Rolling guide apparatus

Details Rolling guide apparatus Rolling guide apparatus

2008-01-22

2008-01-22

Hannon, Thomas R. (Department: 3682)

Bearings

Linear bearing

Recirculating

C384S043000

Reexamination Certificate

active

07320546

ABSTRACT:
A rolling guide apparatus is provided which is reduced in size and weight, and which includes a track rail of a flexible structure of course having a function of absorbing an impact load and capable of automatically adjusting an error between mounting surfaces of the track rail and a movable block. The apparatus includes a track rail10with projected portions12projecting to the left and right, a movable block30having at least four sets of endlessly circulating roller rows20built therein which are in rolling contact with upper and lower surfaces of the left and right projected portions12of the track rail10. The track rail10is characterized in that it has an elastically deformable flexible structure including a thin central plate portion11being elastically deformable to the left or right, thin left and right projected portions12, 12projecting to the left and right from an upper end portion of the central plate portion11and being flexibly deformable in a vertical direction, and fixed plate portions13, 13projecting to the left and right from a lower end portion of the central plate portion11.

REFERENCES:
patent: 1178196 (1916-04-01), Willard
patent: 4692039 (1987-09-01), Teramachi
patent: 5005987 (1991-04-01), Morita
patent: 5273365 (1993-12-01), Kondoh
patent: 6109789 (2000-08-01), Chen
patent: 6312158 (2001-11-01), Teramachi et al.
patent: 6327929 (2001-12-01), Yanagisawa
patent: 6488411 (2002-12-01), Michioka et al.
patent: 2000-291653 (2000-10-01), None

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