Hardened guide rail for linear guide apparatus

Details Hardened guide rail for linear guide apparatus Hardened guide rail for linear guide apparatus

1995-09-15

1997-04-08

Hannon, Thomas R.

Bearings

Linear bearing

Recirculating

384625, F16C 2906

Patent

active

056181140

ABSTRACT:
In a guide rail for a linear guide apparatus including a plurality of rolling elements and a slider, the guide rail includes a pair of rolling grooves formed in side surfaces of the guide rail for supporting the slider through the rolling elements, the rolling-element rolling grooves axially extending in parallel with each other, a pair of hardened surface layers formed continuously all over the side surfaces by subjecting the side surfaces to induction hardening, and a hole formed penetratingly in a soft portion existing between the hardened surface layers for fixing the guide rail. The hardened surface layers thus formed are sufficient to receive a shearing force which is applied to the guide rail when the linear guide apparatus is in operation.

REFERENCES:
patent: 4553793 (1985-11-01), Teramachi
patent: 4593957 (1986-06-01), Hidano
patent: 5250126 (1993-10-01), Ohya et al.
patent: 5322370 (1994-06-01), Gallone

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