Portal system

Details Portal system Portal system

1988-12-27

1991-04-09

Spar, Robert J.

Material or article handling

Horizontally swinging load support

Swinging about pivot

414751, 414736, 901 17, B25J 504

Patent

active

050060368

ABSTRACT:
A portal system is described which consists of two translational axes and two rotary axes which are so arranged and controlled that every point within a cubic working space can be computed and reached. As a result of this special kinematic construction the total complexity for the frame and also the mechanical complexity and cost are substnatially reduced in comparison to customery portal systems.

REFERENCES:
patent: 3922930 (1975-12-01), Fletcher et al.
patent: 4688984 (1987-08-01), Nakashima et al.

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