Stabilized apparatus for converting rotational motion to linear

Details Stabilized apparatus for converting rotational motion to linear Stabilized apparatus for converting rotational motion to linear

1983-07-29

1985-07-02

Capossela, Ronald C.

Machine element or mechanism

Gearing

Directly cooperating gears

74 8915, F16H 120

Patent

active

045260532

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. A secondary locking thread-locking threaded path system is formed on two adjacent or all of the screw shaft, nut and planetary rollers to provide stable rotation and to maintain the planetary rollers in place. The screw shaft can have the same or a different number of starts than the number of starts on the nut.

REFERENCES:
patent: 2831363 (1958-04-01), Lohr
patent: 3173304 (1965-03-01), Strandgren
patent: 3214991 (1965-11-01), Perrin
patent: 3226809 (1966-01-01), Perrin
patent: 3884090 (1975-05-01), Dock

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