BACKLASH-FREE AXLE BEARING FOR GANTRY SYSTEMS
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United States of America Patent
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Issued Date -
Aug 29, 2024
app pub date -
Feb 26, 2024
filing date -
Feb 26, 2023
priority date (Note) -
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Abstract
A device for positioning an end effector in a space spanned by a longitudinal direction, a transverse direction and a vertical direction has: a first linear rail aligned in the longitudinal direction and on which a first longitudinal slide is arranged so as to be movable in the longitudinal direction, a second linear rail aligned parallel to the first linear rail in the longitudinal direction and on which a second longitudinal slide is arranged so as to be movable in the longitudinal direction, and a third linear rail guiding a cross slide connected to the first linear slide via a first guide element and to the second linear slide via a second guide element, characterized in that the first guide element is a first spring structure that is rigid in the vertical direction and the second guide element is a second spring structure that is rigid in the vertical direction.
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