Load and torque sensing systems utilizing magnetic key for mechanical engagement
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United States of America Patent
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Feb 23, 2016
Grant Date -
May 21, 2015
app pub date -
Nov 15, 2013
filing date -
Nov 15, 2013
priority date (Note) -
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Abstract
Two forms of load bearing or transmitting structures are disclosed wherein each uses magnetism to hold a key in one of two bodies to prevent movement therebetween. One embodiment is a clevis, wherein the clevis pin is instrumented as a load cell and a magnetic key resides in a slot in a portion of the clevis pin which protrudes outside of one of the clevis legs. In another embodiment, torque is transmitted between a shaft and a coupling by means of keys that are held in keyways by magnetism thereby to provide a torque coupling between the shaft and coupling members.
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