Threaded – headed fastener – or washer making: process and apparat – Process – Making internally threaded fastener – e.g. – nut
Reexamination Certificate
2011-01-04
2011-01-04
Bonk, Teresa M (Department: 3725)
Threaded, headed fastener, or washer making: process and apparat
Process
Making internally threaded fastener, e.g., nut
C470S002000, C470S018000
Reexamination Certificate
active
07862440
ABSTRACT:
The invention relates to both nut assemblies and methods for producing the same. Said nut assemblies consist of a nut body (1a) and a pressure disk (2a). The nut body has a drive portion, such as a polygonal portion, for engaging with a tool and an abutment region that can be brought into contact with the supporting surface of the pressure disk arranged on the nut body in a captive manner. The pressure disk has a central opening into which a neck formed on the nut extends axially at least in part. The neck has a projection for forming a captive connection. This projection radially overlaps or engages the thrust ring.
REFERENCES:
patent: 1989750 (1935-02-01), Garrett
patent: 4040462 (1977-08-01), Hattan
patent: 5871402 (1999-02-01), Baechle
patent: 5938420 (1999-08-01), Teraoka
patent: 6213885 (2001-04-01), Baechle
patent: 6843631 (2005-01-01), Winker
patent: 43 07 090 (1993-10-01), None
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patent: 102 23 713 (2003-02-01), None
German Office Action dated Nov. 4, 2004 (five (5) pages).
Baechle Ewald
Vogel Manfred
Bonk Teresa M
Crowell & Moring LLP
Neumayer Tekfor Holding GmbH
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