Patents by Inventor Youji Nagashima
Youji Nagashima has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8727431Abstract: A sunshade stopper is provided at a housing connecting a pair of guide rails that slidably supports a sunshade on a ceiling of a vehicle interior. The sunshade stopper includes a corresponding portion arranged at a position corresponding to an end portion of the sunshade during the sunshade is at the closed position, at least one contact portion provided on the corresponding portion that makes contact with at least a portion of the end portion of the sunshade during the sunshade is at the closed position, the contact portion formed with a form fitting the end portion of the sunshade that makes contact with the contact portion, and an attaching portion configured to be fixed to a vehicle, provided at a position in a direction opposite to where the ceiling is provided relative to the corresponding portion and extending in a direction in which the sunshade opens.Type: GrantFiled: October 23, 2012Date of Patent: May 20, 2014Assignee: Aisin Seiki Kabushiki KaishaInventors: Youji Nagashima, Masaji Ishikawa
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Patent number: 8292359Abstract: A roof apparatus for a vehicle, includes a pair of guide rails, a movable panel, a housing, a casing, and a first spur tooth rack belt and a second spur tooth rack belt for transmitting a drive force of a drive mechanism to the movable panel. The first spur tooth rack belt includes plural first spur teeth and the second spur tooth rack belt includes plural second spur teeth, and a slope portion inclined upward toward a rear side of the vehicle is provided forward of each of the pair of guide rails. A pair of guide portions is provided at each of the guide rails for guiding the first spur tooth rack belt and the second spur tooth rack belt. A cutout portion is formed at a front end portion of each of the guide rails.Type: GrantFiled: July 21, 2011Date of Patent: October 23, 2012Assignee: Aisin Seiki Kabushiki KaishaInventors: Jun Maruyama, Youji Nagashima, Noboru Iwanaga
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Publication number: 20120248826Abstract: A panel structure of a sunroof, includes a roof panel for opening and closing an opening of a vehicle roof, an inner panel fixedly attached to a bottom surface of the roof panel along a first outer peripheral portion of the roof panel, an engaging recessed portion provided at the inner panel and curved in a downward direction along the first outer peripheral portion, a second outer peripheral portion provided at the inner panel and positioned below the roof panel while being apart from the roof panel and being directed toward an edge portion of the opening, a weather strip mounted on the first outer peripheral portion, an engaging protruding portion provided at the weather strip, and a seal portion provided at the weather strip and being elastically contactable with the edge portion.Type: ApplicationFiled: March 27, 2012Publication date: October 4, 2012Inventors: Shota MOTOMURA, Youji Nagashima, Masahiko Abe
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Publication number: 20120112496Abstract: A roof apparatus for a vehicle, includes a pair of guide rails, a movable panel, a housing, a casing, and a first spur tooth rack belt and a second spur tooth rack belt for transmitting a drive force of a drive mechanism to the movable panel. The first spur tooth rack belt includes plural first spur teeth and the second spur tooth rack belt includes plural second spur teeth, and a slope portion inclined upward toward a rear side of the vehicle is provided forward of each of the pair of guide rails. A pair of guide portions is provided at each of the guide rails for guiding the first spur tooth rack belt and the second spur tooth rack belt. A cutout portion is formed at a front end portion of each of the guide rails.Type: ApplicationFiled: July 21, 2011Publication date: May 10, 2012Inventors: Jun MARUYAMA, Youji NAGASHIMA, Noboru IWANAGA
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Patent number: 7344188Abstract: A sunroof device including a movable panel (13), a functional bracket (24) for supporting the movable panel (13), a guide rail (21), a shoe (30) for moving along the guide rail (21), a check member (31, 32) engageable with the shoe (30), a raising and lowering member (33, 34) for pivotally supporting the check member (31, 32), and an urging member (61) for urging the check member (31, 32). The check member (31, 32) and the shoe (30) are set in one of an engaged state, in which they are moved integrally, and a disengaged state, in which they are separated. The raising and lowering member moves the functional bracket upward or downward in cooperation with movement of the check member (31, 32) in the engaged state. The urging member (61) turns over the check member (31, 32) with an urging force to set the check member in the disengaged state.Type: GrantFiled: November 30, 2004Date of Patent: March 18, 2008Assignee: Aisin Seiki Kabushiki KaishaInventors: Kazuki Sawada, Toshio Iwata, Youji Nagashima, Kiyozumi Fukami
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Publication number: 20070182219Abstract: A sunroof apparatus for use in an automotive vehicle having a roof with an opening portion includes a movable panel, a supporting mechanism supporting the movable panel, an actuating device generating an actuating force for actuating the movable panel, a transmitting mechanism transmitting the actuating force, the transmitting mechanism having a rack belt made of resin and engaging with an actuating gear of the actuating device and a guiding member guiding the rack belt so as to be slidable, wherein the rack belt includes a plurality of longitudinally disposed and alternately spaced rack teeth and grooves, each of the grooves being provided with a protruding portion bridging two adjacent rack teeth at a mid portion of each groove, and a core wire embedded within the protruding portion of the rack belt so as to extend in a longitudinal direction of the rack belt.Type: ApplicationFiled: February 5, 2007Publication date: August 9, 2007Inventors: Keiji Mori, Youji Nagashima
