Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Prefabricated assembly comprising strip or sheet member...
Reexamination Certificate
2006-10-23
2009-10-20
Estremsky, Gary (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Prefabricated assembly comprising strip or sheet member...
C411S104000, C411S553000
Reexamination Certificate
active
07604444
ABSTRACT:
A fastener assembly is disclosed for securing an object to channel framing. One embodiment of the assembly includes an elongate body such as a nut which engages inside faces of the framing at opposite sides of a slot in the framing, a washer spaced from the nut which engages outside faces of the framing at opposite sides of the slot, and a spring interposed between and connecting the nut and the washer for generating a force holding the washer and nut in clamping engagement with respective faces of the framing prior to securing an object to the framing.
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Hilti, MQN Pushbutton Galvanized Channel System, Hilti Website, 1 page.
Unistrut, Kwik Washer, Unistrut Website, 4 pages.
RapidSTRUT catalog, Flexible Railsystem for all applications, issue Jan. 2002, 4 pages, United Kingdom.
Cooper Technologies Company
Estremsky Gary
Senniger Powers
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