Title:
HOOK-EQUIPPED WORK TOOL LINK AND CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/211623
Kind Code:
A1
Abstract:
A hook (2) has a hook part (2a) and is supported by a link member (1) so as to be movable between a fixation position and a fixation release position. A pin (7) is shaped so as to extend in a longitudinal direction (LD), and is capable of moving between a lock position, at which the pin is inserted in the hook part (2a) of the hook (2) situated at the fixation position by the pin being moved in the longitudinal direction (LD) with respect to the link member (1), and a lock release position, at which the pin is out of the hook part (2a). An elastic member (6) biases the pin (7) so as to be in the lock position. An operating plate (5) is mounted to the pin (7) and, by coming into contact with the link member (1), restrains prevents the pin (7) from moving from the lock position to the lock release position.
Inventors:
GEJO WATARU (JP)
SAWADA HIROSHI (JP)
SHINKAWA KOUSHI (JP)
SAWADA HIROSHI (JP)
SHINKAWA KOUSHI (JP)
Application Number:
PCT/JP2017/018520
Publication Date:
November 22, 2018
Filing Date:
May 17, 2017
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
B66C1/68; E02F3/36
Foreign References:
| JP2001226078A | 2001-08-21 | |||
| KR20050111861A | 2005-11-29 | |||
| CN201016175Y | 2008-02-06 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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