B - Operations – Transporting – 25 – J
Patent
B - Operations, Transporting
25
J
294/8
B25J 19/00 (2006.01)
Patent
CA 1304766
ABSTRACT A balance mechanism of an industrial robot is provided with a first balance mechanism for a first arm which is swingably mounted to a stand of the robot and a second balance mechanism for a second arm which is swingably mounted to a distal end of the first arm. The first balance mechanism includes a flexible coupling device such as, for example, a chain, led through a guide, which couples between a coupling element of a coupling member which is mounted to a center of angular movement of a proximal end of the first arm and a spring having one end fixed to the stand and which is moved in the direction of deformation when the first arm is angularly moved. The second balance mechanism includes a counterbalancer disposed in the opposite side to an operation side of the second arm and a center of angular movement of the first arm constitutes a fulcrum. The balance mechanisms can be applied to the robot without exchanging parts greatly even if the robot is installed in any position.
575541
Okumura Hiroshi
Tsubota Toshio
Yoshida Mitsutoshi
Fetherstonhaugh & Co.
Mitsubishi Jukogyo Kabushiki Kaisha
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