Patent ID: 9405264
Filing Date: 2016-08-02
CPC Classification: A47B,G03G

Claim Text:
1. A fall prevention device configured to prevent an installation object from falling over by supporting a leg member including a base portion and a shaft portion when an installation surface oscillates, the base portion being in contact with the installation surface, the shaft portion connecting the base portion and a bottom portion of the installation object to each other and having a diameter that is smaller than a diameter of the base portion, the fall prevention device comprising: a support member provided on the installation surface; a first restricting member provided on the support member and comprising a first restricting body portion disposed above an upper surface of the base portion, the first restricting body portion comprising a first shaft-penetrating portion through which the shaft portion penetrates; a second restricting member disposed above the first restricting member, and comprising a second shaft-penetrating portion through which the shaft portion penetrates; and an adjustable member attached to the shaft portion, wherein a top surface of the first restricting member does not contact to a bottom surface of the second restricting member at a position near the first shaft-penetrating porting of the first restricting member and the second shaft-penetrating portion of the second restricting member, and wherein a gap disposed between the second shaft-penetrating portion and the adjustable member along an extending direction of the installation surface is smaller than a gap disposed between the first shaft-penetrating portion and the shaft portion.