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US6315323B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for positioning an inflated air bag

Assignee: ZF Passive Safety Systems US Inc
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Filing: 1999-12-21
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Granted: 2001-11-13
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Expires: 2019-12-21
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Abstract

Abstract A vehicle occupant protection apparatus ( 10 ) comprises an inflatable device ( 18 ) for helping to protect an occupant of a vehicle. At least one tether ( 82, 84, 86, 88 ) is connected with the inflatable device ( 18 ) to control the location of the inflatable device when inflated. The occupant protection apparatus ( 10 ) includes at least one sensor ( 140 ) for sensing at least one condition relevant to a determination of where to locate the inflatable device ( 18 ) when inflated. The occupant protection apparatus ( 10 ) also includes a tether tension control mechanism ( 102, 104, 106, 108, 120 ) for tensioning the at least one tether ( 82, 84, 86, 88 ) in accordance with the sensing of the at least one condition.

Inventors

  • 👤 Wesley D. Pack, Jr.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 08:54
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/16; B60R21/23; B60R21/231; B60R21/233; B60R21/20; B60R21/217; B60R21/2171

Claims Analysis

Total Claims: 21
Claim 1
Independent Claim 125 words
A vehicle occupant protection apparatus comprising: an inflatable device for helping to protect an occupant of a vehicle; an inflator for inflating said inflatable device; at least one tether connected with said inflatable device for applying force to said inflatable device during inflation which force controls the location of said inflatable device when inflated; at least one sensor for sensing at least one condition relevant to a determination of where to locate said inflatable device when inflated; and a tether tension control mechanism responsive to said sensor for tensioning said at least one tether in accordance with said sensing of said at least one condition to cause said tether to apply said force by shortening which controls the location of said inflatable device when inflated.
Claim 2
Dependent Claim 125 words
A vehicle occupant protection apparatus comprising: an inflatable device for helping to protect an occupant of a vehicle; an inflator for inflating said inflatable device; at least one tether connected with said inflatable device for applying force to said inflatable device during inflation which force controls the location of said inflatable device when inflated; at least one sensor for sensing at least one condition relevant to a determination of where to locate said inflatable device when inflated; and a tether tension control mechanism responsive to said sensor for tensioning said at least one tether in accordance with said sensing of said at least one condition to cause said tether to apply said force by shortening which controls the location of said inflatable device when inflated.
Claim 3
Dependent Claim 40 words
An apparatus as set forth in claim 1 wherein said inflatable device has an inboard portion and an outboard portion, and wherein said at least one tether comprises an inboard tether connected with said inboard portion of said inflatable device.
Claim 4
Dependent Claim 40 words
An apparatus as set forth in claim 1 wherein said inflatable device has an inboard portion and an outboard portion, and wherein said at least one tether comprises an outboard tether connected with said outboard portion of said inflatable device.
Claim 5
Dependent Claim 78 words
An apparatus as set forth in claim 1 comprising a container for said air bag, said air bag having a mouth portion attached to said container and a body portion, said tether comprising a strap that extends from said container to said body portion of said air bag and that is shortened and tensioned by said tether tension control mechanism to cause said tether to apply said force which controls the location of said inflatable device when inflated.
Claim 6
Dependent Claim 19 words
An apparatus as set forth in claim 1 wherein said tether tension control mechanism comprises an actuatable pyrotechnic device.
Claim 7
Dependent Claim 27 words
An apparatus as set forth in claim 5 further comprising a controller operatively connected with said at least one sensor for controlling actuation of said pyrotechnic device.
Claim 8
Dependent Claim 78 words
An apparatus as set forth in claim 1 wherein said tether tension control mechanism comprises at least one electrically actuatable tensioning device for tensioning said tether to cause said tether to apply said force which controls the location of said inflatable device when inflated and said occupant protection apparatus comprises a controller operatively connected with said at least one sensor for controlling actuation of said tensioning device in accordance with said sensing of said at least one condition.
Claim 9
Dependent Claim 17 words
An apparatus as set forth in claim 7 wherein said at least one condition is occupant position.
Claim 10
Dependent Claim 40 words
An apparatus as set forth in claim 7 wherein said tether tension control mechanism comprises an actuator having a rotatable spool on which said at least one tether is windable to shorten and thereby tension said at least one tether.
Claim 11
Dependent Claim 21 words
An apparatus as set forth in claim 1 wherein said at least one tether is disposed outside of said inflatable device.
Claim 12
Dependent Claim 45 words
An apparatus as set forth in claim 1 wherein said at least one tether comprises a plurality of tethers connected with said inflatable device, said tether tension control mechanism tensioning said plurality of tethers in accordance with said sensing of said at least one condition.
Claim 13
Dependent Claim 51 words
An apparatus as set forth in claim 11 wherein said tether tension control mechanism comprises a plurality of individually actuatable tensioning devices associated with said plurality of tethers, and further comprising vehicle electric circuitry responsive to said at least one sensor for selectively actuating one or more of said tensioning devices.
Claim 14
Dependent Claim 20 words
An apparatus as set forth in claim 12 wherein each one of said tensioning devices comprises an actuatable pyrotechnic device.
Claim 15
Dependent Claim 27 words
An apparatus as set forth in claim 13 further comprising a controller operatively connected with said at least one sensor for controlling actuation of said tensioning devices.
Claim 16
Dependent Claim 52 words
An apparatus as set forth in claim 11 wherein said inflatable device has an inboard portion and an outboard portion, and wherein said plurality of tethers comprises an inboard tether connected with said inboard portion of said inflatable device and an outboard tether connected with said outboard portion of said inflatable device.
Claim 17
Dependent Claim 46 words
An apparatus as set forth in claim 15 wherein said tether tension control mechanism comprises a first tensioning device associated with said inboard tether and a second tensioning device associated with said outboard tether, said second tensioning device being actuatable independently of said first tensioning device.
Claim 18
Dependent Claim 88 words
A vehicle occupant protection apparatus comprising: an inflatable device having a deflated condition and having an inflated condition for helping to protect an occupant of a vehicle; an actuatable inflator for inflating said inflatable device; a plurality of tethers connected with said inflatable device at spaced apart locations; and a tether tension control mechanism actuatable independently of said inflator for varying the location of said inflatable device when inflated by controlling the tensioning of said plurality of tethers by shortening at least one of said plurality of tethers.
Claim 19
Dependent Claim 88 words
A vehicle occupant protection apparatus comprising: an inflatable device having a deflated condition and having an inflated condition for helping to protect an occupant of a vehicle; an actuatable inflator for inflating said inflatable device; a plurality of tethers connected with said inflatable device at spaced apart locations; and a tether tension control mechanism actuatable independently of said inflator for varying the location of said inflatable device when inflated by controlling the tensioning of said plurality of tethers by shortening at least one of said plurality of tethers.
Claim 20
Dependent Claim 65 words
An apparatus as set forth in claim 17 wherein said tether tension control mechanism comprises a plurality of electrically actuatable tensioning devices associated one with each tether, said apparatus further comprising a condition sensor for sensing at least one condition and a controller operatively connected with said sensor for controlling actuation of said tensioning devices in accordance with said sensing of at least one condition.
Claim 21
Dependent Claim 15 words
An apparatus as set forth in claim 18 wherein said sensed condition is occupant position.

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2004-11-12 2005-05-14 2005-11-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2008-11-12 2009-05-14 2009-11-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2012-11-12 2013-05-14 2013-11-13 $7700.00 Window Closed / Lapsed

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