Patent ID: 9284773
Filing Date: 2016-03-15
CPC Classification: E05F,E05Y,E06B

Claim Text:
1. A pet door system for allowing pets to enter and exit a building, the building having an opening, the pet door system comprising: a pet door having a top edge, a pair of side edges, and a bottom edge, the pet door pivotally mounted within the opening; an aperture formed in the top edge and extending into a top portion of the pet door; a groove extending from along each side of the aperture; a plunger moveable into and out of the aperture, the plunger riding in the groove when out of the aperture; a solenoid for moving the plunger into and out of the aperture; activation means for activating the solenoid; wherein upon the activation means being positioned within a predetermined distance from the pet door, the solenoid causes the plunger to automatically unlock the pet door allowing the pet door to pivot within the opening; and wherein upon the activation means being positioned outside the predetermined distance from the pet door, the solenoid causing the plunger to automatically lock the pet door preventing the pet door from pivoting within the opening.