Patents by Inventor Toshiaki Wakisaka
Toshiaki Wakisaka 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: 7073637Abstract: A double-wrap band brake apparatus has a double-wrap brake band comprising an annular intermediate band a pair of annular outer bands. The brake apparatus is used to brake a rotating member fitted in the double-wrap brake band. A center deviation correcting member is provided for correcting a center deviation between the intermediate band and the outer bands.Type: GrantFiled: May 26, 2004Date of Patent: July 11, 2006Assignee: NSK-Warner K.K.Inventors: Toshiaki Wakisaka, Masaki Sakai
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Patent number: 7028815Abstract: A double-wrap band brake apparatus which has a double-wrap brake band comprising an annular intermediate band with a frictional surface formed on the inner periphery thereof, a pair of annular outer bands secured to the free end of the intermediate band in a state that the respective free ends of the outer bands oppose to each other and have frictional surfaces respectively formed on the inner peripheries thereof, an anchor bracket secured to the operating ends of the outer bands to be latched on the side of a main body casing, and an apply bracket secured to the operating end of the intermediate band for receiving a force in a direction in which the intermediate band and the outer bands are constricted from an actuator. The brake apparatus is used to brake a rotating member fitted in the double-wrap brake band. A center deviation correcting member for correcting a center deviation between the intermediate band and the outer bands is formed on at least one of the anchor bracket and the apply bracket.Type: GrantFiled: August 20, 2002Date of Patent: April 18, 2006Assignee: NSK-Warner K.K.Inventors: Toshiaki Wakisaka, Masaki Sakai
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Publication number: 20040226781Abstract: A double-wrap band brake apparatus which has a double-wrap brake band comprising an annular intermediate band with a frictional surface formed on the inner periphery thereof, a pair of annular outer bands secured to the free end of the intermediate band in a state that the respective free ends of the outer bands oppose to each other and have frictional surfaces respectively formed on the inner peripheries thereof, an anchor bracket secured to the operating ends of the outer bands to be latched on the side of a main body casing, and an apply bracket secured to the operating end of the intermediate band for receiving a force in a direction in which the intermediate band and the outer bands are constricted from an actuator. The brake apparatus is used to brake a rotating member fitted in the double-wrap brake band. A center deviation correcting member for correcting a center deviation between the intermediate band and the outer bands is formed on at least one of the anchor bracket and the apply bracket.Type: ApplicationFiled: May 26, 2004Publication date: November 18, 2004Applicant: NSK-WARNER K.K.Inventors: Toshiaki Wakisaka, Masaki Sakai
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Publication number: 20030150682Abstract: A method for forming the frictional surface of a lockup clutch, in which a friction material is given cutting process for the formation of the frictional surface, comprises the step of performing said cutting process in oil.Type: ApplicationFiled: February 4, 2003Publication date: August 14, 2003Applicant: NSK-WARNER K.K.Inventors: Tatuo Yokodana, Kazuo Sakai, Toshiaki Wakisaka
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Publication number: 20030038000Abstract: A double-wrap band brake apparatus which has a double-wrap brake band comprising an annular intermediate band with a frictional surface formed on the inner periphery thereof, a pair of annular outer bands secured to the free end of the intermediate band in a state that the respective free ends of the outer bands oppose to each other and have frictional surfaces respectively formed on the inner peripheries thereof, an anchor bracket secured to the operating ends of the outer bands to be latched on the side of a main body casing, and an apply bracket secured to the operating end of the intermediate band for receiving a force in a direction in which the intermediate band and the outer bands are constricted from an actuator. The brake apparatus is used to brake a rotating member fitted in the double-wrap brake band. A center deviation correcting member for correcting a center deviation between the intermediate band and the outer bands is formed on at least one of the anchor bracket and the apply bracket.Type: ApplicationFiled: August 20, 2002Publication date: February 27, 2003Applicant: NSK-Warner K.K.Inventors: Toshiaki Wakisaka, Masaki Sakai
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Patent number: 6253883Abstract: In the brake drum, a plurality of grooves are formed on the slid surface thereof in such a manner that the grooves respectively extend in parallel to the sliding direction of the brake drum.Type: GrantFiled: August 6, 1998Date of Patent: July 3, 2001Assignee: NSK-Warner Kabushiki KaishaInventors: Toshiaki Wakisaka, Kazuyuki Fujita
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Patent number: 6197371Abstract: A brake band formed by pressing a smooth hot plate or hot drum heated to a temperature of 350 to 550° C. on a surface of the frictional material made of a fiber component, a filler, a friction adjustment agent and a thermosetting resin on a strap for 1 to 5 seconds before or after the frictional material is fixed.Type: GrantFiled: December 10, 1996Date of Patent: March 6, 2001Assignee: NSK-Warner Kabushiki KaishaInventors: Masaki Sakai, Toshiaki Wakisaka, Yoshihisa Harada
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Patent number: 6068092Abstract: In a brake band mounted on a transmission for a vehicle which is provided with a strap having opposite end portions and twined around the outer periphery of a drum, an apply side end portion provided on one end portion of the strap, and an anchor side end portion provided on the other end portion of the strap, at least one of the apply side and anchor side end portion of the brake band is supported or fixed so as to have a predetermined gap with respect to the outer peripheral surface of the drum during non-tightening of the brake band.Type: GrantFiled: February 20, 1996Date of Patent: May 30, 2000Assignee: NSK-Warner K.K.Inventors: Toshiaki Wakisaka, Yoshihisa Harada
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Patent number: 5975253Abstract: A lining for a brake band wherein brackets of the same shape or different shapes are connected respectively to opposite ends of a curved thin strap having an adhesive thereon, and a thin wet lining is bonded to an inner side of the curved strap, characterized in that cavities containing lubricating oil are formed in the lining.Type: GrantFiled: September 27, 1993Date of Patent: November 2, 1999Assignee: NSK-Warner Kabushiki KaishaInventors: Shigeki Umezawa, Toshiaki Wakisaka
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Patent number: 5462138Abstract: A brake band suitable for use in an automatic transmission is described. The brake band has a brake lining with a surface subjected beforehand to working on an apply side thereof and having a percent contact area in a range of 10-40%, preferably 25-40% on the apply side thereof at the time of commencement of use.Type: GrantFiled: May 26, 1994Date of Patent: October 31, 1995Assignee: NSK-Warner K.K.Inventors: Toshiaki Wakisaka, Hirofumi Nakagomi