Return tube arrangement for ball screw assembly

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5063809
SERIAL NO

07597143

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An improved ball screw assembly is disclosed in which a return tube has a pair of minor legs which enter into two ends of the internal helical groove within a nut to return ball bearings between the two ends. Apertures are formed within the nut such that the return tube can be mounted as a one-piece item by moving it perpendicular to the central axis of the screw into the two apertures. The apertures are formed by removing all material which would normally be radially outward of the minor legs, and would prevent mounting of the return tube by moving it perpendicular to the axis of the screw. Due to this improved arrangement between the return tube and the nut, a one-piece return tube can be utilized which contacts the end of the helical groove at an angle parallel to the helix angle and tangent to the helical groove at the ends.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
BEAVER AEROSPACE & DEFENSE INCC/O PHILLIPS SERVICE INDUSTRIES INC 11878 HUBBARD LIVONIA MI 48150

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schlenker, Theodore R Troy, MI 6 63

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