Patents by Inventor Kenjirou Hayashi
Kenjirou Hayashi 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: 10093276Abstract: A fragile part (15) which is set to have lower load resistance than other positions of a frame (10) is provided on a guide part (12) at a position that overlaps with a linkage portion (50a) between a hanger (52) and a lock body (51) of a lock member (50) positioned in a steering lock release position.Type: GrantFiled: September 5, 2014Date of Patent: October 9, 2018Assignees: ALPHA CORPORATION, NISSAN MOTOR CO., LTD.Inventors: Koichiro Sugimoto, Kenjirou Hayashi
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Patent number: 9827949Abstract: The electric steering lock device (1) is provided with a cam (40) which is arranged to allow forward and reverse rotation inside of a frame (10), and a lock member (50) which, while following a cam surface (41) of the rotating cam (40), is arranged to be movable forward and backward between a locked position at the advancing end and an unlocked position at the retreating end. The cam face (41) comprises a locking and unlocking segment (41b) for moving the lock member (50) and a lock release position segment (41c). A change ratio of a cam lift amount to a rotation angle of the cam (40) in the lock release position segment (41c) is constructed to be smaller than the change ratio of the can lift amount to the rotational angle of the cam (40) in the locking and unlocking segment (41b).Type: GrantFiled: September 5, 2014Date of Patent: November 28, 2017Assignees: ALPHA CORPORATION, NISSAN MOTOR CO., LTD.Inventors: Koichiro Sugimoto, Kenjirou Hayashi
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Patent number: 9744982Abstract: A locking device for a motor vehicle having a steering column has a blocking bolt that locks the steering wheel shaft in the steering wheel column, wherein the blocking bolt is movable between a first and a second position, a return element that returns the blocking bolt to the first position, and at least one protection cover that at least partially covers the return element. In the first position, the blocking bolt is in blocking engagement with the steering wheel shaft. In the second position, the blocking bolt is disengaged from the steering wheel shaft. The return element is a torsion spring. The torsion spring is a coil spring with a coil body and a connection hook. A first end portion of the torsion spring has a hook extension, and is inserted into an opening of the blocking bolt and is covered at least partially by the blocking bolt.Type: GrantFiled: March 4, 2013Date of Patent: August 29, 2017Assignee: NISSAN MOTOR CO., LTD.Inventors: Thilo Marx, Damien Vagney, Hubert Willmann, Kenjirou Hayashi
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Patent number: 9475458Abstract: A locking device for a motor vehicle having a steering wheel column has a housing, a worm wheel cover, a blocking bolt that locks a steering wheel shaft in the steering wheel column, wherein the blocking bolt is movable between a first and a second position, a drive that moves the blocking bolt from the first position to the second position, a latching element that latches the blocking bolt, a mechanical activation mechanism that activates the latching element, and that has a trigger element, and a pushing element. In the first position, the blocking bolt is in blocking engagement with the steering wheel shaft. In the second position, the blocking bolt is disengaged from the steering wheel shaft. The latching element comprises a pin, and an opening is disposed in the blocking bolt for engagement with the pin.Type: GrantFiled: March 4, 2013Date of Patent: October 25, 2016Assignee: Nissan Motor Co., Ltd.Inventors: Thilo Marx, Damien Vagney, Kenjirou Hayashi
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Publication number: 20160236650Abstract: A fragile part (15) which is set to have lower load resistance than other positions of a frame (10) is provided on a guide part (12) at a position that overlaps with a linkage portion (50a ) between a hanger (52) and a lock body (51) of a lock member (50) positioned in a steering lock release position.Type: ApplicationFiled: September 5, 2014Publication date: August 18, 2016Inventors: Koichiro SUGIMOTO, Kenjirou HAYASHI
