Spacer structure for cross rollers

Details Spacer structure for cross rollers Spacer structure for cross rollers

2006-03-28

2008-10-21

Hannon, Thomas R (Department: 3682)

Bearings

Linear bearing

Roller bearing

C384S047000, C384S551000

Reexamination Certificate

active

07438474

ABSTRACT:
A spacer structure for cross rollers comprises a frame and four protruding wings, the protruding wings are arranged in pairs on opposing sides of the frame and outwardly extend therefrom. The two inactive end surfaces of the roller are confined between the paired protruding wings of the spacer. The slenderness ratio of the roller is designed to be 0.7-0.98 for facilitating installation of the roller between the paired protruding wings of the spacer, and such arrangement can effectively reduce the contact area between the spacer and the roller. The paired opposite protruding wings can provide a stable positioning effect to the end surfaces of the roller.

REFERENCES:
patent: 2294665 (1942-09-01), Jackson
patent: 2628137 (1953-02-01), Ashton
patent: 4687345 (1987-08-01), Geka
patent: 5597243 (1997-01-01), Kaiser et al.
patent: 6419069 (2002-07-01), Teramachi
patent: 7073948 (2006-07-01), Neder et al.
patent: 2003/0138172 (2003-07-01), Yabe et al.
patent: 3609779 (1987-01-01), None

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