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Wireless pneumatic safe device

  • US 20060028157A1
  • Filed: 08/03/2004
  • Published: 02/09/2006
  • Est. Priority Date: 08/03/2004
  • Status: Abandoned Application
First Claim
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1. A wireless pneumatic safe device comprising:

  • an actuated tube adapted to be mounted on a lower edge of an electric rolling door, the actuated tube made of flexible material and having a closed chamber longitudinally defined therein;

    a hose having a first end secured on the actuated tube and communicating with the chamber in the actuated tube;

    a control unit adapted to be mounted on the electric rolling door near the actuated tube, the control unit having a housing, a pneumatic sensor, a circuit board and a battery respectively received in the housing and electrically connected to one another, the hose having a second end connected to the pneumatic sensor for transmitting a compressed air from the actuated tube to the pneumatic sensor, a radio transmitter electrically mounted on the circuit board for wirelessly transmitting a disconnection signal/a reversal signal when the circuit board receiving check signal from the pneumatic sensor, a cover detachably mounted to the housing for closing the housing; and

    a radio receiver adapted to be mounted to and electrically connected to a motor of the electric rolling door, the radio receiver adapted to transmit a disconnection order/a reversal order to the motor of the electric rolling door for stopping/reversely operating the electric rolling door for achieving a purpose of safety when receiving the disconnection signal/the reversal signal from the radio transmitter.

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