Susan G Richards

US Patent:

7631830, Dec 15, 2009

Filed:

Mar 23, 2007

Appl. No.:

11/690535

Inventors:

Richard A. Boelstler - Lake Orion MI, US
Kenneth H. Kohlndorfer - Roseville MI, US
Robert E. Verhoven - Harsens Island MI, US
Rudi Grzic - Sterling Heights MI, US
Susan A. Richards - Sterling Heights MI, US

Assignee:

Key Safety Systems, Inc. - Sterling Heights MI

International Classification:

B65H 75/48

US Classification:

242374, 2423842, 2423853

Abstract:

A seat belt retractor () having a rotationally mounted spool () with a seat belt windable thereon and a pretensioner () for winding the spool in a belt winding direction to rewind the seat belt upon the spool; the pretensioner comprising a rack and pinion mechanism () activated by a pyrotechnic element () for causing a clutch assembly () to change state from a disengaged mode to an engaged mode in which the clutch assembly drivingly engages the spool.

US Patent:

20140263797, Sep 18, 2014

Filed:

Mar 14, 2013

Appl. No.:

13/827718

Inventors:

- Ogden UT, US
Thomas Garvey - Waterford MI, US
Susan Richards - Sterling Heights MI, US

Assignee:

Autoliv ASP, Inc. - Ogden UT

International Classification:

B60R 22/34

US Classification:

2423791

Abstract:

A torsion bar having progressive load limiting characteristics for use in a vehicle restraint system is provided. The torsion bar includes a longitudinal main body portion having a first end for mounting to a belt retractor spindle and a second end for being engaged and disengaged with a seatbelt locking mechanism. The main body portion includes a longitudinal slot extending transversely therethrough that defines an opening therein. The torsion bar will twist in response to a first torsional load, which will cause the opening to become closed. When the opening becomes closed, the torsion bar with withstand twisting up to a second torsional load, where the torsion bar will twist again in response to the second torsional load.