Limiting torque bolt-nut assembly
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United States of America Patent
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-
Dec 9, 1986
Grant Date -
N/A
app pub date -
May 23, 1985
filing date -
May 23, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A limited torque bolt-nut assembly including a bolt shank having a threaded first end portion and a non-threaded second end portion, a secondary drive head on the second shank portion and a primary shearable drive head on the secondary drive head, and a hollow nut secured over both drive heads and a portion of the non-threaded shank section. The hollow nut drives the primary drive head which rotates relative to the secondary drive head until the primary drive head shears off at a predetermined torque releasing the nut and primary drive head. The secondary drive head remains on the bolt shank for adjustment and removal of the bolt.
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