Machine element or mechanism – Control lever and linkage systems
Patent
1979-10-02
1981-04-07
Staab, Lawrence J.
Machine element or mechanism
Control lever and linkage systems
414 7, B25J 900, B25J 1100
Patent
active
042598761
ABSTRACT:
The disclosed mechanical arm comprises a base having mounted thereon a plurality of pivotally connected links, each having its own individual motor operatively connected through driving kinematic chains with said links, and a tensioning mechanism including a tensioning member and kinematic chains connecting said tensioning member with the links; said tensioning mechanism being provided with differential gears in a number equalling that of said driving kinematic chains tensioned by said tensioning member, one output of each said differential gears being connected to said individual motor, and two other outputs thereof being connected to the preceding and successive ones of said differential gears; the two unoccupied outputs of the terminal ones of said differential gears being connected, respectively, to said base and said tensioning member.
The invention is primarily intended for automation of main and auxiliary operations in various industries, e.g. for handling of production tools and equipment. The invention can be utilized in various technologies, e.g. in machining and thermal treatment, in foundry production, in forging, pressing, welding, assembling, coating, as well as in operations performed in hazardous environment, in nuclear power plants, deep underwater and outer space projects, and in medicine.
REFERENCES:
patent: 3212651 (1965-10-01), Specht et al.
patent: 3631737 (1972-01-01), Wells
Belyanin Petr N.
Frolov Konstantin V.
Kobrinsky Aron E.
Korendyasev Alfred I.
Rozin Boris S.
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