Machine element or mechanism – Control lever and linkage systems – Multiple controlling elements for single controlled element
Patent
1996-02-28
1997-04-22
Bonck, Rodney H.
Machine element or mechanism
Control lever and linkage systems
Multiple controlling elements for single controlled element
414917, 901 15, B25T 904, B25T 1800
Patent
active
056220847
ABSTRACT:
The invention relates to an industrial robot with two lower robot arms directed upwards from a fixed robot stand, the robot arms at their lower end being pivotably journalled in the stand around horizontal axes and at their upper end being pivotably interconnected by a yoke in such a way that a four-bar linkage is formed. The linkage is provided with a first driving unit. An upper robot arm is journalled around a fifth axis in a fixing member which is supported by the yoke and which is rotatably journalled around a sixth axis. The upper robot arm and its fixing member are provided with a second and a third driving unit, respectively.
REFERENCES:
patent: 3834557 (1974-09-01), Devillers
patent: 4378959 (1983-04-01), Susnjara
patent: 4725178 (1988-02-01), Reis et al.
patent: 5423648 (1995-06-01), Okeel et al.
Asea Brown Boveri AB
Bonck Rodney H.
Grabow Troy
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