Patents by Inventor Toshikazu Sakurai
Toshikazu Sakurai 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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Publication number: 20080248665Abstract: A connector has a first housing (1) and a second housing (2) with a receptacle (4) for receiving the first housing (1). A slider (3) having a cam groove (24) is mounted in the first housing (1) for movement normal to connecting directions of the housings (1, 2). A cam (8) projects in the receptacle (4), and is movable along the cam groove (24). A mold removal hole (5A) for molding the cam (8) is formed in a back wall (5) of the receptacle (4), and a mold removal space (S) is between the cam (8) and the mold removal hole (5A). The slider (3) includes a deformable portion (25) that slides in contact with a slider insertion hole (11) while being deformed during connection of the housings (1, 2), and is restored resiliently in the mold removal space (S) when the housings (1, 2) are connected.Type: ApplicationFiled: June 10, 2008Publication date: October 9, 2008Applicant: Sumitomo Wiring Systems, Ltd.Inventors: Yukihiro Fukatsu, Toshikazu Sakurai, Youjirou Hashimoto, Yasushi Okayasu, Masaya Horiuchi
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Patent number: 7431596Abstract: A connector has a first housing (1) and a second housing (2) with a receptacle (4) for receiving the first housing (1). A slider (3) having a cam groove (24) is mounted in the first housing (1) for movement normal to connecting directions of the housings (1, 2). A cam (8) projects in the receptacle (4), and is movable along the cam groove (24). A mold removal hole (5A) for molding the cam (8) is formed in a back wall (5) of the receptacle (4), and a mold removal space (S) is between the cam (8) and the mold removal hole (5A). The slider (3) includes a deformable portion (25) that slides in contact with a slider insertion hole (11) while being deformed during connection of the housings (1, 2), and is restored resiliently in the mold removal space (S) when the housings (1, 2) are connected.Type: GrantFiled: December 8, 2006Date of Patent: October 7, 2008Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Yukihiro Fukatsu, Toshikazu Sakurai, Youjirou Hashimoto, Yasushi Okayasu, Masaya Horiuchi
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Publication number: 20080081498Abstract: A female housing (10) has a lever (12) to facilitate connection with a male housing (11). An operable portion (43) of the lever (12) is at a lateral end of the female housing (10) immediately before the housings (10; 11) are connected and is operated along a connecting direction of the male housing (11). An engaging portion (53) is formed at an end of the lever (12) opposite the operable portion (43) and is engageable with a locking projection (52) on the male housing (11) immediately before the housings (10, 11) are connected properly. Thus, the locking projection (52) receives a force acting along the connecting direction of the male housing (11) as the lever (12) is rotated. In this way, the posture of the female housing (10) is corrected, enabling the two housings (10, 11) to be connected in their proper postures.Type: ApplicationFiled: November 26, 2007Publication date: April 3, 2008Applicant: Sumitomo Wiring Systems, Ltd.Inventors: Yukihiro Fukatsu, Toshikazu Sakurai, Masayasu Fujii
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Patent number: 7300294Abstract: A female housing (10) has a lever (12) to facilitate connection with a male housing (11). An operable portion (43) of the lever (12) is at a lateral end of the female housing (10) immediately before the housings (10; 11) are connected and is operated along a connecting direction of the male housing (11). An engaging portion (53) is formed at an end of the lever (12) opposite the operable portion (43) and is engageable with a locking projection (52) on the male housing (11) immediately before the housings (10, 11) are connected properly. Thus, the locking projection (52) receives a force acting along the connecting direction of the male housing (11) as the lever (12) is rotated. In this way, the posture of the female housing (10) is corrected, enabling the two housings (10, 11) to be connected in their proper postures.Type: GrantFiled: June 14, 2006Date of Patent: November 27, 2007Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Yukihiro Fukatsu, Toshikazu Sakurai, Masayasu Fujii
