Material or article handling – Horizontally swinging load support – Swinging about pivot
Patent
1987-08-26
1988-11-29
Spar, Robert J.
Material or article handling
Horizontally swinging load support
Swinging about pivot
403109, 414 8, 901 23, 901 21, 901 28, B25J 1100
Patent
active
047878134
ABSTRACT:
The foregoing and other objects of the invention are achieved by a drive system which includes a base and a support assembly for rotatably supporting one end of the first arm from said base and for raising and lowering the arm with respect to the base. A second arm has one end rotatably supported at the other end of the first arm and an effector mount is rotatably supported at the other end of the second arm. Drive structure mounted on said base rotate said support assembly. Drive structure mounted at the lower end of said support assembly raise and lower the arm. Drive structure for rotating said second arm and drive structure for rotating said effector are mounted at the upper end of said support. All of said drive structure are mounted within an enclosed housing.
REFERENCES:
patent: 4201048 (1980-05-01), Fisher et al.
patent: 4601635 (1986-07-01), Ito et al.
Kurita Samuel S.
Stevens Craig L.
Spar Robert J.
Underwood Donald W.
Watkins-Johnson Company
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