Title:
ESCALATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2002/018259
Kind Code:
A1
Abstract:
An escalator device moving a plurality of steps (2) connected to an endless chain (8), wherein a moving path (23a) of connection parts (C1) of the steps (2) to the chain (8) is positioned on the outerside of the outer peripheral rotating path of the teeth of a sprocket (62) in a zone where the chain (8) meshes with the sprocket (62), whereby the number of teeth of the sprocket need not be set at the multiples of the number of chain pitches between the steps and the chain connection parts, and a degree of freedom for selection of the sprocket is increased, a sprocket smaller than a conventional sprocket can be used, and a thickness dimension of the escalator device can be reduced.
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Inventors:
UTSUNOMIYA HIROFUMI (JP)
SAITOH CHUICHI (JP)
GUNCHI TAKAAKI (JP)
OJIMA KAZUHIRA (JP)
SAITOH CHUICHI (JP)
GUNCHI TAKAAKI (JP)
OJIMA KAZUHIRA (JP)
Application Number:
PCT/JP2000/005946
Publication Date:
March 07, 2002
Filing Date:
August 31, 2000
Export Citation:
Assignee:
HITACHI LTD (JP)
HITACHI BUILDING SYS CO LTD (JP)
UTSUNOMIYA HIROFUMI (JP)
SAITOH CHUICHI (JP)
GUNCHI TAKAAKI (JP)
OJIMA KAZUHIRA (JP)
HITACHI BUILDING SYS CO LTD (JP)
UTSUNOMIYA HIROFUMI (JP)
SAITOH CHUICHI (JP)
GUNCHI TAKAAKI (JP)
OJIMA KAZUHIRA (JP)
International Classes:
B66B23/02; B66B23/14; B66B31/00; (IPC1-7): B66B23/02
Foreign References:
| JP2552745B2 | 1996-11-13 | |||
| JPS5211833B2 | 1977-04-02 | |||
| JPH03115084A | 1991-05-16 | |||
| JPS6260357B2 | 1987-12-16 | |||
| JPH11222370A | 1999-08-17 |
Other References:
See also references of EP 1333001A4
Attorney, Agent or Firm:
Takada, Yukihiko (Saiwai-cho 2-chome Hitachi-shi, Ibaraki, JP)
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