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Publication number: 20160221535Abstract: The electric steering lock device (1) is provided with a cam (40) which is arranged to allow forward and reverse rotation inside of a frame (10), and a lock member (50) which, while following a cam surface (41) of the rotating cam (40), is arranged to be movable forward and backward between a locked position at the advancing end and an unlocked position at the retreating end. The cam face (41) comprises a locking and unlocking segment (41b) for moving the lock member (50) and a lock release position segment (41c). A change ratio of a cam lift amount to a rotation angle of the cam (40) in the lock release position segment (41c) is constructed to be smaller than the change ratio of the can lift amount to the rotational angle of the cam (40) in the locking and unlocking segment (41b).Type: ApplicationFiled: September 5, 2014Publication date: August 4, 2016Inventors: Koichiro Sugimoto, Kenjirou Hayashi
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Publication number: 20160001740Abstract: A locking device for a motor vehicle having a steering wheel column has a housing, a worm wheel cover, a blocking bolt that locks a steering wheel shaft in the steering wheel column, wherein the blocking bolt is movable between a first and a second position, a drive that moves the blocking bolt from the first position to the second position, a latching element that latches the blocking bolt, a mechanical activation mechanism that activates the latching element, and that has a trigger element, and a pushing element. In the first position, the blocking bolt is in blocking engagement with the steering wheel shaft. In the second position, the blocking bolt is disengaged from the steering wheel shaft. The latching element comprises a pin, and an opening is disposed in the blocking bolt for engagement with the pin.Type: ApplicationFiled: March 4, 2013Publication date: January 7, 2016Applicant: NISSAN MOTOR CO., LTD.Inventors: Thilo Marx, Damien Vagney, Kenjirou Hayashi
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Publication number: 20160001808Abstract: A locking device for a motor vehicle having a steering column has a blocking bolt that locks the steering wheel shaft in the steering wheel column, wherein the blocking bolt is movable between a first and a second position, a return element that returns the blocking bolt to the first position, and at least one protection cover that at least partially covers the return element. In the first position, the blocking bolt is in blocking engagement with the steering wheel shaft. In the second position, the blocking bolt is disengaged from the steering wheel shaft. The return element is a torsion spring. The torsion spring is a coil spring with a coil body and a connection hook. A first end portion of the torsion spring has a hook extension, and is inserted into an opening of the blocking bolt and is covered at least partially by the blocking bolt.Type: ApplicationFiled: March 4, 2013Publication date: January 7, 2016Applicant: Nissan Motor Co., Ltd.Inventors: Thilo Marx, Damien Vagney, Hubert Willmann, Kenjirou Hayashi
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Patent number: 8925416Abstract: An auxiliary lock mechanism that locks a lock member (6) at a steering lock position is provided. In the auxiliary lock member, a slide plate (91) thereof engages with an auxiliary engagement portion (95) of the lock member (6) located at the steering lock position in such a manner that engagement between a holding member (21) and a holding/receiving portion (93) thereof is disengaged. On a more rear end side of the lock member (6) than the auxiliary engagement portion (95), a fragile portion (74) is provided, in which a load is set smaller than a load tolerable by the slide plate (91). In a case where a load of a set value or more is applied to the lock member (6), the lock member (6) is torn at the fragile portion (74).Type: GrantFiled: March 23, 2012Date of Patent: January 6, 2015Assignees: Alpha Corporation, Nissan Motor Co., Ltd.Inventors: Takahiro Okada, Kenjirou Hayashi
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Patent number: 8925415Abstract: On at least either one of an inside of an opening edge of a cover (2) and an outside of an opening edge of a frame (3), an inclined portion (95) is formed, and on the other of the inside of the opening edge of the cover (2) and the outside of the opening edge of the frame (3), an inclination receiving portion (96) is formed. In such a way, in an event where external force is applied to the inclined portion (95) from an outside, the inclination receiving portion (96) slides on the inclined portion (95), and positionally shifts or falls off the cover (2).Type: GrantFiled: March 23, 2012Date of Patent: January 6, 2015Assignees: Alpha Corporation, Nissan Motor Co., Ltd.Inventors: Takahiro Okada, Kenjirou Hayashi
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Patent number: 8646296Abstract: A steering locking device (1, 1A, 1B, 1C) includes: a locking member (6) including a first face (B) parallel to an axial direction of a steering shaft, a second face (C) perpendicular to the first face (B), and a protrusion (62) protruding from the second face (B); and a sliding plate (91) extending from the first face (B) in a plate thickness direction (D) of the locking member (6), arranged outside the first face (B), and engageable with the protrusion (62).Type: GrantFiled: December 22, 2010Date of Patent: February 11, 2014Assignees: Alpha Corporation, Nissan Motor Co., Ltd.Inventors: Takahiro Okada, Takeshi Sakano, Kenjirou Hayashi
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Publication number: 20140026708Abstract: An auxiliary lock mechanism that locks a lock member (6) at a steering lock position is provided. In the auxiliary lock member, a slide plate (91) thereof engages with an auxiliary engagement portion (95) of the lock member (6) located at the steering lock position in such a manner that engagement between a holding member (21) and a holding/receiving portion (93) thereof is disengaged. On a more rear end side of the lock member (6) than the auxiliary engagement portion (95), a fragile portion (74) is provided, in which a load is set smaller than a load tolerable by the slide plate (91). In a case where a load of a set value or more is applied to the lock member (6), the lock member (6) is torn at the fragile portion (74).Type: ApplicationFiled: March 23, 2012Publication date: January 30, 2014Applicants: NISSAN MOTOR CO., LTD., ALPHA CORPORATIONInventors: Takahiro Okada, Kenjirou Hayashi
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Publication number: 20140013895Abstract: On at least either one of an inside of an opening edge of a cover (2) and an outside of an opening edge of a frame (3), an inclined portion (95) is formed, and on the other of the inside of the opening edge of the cover (2) and the outside of the opening edge of the frame (3), an inclination receiving portion (96) is formed. In such a way, in an event where external force is applied to the inclined portion (95) from an outside, the inclination receiving portion (96) slides on the inclined portion (95), and positionally shifts or falls off the cover (2).Type: ApplicationFiled: March 23, 2012Publication date: January 16, 2014Applicants: NISSAN MOTOR CO., LTD., ALPHA CORPORATIONInventors: Takahiro Okada, Kenjirou Hayashi
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Patent number: 8474291Abstract: The invention relates to a locking device for the locking and/or unlocking of a component essential for the function of a vehicle with a casing, which more preferably serves for the fastening of the locking device to the component essential for the function and a moveable locking member, which can assume at least two positions, namely a locking position, in which the locking member protrudes from the casing through an opening and is actively connected with the component essentially for the function and an unlocking position, in which the locking member is not actively connected with the component essential for the function and an arresting part which in an arresting position arrests the locking member in the locking position in the event that the locking device is opened without authorization. To this end it is provided according to the invention that the arresting part is positively held in the arresting position.Type: GrantFiled: July 21, 2008Date of Patent: July 2, 2013Assignees: Huf Hulsbeck & Furst GmbH Co. KG, Nissan Motor Co., Ltd.Inventors: Werner Trischberger, Kenjirou Hayashi, Yoshio Watanuki
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Publication number: 20130055846Abstract: A steering lock device includes a lock member (7, 8) that is slidable between a locking position P1 and an unlocking position P2 and biased from the locking position P1 to the unlocking position P2 by a biasing member (76), and a sliding member (6) arranged slidably in a direction perpendicular to a sliding direction of the lock member (7, 8). At least any one of the lock member (7, 8) and the sliding member (6) includes a displacement portion (64c) inclined along the sliding direction of the sliding member (6) and toward a steering shaft. The lock member (7, 8) is displaced in conformity to inclination of the displacement portion (64c) in conjunction with slide of the sliding member (6).Type: ApplicationFiled: March 29, 2011Publication date: March 7, 2013Applicants: NISSAN MOTOR CO., LTD., ALPHA CORPORATIONInventors: Koichiro Sugimoto, Kenjirou Hayashi
