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Patent Searching and Data


Title:
EXCAVATOR ATTACHMENT COUPLING LINK
Document Type and Number:
WIPO Patent Application WO/2020/032293
Kind Code:
A1
Abstract:
According to an embodiment, an excavator attachment coupling link may comprise: a cover portion (110) having a pair of boom link coupling shafts (120, 120a) coupled thereto horizontally, the boom link coupling shafts (120, 120a) being coupled to boom links (13, 13a) of an excavator (10); a fixed ring (130) fixed/coupled to the lower end of one side of the cover portion (110) such that same is coupled to a first connecting rod (21) of an attachment (20) in an attachable/detachable manner; a rotating ring (140) rotatably coupled to the lower end of the other side of the cover portion (110) by a rotating ring rotating shaft (142) such that same is coupled to a second connecting rod (23) of the attachment (20) in an attachable/detachable manner; a connecting rod detachment preventing lever (160) rotatably coupled to the upper end of the fixed ring (130); and an operating cylinder portion (170) provided between the fixed ring (130) and the rotating ring (140) so as to adjust the angle of rotation of the rotating ring (140) such that the second connecting rod (23) is attached to/detached from the rotating ring (140), the operating cylinder portion (170) adjusting the angle of rotation of the connecting rod detachment preventing lever (160) such that, by adjusting the interval between the connecting rod detachment preventing lever (160) and the fixed ring (130), the first connecting rod (21) is prevented from detaching from the fixed ring (130).

Inventors:
JANG JUNG SU (KR)
Application Number:
KR2018/009106
Publication Date:
February 13, 2020
Filing Date:
August 09, 2018
Export Citation:
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Assignee:
JANG JUNG SU (KR)
International Classes:
E02F3/36
Foreign References:
KR101033020B12011-05-09
KR101760860B12017-07-24
KR20180042519A2018-04-26
KR20160142387A2016-12-12
KR20170034742A2017-03-29
Attorney, Agent or Firm:
KIM, Dong Jin (KR)
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