Title:
JOINT STRUCTURE OF ROBOT
Document Type and Number:
Japanese Patent JP2017196720
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an art for enhancing drip-proof performance and preventing leakage of a lubricant charged in a joint structure.SOLUTION: A joint structure for a robot 10 includes: a hollow first arm 12; a second arm 14 turnably mounted on the first arm 12; a power transmission mechanism 18 provided adjacent to the outside of the first arm 12, and having gears and an inner space Shousing the gears and charged with the lubricant; a pressure raising part 20 raising air pressure inside the first arm 12 to be higher than outside air pressure; and a check communication part 22 making the inside of the first arm 12 communicate with the inner space S, allowing gas inside the first arm 12 to flow into the inner space S, and on the other hand, preventing the lubricant in the inner space Sfrom flowing out to the inside of the first arm 12.SELECTED DRAWING: Figure 1
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Inventors:
KINOSHITA SATOSHI
TANAKA YASUYOSHI
ADACHI SATOSHI
WATANABE HIDEYUKI
TANAKA YASUYOSHI
ADACHI SATOSHI
WATANABE HIDEYUKI
Application Number:
JP2016091926A
Publication Date:
November 02, 2017
Filing Date:
April 28, 2016
Export Citation:
Assignee:
FANUC LTD
International Classes:
B25J17/00; B25J19/00
Domestic Patent References:
| JPH0775992A | 1995-03-20 | |||
| JP2003181788A | 2003-07-02 | |||
| JP2011020219A | 2011-02-03 | |||
| JP2011020247A | 2011-02-03 | |||
| JP2014133276A | 2014-07-24 |
Attorney, Agent or Firm:
Atsushi Aoki
Tetsuro Shimada
Shinji Mitsuhashi
Hirose Shigeki
Kazuo Maejima
Tetsuro Shimada
Shinji Mitsuhashi
Hirose Shigeki
Kazuo Maejima