Parallel-Kinematic 4-Axis Positioner
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United States of America Patent
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Issued Date -
Mar 21, 2024
app pub date -
Sep 18, 2023
filing date -
Sep 20, 2022
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Abstract
A 4-axis positioner comprising two 2-axis assemblies sharing a common frame, with a platform connected between them. Each 2-axis assembly comprises a fixed assembly secured or integral to the common frame, two input assemblies secured to the fixed assembly by independently actuated linear motion connections, and a translation assembly secured to the input assemblies by additional linear motion connections. The connections between the input assemblies and the fixed assembly are parallel with one another, and the connections between the input assemblies and the translation assembly are both non-parallel from the connections to the fixed assembly, and non-parallel from one another. The translation assemblies move in two linear axes by common or opposing motion of the input assemblies. The platform is connected to each translation assembly by joints, and moves in two linear axes by common motion, and two rotational axes by opposing motion, of the translation assemblies.
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