Linear guidance system comprising a hollow-profile rail
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United States of America Patent
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Sep 3, 2013
Grant Date -
Oct 7, 2010
app pub date -
Aug 22, 2008
filing date -
Aug 25, 2007
priority date (Note) -
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Abstract
A linear guidance system including a guide rail (1) and a carriage (2) guided displaceably on the guide rail by at least two ball bearings (3, 3′), wherein the ball bearings comprise a plurality of balls (4) and a ball cage (5) and the guide rail (1) has running surfaces (9, 9′) and the carriage (2) has running surfaces (10, 10′) for the rolling movement of the balls (4) of the ball bearings (3, 3′), wherein the carriage (2) includes a profile member (11) which is substantially C-shaped in cross-section, wherein the running surfaces (10, 10′) are provided at end portions (11′, 11″) of the C-shaped profile member (11) and the carriage (2) further includes a plate (12) which extends between end portions (11′, 11″) of the C-shaped profile member (11) of the carriage (2) and is connected to the end portions (11′, 11″), forming a closed hollow profile.
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