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公开(公告)号：JP4182024B2
公开(公告)日：2008-11-19
申请号：JP2004118820
申请日：2004-04-14
Applicant: トヨタ自動車株式会社 , 日本発条株式会社
IPC: B60R21/045
Abstract: PROBLEM TO BE SOLVED: To provide an active knee bolster which is miniaturized and capable of returning a knee protective device from the constraint position to the storage position. SOLUTION: An actuator 32 of the active knee bolster 24 comprises an inner cylinder 48 with a lower limb constraint unit 30 supported by a rear end 48A, an outer cylinder 46 which is fixed to an instrument panel reinforcement 33 of a vehicle body to movably support the inner cylinder 48 inside, a motor 59 which is provided in the inner cylinder 48, and fixed to a front end 46B of the outer cylinder 46 to move the inner cylinder 48 between the constraint position and the storage position, and a planetary gear 70 which is installed in the inner cylinder 48, and connected to the motor 59 to move the inner cylinder 48. COPYRIGHT: (C)2006,JPO&NCIPI
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公开(公告)号：JP4174373B2
公开(公告)日：2008-10-29
申请号：JP2003138446
申请日：2003-05-16
Applicant: トヨタ自動車株式会社 , 日本発条株式会社
IPC: B60R21/045 , B60R21/08
Abstract: PROBLEM TO BE SOLVED: To increase the constraining performance for the lower limbs of a passenger by a lower limb constraining means for various kinds of sitting postures of the passenger who sits on a passenger seat. SOLUTION: The lower limb constraining section 30 of an active knee bolster 24 is constituted of an area of an instrument panel 18 facing the passenger seat 20 (specified region), and the width of the lower limb constraining section 30 is made larger than the width of the passenger seat 20. Also, a glove box 34 is arranged in the lower limb constraining section 30 of the instrument panel facing the passenger seat 20. When a motor 62 which constitutes the actuator 32 of the active knee bolster 24 operates, a sector gear 46 rotates on a sector shaft 50 through a gear box 64, and the lower limb constraining section 30 of the instrument panel 18 rotates on a shaft 40 and moves to a lower limb constraining position. COPYRIGHT: (C)2005,JPO&NCIPI
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公开(公告)号：JP4174333B2
公开(公告)日：2008-10-29
申请号：JP2003015824
申请日：2003-01-24
Applicant: トヨタ自動車株式会社 , 日本発条株式会社
IPC: B60R21/045 , B60R21/08
Abstract: PROBLEM TO BE SOLVED: To improve outer appearance quality of a lower leg constraining device arranging part on an instrument panel and to prevent damage of the lower leg constraining device at the time of working. SOLUTION: A shear line 36 to break at the time when an active knee bolster 24 works is formed on the instrument panel 18, and the shear line 36 is provided at a position to break an area larger than a lower leg constraining surface 35 including the lower leg constraining surface 35 on the main body 30 of the active knee bolster 24. A thick part 40 is formed along the shear line 36 in the inner peripheral part of the shear line 36 and a recessed part 42 is formed along the thick part 40 in the inner peripheral part of the thick part 40 on the side of a back surface 18B of the instrument panel 18. COPYRIGHT: (C)2004,JPO&NCIPI
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公开(公告)号：JP4136876B2
公开(公告)日：2008-08-20
申请号：JP2003340103
申请日：2003-09-30
Applicant: トヨタ自動車株式会社 , 日本発条株式会社
IPC: B60R21/045 , B60R21/08
Abstract: PROBLEM TO BE SOLVED: To lessen the thickness of an energy absorbing member and allow the member to be deformed to a large extent when it collides with a leg of a person. SOLUTION: An active knee bolster 24 is composed of a leg restraining part 30 to restrain the leg of an occupant seated on a front seat and an actuator 32 as an actuating device for moving the device 30 to the leg restraining position. The leg restraining part 30 of the active knee bolster 24 is provided with a panel 30A in a rectangular shape abutting to the lower limb (in particular, the knee) 28A of the occupant 28, and a rib 30B as the energy absorbing member is installed on the panel counter side to the restraining surface (front face of the body). The rib 30B has a continuous spiral shape stretching to the outside from the center of the panel 30A. COPYRIGHT: (C)2005,JPO&NCIPI
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公开(公告)号：JP4095928B2
公开(公告)日：2008-06-04
申请号：JP2003138445
申请日：2003-05-16
Applicant: トヨタ自動車株式会社 , 日本発条株式会社
IPC: B60R21/045
Abstract: PROBLEM TO BE SOLVED: To increase the constraining performance for an objective passenger by a lower limb constraining means when the objective passenger is sitting on a seat under a leg opened state. SOLUTION: A leg opening preventing device 40 which prevents the legs of the passenger 28 from being opened is arranged on a front side door 38. The leg opening preventing device 40 is constituted of a main body 42 which prevents the leg parts 28B of the passenger 28 from being placed under a crotch opened state by coming into contact with a vicinity of the knee of the right leg of the passenger 28 who sits on the seat 20, and an actuator 44 which moves the main body 42. Also, the leg opening preventing device 40 is arranged in a console box 45 as well, and the main body 42 comes into contact with a vicinity of the knee of the left leg of the passenger 28 who sits on the seat 20. COPYRIGHT: (C)2005,JPO&NCIPI
