US 12,187,581 B2
Guide rail device for elevator
Nobuhito Funai, Tokyo (JP)
Assigned to MITSUBISHI ELECTRIC BUILDING SOLUTIONS CORPORATION, Tokyo (JP)
Filed by Mitsubishi Electric Building Solutions Corporation, Tokyo (JP)
Filed on Nov. 8, 2023, as Appl. No. 18/387,869.
Claims priority of application No. 2023-047924 (JP), filed on Mar. 24, 2023.
Prior Publication US 2024/0317544 A1, Sep. 26, 2024
Int. Cl. B66B 7/02 (2006.01)
CPC B66B 7/024 (2013.01) [B66B 7/026 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A guide rail device for an elevator, comprising:
a guide rail main body that is installed in a hoistway, includes a plurality of rail members joined together in an up-and-down direction, and is configured to guide vertical movement of a vertically movable body;
a fishplate configured to couple two of the plurality of rail members, the two rail members being adjacent to each other in the up-and-down direction; and
a plurality of fixing bodies configured to fix the guide rail main body to a building,
wherein the hoistway has a flexible structure, and
wherein, when a fixing body that is the closest to the fishplate among the plurality of fixing bodies is referred to as a first fixing body, a fixing body that is the second closest to the fishplate is referred to as a second fixing body, and a distance between a position of the first fixing body and a position of the second fixing body in a vertical direction is referred to as a rail fixing distance, a distance from the position of the first fixing body to a position of the fishplate in the vertical direction is one-third or less of the rail fixing distance.