Apparatus for converting rotational motion to linear motion

Details Apparatus for converting rotational motion to linear motion Apparatus for converting rotational motion to linear motion

1985-05-16

1987-03-10

Herrmann, Allan D.

Machine element or mechanism

Gearing

Directly cooperating gears

74458, 74459, F16H 2522, F16H 2524

Patent

active

046482857

ABSTRACT:
Apparatus is provided for converting rotational motion to linear motion which includes a screw shaft and nut surrounding the screw shaft, each having a helical thread. A plurality of threaded planetary rollers is interposed between and in contact with the threads of the screw shaft and nut. The screw shaft has a different number of starts than the number of starts on the nut.

REFERENCES:
patent: 1384543 (1921-07-01), Scmick
patent: 2831363 (1958-04-01), Lohr
patent: 3028635 (1962-10-01), Herubel
patent: 3173304 (1965-03-01), Strandgren
patent: 3406584 (1968-10-01), Roantree
patent: 3595094 (1971-07-01), Lemor
patent: 3884090 (1975-05-01), Dock
patent: 4375770 (1983-03-01), Druet
patent: 4478103 (1984-10-01), Benjamin
patent: 4526053 (1985-07-01), Carson

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