Torque measuring device for free running self-locking nut and bolt combination
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United States of America Patent
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-
Jan 28, 1997
Grant Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Jun 6, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A torque measuring device is described that measures forces occurring during the interconnection of a nut to a bolt. The device has particular application with bolts having a key aperture in the tail end thereof and with nuts having a swaged exterior surface. A matching swage socket is used to limit the torque applied to the nut as material from the nut is swaged into fluted surfaces of the bolt. The torque measuring device is responsive to the torque applied to the nut, the reaction torque generated by the bolt and the compressive force between the nut and the bolt. The torques and the compressive force can be simultaneously measured and displayed so that an active force profile can be provided.
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