Winding – tensioning – or guiding – Reeling device – With spring motor
Patent
1995-09-15
1998-09-01
Nguyen, John Q.
Winding, tensioning, or guiding
Reeling device
With spring motor
280806, B60R 2238, B60R 2236
Patent
active
057998949
ABSTRACT:
A seat belt system (10) includes a retractor (18) with a spool (60), sections (26,28) of seat belt webbing (16) which define first and second shoulder belts (42,48), and a section (22) of seat belt webbing (16) which connects the shoulder belts (42,48) to the spool (60). The spool (60) is supported for unwinding rotation upon extraction of either of the shoulder belts (42,48), and for winding rotation upon retraction of either of the shoulder belts (42,48). A locking pawl (80) has a locking position blocking unwinding rotation of the spool (60). A cinch mechanism (100) moves the locking pawl (80) to the locking position in response to a predetermined amount of rotation of the spool (60). The predetermined amount of rotation includes a predetermined amount of unwinding rotation upon extraction of the first shoulder belt (42), a predetermined amount of winding rotation upon subsequent retraction of the first shoulder belt (42), and a predetermined amount of additional unwinding rotation upon extraction of the second shoulder belt (48) following retraction of the first shoulder belt (42).
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Gray Mark F.
Kohlndorfer Kenneth H.
Koning Richard W.
Nguyen John Q.
TRW Vehicle Safety Systems Inc.
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