Center mounted and center drive helical spline actuator

Details Center mounted and center drive helical spline actuator Center mounted and center drive helical spline actuator

1987-08-07

1989-06-13

Braun, Leslie A.

Machine element or mechanism

Mechanical movements

Reciprocating to or from oscillating

92 31, 92 33, 144 78, 144213, F16H 2518

Patent

active

048381047

ABSTRACT:
Helical spline actuator includes a pair of cylinder housings connected together in end-to-end spaced apart aligned relationship by means of a center mount. A shaft is mounted for rotation within the two housings, and has a rotatable drive member extending outwardly therefrom between the spaced apart inboard ends of the housings and out through a circumferential slot in the center mount. Pistons are axially movable within each of the housings toward and away from opposite ends of the shaft. Inboard of the pistons are helical drive members for converting axial movement of the pistons into relative rotational movement of the shaft and drive member connected thereto.

REFERENCES:
patent: 2743618 (1956-05-01), Watson et al.
patent: 3056386 (1962-10-01), Aarvold et al.
patent: 3141387 (1964-07-01), Geyer
patent: 3187592 (1965-06-01), Geyer
patent: 3530769 (1970-09-01), Gurevich
patent: 3731546 (1973-05-01), MacDonald
patent: 4738415 (1988-04-01), Weyer
patent: 4745847 (1988-05-01), Voss
"Power Hinge Battens the Hatches", Machine Design, Feb. 6, 1969, vol. 41, No. 3, p. 131.

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