Title:
NESTED TRACK BEARING
Document Type and Number:
WIPO Patent Application WO2000025034
Kind Code:
A9
Abstract:
A linear motion bearing assembly for movement along a shaft which includes rolling element retainer structure having at least a portion of a plurality of substantially parallel, adjacent nested open rolling element tracks formed therein, the rolling element tracks including an open load bearing portion, an open return portion and turnarounds interconnecting the load bearing and return portions; a plurality of bearing rolling elements disposed in the rolling element tracks; and a plurality of load bearing plates positioned adjacent the rolling element retainer structure for receiving load from the rolling elements disposed in the load bearing portion of the rolling element tracks. A ramp is formed at a junction of the load bearing portion and the turnaround portion of the rolling element tracks for providing a transition between the load bearing portion and the turnaround portion. The linear motion bearing may be a closed or an open-type bearing.
More Like This:
| JP4122796 | Linear motion device |
Inventors:
NG ALLISON
Application Number:
PCT/US1999/021267
Publication Date:
September 28, 2000
Filing Date:
September 23, 1999
Export Citation:
Assignee:
THOMSON IND INC (US)
International Classes:
F16C29/06; F16C33/58; (IPC1-7): F16C29/06
Download PDF:
Previous Patent: LINEAR GUIDE FOR A TRANSPORT TABLE
Next Patent: HYDRODYNAMIC JOURNAL BEARING, PARTICULARLY FOR STEAM TURBINES
Next Patent: HYDRODYNAMIC JOURNAL BEARING, PARTICULARLY FOR STEAM TURBINES