Nut assembly and method for the production thereof

Details Nut assembly and method for the production thereof Nut assembly and method for the production thereof

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
patent: 196 50 453 (1997-06-01), None
patent: 197 11 287 (1997-11-01), None
patent: 199 56 287 (2001-05-01), None
patent: 100 54 896 (2002-05-01), None
patent: 102 23 713 (2003-02-01), None
German Office Action dated Nov. 4, 2004 (five (5) pages).

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