Title:
BICYCLE, FRAME SYSTEM, AND NON-NEUTRAL GEARBOX
Document Type and Number:
WIPO Patent Application WO/2022/268074
Kind Code:
A1
Abstract:
A non-neutral gearbox. The non-neutral gearbox comprises a box body, and a biaxial multi-stage gear transmission mechanism and a cable shift mechanism (2r) for controlling gear switching of the biaxial multi-stage gear transmission mechanism that are provided on the box body; the biaxial multi-stage gear transmission mechanism is composed of a bottom bracket (2h), a layshaft (2i), an end face clutch pawl sleeve (2f), normally meshed gear pairs (2d), and a shift fork (2e); and there are 2-10 pairs of normally meshed gear pairs (2d) having different gear ratios. The shift mode of the non-neutral gearbox is simpler, more reliable, and more stable, and the installation of the non-neutral gearbox is more secure. A frame system comprising the non-neutral gearbox and a bicycle comprising the frame system.
More Like This:
Inventors:
SHI ZONGZE (CN)
Application Number:
PCT/CN2022/100129
Publication Date:
December 29, 2022
Filing Date:
June 21, 2022
Export Citation:
Assignee:
SHI XINGYUN (CN)
International Classes:
B62M25/04; B62K19/30; B62M11/06; F16H3/087
Foreign References:
| CN113799908A | 2021-12-17 | |||
| CN216185789U | 2022-04-05 | |||
| CN113803422A | 2021-12-17 | |||
| CN101966864A | 2011-02-09 | |||
| CN101979273A | 2011-02-23 | |||
| CN201882224U | 2011-06-29 | |||
| CN201849635U | 2011-06-01 | |||
| KR101782895B1 | 2017-09-28 | |||
| US20120028751A1 | 2012-02-02 |
Attorney, Agent or Firm:
CHONGQING QINGFEI INTELLECTUAL PROPERTY LLC (CN)
Download PDF: