Door position indicator
AssigneeAdtec Incorporated
InventorsDean C. Price, Quentin H. Young
Life of this patent
Estimating the term…
Abstract
A door position indicator for indicating when the door is open or ajar from the doorjamb comprises a proximity switch which is adjustably mounted on the frame leaf attached to the doorjamb. An actuator is adjustably mounted on the door leaf attached to the door and positioned thereon for alignment with the proximity switch when the door is closed. The indicator also comprises a spring which urges the actuator toward the proximity switch when the actuator and switch are aligned.
Claims14
A device for indicating the opened and closed position of a door relative to its associated jamb which comprises:
- a frame leaf formed with an extention, said frame leaf being fixedly mounted on said jamb;
- a proximity switch changeable between an ON and an OFF condition and fixedly positioned on said frame leaf;
- a door leaf fixedly mounted on said door;
- and
- an actuator adjustably mounted on said door leaf for movement therewith into proximity with said switch to activate said switch into an ON condition when said actuator is in proximity with said switch and for adjustable movement on said door leaf into alignment with said switch upon contact of said actuator with said extension.
A door hinge assembly for indicating when the door is ajar from its associated jamb which comprises:
- a door leaf with a knuckle, said door leaf being fixedly mounted on said door;
- a frame leaf with a knuckle having an extension, said frame leaf being fixedly mounted on said jamb;
- an actuator adjustably mounted on said knuckle of said door leaf, said actuator being movable upon contact with said extension;
- and
- a proximity switch fixedly positioned in said knuckle of said frame leaf and responsive to the proximity of said actuator to indicate when the door is ajar.
Dependencies are inferred from the claim text.