Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Member or portion thereof located between substructure and...
Reexamination Certificate
2006-10-18
2010-12-28
Estremsky, Gary (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Member or portion thereof located between substructure and...
C411S544000, C029S446000
Reexamination Certificate
active
07857566
ABSTRACT:
Several embodiments of reactive biasing fasteners are described. The fasteners are utilized in place of jam nuts and Belleville washers providing for the storage of a pre-load and effectively providing a locking function to prevent unintended loosening of an associated bolt. The embodiments resiliently deform under load to store pre-load or live load energy. Further, the fasteners provide a means for interfacing with a self-reacting tightening power tool thereby eliminating or minimizing the need for reaction arms. Additionally, several embodiments through the incorporation of a threaded bore effectively act to create a substantially torsionless live load on the portion of a bolt located in the bolt hole of a workpiece when in use. The resilient deformation of the biasing fasteners permits the live load to be stored therein and accordingly lessens the risk of loosening of the bolted joint due to exteriorly applied forces such as but not limited to vibration and thermal expansion and contraction.
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www.Hytorc.com, Makers of multipro-reactive Fasteners.
Munoz Rafael
Sullivan Paul
Estremsky Gary
Leyendecker Kurt P.
Leyendecker & Lemire LLC
Reactive Spring Fasteners, LLC
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