Torque limiter, variable transmission ratio device, and tolerance ring
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United States of America Patent
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Aug 18, 2015
Issued Date -
N/A
app pub date -
Feb 23, 2012
filing date -
Mar 4, 2011
priority date (Note) -
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Abstract
This torque limiter is configured from a ring body and a spring-form part provided in the ring body. The ring body comprises a band-form metal plate and is bent approximately into a C-shape along the circumferential direction of a motor shaft and a lock holder. The spring-form part is formed so as to be capable of radial elastic deformation. The spring-form part is configured from main protrusions arranged in a compressed state between the motor shaft and the lock holder, and from sub-protrusions arranged in a non-compressed state. Further, grease is stored in a part or all of the concavities formed by the main protrusions and the sub-protrusions.
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