Title:
キャスターのストッパー装置
Document Type and Number:
Japanese Patent JP2012532050
Kind Code:
A
Abstract:
Provided is a stopper apparatus for a roller wheel in which a braking force is not created by an adhesion of a push plate with respect to the surface of a roller wheel, but is generated by a stopper wheel that is connected with the roller wheel, to thereby make a rolling operation of the roller wheel stopped by a stop operation of the stopper wheel, and to thus solve a problem of a conventional braking device that is caused by a surface frictional force of the roller wheel, and a braking operation is also performed and released by a locking and unlocking operations between a locking key and the stopper wheel, to thereby enhance a braking capability, increase a convenience of use, and allow the roller wheel to be easily braked by simple manipulation.
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Inventors:
Park Munhwan
Application Number:
JP2012517415A
Publication Date:
December 13, 2012
Filing Date:
July 02, 2010
Export Citation:
Assignee:
Park Munhwan
International Classes:
B62B5/04; B60B33/00
Domestic Patent References:
| JPH0647003U | 1994-06-28 | |||
| JPH09315104A | 1997-12-09 | |||
| JPH03178804A | 1991-08-02 | |||
| JPS63203402A | 1988-08-23 | |||
| JPH0647003U | 1994-06-28 | |||
| JPH09315104A | 1997-12-09 |
Foreign References:
| KR19990025268A | 1999-04-06 | |||
| US1671774A | 1928-05-29 | |||
| US3002589A | 1961-10-03 | |||
| GB2457787A | 2009-09-02 | |||
| GB807657B | ||||
| GB2204484A | 1988-11-16 | |||
| GB807657A | 1959-01-21 | |||
| KR19990025268A | 1999-04-06 | |||
| US1671774A | 1928-05-29 |
Attorney, Agent or Firm:
IPD International Patent Business Corporation