Title:
DRIVING DEVICE SUITABLE FOR HAND STRAP AT LOWER END OF ESCALATOR AND ESCALATOR
Document Type and Number:
WIPO Patent Application WO/2020/238431
Kind Code:
A1
Abstract:
Provided are a driving device (2) suitable for a hand strap (1) at the lower end of escalator and an escalator, wherein the driving device (2) comprises a transition sprocket (11), a minor sprocket (14) arranged on a step sprocket (15) and a drive sprocket (9) arranged on a rotating wheel (16) at the end of a handrail, the transition sprocket (11), the minor sprocket (14) and the drive sprocket (9) are positioned on the same side of the escalator, a first drive chain (10) is arranged between the transition sprocket (11) and the drive sprocket (9), a second drive chain (12) is arranged between the transition sprocket (11) and the minor sprocket (14). The structural design of the driving device (2) is reasonable, and does not require extra power source, the driving device (2) is powered by the rotating step sprocket (15), the hand strap (1) has good synchronism and low fault rate.
Inventors:
SUN SHICHANG (CN)
LU XIAOLAN (CN)
HAO ZHIQI (CN)
ZHOU BIN (CN)
LU XIAOLAN (CN)
HAO ZHIQI (CN)
ZHOU BIN (CN)
Application Number:
PCT/CN2020/083938
Publication Date:
December 03, 2020
Filing Date:
April 09, 2020
Export Citation:
Assignee:
SJEC CORP (CN)
International Classes:
B66B23/06; B66B23/20
Foreign References:
| CN110217681A | 2019-09-10 | |||
| CN110228747A | 2019-09-13 | |||
| CN107021411A | 2017-08-08 | |||
| CN107021411A | 2017-08-08 | |||
| CN203781604U | 2014-08-20 | |||
| CN103086242A | 2013-05-08 | |||
| JP2006256817A | 2006-09-28 |
Attorney, Agent or Firm:
SUZHOU CREATOR PATENT AND TRADEMARK AGENCY, LTD. (CN)
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