Title:
JIG FOR PULLING OUT CONNECTION PIN
Document Type and Number:
Japanese Patent JP2017222505
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To restrain a component of a jig from abutting on a pin hole when a connection pin is detached from the pin hole, and keep the length of the jig short in the axial direction of the connection pin.SOLUTION: A jig 40 for attaching/detaching a connection pin (a jig for pulling out the connection pin) comprises a cylinder 70, and a connection member 80. The cylinder 70, which is arranged on the radial outside R2 of the connection pin with respect to the connection pin 30, can be expanded/contracted. The connection member 80 is connected to the connection pin 30 and the cylinder 70. The cylinder 70 is extended so that the connection pin 30 can be pulled out with respect to a pin hole H via the connection member 80.SELECTED DRAWING: Figure 1
Inventors:
SASAOKA YOSHIO
NAKAMURA HITOSHI
NAKAMURA HITOSHI
Application Number:
JP2016121131A
Publication Date:
December 21, 2017
Filing Date:
June 17, 2016
Export Citation:
Assignee:
KOBELCO CONTSTRUCTION MACHINERY LTD
International Classes:
B66C23/26; B25B27/08; E02F3/38; E02F9/00; F16B21/12
Domestic Patent References:
| JP2010185243A | 2010-08-26 | |||
| JP2011256961A | 2011-12-22 | |||
| JPS4864900U | 1973-08-17 | |||
| JPH07223796A | 1995-08-22 |
Foreign References:
| EP2581500A1 | 2013-04-17 |
Attorney, Agent or Firm:
Kaji/Suhara Patent Office
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