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Publication number: 20120260701Abstract: A steering locking device (1, 1A, 1B, 1C) includes: a locking member (6) including a first face (B) parallel to an axial direction of a steering shaft, a second face (C) perpendicular to the first face (B), and a protrusion (62) protruding from the second face (B); and a sliding plate (91) extending from the first face (B) in a plate thickness direction (D) of the locking member (6), arranged outside the first face (B), and engageable with the protrusion (62).Type: ApplicationFiled: December 22, 2010Publication date: October 18, 2012Applicants: NISSAN MOTOR CO., LTD., ALPHA CORPORATIONInventors: Takahiro Okada, Takeshi Sakano, Kenjirou Hayashi
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Patent number: 8033148Abstract: A rod guide portion (5) is protruded on a frame body (4), and a lock rod (10) is disposed in the rod guide portion (5) so as to be freely movable between a locked position and an unlocked position. A guide-side weak portion (13) and a rod-side weak portion (14) are provided on the rod guide portion (5) and the lock rod (10), respectively. A deadlock mechanism (15A) is provided, which locks a tip end side of the lock rod (10), the tip end side being cut off at the rod-side weak portion (14), at a position at a point of time when the lock rod (10) is cut off when the rod guide portion (5) and the lock rod (10) are cut off at positions of the guide-side weak portion (13) and the rod-side guide portion (14).Type: GrantFiled: November 8, 2007Date of Patent: October 11, 2011Assignees: Alpha Corporation, Nissan Motor Co., Ltd.Inventors: Takahiro Okada, Kenjirou Hayashi, Ryuichi Yoshida
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Patent number: 8001814Abstract: A motor unit (9) and the like are arranged on a frame body (3) covered with a cover (6). A rod guide portion (4) is protruded from the frame body (3). A lock rod (14) is disposed in this rod guide portion (4) so as to be freely movable. Weak portions (17, 18) are provided on the rod guide portion (4) and the lock rod (14), respectively. A deadlock mechanism (30) is disposed closer to a tip end side of the rod guide portion (4) than the guide-side weak portion (17) thereof. The deadlock mechanism (30) includes: a lock pin (31) urged to a deadlock engagement position where a region of the lock rod (14), which is closer to the tip end side than the rod-side weak portion (18), is locked; and a lock control member (33) that inhibits movement of the lock pin (31) to a locked position thereof before the weak portions (17, 18) are cut off, and releases such regulation to the lock pin (31) after the weak portion (17, 18) are cutoff.Type: GrantFiled: November 8, 2007Date of Patent: August 23, 2011Assignee: Alpha CorporationInventors: Takahiro Okada, Kenjirou Hayashi, Ryuichi Yoshida
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Publication number: 20100064742Abstract: A motor unit (9) and the like are arranged on a frame body (3) covered with a cover (6). A rod guide portion (4) is protruded from the frame body (3). A lock rod (14) is disposed in this rod guide portion (4) so as to be freely movable. Weak portions (17, 18) are provided on the rod guide portion (4) and the lock rod (14), respectively. A deadlock mechanism (30) is disposed closer to a tip end side of the rod guide portion (4) than the guide-side weak portion (17) thereof. The deadlock mechanism (30) includes: a lock pin (31) urged to a deadlock engagement position where a region of the lock rod (14), which is closer to the tip end side than the rod-side weak portion (18), is locked; and a lock control member (33) that inhibits movement of the lock pin (31) to a locked position thereof before the weak portions (17, 18) are cut off, and releases such regulation to the lock pin (31) after the weak portion (17, 18) are cutoff.Type: ApplicationFiled: November 8, 2007Publication date: March 18, 2010Applicant: ALPHA CORPORATIONInventors: Takahiro Okada, Kenjirou Hayashi, Ryuichi Yoshida
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Publication number: 20090266122Abstract: A rod guide portion (5) is protruded on a frame body (4), and a lock rod (10) is disposed in the rod guide portion (5) so as to be freely movable between a locked position and an unlocked position. A guide-side weak portion (13) and a rod-side weak portion (14) are provided on the rod guide portion (5) and the lock rod (10), respectively. A deadlock mechanism (15A) is provided, which locks a tip end side of the lock rod (10), the tip end side being cut off at the rod-side weak portion (14), at a position at a point of time when the lock rod (10) is cut off when the rod guide portion (5) and the lock rod (10) are cut off at positions of the guide-side weak portion (13) and the rod-side guide portion (14).Type: ApplicationFiled: November 8, 2007Publication date: October 29, 2009Applicant: ALPHA CORPORATIONInventors: Takahiro Okada, Kenjirou Hayashi, Ryuichi Yoshida