Machine element or mechanism – Control lever and linkage systems – Multiple controlling elements for single controlled element
Patent
1986-03-03
1987-06-16
Hall, Carl E.
Machine element or mechanism
Control lever and linkage systems
Multiple controlling elements for single controlled element
29759, 269 60, G05G 1100
Patent
active
046728597
ABSTRACT:
Apparatus having two stepping motors mounted in two mutually perpendicular planes and connected by means of bellows clutches to a top and a bottom lead screw, onto which there are screwed-on cut nuts. The top lead screw is seated on both side in a cradle which determines the working length of the screw A, while the cut nut of the same screw is fastened to a body lying with its legs on a base and carries a mechanism for vertical lifting of the working table. The bottom lead screw is seated in a carrier. Means on the left connect the left end of the cradle to the left side of the carrier, while means on the right connect the right end of the cradle to the right side of the carrier.
REFERENCES:
patent: 4615592 (1986-10-01), Schob et al.
Savov Krestyo T.
Stanev Stefan G.
Vatzov Vassil N.
Hall Carl E.
NPSK PO Poluprovodnikova Technika
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