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1. 发明公开

US20240262311A1 VEHICLE SEAT, AND METHOD FOR MANUFACTURING VEHICLE SEAT 审中-公开
公开(公告)号：US20240262311A1
公开(公告)日：2024-08-08
申请号：US18567864
申请日：2022-06-16
申请人： DELTA KOGYO CO., LTD.
发明人： Toshihiko TOMITA , Noritoshi KOBAYASHI , Yuji SATO , Daiki INOUE
IPC分类号： B60R21/2165 , B60N2/64 , B60R21/207
CPC分类号： B60R21/2165 , B60N2/646 , B60R21/207
摘要： A vehicle seat has high designability and achieves control of a deployment speed of a side airbag. A seat includes: a bolster part; a shoulder part; a cover for each the bolster part and the shoulder part; and an airbag sleeve in the bolster part. The airbag sleeve includes; a first section extending along a first tear line serving as a seam of a first cover piece and a second cover piece; and a second section extending across a second lateral directional line serving as a seam of the second cover piece and a fourth cover piece. The first section is sewn with the second cover piece along the first tear line. The second section is sewn with a set of the second cover piece and the fourth cover piece in such a manner as to enclose and sandwich a seam allowance extending along the second lateral directional line.

2. 发明授权

US12005820B2 Seat suspension mechanism 有权
公开(公告)号：US12005820B2
公开(公告)日：2024-06-11
申请号：US17770371
申请日：2020-10-22
申请人： DELTA KOGYO CO., LTD.
发明人： Etsunori Fujita , Ryuji Kuwano , Soichi Makita
IPC分类号： B60N2/00 , B60N2/50 , B60N2/52 , B60N2/54
CPC分类号： B60N2/522 , B60N2/507 , B60N2/544
摘要： A body weight adjustment mechanism for automatic adjustment to a balanced point is provided to improve vibration absorption characteristics and impact absorption characteristics. A torsion angle of a lower frame-side torsion bar when an upper frame is at a balanced point is found in advance, a torsion angle of the lower frame-side torsion bar in a state in which a person is seated is detected, the detected torsion angle is compared with the aforesaid balanced point torsion angle, a control signal is sent to an elastic force adjusting unit, and torsion angles of upper frame-side torsion bars are adjusted so that the torsion angle of the lower frame-side torsion bar becomes equal to the balanced point torsion angle. The upper frame can be set to an appropriate position in an initial state and a static state in which a person is seated and vibration and impact absorption characteristics are improved.

3. 发明授权

US11833934B2 Seat slide adjuster 有权
公开(公告)号：US11833934B2
公开(公告)日：2023-12-05
申请号：US17631339
申请日：2020-07-31
申请人： DELTA KOGYO CO., LTD.
发明人： Kiyonori Umezaki , Etsunori Fujita
IPC分类号： B60N2/07
CPC分类号： B60N2/0727 , B60N2/0705 , B60N2/0715 , B60N2205/20
摘要： Rattling and abnormal sound between an upper rail and a lower rail are reduced, and sliding is more smoothly performed. Sliding resistance reducing members (14, 15) include retainers (141, 151) formed each in a substantially L shape in a cross section and including first retaining wall portions (1411, 1511) and second retaining wall portions (1412, 1512) located between vertical wall portions (11b, 12d) and between bottom wall portions (11a, 12c) of a lower rail (11) and an upper rail (12). The first ball members (142, 152) are disposed in middle positions of the first retaining wall portions (1411, 1511), and the second ball members (143, 153) are disposed in positions apart from the vertical wall portions toward the center in the width direction of the lower rail (11) in the second retaining wall portions (1412, 1512).

4. 发明申请

US20230075793A1 SLIDING DEVICE 有权
公开(公告)号：US20230075793A1
公开(公告)日：2023-03-09
申请号：US17904077
申请日：2021-03-23
申请人： DELTA KOGYO CO., LTD.
发明人： Yuu INASAKO , Hiroshi DANJO
IPC分类号： B60N2/08 , B60N2/07
摘要： Provided is a sliding device which can avoid unintended locking release without depending on an excessive engagement force of an engagement member. The sliding device includes a lock mechanism that locks an upper rail to a lower rail. The lock mechanism includes: an engagement member that shifts in the upper rail between a locking position and a release position; a first urging member that gives an urging force to the engagement member in a direction from the release position to the locking position; and an operation member for shifting the engagement member from the locking position to the release position. The operation member comprises a shift restrictor that keeps the engagement member from shifting to the release position when the engagement member is in the locking position.

5. 发明申请

US20230068401A1 LASER WELDING METHOD AND LASER WELDING DEVICE 有权
公开(公告)号：US20230068401A1
公开(公告)日：2023-03-02
申请号：US17759914
申请日：2021-02-08
申请人： DELTA KOGYO CO., LTD.
发明人： Yukio YAMAMOTO , Tomohito TSUDO , Masashi HIRAOKA , Seiya TAKAHASHI
IPC分类号： B23K26/21
摘要： A laser welding method is a method for joining a first member in the shape of a plate and made of a metal material to a second member made of a metal material by laser welding. The laser welding method includes an arranging step and a laser beam irradiation step. In the arranging step, the second member is brought into contact with or brought close to one main surface of the first member. In the laser beam irradiation step, the other main surface of the first member is irradiated with the laser beam, the other surface being a main surface opposite to the one main surface of the first member. In the laser beam irradiation step, the first member and the second member are melted to form a weld portion having a substantially circular or oval shape in a plan view and to form a fillet on a joined portion between the first member and the second member.

