Rotary unit

Details Rotary unit Rotary unit

1991-08-15

1993-05-04

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

92 131, 92111, 92136, 192143, F16H 2702

Patent

active

052071111

ABSTRACT:
The present invention discloses an apparatus for the rotation of, for example, workpieces to be machined, on a carrier which can be set in rotation by a pinion shaft with toothed strips via a rack, the rack being arranged perpendicularly to an axis of the pinion shaft in a cylinder bore of a housing slidably between covers closing the cylinder bore, pistons provided on the rack at each end forming with a respective cover a chamber which can be subjected to pressure medium, and the toothed strips of the pinion shaft meshing with the toothing of the rack between the two pistons, wherein the spacing of the toothing and pinion shaft or toothed strips is variable.

REFERENCES:
patent: 1028275 (1912-06-01), Purcell
patent: 1806669 (1931-05-01), Campbell
patent: 3381590 (1968-05-01), Rosenberg et al.
patent: 3430539 (1969-03-01), Freeman
patent: 3605409 (1971-09-01), Heese et al.
patent: 4619151 (1986-10-01), Trachman et al.
patent: 4932276 (1990-06-01), Treadwell et al.

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