Patents Assigned to Sakae Ringyo Co., Ltd.
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Patent number: 5096215Abstract: Fork ends attachable to opposite sides of a bicycle frame end each include at least an engagement groove to which an end of a rod member for supporting a wheel is engaged. Each fork end is detachably fastened by bolts to the frame of the bicycle within a recess provided therefor. Interposition elements of thicknesses selected to accommodate wheels of different width are provided between each fork and the frame end to which it is attached. In another aspect of this invention, there is provided a bicycle frame with such fork ends attached thereto.Type: GrantFiled: August 7, 1990Date of Patent: March 17, 1992Assignee: Sakae Ringyo Co., Ltd.Inventor: Yoshiya Chonan
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Patent number: 5052848Abstract: A tube fixing structure of a bicycle includes a tube constituting the bicycle and a portion to be fitted into the tube. A space is formed between the tube and the portion to be filled with a bonding agent and communicates with a bonding agent pouring inlet. The space communicates with an air exhaust outlet so as to exhaust air in the space when the bonding agent is poured into the space.Type: GrantFiled: February 25, 1988Date of Patent: October 1, 1991Assignee: Sakae Ringyo Co., Ltd.Inventor: Fujio Nakamura
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Patent number: 4917397Abstract: A cable threading structure of a bicycle frame includes a pair of members and a tube which do not communicate with each other. A cable inlet is formed in one of the members or in the tube near one of the members and a cable outlet is formed in the other of the members or in the tube near the other member. A cable threading exit opening having a diameter which is gradually reduced communicates with the cable outlet to lead a cable to the cable outlet so that the cable is inserted into the tube.Type: GrantFiled: March 17, 1988Date of Patent: April 17, 1990Assignee: Sakae Ringyo Co., Ltd.Inventor: Yoshiya Chonan
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Patent number: 4915404Abstract: A frame of a bicycle includes a down tube through which an operation cable passes. A bottom bracket is mounted to a lower end of the down tube so that the bottom bracket communicates with the down tube. A cable take-out opening used to take out the operation cable is formed in a bottom of the bottom bracket. The cable take-out opening is closed by a cable guide member for leading out the operation cable.Type: GrantFiled: June 19, 1989Date of Patent: April 10, 1990Assignee: Sakae Ringyo Co., Ltd.Inventor: Yoshiya Chonan
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Patent number: 4887828Abstract: A fork stem is formed of material having large hardness while a fork shoulder is formed of material having hardness smaller than that of the fork stem. A plurality of projection lines are formed in an end of the fork stem. The end is forcedly inserted into a through hole of the fork shoulder and an expansion portion is formed in the end forcedly inserted into the through hole to prevent the fork stem from getting out from the through hole.Type: GrantFiled: June 3, 1988Date of Patent: December 19, 1989Assignee: Sakae Ringyo Co., Ltd.Inventor: Yoshiya Chonan
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Patent number: 4768998Abstract: A belt driving apparatus for a bicycle is disclosed wherein a driving gear has an outer gear over which is trained a toothed belt to impart rotational force to the bicycle rear wheel. An inner gear disposed within the outer gear includes teeth along its outer periphery meshing with teeth formed on the inner periphery of a crank gear disposed between the inner and outer gears. The crank gear is mounted on a crank shaft.Type: GrantFiled: May 14, 1987Date of Patent: September 6, 1988Assignee: Sakae Ringyo Co., Ltd.Inventors: Shinichiro Hirose, Kanzo Akamatsu
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Patent number: 4753448Abstract: A rear wheel brake cable arrangement for a free style bicycle comprises a first cable connected between a rear wheel brake lever and a rocking member mounted for swiveling movement to a stem pipe, and a second cable connecting the rear wheel brake mechanism to a vertically movable member coaxially mounted on the stem pipe. Depressing of the rear wheel brake lever causes swiveling movement of the rocking member which moves a pair of links that transmit a uniform force to move the vertically movable member and thereby a rotary member along the stem pipe to cause movement of the second cable connected to the rotary member.Type: GrantFiled: November 7, 1986Date of Patent: June 28, 1988Assignee: Sakae Ringyo Co., Ltd.Inventor: Satoshi Nagashima
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Patent number: 4642075Abstract: A multiple sprocket wheel used as a unit in a two-wheeled vehicle and for a multi-speed gear without involving separation of a chain guard from a plurality of sprockets.Type: GrantFiled: June 4, 1985Date of Patent: February 10, 1987Assignee: Sakae Ringyo Co., Ltd.Inventor: Satoshi Nagashima
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Patent number: D298223Type: GrantFiled: March 3, 1986Date of Patent: October 25, 1988Assignee: Sakae Ringyo Co., Ltd.Inventor: Hiroyuki Kiyota
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Patent number: D299449Type: GrantFiled: March 6, 1986Date of Patent: January 17, 1989Assignee: Sakae Ringyo Co., Ltd.Inventor: Yoshiya Chounan
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Patent number: D299450Type: GrantFiled: March 6, 1986Date of Patent: January 17, 1989Assignee: Sakae Ringyo Co., Ltd.Inventor: Yoshiya Chounan
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Patent number: D302668Type: GrantFiled: April 3, 1987Date of Patent: August 8, 1989Assignee: Sakae Ringyo Co., Ltd.Inventor: Yoshiya Chounan
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Patent number: D307405Type: GrantFiled: April 3, 1987Date of Patent: April 24, 1990Assignee: Sakae Ringyo Co., Ltd.Inventor: Hiroyuki Kiyota