Title:
ARM STRUCTURE OF AN INDUSTRIAL ROBOT
Document Type and Number:
WIPO Patent Application WO/1987/007554
Kind Code:
A1
Abstract:
An arm structure of an industrial robot comprising a first robot arm (16) supported at the upper end of a robot-elevating shaft (14) of an industrial robot, and a second robot arm (20) which is pivotably attached via a transmission/reduction gear box (18) fixed to the tip of the first robot arm (16). A plurality of coupling bolts (22) whose ends (22b) on one side are fastened to a flange (18b) of the transmission/reduction gear (18) are permitted to penetrate through the first robot arm (16) and to protrude as designated at (22a) beyond the rear end of the first robot arm (16) and engage therewith. Clamping nuts (24) are engaged with engaging ends (22a or 22b) of at least either side of the coupling bolts (22), and the first robot arm (16) and the transmission/reduction gear box (18) are coupled together while in advance imparting compressive force to the first robot arm (16).
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Inventors:
TORII NOBUTOSHI (JP)
NIHEI RYO (JP)
TERADA AKIHIRO (JP)
NIHEI RYO (JP)
TERADA AKIHIRO (JP)
Application Number:
PCT/JP1987/000352
Publication Date:
December 17, 1987
Filing Date:
June 03, 1987
Export Citation:
Assignee:
FANUC LTD (JP)
International Classes:
B25J9/00; B25J9/04; B25J9/06; B25J18/00; (IPC1-7): B25J9/06; B25J18/00
Foreign References:
| JPS58188193U | 1983-12-14 | |||
| JPS59176785U | 1984-11-26 | |||
| JPH0532654A | 1993-02-09 |
Other References:
See also references of EP 0271585A4
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