Title:
JOYSTICK FOR CONSTRUCTION EQUIPMENT HAVING COOLING FUNCTION
Document Type and Number:
WIPO Patent Application WO/2014/104417
Kind Code:
A1
Abstract:
The present invention relates to a joystick for construction equipment having a cooling function, and the joystick for construction equipment which has a remote control valve on a lower part thereof comprises: a joystick body which is formed on an upper part of the remote control valve, and which is movably provided according to an operation of an operator; a cooling fan which is provided between the joystick body and the remote control valve, and which rotates according to an operation of an on/off switch; a main air passage which is formed inside the joystick body; a plurality of auxiliary air passages which communicate with the main air passage, and which are formed in a radial direction of the main air passage; and an outlet which is formed at the end of the plurality of auxiliary air passages and discharges air introduced by the cooling fan to the outside of the joystick body.
Inventors:
MIN GYEONG-MO (KR)
LEE SANG-PIL (KR)
LEE SANG-PIL (KR)
Application Number:
PCT/KR2012/011364
Publication Date:
July 03, 2014
Filing Date:
December 24, 2012
Export Citation:
Assignee:
VOLVO CONSTR EQUIP AB (SE)
MIN GYEONG-MO (KR)
LEE SANG-PIL (KR)
MIN GYEONG-MO (KR)
LEE SANG-PIL (KR)
International Classes:
E02F9/22; G06F3/033
Foreign References:
| KR200199046Y1 | 2000-10-02 | |||
| KR970074474A | 1997-12-10 | |||
| KR20020017126A | 2002-03-07 | |||
| JP2012043387A | 2012-03-01 | |||
| US20120154278A1 | 2012-06-21 |
Attorney, Agent or Firm:
YOON, Eui-Seoup (KR)
윤의섭 (KR)
윤의섭 (KR)
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