Multi-helical ball sleeve structure

Details Multi-helical ball sleeve structure Multi-helical ball sleeve structure

2005-02-08

2005-02-08

Footland, Lenard A. (Department: 3682)

Bearings

Linear bearing

Ball bearing

Reexamination Certificate

active

06851858

ABSTRACT:
A multi-helical ball sleeve structure includes a cylindrical ball sleeve formed with a plurality of through holes, and a plurality of balls each received in a respective one of the through holes. The through holes are arranged in an oblique and helical manner. Thus, the multi-helical ball sleeve structure can enhance the lifetime and increase the working efficiency.

REFERENCES:
patent: 4648727 (1987-03-01), O'Neil et al.
patent: 5156462 (1992-10-01), Jacob et al.

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