Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having structure to restrict rotation of threaded – mating... – Pawl and ratchet
Patent
1994-09-07
1995-10-24
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having structure to restrict rotation of threaded, mating...
Pawl and ratchet
411 7, 411299, F16B 3932, F16B 3100
Patent
active
054604680
ABSTRACT:
The bolt, in the one-way nut and bolt combination, includes a head, a stem, and bolt thread on said stem. A longitudinal channel is defined on the stem by a plurality of aligned notches extending through the crests of the threads. Each notch is defined by a radially aligned surface and an angularly displaced surface. The nut has a threaded bore that is complimentary to the bolt thread and includes at least one longitudinal cut-out. The nut further includes a compressible tine extending into the cut-out. The compressible tine has a body portion and a substantially radially aligned distal end portion. The distal end portion of the tine and the cut-out defines a narrow mouth leading to a wider throat deeper in the cut-out. The nut thread and the bolt thread cooperatively permit a user to translate the nut along the bolt threads by means of one-way rotation. The tine is alternately flexed inboard into the cut-out, by the bolt threads, and then released when the tine is disposed in the longitudinal channel. The longitudinal channel and respective notches forming the channel prevent counter-rotational movement of the nut on the bolt when the distal end of the tines abuts the radially aligned surface of the notches.
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Kain, Jr. Robert C.
PermaThread Technologies, Inc.
Wilson Neill R.
LandOfFree
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