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Patent Agency Ranking
公开(公告)号：JP4174398B2
公开(公告)日：2008-10-29
申请号：JP2003329986
申请日：2003-09-22
Applicant: トヨタ自動車株式会社 , 日本発条株式会社
IPC: B60R21/045 , B60R21/08 , B60R21/20 , B60R21/206 , B60R21/26
Abstract: PROBLEM TO BE SOLVED: To provide an occupant crash protection device allowing optimal restricting performance in response to a collision state. SOLUTION: When a control circuit 14 determines based on a detection signal from an acceleration sensor 12 that a vehicle body collides at a collision acceleration not lower than a predetermined value, an inflater 40 is operated and both of the active knee bolster 24 and knee air bag 26 are operated by a branch valve 42. When the control circuit 14 determines that the vehicle body collides at a collision acceleration lower than the predetermined value, the inflater 40 is operated and only the knee air bag 26 is operated by the branch valve 42. COPYRIGHT: (C)2005,JPO&NCIPI
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公开(公告)号：JP4141267B2
公开(公告)日：2008-08-27
申请号：JP2003014150
申请日：2003-01-23
Applicant: トヨタ自動車株式会社 , 日本発条株式会社
IPC: B60R21/045 , B60R21/08
Abstract: PROBLEM TO BE SOLVED: To make certainly constrainable the movement of an occupant to the front of a vehicle even in a state where the left and right leg parts of the occupant open. SOLUTION: A control circuit 14 actuates an actuator 32 of an active knee bolster 24, and a lower leg of the occupant is constrained by a main body 30 of the active knee bolster 24. At this time, the actuator 32 works, the main body 30 rotates and moves to the side of a lower leg part 28A of the occupant 28 around a connecting shaft with a car body arranged along the car width direction on a lower part of a base part 33 as its center, an opening leg restraining cylinder 40 works, and the EA material 35 rotates and moves in the thigh inside direction of the occupant 28 (arrow B direction) from a storing position around the connecting shaft 42 as its center and moves to a lower leg constraining position. COPYRIGHT: (C)2004,JPO&NCIPI
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公开(公告)号：JP4030467B2
公开(公告)日：2008-01-09
申请号：JP2003152853
申请日：2003-05-29
Applicant: トヨタ自動車株式会社 , 日本発条株式会社
IPC: B60R21/045 , B60R21/08 , B60R21/00 , B60R21/16
Abstract: PROBLEM TO BE SOLVED: To improve the convenience of an instrument panel in a normal working state. SOLUTION: When a lower limb restricting part 30 of an active knee bolster 24 rotates downward, a glove box 50 pressed to the lower limb restricting part 30 from the upside rotates downward about a pin 58, and an opening 52 for a change box of the instrument panel 18 is opened. Thus, the lower limb restricting part 30 can be moved to a lower limb restricting position through the opening 52 for the change box. Therefore, in a normal state, an arrangement position of the lower limb restricting part 30 of the active knee bolster 24 is set over the glove box 50 different from the glove box 50. COPYRIGHT: (C)2005,JPO&NCIPI
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公开(公告)号：JP4174375B2
公开(公告)日：2008-10-29
申请号：JP2003152857
申请日：2003-05-29
Applicant: トヨタ自動車株式会社 , 日本発条株式会社
IPC: B60R21/045 , B60R21/08 , B60R21/00 , B60R21/02 , B60R21/16
Abstract: PROBLEM TO BE SOLVED: To certainly restrict the lower limb of an occupant by enlarging a lower limb restricting range. SOLUTION: When a control circuit 14 operates an inflater 36, gas from an inflater 36 is discharged via a gas passage 38 to each actuator 32 of left and right active knee bolsters 24 and 25 and to an actuator 46 of an active knee bolster 42. As a result, a lower limb restricting part 30 of the left and right active knee bolsters 24 and 25 moves straightly to the lower limb 28A side (the arrow A direction) of the occupant 28, and a lower limb restricting part 44 of the active knee bolster 42 formed of a lower part 40A of a column cover 40 rotates to the lower limb 28A side (the arrow A direction) of the occupant 28. COPYRIGHT: (C)2005,JPO&NCIPI
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公开(公告)号：JP4141265B2
公开(公告)日：2008-08-27
申请号：JP2003010991
申请日：2003-01-20
Applicant: トヨタ自動車株式会社 , 日本発条株式会社
IPC: B60R21/045 , B60R21/00 , B60R21/0136 , B60R21/08 , B60R21/16 , B60R21/20
Abstract: PROBLEM TO BE SOLVED: To achieve an impact absorption suitable for the physique of an occupant by with a simple constitution and by a simple control. SOLUTION: An EA (energy absorption) material 31 on a main body 30 of an active knee bolster 26 is constituted by laminating EA materials 31A, 31B, 31C different in loading characteristics from each other. Consequently, the loading characteristic F against a deformation stroke S of the EA material 31 at the time when a lower leg 28A of the occupant 28 seated on a seat 20 makes contact with the main body 30 of the active knee bolster 26 becomes loading characteristics F=F1+F2+F3, where F1 is a loading characteristic of the EA material 31A, F2 is a loading characteristic of the EA material 31B and F3 is a loading characteristic of the EA material 31C. COPYRIGHT: (C)2004,JPO&NCIPI
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