Pretensioner

Details Pretensioner Pretensioner

2009-08-31

2011-12-06

Kim, Sang (Department: 3654)

Winding, tensioning, or guiding

Reeling device

With spring motor

Reexamination Certificate

active

08070085

ABSTRACT:
A pretensioner is provided, which can be partially changed in mechanical strength of in a cylinder, in addition, can be widely used. In the pretensioner, the cylinder is molded by forging, and a positioning portion as a high-strength portion is formed from a partition formed using a excess portion produced during the forging-molding. Therefore, while an outer circumferential shape of the cylinder is not changed, a specification of the positioning portion can be varied, the specification including a formation position of the positioning portion, an extension dimension of the positioning portion from the cylinder, and thickness of the positioning portion along a through direction of the cylinder.

REFERENCES:
patent: 5842344 (1998-12-01), Schmid
patent: 6299090 (2001-10-01), Specht et al.
patent: 6450435 (2002-09-01), Junker et al.
patent: 7793982 (2010-09-01), Krauss
patent: 2009/0134691 (2009-05-01), Choi et al.
patent: 1430561 (2003-07-01), None
patent: 1960051 (1998-06-01), None
patent: 102005050946 (2007-04-01), None
patent: 102006045198 (2008-04-01), None
patent: 2004-1656 (2004-01-01), None
patent: 98/34817 (1998-08-01), None
Chinese Office Action issued on Feb. 16, 2011 in corresponding Chinese Application No. 200910172908.X.
Office Action dated Mar. 30, 2011 issued by the German Patent Office in corresponding German Patent Application No. 10 2009 040 064.8-22.

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