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Patent number: 7294015Abstract: A connector has first and second housings (10, 30) that are connectable with each other. The second housing (30) has second terminal fittings (32), second detecting terminals (39) and short canceling members (37). The first housing (10) has shorting terminals (12) for shorting pairs of the first terminal fittings, a resilient arm (18) that deforms as the housings (10, 30) are connected, and first detecting terminals (11) that deform as the resilient arm (18) is deformed to touch the second detecting terminals (39) for detecting the connected state. The resilient arm (18) is held deformed and the first detecting terminals (11) are held in contact with the second detecting terminals (39) until a connecting operation is completed. The resilient arm (18) resiliently restores to separate the first detecting terminals (11) from the second detecting terminals (32) when the connection is completed.Type: GrantFiled: December 22, 2006Date of Patent: November 13, 2007Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Masayasu Fujii, Toshikazu Sakurai
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Patent number: 7287993Abstract: A lever (40) is mounted rotatably on a female housing (10) and includes a cam plate (47) with a cam groove (41). The cam plate (47) is arranged on only one surface of the female housing (10). In addition to an engaged position of a cam groove (41) and a cam pin (88), a position is set between the lever (40) and a male housing (80) to produce forces to pull the housings (10, 80) towards each other. For example, a hook (43) is formed on a posture correcting arm (46) at a position facing the cam plate (47) of the lever (40) and engages a receiving portion (91) in the male housing (80) to pull the housings (10, 80) together.Type: GrantFiled: September 28, 2006Date of Patent: October 30, 2007Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Masayasu Fujii, Toshikazu Sakurai, Yukihiro Fukatsu, Toshikazu Saba
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Patent number: 7241168Abstract: A joint connector has a housing (10) with insertion spaces (11) for receiving terminal fittings (20). A joint terminal (30) is mounted in the housing (10) at a first position where the joint terminal (30) is retracted from the insertion spaces (11). The terminal fittings (20) then are inserted into the insertion spaces (11) of the housing (10). The joint terminal (30) then is displaced to a full locking position for contacting and shorting the terminal fittings (20). As a result, the joint terminal (30) does not hinder insertion of the terminal fittings (20). Furthermore, the joint terminal (30) is mounted directly in the housing (10) and does not require a separate holder. Thus, the number of parts is reduced.Type: GrantFiled: March 9, 2006Date of Patent: July 10, 2007Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Toshikazu Sakurai, Atsushi Sakatani
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Publication number: 20070149041Abstract: A connector has first and second housings (10, 30) that are connectable with each other. The second housing (30) has second terminal fittings (32), second detecting terminals (39) and short canceling members (37). The first housing (10) has shorting terminals (12) for shorting pairs of the first terminal fittings, a resilient arm (18) that deforms as the housings (10, 30) are connected, and first detecting terminals (11) that deform as the resilient arm (18) is deformed to touch the second detecting terminals (39) for detecting the connected state. The resilient arm (18) is held deformed and the first detecting terminals (11) are held in contact with the second detecting terminals (39) until a connecting operation is completed. The resilient arm (18) resiliently restores to separate the first detecting terminals (11) from the second detecting terminals (32) when the connection is completed.Type: ApplicationFiled: December 22, 2006Publication date: June 28, 2007Applicant: Sumitomo Wiring Systems, Ltd.Inventors: Masayasu Fujii, Toshikazu Sakurai
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Publication number: 20070134994Abstract: A connector has a first housing (1) and a second housing (2) with a receptacle (4) for receiving the first housing (1). A slider (3) having a cam groove (24) is mounted in the first housing (1) for movement normal to connecting directions of the housings (1, 2). A cam (8) projects in the receptacle (4), and is movable along the cam groove (24). A mold removal hole (5A) for molding the cam (8) is formed in a back wall (5) of the receptacle (4), and a mold removal space (S) is between the cam (8) and the mold removal hole (5A). The slider (3) includes a deformable portion (25) that slides in contact with a slider insertion hole (11) while being deformed during connection of the housings (1, 2), and is restored resiliently in the mold removal space (S) when the housings (1, 2) are connected.Type: ApplicationFiled: December 8, 2006Publication date: June 14, 2007Applicant: Sumitomo Wiring Systems, Ltd.Inventors: Yukihiro Fukatsu, Toshikazu Sakurai, Youjirou Hashimoto, Yasushi Okayasu, Masaya Horiuchi