6. 发明申请

US20220396187A1 SEAT SUSPENSION MECHANISM 有权
公开(公告)号：US20220396187A1
公开(公告)日：2022-12-15
申请号：US17770371
申请日：2020-10-22
申请人： DELTA KOGYO CO., LTD.
发明人： Etsunori FUJITA , Ryuji KUWANO , Soichi MAKITA
IPC分类号： B60N2/52 , B60N2/54 , B60N2/50
摘要： A body weight adjustment mechanism for automatic adjustment to a balanced point is provided to improve vibration absorption characteristics and impact absorption characteristics. A torsion angle of a lower frame-side torsion bar when an upper frame is at a balanced point is found in advance, a torsion angle of the lower frame-side torsion bar in a state in which a person is seated is detected, the detected torsion angle is compared with the aforesaid balanced point torsion angle, a control signal is sent to an elastic force adjusting unit, and torsion angles of upper frame-side torsion bars are adjusted so that the torsion angle of the lower frame-side torsion bar becomes equal to the balanced point torsion angle. The upper frame can be set to an appropriate position in an initial state and a static state in which a person is seated and vibration and impact absorption characteristics are improved.

7. 发明申请

US20220153172A1 SEAT 有权
公开(公告)号：US20220153172A1
公开(公告)日：2022-05-19
申请号：US17602016
申请日：2020-06-02
申请人： DELTA KOGYO CO., LTD.
发明人： Katsumi SUMOTO , Daiki INOUE , Yuji SATO , Masashi MUKAI
IPC分类号： B60N2/60
摘要： Provided is a seat having an improved appearance by hiding a section where a trim cover is attached to a backboard from an outside. A seat includes: a seat pad; a backboard disposed on a back surface of the seat pad; a trim cover covering a front surface of the seat pad; a terminal member attached to the trim cover along an end thereof, and a connection member attached to an end of the backboard for connecting the terminal member thereto. The terminal member is connected to the connection member in a state where the terminal member and the connection member are covered with the trim cover from an outside, so that the end of the trim cover is fastened to the end of the backboard.

8. 发明申请

US20210309133A1 SUSPENSION MECHANISM, MULTI-SUSPENSION MECHANISM AND DAMPER 有权
公开(公告)号：US20210309133A1
公开(公告)日：2021-10-07
申请号：US17057203
申请日：2019-05-20
申请人： DELTA KOGYO CO., LTD.
发明人： Etsunori FUJITA , Eiji SUGIMOTO , Yumi OGURA , Soichi MAKITA , Masahiro MASHINO , Shigeyuki KOJIMA , Atsushi NISHIDA , Jun FUKUDA , Ryuji KUWANO
IPC分类号： B60N2/52 , B60N2/50 , B60N2/54
摘要： There are improved a vibration absorption characteristic and an impact absorption characteristic. In a suspension mechanism 1 of the present invention, first and second dampers (150, 160) are suspended in parallel between an upper frame (120) and a lower frame (110) with mounting angles different from each other. For this reason, the smaller mounting angle the damper has, the smaller a vertical component of damping force becomes, and the damping force which acts on the upper frame (120) and the lower frame (110) which move up and down relatively is moderate in effectiveness as compared with a case of disposing all the dampers at the same mounting angle. Thus, a sense of incongruity in which strong damping force acts abruptly is suppressed and the vibration absorption characteristic and the impact absorption characteristic are improved, which leads to improvement in ride comfort.

9. 发明申请

US20210261027A1 SEAT 有权
公开(公告)号：US20210261027A1
公开(公告)日：2021-08-26
申请号：US17252059
申请日：2019-10-17
申请人： DELTA KOGYO CO., LTD.
发明人： Atsushi ONJI , Takafumi FUJINO , Yohei NAGATO
IPC分类号： B60N2/58
摘要： A seat has a seat cushion unit including: a seat cushion frame; a seat pad which lies over the seat cushion frame; and a trim which covers the seat pad. The trim includes: a trim main body which mainly covers a top surface of the seat pad; a first trim joiner which extends from the trim main body to a backside of the seat cushion frame at the rear of the seat pad, and is fastened to the seat cushion frame; and a second trim joiner which is connected to a back surface of the trim main body in at least one of left and right end regions of the rear of the seat cushion unit, extends to the backside of the seat cushion frame at the rear of the seat pad, and is fastened to the seat cushion frame.

10. 发明授权

US10582773B2 Seat reclining device and seat 有权
公开(公告)号：US10582773B2
公开(公告)日：2020-03-10
申请号：US15573520
申请日：2016-09-13
申请人： DELTA KOGYO CO., LTD.
发明人： Etsunori Fujita , Mitsuhiro Yamashita
IPC分类号： A47C1/025 , B60N2/235
摘要： Wobbling among components is reduced. The seat reclining device includes: outer rolling members (80) disposed between a ring-shaped bottom surface portion (71) of a mounting ring (70) and an outer surface of a guide bracket (20) or an outer surface of an internal gear (30), that faces the ring-shaped bottom surface portion (71); and inner rolling members (90) which are disposed between opposed surfaces of guide groove portions of the guide bracket (20) and lock plates (60A to 60D) to guide the lock plates (60A, 60C) in a radial direction. Owing to the outer rolling members (80) and the inner rolling members (90), force pressing stacked members relatively to one another functions in a stacking direction, and as its reaction force, spring force of the mounting ring (70) acts, so that wobbling is reduced. As for the relative pressing force by the outer rolling members (80) and the inner rolling members (90), the pressing force by the rolling members (80, 90) acts not only in a locked state but also in an unlocked state, so that wobbling among the members is reduced in the both states.

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