| CPC B65G 1/026 (2013.01) [B65G 1/023 (2013.01); B65G 1/0457 (2013.01); B65G 1/08 (2013.01); B65G 2201/025 (2013.01); E05B 47/0001 (2013.01)] | 8 Claims |
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1. A delivery shelf system comprising:
a shelf extending from an exterior of a building to an interior thereof; and
a returnable box configured to be stored and slidably supported in the shelf, wherein
upon the returnable box being delivered, it can be pushed from outside the building into the shelf, and the returnable box stored in the shelf can be pulled out from the shelf from inside the building, and wherein
a first recessed part is provided in an indoor-side end part of the returnable box and a second recessed part is provided in an outdoor-side end part thereof, the indoor-side end part being an end part of the returnable box that is positioned on an indoor side when the returnable box is stored in the shelf,
a locking mechanism including a projecting part is provided at the indoor-side end part of the shelf, the projecting part being configured to be pressed and inserted into the first recessed part or into the second recessed part,
the projecting part is inserted into the first recessed part while the returnable box is stored in the shelf, so that the returnable box is locked to the shelf, and
when the projecting part is retracted from the first recessed part by releasing the locking and the returnable box is pulled out from the shelf into inside the building, the projecting part is inserted into the second recessed part and the pulled-out returnable box is thereby stopped,
the second recessed part is inclined with respect to an upper surface of the returnable box toward an indoor side.
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