Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1995-08-16
1997-08-12
Underwood, Donald W.
Material or article handling
Vertically swinging load support
Shovel or fork type
4147443, 414917, 901 28, 901 48, 7449003, B25T 910
Patent
active
RE0355844
ABSTRACT:
A spot welding robot including a base and an arm assembly mounted on the base. The arm assembly includes a lower arm mounted at a lower end on the base for a swingable movement about a substantially horizontal first axis, a swingable member mounted on the lower arm at an upper end portion of the lower arm for a swingable movement about a second axis which is parallel with the first axis, and an upper arm mounted at one end portion on the swingable member for a swingable movement about a third axis which is perpendicular to the second axis. The swingable member has a portion extending in a direction opposite to the direction in which the upper arm extends. A driving motor is provided on the swingable member for driving the upper arm to produce the swingable movement of the upper arm about the third axis.
REFERENCES:
patent: 4828451 (1989-05-01), Mikoshi et al.
patent: 4828453 (1989-05-01), Martin et al.
patent: 4921393 (1990-05-01), Andeen et al.
Proceedings 1987 IEEE International Conf. on Robotics and Automation, vol. 2, pp. 1186-1191, US; A. H. Soni et al.: "Application of Passive Robot in Spine Surgery", paragraph Instrumentation; Fig. 1.
Fujita Shinji
Fukuda Katsunori
Nakamura Hisanori
Sonoda Akikazu
Takigawa Masahiro
Kawasaki Jukogyo Kabushiki Kaisha
Toyota Jidosha & Kabushiki Kaisha
Underwood Donald W.
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