Winding – tensioning – or guiding – Reeling device – With spring motor
Reexamination Certificate
2005-06-20
2008-05-20
Cuomo, Peter M. (Department: 3654)
Winding, tensioning, or guiding
Reeling device
With spring motor
C242S382000, C280S805000
Reexamination Certificate
active
07374122
ABSTRACT:
A seat belt retractor has a rotating spool for retraction or pay-out of seat belt webbing. A locking ring is attached to one end of the spool. The locking ring is locked against rotation when a crash is sensed. A force limiting means allows further pay-out of the seat belt webbing after the locking ring has locked. Coupled in the force path between the spool and the locking ring, the force limiting means has a primary force limiting means; and a secondary force limiting means. The force limiting means include an elongate deformable member, arranged such that relative rotation between the spool and the locking ring causes a predetermined length of the deformable member to be deformed during a first stage of load limiting. The cross-sectional area of the deformable member is uniform over a major portion of the predetermined length and is reduced over at least one minor portion located a distance from the end of the member.
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Bell John
Munoz Amaya
Palliser Martyn
Park Andrew
Cuomo Peter M.
Drayer Lonnie
Key Safety Systems, Inc.
Kruer Stefan
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