ROBOTIC ARM ASSEMBLY WITH ANGULAR CONTACT CARTRIDGE BEARINGS
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United States of America Patent
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Issued Date -
Sep 11, 2014
app pub date -
Mar 6, 2013
filing date -
Mar 6, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A robotic arm assembly includes a first arm and second arm coupled by a shaft and bearing assembly, forming a joint at which the first arm rotates about a joint axis. The bearing assembly includes angular contact cartridge bearings contacting corresponding angled surfaces of the assembly, and a bearing cap. The shaft is attached to the first arm, extends through the second arm, and is attached to the bearing cap such that the bearing assembly is axially compressed between the bearing cap and the first arm. The bearing assembly may include components for preloading the bearing assembly and enabling components to self-align during assembly.
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