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Patent number: 7207848Abstract: A connector assembly has first and second housings (150, 10). Terminal fittings (112) are inserted into cavities (11) of the second housing (10) and are locked partially by locks formed in the second housing (10). A slider (30) is mounted in second housing (10) and engages a cam (43) in the first housing (150) to generate a cam action that helps to connect the housings (10, 150). The slider (30) has at least one retaining portion (136) that secondarily locks properly inserted terminal fittings (112) in the second housing (10). An inability to move the slider (30) provides an indication that at least one terminal fitting (112) is not inserted properly.Type: GrantFiled: June 30, 2006Date of Patent: April 24, 2007Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Yukihiro Fukatsu, Masaya Horiuchi, Toshikazu Sakurai, Masayasu Fujii, Youjirou Hashimoto
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Patent number: 7208329Abstract: In a side plate (52) of a retainer (50), a jig insertion groove (70) is cut at an upper end portion of its front edge. A releasing jig (J) is insertable into a gap between the bottom surface of the jig insertion groove (70) and a vertical front edge of a recessed surface (27) of a female housing (20). If the releasing jig (J) is rotated so as to be pried, the retainer (50) is pushed back diagonally downward along a guide groove (60) and reaches a temporary retaining position.Type: GrantFiled: June 10, 2004Date of Patent: April 24, 2007Assignees: Sumitomo Wiring Systems, Ltd., Honda Motor Co., Ltd.Inventors: Yukihiro Fukatsu, Toshikazu Sakurai, Satoshi Suda, Yoshiaki Kida, Masaru Shinmura
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Publication number: 20070082549Abstract: A lever (40) is mounted rotatably on a female housing (10) and includes a cam plate (47) with a cam groove (41). The cam plate (47) is arranged on only one surface of the female housing (10). In addition to an engaged position of a cam groove (41) and a cam pin (88), a position is set between the lever (40) and a male housing (80) to produce forces to pull the housings (10, 80) towards each other. For example, a hook (43) is formed on a posture correcting arm (46) at a position facing the cam plate (47) of the lever (40) and engages a receiving portion (91) in the male housing (80) to pull the housings (10, 80) together.Type: ApplicationFiled: September 28, 2006Publication date: April 12, 2007Applicant: Sumitomo Wiring Systems, Ltd.Inventors: Masayasu Fujii, Toshikazu Sakurai, Yukihiro Fukatsu, Toshikazu Saba
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Publication number: 20070072482Abstract: A lever (40) formed with a cam groove (41) is rotatably mounted and a detecting terminal (60) is mounted in a female housing (10). The detecting terminal (60) contacts contact terminals (98) in the female housing (10) to close a detecting circuit only when the housings (10, 80) are connected properly. A pressing portion (44) projects from part of a cam plate (47) of the lever (40) facing the detecting terminal (60), and keeps pressing the detecting terminal (60) to deform the detecting terminal 60 to a position where the detecting terminal (60) is separated from the contact terminals (98) while the lever (40) is rotated until the housings (10, 80) are connected properly. The pressed state is canceled to enable the detecting terminal (60) to contact the contact terminals (98) when the lever 40 is rotated to a position where the housings (10, 80) are connected properly.Type: ApplicationFiled: October 3, 2006Publication date: March 29, 2007Applicant: Sumitomo Wiring Systems, Ltd.Inventors: Masayasu Fujii, Toshikazu Sakurai, Atsushi Sakatani
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Patent number: 7175489Abstract: Joint terminals (20c) and a housing (10) are united by a press-in operation instead of being united by insert molding. Thus, there is no likelihood that an injection pressure will deform the joint terminals (20c). The joint terminal (20c) has a coupling (21) bent so that upper and lower supports (26, 27) are formed at the opposite sides of an intermediate portion (28). A high dimensional precision can be obtained even when an automatic mounting machine is used for pressing the joint terminals (20c) into the housing (10).Type: GrantFiled: October 8, 2004Date of Patent: February 13, 2007Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Masayasu Fujii, Toshikazu Sakurai
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Publication number: 20070004288Abstract: A connector assembly has first and second housings (150, 10). Terminal fittings (112) are inserted into cavities (11) of the second housing (10) and are locked partially by locks formed in the second housing (10). A slider (30) is mounted in second housing (10) and engages a cam (43) in the first housing (150) to generate a cam action that helps to connect the housings (10, 150). The slider (30) has at least one retaining portion (136) that secondarily locks properly inserted terminal fittings (112) in the second housing (10). An inability to move the slider (30) provides an indication that at least one terminal fitting (112) is not inserted properly.Type: ApplicationFiled: June 30, 2006Publication date: January 4, 2007Applicant: Sumitomo Wiring Systems, Ltd.Inventors: Yukihiro Fukatsu, Masaya Horiuchi, Toshikazu Sakurai, Masayasu Fujii, Youjirou Hashimoto
