Double nut for the controlled fixing of a component by means...

Details Double nut for the controlled fixing of a component by means... Double nut for the controlled fixing of a component by means...

2008-03-04

2008-03-04

Saether, Flemming (Department: 3677)

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Tensioned along the longitudinal axis by a coaxial force...

C411S432000, C411S917000

Reexamination Certificate

active

07338240

ABSTRACT:
A double nut for a controlled fixing of a component using a bolt connection, comprising a pulling sleeve having an internal thread adapted to be screwed onto a threaded end of a bolt, and a pressing sleeve adapted to be supported on the component. An internal thread of the pressing sleeve is adapted to be screwed onto an external thread of the pulling sleeve, and engages such external thread to such an extent that the internal thread of the pressing sleeve is spaced by a distance equaling several threads from that end of the pulling sleeve that faces the component. The external thread of the pulling sleeve is furthermore adapted to threadedly receive a pull bushing of a bolt-tightening cylinder that has a support bushing adapted to be supported on the component and to extend over the pulling sleeve and the pressing sleeve.

REFERENCES:
patent: 3435777 (1969-04-01), Schaaf
patent: 4085649 (1978-04-01), Christensson
patent: 4844418 (1989-07-01), Cole
patent: 5253967 (1993-10-01), Orban et al.
patent: 5466107 (1995-11-01), Percival-Smith
patent: 5538379 (1996-07-01), Junkers
patent: 6461093 (2002-10-01), Junkers
patent: 6685406 (2004-02-01), Whitney et al.
patent: 6686527 (2004-02-01), Hagiwara
patent: B-58372/80 (1981-01-01), None
patent: 198 47 974 (2000-05-01), None
patent: 2790 798 (2000-09-01), None

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