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Publication number: 20070085385Abstract: A sunroof device including a movable panel (13), a functional bracket (24) for supporting the movable panel (13), a guide rail (21), a shoe (30) for moving along the guide rail (21), a check member (31, 32) engageable with the shoe (30), a raising and lowering member (33, 34) for pivotally supporting the check member (31, 32), and an urging member (61) for urging the check member (31, 32). The check member (31, 32) and the shoe (30) are set in one of an engaged state, in which they are moved integrally, and a disengaged state, in which they are separated. The raising and lowering member moves the functional bracket upward or downward in cooperation with movement of the check member (31, 32) in the engaged state. The urging member (61) turns over the check member (31, 32) with an urging force to set the check member in the disengaged state.Type: ApplicationFiled: November 30, 2004Publication date: April 19, 2007Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Kazuki Sawada, Toshio Iwata, Youji Nagashima, Kiyozumi Fukami
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Patent number: 7015669Abstract: A drive apparatus for an opening/closing body for a vehicle includes a drive unit including a rotational drive apparatus, a reduction gear mechanism linked with a rotational shaft of the rotational drive apparatus, and an output member linked with the rotational shaft through the reduction gear mechanism and linked with the opening/closing body through a connection member, a first pulse signal generator provided at the drive unit and generating a first pulse signal on the basis of a rotation of the rotational shaft, a second pulse signal generator provided at the drive unit and generating a second pulse signal on the basis of a rotation of either one of the reduction gear mechanism and the output member, and a control means for calculating an opening/closing position of the opening/closing body on the basis of the first pulse signal emitted by the first pulse signal generator utilizing the second pulse signal emitted by the second pulse signal generator as a base point and controlling the rotational drive appType: GrantFiled: June 16, 2005Date of Patent: March 21, 2006Assignee: Aisin Seiki Kabushiki KaishaInventors: Youji Nagashima, Kenji Maeta, Naoto Kamioku, Kouji Suzuki
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Publication number: 20050280387Abstract: A drive apparatus for an opening/closing body for a vehicle includes a drive unit including a rotational drive apparatus, a reduction gear mechanism linked with a rotational shaft of the rotational drive apparatus, and an output member linked with the rotational shaft through the reduction gear mechanism and linked with the opening/closing body through a connection member, a first pulse signal generator provided at the drive unit and generating a first pulse signal on the basis of a rotation of the rotational shaft, a second pulse signal generator provided at the drive unit and generating a second pulse signal on the basis of a rotation of either one of the reduction gear mechanism and the output member, and a control means for calculating an opening/closing position of the opening/closing body on the basis of the first pulse signal emitted by the first pulse signal generator utilizing the second pulse signal emitted by the second pulse signal generator as a base point and controlling the rotational drive appType: ApplicationFiled: June 16, 2005Publication date: December 22, 2005Inventors: Youji Nagashima, Kenji Maeta, Naoto Kamioku, Kouji Suzuki
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Patent number: 6964450Abstract: A sliding roof device for vehicles includes a movable panel to open or close an opening portion provided at a vehicle roof, a pair of guide rails provided at both sides in width direction of the opening portion and extending in longitudinal direction of the vehicle, an operation mechanism guided by the guide rail and supporting the movable panel, a drive device driving the operation mechanism, and a spur tooth rack belt connecting the operation mechanism with the drive device wherein the drive device includes a drive gearwheel engaging with the spur gear rack belt, and the drive gearwheel is formed with variable tooth thickness along the gear width.Type: GrantFiled: March 25, 2004Date of Patent: November 15, 2005Assignee: Aisin Seiki Kabushiki KaishaInventors: Youji Nagashima, Katsutoshi Kato, Kenji Maeta
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Publication number: 20050127720Abstract: A sliding roof device for vehicles includes a movable panel to open or close an opening portion provided at a vehicle roof, a pair of guide rails provided at both sides in width direction of the opening portion and extending in longitudinal direction of the vehicle, an operation mechanism guided by the guide rail and supporting the movable panel, a drive device driving the operation mechanism, and a spur tooth rack belt connecting the operation mechanism with the drive device wherein the drive device includes a drive gearwheel engaging with the spur gear rack belt, and the drive gearwheel is formed with variable tooth thickness along the gear width.Type: ApplicationFiled: March 26, 2004Publication date: June 16, 2005Inventors: Youji Nagashima, Katsutoshi Kato, Kenji Maeta
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Patent number: 6644728Abstract: A sunroof device is made up of a pair of guide rails placed at laterally opposed inner peripheries of an open area of a vehicle. The pair of guide rails support a movable panel covering and uncovering the open area. A first gutter portion extends along a lengthwise direction of the guide rail. A second gutter portion is positioned below the first gutter portion and is brought into fluid communication with an end of the first gutter portion, characterized in that the second gutter portion is formed with an upstanding wall located at a distance from the end of the first gutter portion when the second gutter portion is brought into an overlap condition in such a manner that the upstanding wall defines an area of the second gutter portion to be overlapped with the first gutter portion. An easy connection can be made between the first gutter portion and the second gutter portion.Type: GrantFiled: October 27, 2000Date of Patent: November 11, 2003Assignee: Aisin Seiki Kabushiki KaishaInventors: Youji Nagashima, Hiroshi Makino, Kenji Maeta, Hironori Ochiai
