Device for positioning an object

Details Device for positioning an object Device for positioning an object

1987-08-06

1988-11-15

Walton, George L.

Railways

Sledways

Roller track

104139, B65G 3918

Patent

active

047840641

ABSTRACT:
A device for moving or positioning an object makes use of a track on a base and a circular groove on the platform. The platform holds the object. Balls are captured between the platform and the base which permit independent translation and rotation of the platform with respect to the base, by the simultaneous rolling and sliding of the balls. A mechanism for preloading and interlocking the base and the platform is also provided. The mechanism includes a shaft passing between the platform and the base and two channels formed in the platform. Elements disposed in the channels urge the shaft in opposite directions or selectively locking and disengaging of the platform and the base.

REFERENCES:
patent: 922052 (1909-05-01), Sherk
patent: 1099952 (1914-06-01), Thurston
patent: 3666076 (1972-05-01), Miller et al.
patent: 4014428 (1977-03-01), Ossbahr
patent: 4095687 (1978-06-01), Shoiket
patent: 4148400 (1979-04-01), Cross
patent: 4201284 (1980-05-01), Brems
patent: 4494282 (1985-01-01), Ida et al.
patent: 4534546 (1985-08-01), Cattani
patent: 4583631 (1986-04-01), Yonezawa et al.
patent: 4687091 (1987-08-01), Sticht
Catalog: Iko LRM CAT-5716.

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