Title:
ATTACHMENT MOUNTING JIG OF CONSTRUCTION MACHINE, AND CONSTRUCTION MACHINE
Document Type and Number:
Japanese Patent JP2019157545
Kind Code:
A
Abstract:
To make regulation mechanism regulating opening operation, opening angle and the like of a movable jaw portion to a fixed jaw portion unnecessary, and to store a connection pin respectively in pin storage portions of a fixed jaw portion and a movable jaw portion.SOLUTION: An attachment mounting jig includes a movable jaw portion side connection pin guide face 1b39 and an excessive closure preventing portion 1d1. The movable jaw portion side connection pin guide face 1b39 guides a movable jaw portion side connection pin 2b so as to be stored in a movable jaw portion side pin storage portion 1b30. The excessive closure preventing portion 1d1 prevents excessive closure of a movable jaw portion 1b with respect to a fixed jaw portion 1a so that the movable jaw portion side connection pin 2b abuts to the movable jaw portion side connection pin guide face 1b39 even for a movable jaw portion side connection pin 2b with minimum or maximum pin interval among various attachments mounted in the construction machine, after storing a fixed jaw portion side connection pin 2a in a fixed jaw portion side pin storage portion 1a30, and when making the movable jaw portion 1b move near the movable jaw portion side connection pin 2b by operation of an operation arm 3a of the construction machine and the like and making the movable jaw portion side pin storage portion 1b30 store the movable jaw portion side connection pin 2b.SELECTED DRAWING: Figure 5
Inventors:
MARUYAMA TAKASHI
MARUYAMA MITSURU
YOSHIDA TOSHIO
NAMBU NAOTO
MARUYAMA MITSURU
YOSHIDA TOSHIO
NAMBU NAOTO
Application Number:
JP2018047417A
Publication Date:
September 19, 2019
Filing Date:
March 15, 2018
Export Citation:
Assignee:
MARUYAMA TAKASHI
International Classes:
E02F3/40
Domestic Patent References:
| JP2015017484A | 2015-01-29 | |||
| JP3030543U | 1996-11-01 | |||
| JP2011231505A | 2011-11-17 |
Foreign References:
| US4295287A | 1981-10-20 |
Attorney, Agent or Firm:
Shigeo Nakajima