Flexible arm, particularly a robot arm

Details Flexible arm, particularly a robot arm Flexible arm, particularly a robot arm

1982-02-23

1983-07-19

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

3 1, 3 11, 3 12, 46126, 46152, 74479, 74501R, 81177F, 248160, 248274, 414 7, 464149, B25J 102, F16C 100, A61F 106

Patent

active

043937284

ABSTRACT:
A flexible arm particularly a robot arm comprising a plurality of elements engaging each other and being arranged in a series, said elements being interconnected via cables and if desired a power transferring actuating device. The purpose of the invention is to provide an arm having very good rigidity in the bending plane of the element and a high torsional resistance together with lower manufacturing costs as compared to conventional robot arms. This has been achieved by each element being designed with arched opposed single-or double-curved segments which with the curved surfaces of each segment engaging the surfaces of the adjacent segments, whereby the elements are arranged when actuated by the power generating and/or power transferring device to have a rolling motion relative to each other.

REFERENCES:
patent: 2241576 (1941-05-01), Barton
patent: 2421279 (1947-05-01), Marty
patent: 3060972 (1962-10-01), Sheldon
patent: 3190286 (1965-06-01), Stokes
patent: 3266059 (1966-08-01), Stelle
patent: 3284964 (1966-11-01), Saito
patent: 3497083 (1970-02-01), Anderson et al.
patent: 3546961 (1970-12-01), Marton
patent: 3623566 (1971-11-01), Orloff
patent: 3927899 (1975-12-01), Bough
patent: 4151757 (1979-05-01), Pitrat

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