Method and apparatus for improved stiffness in the linkage assembly of a flexible arm
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United States of America Patent
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Issued Date -
Jul 14, 2005
app pub date -
Feb 28, 2005
filing date -
Oct 9, 2001
priority date (Note) -
Abandoned
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Abstract
The invention includes linkage assemblies comprising coupled links with metallic contact surfaces with improved stiffness. The inventors found significant mechanical problems with all previous descriptions of metallic contact links sufficient to preclude their commercial use. These metallic contact links are a significant improvement over existing plastic ball and metal joint, or all plastic beads as found in the prior art. The invention includes methods providing these links and high friction couplings between them, as well as the linkage assemblies and flexible arms resulting from these processes.
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