Impact resistive linear guide apparatus

Details Impact resistive linear guide apparatus Impact resistive linear guide apparatus

1991-03-22

1992-04-14

Footland, Lenard A.

Bearings

Linear bearing

Recirculating

F16C 2906

Patent

active

051042380

ABSTRACT:
A linear guide apparatus includes an axially extending guide rail having ball rolling grooves formed in both side surfaces, and a slider movably straddling the guide rail and having ball rolling grooves formed in inner surfaces of both side walls. At least one of a clearance between an upper surface of the guide rail and a lower surface of the slider and a clearance between a side surface of the guide rail and an inner side surface of the slider is set smaller than the amount of displacement caused by an elastic deformation of contact portions at which the ball is in contact with the groove surfaces of the ball rolling grooves of the guide rail and the slider when a load equal to a fundamental static rating load is applied to the slider.

REFERENCES:
patent: 4806022 (1989-02-01), Takahiro
patent: 4810104 (1989-03-01), Matsuoka et al.
patent: 4869600 (1989-09-01), Tonogai
patent: 4902143 (1990-02-01), Morita

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