Arrangement for transforming a rotary movement of a smooth shaft

Details Arrangement for transforming a rotary movement of a smooth shaft Arrangement for transforming a rotary movement of a smooth shaft

1978-03-02

1981-03-03

Staab, Lawrence J.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

74 25, F16H 2116

Patent

active

042533422

ABSTRACT:
The arrangement for transforming rotary movement of a smooth shaft into a thrust movement by means of a rolling nut that comprises a housing and, within the housing, four inclined roller cages each defining a center passage having an inside diameter larger than the diameter of the shaft and each engaging an arcuate surface section of the shaft; the end points of the section of engagement forming with the center point of the corresponding roller cage a bevel angle within the range of 60.degree. and the distance between the two points being sufficient for insuring a stable position of each cage on the shaft even if the cages are loaded laterally. The intermediate two roller cages are urged in contact with the shaft by a pair of springs, respectively.

REFERENCES:
patent: 2482082 (1949-09-01), Wahlberg
patent: 2616302 (1952-11-01), Wahlmark
patent: 2940322 (1960-06-01), Uhing
patent: 2961887 (1960-11-01), Long
patent: 3589202 (1971-06-01), Stanley
patent: 3590644 (1971-07-01), Kuspert
patent: 3614900 (1971-10-01), Wahlmark
patent: 3698258 (1972-10-01), Gartner
patent: 3730016 (1973-05-01), Miller
patent: 3977258 (1976-08-01), Bauer
patent: 4008929 (1977-02-01), Olrik

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