Invention Grant
- Patent Title: Quick-release device for use on a bicycle
- Patent Title (中): 用于自行车的快速释放装置
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Application No.: US13517857Application Date: 2012-06-14
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Publication No.: US09120349B2Publication Date: 2015-09-01
- Inventor: Chin-Chao Chang
- Applicant: Chin-Chao Chang
- Main IPC: B60B35/04
- IPC: B60B35/04 ; B60B27/02

Abstract:
A quick-release device for use on a bicycle includes a lever, an axle rotatably received in the lever, a shaft extending through the axle, a force device sleeved on the shaft, at least one spring sleeved on the shaft and a nut screwed onto the shaft. The axle includes an indentation defined therein and a first abutment formed on a bottom of the indentation. The shaft includes a shank and a head formed one end of the shank such that a second abutment is formed between the shank and the head. The head is received and engaged in the indentation such that the shank can not be rotated relative to the axle and the connected of the quick-quick device in promoted.
Public/Granted literature
- US20130334871A1 QUICK-RELEASE DEVICE FOR USE ON A BICYCLE Public/Granted day:2013-12-19
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