Locking device for seatbelt systems
First Claim
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1. A seatbelt locking device for a vehicle comprising:
- a frame which is attached to the vehicle;
a retractor shaft which is supported on the frame and which retracts a passenger-restraining seatbelt;
a first locking arm which is pivotably supported on the frame;
a first seatbelt-turning part coupled to the tip of the locking arm and around which an unretracted portion of the seatbelt is turned, said first seatbelt-turning part being further coupled to said first locking arm such that said first locking arm is caused to rotate when the tension on the unretracted portion of the seatbelt reaches a specified value whereby the seatbelt is clamped and locked between the first seatbelt-turning part and the frame; and
a second locking arm on whose tip is installed a second seatbelt-turning part fastened to the first locking arm so that the two locking arms are inclined at a specified angle relative to each other, and wherein the unretracted portion of the seatbelt which is turned around the first seatbelt-turning part in one direction is turned around the second seatbelt-turning part in an opposite direction.
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Abstract
A seatbelt locking device for seatbelt systems including an arm rotatably supported on a frame which rotatably supports a seatbelt retractor shaft. One end of the arm contacts an unretracted portion of the seatbelt and detects the tension on the unretracted portion of the seatbelt. The arm, seatbelt and frame are arranged and configured such that the seatbelt is clamped and securely locked between the end of the arm and the frame when the tension of the seatbelt exceeds some predetermined amount during a vehicular emergency.
10 Citations
2 Claims
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1. A seatbelt locking device for a vehicle comprising:
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a frame which is attached to the vehicle; a retractor shaft which is supported on the frame and which retracts a passenger-restraining seatbelt; a first locking arm which is pivotably supported on the frame; a first seatbelt-turning part coupled to the tip of the locking arm and around which an unretracted portion of the seatbelt is turned, said first seatbelt-turning part being further coupled to said first locking arm such that said first locking arm is caused to rotate when the tension on the unretracted portion of the seatbelt reaches a specified value whereby the seatbelt is clamped and locked between the first seatbelt-turning part and the frame; and a second locking arm on whose tip is installed a second seatbelt-turning part fastened to the first locking arm so that the two locking arms are inclined at a specified angle relative to each other, and wherein the unretracted portion of the seatbelt which is turned around the first seatbelt-turning part in one direction is turned around the second seatbelt-turning part in an opposite direction. - View Dependent Claims (2)
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Specification
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Current AssigneeKabushiki Kaisha Tokai RIKA Denki Seisakusho, Toyota Jidosha Kogyo Kabushiki Kaisha (Toyota Motor Corporation)
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Original AssigneeKabushiki Kaisha Tokai RIKA Denki Seisakusho, Toyota Jidosha Kogyo Kabushiki Kaisha (Toyota Motor Corporation)
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InventorsYoshitsugu, Noritada, Tsujiuchi, Yoshio, Katsuno, Mitsuaki, Yasumatsu, Jun
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Primary Examiner(s)Jillions, John M.
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Application NumberUS06/000,871Time in Patent Office523 DaysField of Search242/107.2, 242/107.4 R, 242/107.4 B, 242/107.4 A, 242/107.4 C-107.4 E, 297/388, 188/65.1, 188/72.9, 188/188, 280/802-803, 280/806, 280/807, 280/808US Class Current242/381.4CPC Class CodesB60R 22/42 having means for acting dir...
