Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Cap over the head
Patent
1996-11-04
1998-05-19
Meyers, Steven N.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Cap over the head
411429, 301 3737, 3011084, B60B 714, F16B 3714
Patent
active
057527946
ABSTRACT:
A fastener retention system for a wheel cover of a vehicle that comprises a stud attached to, and projecting axially from, a brake system of the vehicle. The stud includes an outer surface that has a plurality of helical threads disposed thereon. Further included is a lug nut that has an end portion including an inner surface with a plurality of helical threads disposed thereon for screwingly engaging the helical threads of the stud. The end portion of the lug nut includes an outer surface having a plurality of helical threads disposed thereon. Moreover, a nut end, integrally formed with the end portion, is included and has a plurality of ramped teeth disposed radially thereon and opposite the end portion. A decorative cap nut for covering, and fixedly attaching to, the lug nut, is also included in the present system. The cap nut has an engagement end portion including an inner surface having a plurality of helical threads disposed thereon for screwingly engaging the helical threads disposed on the outer surface of the lug nut end portion, and a axial spacer attached to the engagement end portion. The axial spacer has a lower portion including a plurality of ramped teeth disposed radially thereon for ratchetingly engaging the ramped teeth of the lug nut during tightening or loosening of the decorative cap nut.
REFERENCES:
patent: 443117 (1890-12-01), Sharaf
patent: 3871785 (1975-03-01), Murvall
patent: 4240670 (1980-12-01), Zorn et al.
patent: 4842339 (1989-06-01), Roulinson
patent: 5253967 (1993-10-01), Orban et al.
patent: 5302069 (1994-04-01), Toth et al.
Chrysler Corporation
MacLean Kenneth H.
Meyers Steven N.
Santos Robert G.
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