Patent Number: 6,332,512

Title: Chair type stair elevating device

Abstract: In a chair type stair elevating device in which upper and lower rails and a rack or chain parallel to the rails are provided along the stairs, an elevating mechanism mounted on the rails is moved by a pinion or sprocket of a driving machine meshing with the rack or chain. A chair is mounted on the elevating mechanism, and the rack or chain is received in the rail in a hidden state. In this way, the rack or chain is invisible, so that the design value of the entire device improves, and it is also possible to prevent injury and soiling of clothes by the rack or chain.

Inventors: Muranaka; Masaru (Osaka, JP)

Assignee: Kumalift Co., Ltd.

International Classification: B66B 9/06 (20060101); B66B 9/08 (20060101); B66B 009/08 ()

Expiration Date: 12/25/2018