JPH043058U - - Google Patents

Description

[Brief explanation of drawings]

Figure 1 is a piping diagram of an embodiment of the present invention, Figure 2 is a perspective view of the same as the above, Figure 3 is an exploded perspective view of the same as the above, Figure 4 is a perspective view of the pneumatic control section of the same as the above, and Figure 5 is the same as the above. 6 is a piping diagram of another embodiment, FIG. 7 is a piping diagram of yet another embodiment, FIGS. 8a and b are sectional views of the conventional example, and FIG. 9 is a piping diagram of another embodiment. It is a sectional view of a conventional example, and 10 is an air mat, 30 is a pump, and 32
indicates a solenoid valve, and 37 indicates a pressure sensor.

Claims (1)

[Scope of utility model registration request] A plurality of air mats that independently support different parts of the human body, a pump that supplies air to these air mats, and a plurality of solenoid valves that are provided between the pump and each air mat, corresponding to each air mat; A plurality of pressure sensors detect the pressure of each air mat, an operation device is used to set the hardness of each air mat, and the output of each pressure sensor is compared with the pressure corresponding to the hardness set by the operation device, An air pintress characterized by comprising a control circuit that controls each solenoid valve.