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Automated garage door closer

  • US 6,563,278 B2
  • Filed: 12/28/2000
  • Issued: 05/13/2003
  • Est. Priority Date: 07/22/1999
  • Status: Expired due to Fees
First Claim
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1. An automatically controlled garage door closer device for installation on a garage having a door opening and a garage door with an upper edge and a lower edge, a reversible electric motor providing motive power to move the door between open and closed positions on a pair of parallel tracks, and sensor means adjacent the lower edge of the door opening providing a beam projected across the opening, said device acting to automatically close the door if said door is inadvertently left open after a vehicle enters or exits the garage and comprises a switch housing adapted to be mounted on one of said tracks guiding the door between open and closed positions adjacent the final open position of the door, a switch within the housing having a flexible finger extending beyond the housing and into the path of the upper door edge, and a second housing containing said sensor means and a control circuit including timer means operatively connected to the motive power for the garage door for energization of the door closer once a predetermined period of time has elapsed after the door is opened, relay means operated by the timer once the predetermined time period has elapsed to automatically close the door, and means to interrupt the timer cycle upon breaking of the sensor beam, wherein if the sensor beam is interrupted before the predetermined time cycle is completed for closing the relay, the device is inactivated and reactivation of said timing circuit only occurs when the door is closed for a predetermined period of time.

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