Title:
POSITION CONTROL DEVICE OF CRANK ARM OF BICYCLE
Document Type and Number:
WIPO Patent Application WO/2011/096633
Kind Code:
A2
Abstract:
The present invention relates to a position control device. More particularly, a position control device of a bicycle crank arm may reduce the size of a foldable bicycle via a controlled crank arm. The position control device of a bicycle crank arm according to the present invention comprises: a stay-crank arm connected to a crank shaft of a bicycle so as to rotate; a crank arm of which one end is hinge-coupled with the stay-crank arm and the other end is connected to the pedal of the bicycle and which has a coupling hole formed at one side for a locking device so as to control a locking position with respect to the stay-crank arm; the locking device inserted into the coupling hole for locking or releasing the crank arm; a spring clip for preventing the deviation of the crank arm in the state in which the crank arm is hinge-coupled with the stay-crank arm. The stay-crank arm is formed with a plurality of position-control holes which are separated from each other at a predetermined interval, wherein the locking device is coupled in any one hole of the plurality of position-control holes so as to lock the crank arm.
Inventors:
YEOM DONG HWAN (KR)
Application Number:
PCT/KR2010/007681
Publication Date:
August 11, 2011
Filing Date:
November 03, 2010
Export Citation:
Assignee:
YEOM DONG HWAN (KR)
SS AUTOMOTIVE ENGINEERING CO LTD (KR)
SS AUTOMOTIVE ENGINEERING CO LTD (KR)
International Classes:
B62M3/00; B62K15/00
Domestic Patent References:
| WO2004048188A1 | 2004-06-10 |
Foreign References:
| JP2004136886A | 2004-05-13 | |||
| KR200400684Y1 | 2005-11-08 | |||
| EP1661803A2 | 2006-05-31 | |||
| JPS50114052U | 1975-09-17 | |||
| JPS63133488U | 1988-08-31 |
Attorney, Agent or Firm:
PARK, Yang-ho et al. (KR)
박양호 (KR)
박양호 (KR)
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Claims: