Patent ID: 9723806
Date: 2017-08-08
CPC Classifications: A01K,E06B

Claim:
1. A door assembly for an exercise pen for accommodating an animal, comprising: a frame structure having a plurality of interconnected horizontal and vertical wires that define an opening for the animal to pass therethrough, the frame structure including a vertical pivot wire, and at least one of the horizontal wires forms an upright hook disposed inside the defined opening; a first door having a plurality of interconnected horizontal and vertical wires, where each of the plurality of horizontal wires includes a curled end that defines an opening for receiving the vertical pivot wire such that the first door is pivotable about and vertically slideable about the vertical pivot wire; and a second door having a plurality of interconnected horizontal and vertical wires, where each of the plurality of horizontal wires includes a curled end that defines an opening for receiving the vertical pivot wire such that the second door is pivotable about and vertically slideable about the vertical pivot wire; wherein, at least one horizontal wire of the first door and at least one horizontal wire of the second door are directly coupled to the upright hook formed by the at least one horizontal wire of the frame structure.