Deformable pin locking mechanism for robotic tool changer
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United States of America Patent
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Aug 14, 2018
Grant Date -
N/A
app pub date -
Jun 20, 2017
filing date -
Jun 20, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A robotic tool changer includes a locking feature, and may be made washable by sealing against fluid incursion. The tool changer comprises a master unit and one or more tool units, and it transitions between decoupled and coupled states by rotation of one part relative to another. The rotation displaces rolling members in the master unit, such as balls, from a retaining surface to a locking surface which is sized and positioned to force the rolling members against a coupling surface of the tool unit. A deformable pin interposed between the retaining and locking surfaces resists movement of the rolling members therebetween, requiring the application of force. The pin remains deformed, and continues to exert a force on the rolling members, when the robotic tool changer is in the coupled state, providing a locking feature which automatically and positively resists any inadvertent decoupling of the tool changer.
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