Lead screw and linear drive assemblies using such lead screw

Details Lead screw and linear drive assemblies using such lead screw Lead screw and linear drive assemblies using such lead screw

1994-08-24

1996-09-03

Marmor, Charles A.

Machine element or mechanism

Gearing

Teeth

744248R, 411424, F16H 5517

Patent

active

055513140

ABSTRACT:
A composite lead screw for use in a linear drive assembly is provided. The lead screw comprises a generally cylindrical carrier means. The carrier means has disposed therein at least one helical seating groove. This helical seating groove has a lead substantially equivalent to the lead of the lead screw. The lead screw also comprises at least one helical guide means having a lead substantially equivalent to the lead of the lead screw. The helical guide means is seated in the helical seating groove. A follower nut for use in a linear drive assembly in conjunction with the lead screw is also provided.

REFERENCES:
patent: 534164 (1895-02-01), Larsh
patent: 2831363 (1958-04-01), Lohr
patent: 3071022 (1963-01-01), Strandgren
patent: 3407251 (1968-10-01), Elliott et al.
patent: 4576057 (1986-03-01), Saari
patent: 4811618 (1989-03-01), Takayama
patent: 4964314 (1990-10-01), Wilkes
patent: 5079963 (1992-01-01), Yamamoto et al.
patent: 5325732 (1994-07-01), Vogel

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