To provide a shelf board lifting device capable vertically moving a plurality of shelf boards, particularly, the shelf board lifting device capable of maintaining a horizontal state of the shelf boards over a long period while preventing breaking of a member for connecting mutually respective shelf boards.
This shelf board lifting device 100 built in a tableware storage 1 lifts and lowers the plurality of shelf boards 4 mutually connected by a connecting chain member 104 by winding or pulling out a shelf board suspending wire 102 by a lifting driving mechanism 120. The connecting chain member 104 constituted by circularly connecting a plurality of ring members 104a, connects the respective shelf boards 4 by inserting an installation pin 111 formed on the shelf boards 4 into a certain ring member 104a.
HIRAMATSU SHINYA
FUJITA AKIO
Hiroto Tanaka
Patent Business Corporation Cosmos Patent Office
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