Rotary to linear converter with lead screw

Details Rotary to linear converter with lead screw Rotary to linear converter with lead screw

1986-02-13

1988-01-05

Reese, Randolph A.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

744248R, F16H 120

Patent

active

047167769

ABSTRACT:
A rotary to linear converter is disclosed as adapted for transporting a magnetic transducer head from track to track on a magnetic disk in a disk drive. Included are an electric stepping motor coupled to a lead screw, and a head carriage engaged with the lead screw for linear travel in response to the rotation thereof. A pin is engaged with a helical groove of the lead screw. The pin is arranged in perpendicular to the lead screw. Consequently, even if distance between the lead screw and a guide rod of the head carriage deviates from a desired value, the pin is not displaced in the extending direction of the lead screw.

REFERENCES:
patent: 2663929 (1953-12-01), Carpenter
patent: 2894408 (1959-07-01), Verhoeff
patent: 3331257 (1967-07-01), Gerber
patent: 3440886 (1969-04-01), Mecker
patent: 3493233 (1970-02-01), Foufounis
patent: 4030137 (1977-06-01), Dalziel
patent: 4274294 (1981-06-01), Siryj et al.
patent: 4333116 (1982-06-01), Schoettle et al.
patent: 4395924 (1983-08-01), Callahan

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