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Publication number: 20060286834Abstract: A female housing (10) has a lever (12) to facilitate connection with a male housing (11). An operable portion (43) of the lever (12) is at a lateral end of the female housing (10) immediately before the housings (10; 11) are connected and is operated along a connecting direction of the male housing (11). An engaging portion (53) is formed at an end of the lever (12) opposite the operable portion (43) and is engageable with a locking projection (52) on the male housing (11) immediately before the housings (10, 11) are connected properly. Thus, the locking projection (52) receives a force acting along the connecting direction of the male housing (11) as the lever (12) is rotated. In this way, the posture of the female housing (10) is corrected, enabling the two housings (10, 11) to be connected in their proper postures.Type: ApplicationFiled: June 14, 2006Publication date: December 21, 2006Applicant: Sumitomo Wiring Systems, Ltd.Inventors: Yukihiro Fukatsu, Toshikazu Sakurai, Masayasu Fujii
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Patent number: 7125292Abstract: A connector has a retainer (6) with a housing lock (4) engageable with a housing (3) and a terminal lock (5) cantilevers forward from a bottom side of the housing lock (4) to lock female terminal fittings (1). Restricting portions (7) are formed on a surface of the terminal lock (5) to face the housing (3). The restricting portions (7) can contact bottom end surfaces (3A) of the opposite side walls of the housing (3) along the width direction, thus preventing the terminal lock (5) from entering cavities (2) to hinder the insertion of the female terminal fittings (1) when the female terminal fittings (1) are inserted into the cavities (2).Type: GrantFiled: October 17, 2005Date of Patent: October 24, 2006Assignees: Sumitomo Wiring Systems, Ltd., Honda Motor Co., Ltd.Inventors: Masaya Horiuchi, Toshikazu Sakurai, Satoshi Suda
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Publication number: 20060205270Abstract: A joint connector has a housing (10) with insertion spaces (11) for receiving terminal fittings (20). A joint terminal (30) is mounted in the housing (10) at a first position where the joint terminal (30) is retracted from the insertion spaces (11). The terminal fittings (20) then are inserted into the insertion spaces (11) of the housing (10). The joint terminal (30) then is displaced to a full locking position for contacting and shorting the terminal fittings (20). As a result, the joint terminal (30) does not hinder insertion of the terminal fittings (20). Furthermore, the joint terminal (30) is mounted directly in the housing (10) and does not require a separate holder. Thus, the number of parts is reduced.Type: ApplicationFiled: March 9, 2006Publication date: September 14, 2006Applicant: Sumitomo Wiring Systems, Ltd.Inventors: Toshikazu Sakurai, Atsushi Sakatani
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Patent number: 7063577Abstract: A male connector (M) has male housings (20A, 20B, 20C) and is connectable with a female connector (F) with female housings (40A, 40B, 40C). Error connection preventing projections (28A, 28B) of the male housings (20A, 20B) are received in receiving portions (47A, 47B) of the female housings (40A, 40B) to connect the two connectors (M, F) properly if the combination of the housings in the male and female connectors (M, F) is correct. However, the error connection preventing projections (28A, 28B) on the male housings (20A, 20B) interfere with opposed the female housings (40B, 40C) and hinder connection of the two connectors (M, F) if the combination of housings is incorrect.Type: GrantFiled: May 8, 2003Date of Patent: June 20, 2006Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Shinya Fujita, Toshikazu Sakurai, Hitoshi Okumura
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Patent number: 7056159Abstract: A male housing (20) is provided with cavities (23) for inserting male terminal metal pieces (10) in two upper and lower stages and a retainer mounting hole (27) opening the respective cavities (23) in a lower direction and in two side directions. The retainer (40) is mounted movably and skewedly to a direction of inserting and drawing the male terminal metal piece (10) between a full locking position permitting to insert and draw the male terminal metal piece (10) and a regular locking position locked to the male terminal metal piece (10).Type: GrantFiled: June 10, 2004Date of Patent: June 6, 2006Assignees: Sumitomo Wiring Systems, Ltd., Honda Motor Co., Ltd.Inventors: Yukihiro Fukatsu, Toshikazu Sakurai, Satoshi Suda, Yoshiaki Kida, Masaru Shinmura