Machine element or mechanism – Control lever and linkage systems – Multiple controlling elements for single controlled element
Patent
1991-07-17
1992-09-22
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlling elements for single controlled element
74 8922, 108 20, 248178, 248651, G05G 1100, F16H 1906, A47B 1300
Patent
active
051487160
ABSTRACT:
In a plane motion mechanism, a table is mounted on a top planar surface of a base for movement thereon in plane motion. One end portions of respective first, second and third power transmitting elements adjacent respectively to one ends thereof are wound about an outer peripheral side surface of the table. At least two, first and second, drive units are provided, to which the other ends of the respective first and second power transmitting elements are connected respectively, for applying tension forces respectively to the first and second power transmitting elements. A tension-applying unit, to which the other end of the third power transmitting unit is connected, is provided for applying a tension force to the third power transmitting element. The table may be circular in cross-section and having an outer peripheral side surface. At least pair of first and second elongated power transmitting units may extend in contact with an outer peripheral side surface of the table to generate friction between the first and second power transmitting units and the outer peripheral side surface of the table. A pair of drive units may be provided for driving the first and second power transmitting elements, respectively.
REFERENCES:
patent: Re32414 (1987-05-01), Hutchins et al.
patent: 3273408 (1966-09-01), Nagel et al.
patent: 3611819 (1971-10-01), Muller et al.
patent: 4392140 (1983-07-01), Bastian et al.
patent: 4710819 (1987-12-01), Brown
patent: 4922173 (1990-05-01), Lawler
Herrmann Allan D.
Nippon Connecticut Saw Co.
Una Data Ltd.
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