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Patent number: 6617812Abstract: An electrically moving apparatus for moving a movable body includes a security mechanism for detecting an abnormal increase of a load applied to the movable body during the movable body being moved by an operation of an electric motor. The electrically moving apparatus does not require an increase of a threshold value for judging the increase of the load applied to the movable body. The security mechanism is not operated when an increase of a load for lifting down an operative member being movable in response to the movement of the movable body.Type: GrantFiled: February 27, 2002Date of Patent: September 9, 2003Assignee: Aisin Seiki Kabushiki KaishaInventors: Youji Nagashima, Takashi Kitani, Tsutomu Tanoi
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Publication number: 20020117983Abstract: An electrically moving apparatus for moving a movable body includes a security mechanism for detecting an abnormal increase of a load applied to the movable body during the movable body being moved by an operation of an electric motor. The electrically moving apparatus does not require an increase of a threshold value for judging the increase of the load applied to the movable body. The security mechanism is not operated when an increase of a load for lifting down an operative member being movable in response to the movement of the movable body.Type: ApplicationFiled: February 27, 2002Publication date: August 29, 2002Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Youji Nagashima, Takashi Kitani, Tsutomu Tanoi
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Patent number: 6431644Abstract: A sliding roof device is made up of a pair of laterally spaced guide rails provided at inner peripheries of an open area formed in a vehicular roof panel, the guide rails supporting a movable panel in movable fashion in order to open and close the open area; a front frame connecting a front end of one of the guide rails and a front end of the other, the front frame and the pair of the guide rails constituting a sunroof frame; and a driving mechanism including a motor, a gear mechanism driven by the motor, an output gear associated with the gear mechanism, a geared cable engaged with the output gear in meshing fashion and connected to the movable panel for the movement thereof when the motor is turned on, and a casing pipe through which the geared cable is passed in movable fashion, characterized in that a housing and a box are provided, the housing placing the output gear outside the sunroof frame, the housing accommodating therein the gear mechanism, the box being formed integrally with the sunroof frame, thType: GrantFiled: October 27, 2000Date of Patent: August 13, 2002Assignee: Aisin Seiki Kabushiki KaishaInventors: Youji Nagashima, Kenji Maeta, Hiroshi Makino, Takashi Kitani
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Patent number: 6390545Abstract: A vehicle sun-roof device includes a movable panel for fully covering and uncovering an opening in the vehicle roof, a guide rail provided along a side of the opening in the vehicle longitudinal direction, and a link mechanism associated with the movable panel for tilting the movable panel. The link mechanism includes a bracket supporting the movable panel, a link member for restricting the rotational position of the bracket, a drive shoe slidably disposed in the guide rail and associated with the bracket via the link member, and a driven shoe slidably disposed in the guide rail and rotatably supporting one end of the bracket. A checking mechanism restricts the movement of the driven shoe in the vehicle longitudinal direction and includes a restriction portion formed at the bracket and a guide block fixed to the guide rail.Type: GrantFiled: November 20, 2000Date of Patent: May 21, 2002Assignee: Aisin Seiki Kabushiki KaishaInventors: Hiroshi Makino, Takashi Kitani, Youji Nagashima, Kenji Maeta
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Patent number: 6386626Abstract: A sunshade for a vehicle sunroof is structured to have a base member for shielding sunlight from striking the inside of the vehicle through an opening formed in the vehicle body when the sunshade is closed, which is housed within a housing space formed adjacent to the opening when the sunshade is opened, and an edge member integrally provided with a handle, which has a shield integrally mounted on the advancing-side end portion of the base member to shield the advancing-side terminal portion from the view of the vehicle occupant. This construction of the sunshade improves the productivity and reduces the cost of the sunshade.Type: GrantFiled: November 16, 2000Date of Patent: May 14, 2002Assignees: Aisin Seiki Kabushiki Kaisha, Howa Textile Industry Company, Ltd.Inventors: Hiroshi Makino, Takashi Kitani, Youji Nagashima, Kenji Maeda, Masashi Uemura, Mamoru Kameyama, Tatsuro Itoh
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Patent number: 6196625Abstract: The invention improves a connection portion between a guide rail and a front rail in a sliding roof apparatus and make a mounting operation easy. In the sliding roof apparatus, a gutter is supported to a protruding portion of the guide rail, a side end portion of the front rail is overlapped with a front portion of the gutter from the above, an opening thereof is opposed to a bottom wall of the gutter, and a bracket of the side end portion is fixed to the protruding portion of the guide rail.Type: GrantFiled: March 29, 1999Date of Patent: March 6, 2001Assignee: Aisin Seiki Kabushiki KaishaInventors: Youji Nagashima, Kenji Maeta, Kenichi Fukura, Akira Matsuura, Takashi Yoshie, Yasuo Oyama, Masaji Ishikawa