143786

ABSTRACT:
A pneumatic bed having an inflatable member, a fixed member, a valve, and an element having a port in which the valve is seated. This element normally confines inflation gas supplied to the inflatable member, and is normally movable with respect to the fixed member upon inflation of the inflatable member. A flexible member is also provided which extends between the fixed member and the valve, for unseating the valve when the element is moved beyond a predetermined point with respect to the fixed member, when the inflatable member is inflated beyond a predetermined limit.

REFERENCES:
patent: 4099276 (1978-07-01), Hunt et al.
patent: 4625348 (1986-12-01), Renggli et al.
patent: 4782542 (1988-11-01), Sato

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