| 摘要 |
PROBLEM TO BE SOLVED: To provide a pet entrance which is applicable to a door with any one of a variety of thicknesses and has an opening which can be inexpensively and easily produced and set without relying on the outside supplier. SOLUTION: The pet entrance is made up of an external peripheral frame 2, an internal peripheral frame 1, and a door body 3. The external peripheral frame 2 is integrally formed of a guide groove (b) which guides a blade for forming an opening 9a for a pet entrance in a door 9 or the like, and an external frame (c) and an internal frame (d) constituting the groove (b). The internal peripheral frame 1 is installed on a surface facing the external peripheral frame 2 across the door 9, and masks an opening cross section of the door 9. The internal peripheral frame 1 is formed of a marginal frame having an almost cylindrical frame (e) which is slidably fitted into the internal side of the external peripheral frame 2. The door body 3 which is of a swingingly opening type is arranged at an end within the marginal frame opening. Further, a detachable fixed panel 5, an installing portion (h) for the fixed panel, and a storing portion (i) are provided on one side of the marginal frame. A contact surface member (m) with the opening 9a of the door 9 is formed so as not to protrude from the door 9 surface in excess of the width of the door 9.
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