Structure of ball rolling grooves for a linear guide apparatus

Details Structure of ball rolling grooves for a linear guide apparatus Structure of ball rolling grooves for a linear guide apparatus

1992-08-04

1993-08-31

Footland, Lenard A.

Bearings

Linear bearing

Recirculating

F16C 2906

Patent

active

052403319

ABSTRACT:
A linear guide apparatus, capable of displaying a well-balanced performance both in the aspects of vibration damping capacity, rigidity, load capacity, shock resistance, and others, and of the follow-up sensitivity to minute and precise operations, is provided by arranging the apparatus with a combined structure of four-point contact and two-point contact ball rolling grooves. Of the upper and lower two ball rolling grooves, one row of the ball rolling grooves is of a four-point contact type and the other row of the ball rolling grooves is of a two-point contact type.

REFERENCES:
patent: 4348064 (1982-09-01), Teramachi
patent: 4773770 (1988-09-01), Osawa et al.
patent: 4850720 (1989-07-01), Osawa
patent: 4943169 (1990-07-01), Kasai

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