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公开(公告)号：US3556505A
公开(公告)日：1971-01-19
申请号：US3556505D
申请日：1968-08-06
Applicant: TOYOTA MOTOR CO LTD
Inventor： OHTA SEIZHO , KAGE MOTOKUNI
CPC classification number: A47C7/30
Abstract: Cushioning spring device for seat structure comprises seat frame having front and rear horizontal members and seat frame line having one end supported by front horizontal member and rear edge arranged with constant space relative to rear horizontal member. Improvement comprises at least two cushioning members located within the space formed by seat members located within the space formed by seat frame line and rear horizontal member. Cushioning members are substantially parallel to rear horizontal member and are connected between seat frame line and rear horizontal member. Improvement also includes spring member stretched between seat frame line and rear horizontal member of seat frame.
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Patent Agency Ranking
公开(公告)号：US3515434A
公开(公告)日：1970-06-02
申请号：US3515434D
申请日：1968-09-06
Applicant: TOYOTA MOTOR CO LTD
Inventor： SUGIURA KOICHI , OHTA SEIZHO , SEO KIYOKAZU
CPC classification number: B60N2/4802
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公开(公告)号：US3554526A
公开(公告)日：1971-01-12
申请号：US3554526D
申请日：1968-07-26
Applicant: TOYOTA MOTOR CO LTD
Inventor： OHTA SEIZHO , KAGE MOTOKUNI
CPC classification number: A47C7/30
Abstract: Seat comprises seat frame with seat frame line elastically supported above seat frame. Zigzag-line spring members are stretched in parallel over spring frame line between forward and rearward portions of line. Seat cushioning spring device includes upwardly extending portion of front of seat frame located behind forward portion of seat frame line and terminal portions of zigzag-line spring members folded back in acute angle from forward portion of seat frame line to connection points on upwardly extending portion of seat frame. Upwardly extending portion on seat frame supports zigzag-line spring members on seat frame line when excessive load is placed upon seat cushioning spring device.
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公开(公告)号：US3528703A
公开(公告)日：1970-09-15
申请号：US3528703D
申请日：1968-06-07
Applicant: TOYOTA MOTOR CO LTD
Inventor： OHTA SEIZHO
CPC classification number: B60N2/4885 , B60N2/485
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公开(公告)号：US3567282A
公开(公告)日：1971-03-02
申请号：US3567282D
申请日：1968-10-02
Applicant: TOYOTA MOTOR CO LTD
Inventor： OHTA SEIZHO , KAGE MOTOKUNI
CPC classification number: B60N2/4817
Abstract: AN ADJUSTABLE HEAD REST FOR A VEHICLE SEAT IS FORMED BY A SUPPORT ROD FITTED AT ITS UPPER END INTO A HEAD REST MEMBER AND AT ITS LOWER END INTO THE FRAME OF THE VEHICLE SEAT. MEANS ARE ADJUSTABLY POSITIONABLE ON THE SUPPORTING ROD FOR VARYING THE HEIGHT OF THE HEAD REST ABOVE SEAT. FOR SUCH ADJACENT POSITIONING, RECESSES ARE FORMED ALONG ONE SIDE OF THE SUPPORTING ROD. A RETAINING MEMBER, SECURED TO THE VEHICLE SEAT, HAS AN EDGE ENGAGEABLE WITH ONE OF THE RECESSES AND A BIASING STRIP FOR ACTING ON THE OPPOSITE SIDE OF THE SUPPORTING ROD TO BRING ONE OF THE RECESSES
INTO ENGAGEMENT WITH THE EDGE. A GUIDE MEMBER FOR GUIDING THE SUPPORTING ROD IN ITS LONGITUDINAL DIRECTION HAS AN EDGE SERVING AS A BEARING POINT FOR THE SUPPORTING ROD TO BE SWUNG AGAINST THE BIASING FORCE OF THE BIASING STRIP.-
公开(公告)号：US3563602A
公开(公告)日：1971-02-16
申请号：US3563602D
申请日：1968-10-02
Applicant: TOYOTA MOTOR CO LTD
Inventor： OHTA SEIZHO , KAGE MOTOKUNI
CPC classification number: B60N2/4817
Abstract: An adjustable head rest for a vehicle seat is formed by supporting rod fitted at its upper end into a head rest member and at its lower end into the frame of the vehicle seat. Means are adjustably positionable on the supporting rod for varying the height of the head rest above the seat. For such adjustable positioning a plurality of recesses are formed along the supporting rod. The edge of a hole through which the supporting rod passes is brought into engagement within one of the recesses under the biasing force of a resilient tongue in the retaining member propped against the supporting rod.
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