Pet door
AssigneeGraham Watt & Company
InventorAlister Peter Reid
Life of this patent
Estimating the term…
Abstract
A pet door having a pair of bolt assemblies with bolts (28) mounted in a frame having an aperture (6) in which a door flap (18) is pivotably mounted. The bolts (28) are extendable into the door flap (18) and retractable into the frame (2) to lock and unlock the pet door, respectively. A bolt mechanism controller (50) is arranged to unlock the pet door on detection of a pet carrying the correct key transmitter (66) and to relock the pet door a user adjustable predetermined time after unlocking the pet door. This provides a pet door which can be used to automatically permit entry to a selected pet while using a robust bolt (28) of especial application to larger pet doors such as dog doors.
Claims18
A selectively operable pet door including a door flap pivotably mounted in an aperture of a frame, a bolt mechanism mounted in the frame which includes a bolt moveable between a locked condition in which the door flap is bolted against opening in both a forward direction and a reverse direction and an unlocked position in which the door is free to be opened, and a bolt mechanism controller which includes means for detecting a pet permitted to pass through the pet door and which is arranged to move the bolt mechanism to the unlocked condition on detecting the presence of such a pet and to automatically move the bolt mechanism back to the locked condition after a predetermined time period and which further includes a user accessible adjustment means for adjusting said predetermined time period.
A selectively operable pet door comprising:
- a door flap pivotably mounted in an aperture of a frame;
- a bolt mechanism mounted in the frame which includes a bolt movable between a locked condition in which the door flap is bolted against opening in both a forward direction and a reverse direction and an unlocked condition in which the door flap is free to be opened;
- and
- a bolt mechanism controller configured to move said bolt mechanism between said locked condition and said unlocked condition, said bolt mechanism controller including a detection device activatable by a key adapted to be worn by a pet, wherein said bolt mechanism controller is configured to move the bolt mechanism to the unlocked condition on detecting the presence of said key and to automatically move the bolt mechanism back to the locked condition a predetermined time after being moved to the unlocked condition, said bolt mechanism controller further including a user accessible adjustment means for adjusting said predetermined time period.
Dependencies are inferred from the claim text.