Screw operated coupling

Details Screw operated coupling Screw operated coupling

1978-11-20

1981-01-27

Downey, Kenneth

192 clutches and power-stop control

Clutches

Operators

192 35, 744248R, F16D 1900

Patent

active

042469961

ABSTRACT:
A remotely operable drive coupling for selectively engaging and disengaging a driving shaft and a driven shaft operable in accordance with the direction of shaft rotation. The coupling comprises a splined axially movable member connected to the driven shaft and having a screw-threaded bore, and a screw-threaded terminal part on the driving shaft adapted to be threadably received in the threaded bore when the driving shaft is rotated in one direction and the axially movable member is urged toward and in engagement with the terminal part of the driving shaft coupling the two members. Upon rotation of the driving shaft in the opposite direction, the parts become unscrewed and the axially movable part is resiliently urged away from the driving shaft uncoupling the members.
The device can be controlled hydraulically, pneumatically or electrically.

REFERENCES:
patent: 813396 (1906-02-01), Anker-Holth
patent: 1978975 (1934-10-01), Winans
patent: 2504018 (1950-04-01), Gibson et al.
patent: 2639014 (1953-05-01), Munschaver
patent: 3645229 (1972-02-01), Phinney
patent: 3776336 (1973-12-01), Fresard

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