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| Number | Title | Issue Date |
| 5421219 | Bicycle speed change system, bicycle speed change method and bicycle speed change operation assembly The following technical measure is taken to provide a bicycle speed change system or method wherein a speed change operation can be performed substantially without unhanding a handlebar and without erroneously shifting to a lower or higher speed. Specific... | 06/06/1995 |
| 5390565 | Bicycle speed change system, bicycle speed change method and bicycle speed change operation assembly The following technical measure is taken to provide a bicycle speed change system or method wherein a speed change operation can be performed substantially without unhanding a handlebar and without erroneously shifting to a lower or higher speed. Specific... | 02/21/1995 |
| 5380252 | Bicycle speed change assembly The following technical means is provided to achieve a chain shift operation with a minimum of the guide pulley travel distance, to improve speed change efficiency and operatability, and to prevent the speed change assembly from protruding sideward: At a ... | 01/10/1995 |
| 5238458 | Bicycle speed change assembly The present invention provides a bicycle speed change assembly comprising: a pantogtaph link mechanism including a link base supported on a chain stay ahead of a sprocket cluster mounted on a hub shaft, inner and outer link members each extending rearward... | 08/24/1993 |
| 5115159 | Built-in generator for bicycle A built-in generator arranged within a hub of a bicycle wheel including a hub member of a wheel rotatably fitted on an axle fixed to a frame of the bicycle, a stationary hollow cylinder fixed to the axle in the hub member, a generating coil unit provided ... | 05/19/1992 |
| 5056630 | Wheel rim for a bicycle A wheel rim for a two-wheeled vehicle has a spray coated metallic and/or ceramic layer covering at least a part of a rim surface with which a brake shoe is brought into contact when a brake is applied.... | 10/15/1991 |
| 5045037 | Friction stepless speed change device A friction stepless speed change device includes an input shaft, a driven shaft and an output shaft arranged on a common axis, and a countershaft rotatably provided in parallel with the common axis. The device further includes tow rockable arms rockable a... | 09/03/1991 |
| 5030183 | Friction stepless speed change device A friction stepless speed change device includes an input shaft, an output shaft, a countershaft provided in parallel with the input and output shafts on one side thereof, two rocking arms rockable about the countershaft, a cylindrical driven rotary assem... | 07/09/1991 |
| 5012900 | Brake for bicycle A caliper brake for a bicycle includes brake members formed as side-pull type caliper arms. The brake members are pivotally supported on a frame of the bicycle and support at ends thereof brake shoes. A pulley is rotatably provided on a free end of one of... | 05/07/1991 |
| 4858485 | Inscribed transmission device An inscribed transmission device includes a substantially crescent-shaped space between an internal gear and an external gear circumscribingly in mesh with each other. The device comprises a rolling space holder having two sets of two rollers whose center... | 08/22/1989 |
| 4838122 | Speed change device for bicycle A speed change device for a bicycle comprises a carrier jointed to a crank arm and a plurality of planet gears rotatably supported on a plurality of shafts arranged in a circle on said carrier. Each of the planet gears includes a plurality of planet gear ... | 06/13/1989 |
| 4732054 | Stepless speed change device A stepless speed change device comprises internally toothed ratchet rings arranged in plural rows side by side in an axial direction on an inner circumference of a driving rotary member on an input side through one-way clutches interposed therebetween, a ... | 03/22/1988 |
| 4712450 | Stepless speed change device A stepless speed change device comprises first ratchet rings arranged in plural rows side by side in an axial direction on an inner circumferential surface of a rotary member on an input side through one-way clutches interposed therebetween, and an eccent... | 12/15/1987 |
| 4682509 | Adjustable handlebar for bicycle An adjustable handlebar for a bicycle according to the invention comprises two handlebar members whose adjacent ends are pivotally supported by two bolts whose extended axes are crossing in front of the bicycle, gear teeth formed in the adjacent ends of t... | 07/28/1987 |
| 4644828 | Stepless speed change device for bicycle A stepless speed change device for a bicycle comprises a plurality of planetary members journaled in a carrier fixed to a crankshaft of the bicycle in two parallel planes perpendicular to the crankshaft, planetary gears respectively fitted on the planetar... | 02/24/1987 |
| 4591027 | Band brake assembly for bicycle A band brake assembly for a bicycle includes a brake band having a brake lining and a brake drum to which the brake lining is urged by a brake operating cable in braking. According to the invention, the band brake assembly comprises a wire guide whose fro... | 05/27/1986 |
| 4579360 | Foldable bicycle frame A foldable bicycle frame includes a substantially vertical center tube at a mid portion of a bicycle frame, an upper center tube and a lower center tube to be partially fitted in upper and lower ends of the center tube, respectively. A front half of the b... | 04/01/1986 |
| 4541648 | Bicycle frame A bicycle frame comprises a main frame having a head tube portion and a seat tube support portion integrally formed of a single blank tube, a seat tube inserted in the seat tube support portion of the main frame and having a cross-shaped lower end formed ... | 09/17/1985 |
| 4501576 | Power transmission mechanism A power transmission mechanism includes a gear member and an annular and eccentric floating member having internal gear teeth meshed with external gear teeth of the gear member. A pair of guide plates provided on both outer sides of either the gear member... | 02/26/1985 |
| 4484756 | Blank tube and main frame for two-wheeled vehicle A blank tube constituting a main frame for a two-wheeled vehicle, comprises a main tubular portion having thicker walls in the proximity of its ends subjected to the largest forces and tubular expanded portions extending from the ends of the tube for rece... | 11/27/1984 |
| 4460192 | Frame for folding bicycle A frame for a folding bicycle includes a base frame having a triangular configuration, the base frame having a pair of back forks and a pair of lower stays joined to a pair of end members respectively. A main pipe is interconnected between the pair of bac... | 07/17/1984 |
| 4460191 | Foldable bicycle frame A foldable bicycle frame includes a lower frame and a front frame pivotally mounted on the lower frame, the lower frame having fork elements supporting a rear wheel axle. A seat tube is pivotally mounted on the lower frame. A front support stay is pivotal... | 07/17/1984 |
| 4443023 | Method and device for displacing the head tube of a bicycle A bicycle frame includes a chain stay structure, a seat tube extending from the chain stay structure, an inclined down tube pivotally connected to the chain stay structure and disposed forward of the seat tube, a top longitudinally extending element conne... | 04/17/1984 |
| 4145068 | Method of manufacturing bicycle frame by die casting and bicycle frame manufactured thereby A bicycle frame comprises tubes closed at their ends and lugs for connecting the tubes to form the frame, which lugs are formed by die casting in dies in which the tubes are arranged so as to integrally surround the closed ends of the tubes by the die-cas... | 03/20/1979 |
| 4064972 | Caliper brake for bicycles for maintaining equal distance between both brake shoes and a wheel therebetween A caliper brake for a bicycle comprising left and right caliper arms rotatably fitted to a pivot shaft and having at their ends brake shoes adapted to be urged against a rim of a wheel of the bicycle, a rocking arm having a base portion pivotally mounted ... | 12/27/1977 |
