Title:
ROBOT ARM COUPLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/012842
Kind Code:
A1
Abstract:
[Problem] To provide a robot arm coupling device configured so that a hydraulic pressure supply pipe, electric cable, etc., can be disposed in the central portion of a master plate and tool plate and do not protrude to the outside of the master plate and tool plate. [Solution] A locking mechanism (6) of a robot arm coupling device (1) is provided with: an engagement recess (3a) formed in a master plate (3); an engagement protrusion (4a) formed on a tool plate (4) so as to be insertable in the engagement recess (3a); multiple steel balls (16) that are fitted in the circumferential wall (15) of the engagement recess (3a) and can be switched between a locked position of engagement with an annular engagement part (4c), which is formed on the engagement protrusion (4a), and a disengaged unlocked position; and an annular hydraulic pressure cylinder (20) that is able to switch the multiple steel balls (16) from the unlocked position to the locked position. A space for disposing a hydraulic pressure supply pipe and electric cable is formed to the inside of the multiple steel balls (16) and the hydraulic pressure cylinder (20).
Inventors:
TAKAHASHI TAKUYA (JP)
Application Number:
PCT/JP2018/020921
Publication Date:
January 17, 2019
Filing Date:
May 31, 2018
Export Citation:
Assignee:
PASCAL ENG CORP (JP)
International Classes:
B25J15/04
Domestic Patent References:
| WO2004113031A1 | 2004-12-29 |
Foreign References:
| JP2002200585A | 2002-07-16 | |||
| JPH07223187A | 1995-08-22 | |||
| JPH06190760A | 1994-07-12 | |||
| JP2009023050A | 2009-02-05 | |||
| JP2015213964A | 2015-12-03 |
Other References:
See also references of EP 3653351A4
Attorney, Agent or Firm:
OKAMURA, Toshio (JP)
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