Screw with recirculated satellite rollers

Details Screw with recirculated satellite rollers Screw with recirculated satellite rollers

1987-12-15

1989-12-05

Smith, Gary L.

Machine element or mechanism

Gearing

Directly cooperating gears

74459, F16H 118

Patent

active

048844667

ABSTRACT:
Rollers situated on the circumference of a threaded screw inside a nut have a cavity at each end containing a spring and a pin. When a roller enters the recirculation groove, the spring/pin assembly bearing against the cap recirculates the roller towards the interior of the nut.
By enabling the roller to be repositioned at the time of its reinsertion between the threads of the screw and of the nut, this arrangement provides for flexible operation of the screw.

REFERENCES:
patent: 1296827 (1919-03-01), Lyons et al.
patent: 3182522 (1965-05-01), Strandgren
patent: 3884090 (1975-05-01), Dock
patent: 3903748 (1975-09-01), Krogsrud
patent: 4224831 (1980-09-01), Nilsson
patent: 4375770 (1983-03-01), Druet
patent: 4699530 (1987-10-01), Satoh et al.

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