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Patent Searching and Data


Title:
QUICK COUPLER CONNECTION SYSTEM FOR CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/117431
Kind Code:
A1
Abstract:
The present invention relates to a quick coupler connection system for a construction machine, the connection system having an improved structure so as to automatically adjust the coupling position of an operating rod and a connecting block such that a quick coupler main body and a heavy equipment attachment device are quickly and safely coupled, and to allow a connection structure of the quick coupler main body and the attachment device to be achieved by a pin and hook coupling method in a three-point support manner such that assemblability is improved, firm connecting power can be obtained, and operating noise can be reduced.

Inventors:
KIM HO CHUL (KR)
Application Number:
PCT/KR2018/010662
Publication Date:
June 20, 2019
Filing Date:
September 12, 2018
Export Citation:
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Assignee:
DAEMO ENG CO LTD (KR)
International Classes:
E02F3/36
Foreign References:
KR101425075B12014-08-04
US20080296031A12008-12-04
JP2007085036A2007-04-05
KR101806958B12017-12-08
JP2008280798A2008-11-20
KR101043036B12011-06-21
KR101425075B12014-08-04
Other References:
See also references of EP 3725953A4
Attorney, Agent or Firm:
NAMYANG PATENT & LAW FIRM (KR)
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