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US 2009/0151256 A1Published application
Basement door opener
OwnerLawrence J. Koncelik, JR.inventor
Life of this patent
Estimating the term…
Abstract
A device is provided for opening and closing a basement door leaf. The device may include a motor and a piston for pushing the door leaf open and pulling the door leaf closed in response to activation by an input device. A sensor device is provided for detecting a person's foot on a stair leading to a basement. The sensor device may cause the opening of the basement door leaf.
Claims15
An apparatus comprising:
- a basement door leaf opening and closing device;
- a first sensor device configured so that it can be mounted in relation to a first stair leading to a basement so that a person stepping on the first stair with their foot will cause activation of the first sensor device;
- and
- wherein activation of the first sensor device causes the basement door leaf opening and closing device to open a basement door leaf.
1 more element
A method comprising:
- installing a basement door leaf opening and closing device so that the basement door leaf opening and closing device can open and close a basement door leaf leading to a basement;
- installing a first sensor device in relation to a first stair leading to the basement so that a person stepping on the first stair with their foot will cause activation of the first sensor device;
- and
- configuring the first sensor device with respect to the basement door leaf opening and closing device so that the activation of the first sensor device causes the basement door leaf opening and closing device to open the basement door leaf.
1 more element
Dependencies are inferred from the claim text.