Abstract:
A bicycle hub is provided for use with tangential bicycle spokes. The bicycle hub includes a hub axle and a hub body. The hub axle has a set of spoke openings. The spoke openings are circumferentially arranged around the hub body and extend between the external and internal surfaces. Each of the spoke openings has an enlarged insertion portion and a retaining portion. An internal head receiving seat is preferably located adjacent each of the retaining portions. An internal abutment is preferably arranged between each of the insertion portions and each of the head receiving seats. The external surface, the head receiving seats and the abutments are configured to retain the bent ends of the spokes. The external surface preferably has a flute portion extending from each of the retaining portions. The retaining portions and the flute portions are configured to retain the bent ends of the spokes.
Abstract:
A bicycle rim including an annular shaped element whose cross-section includes a box shape demarcated by an upper bridge and a lower portion having a lower bridge and side walls, the lower bridge or the side walls having holes distributed evenly and provided for the connection of the spokes, the holes and their immediate vicinity defining boring zones. The thickness of the walls constituted by the lower bridge and the side walls has a nominal value in the boring zones and a lower value than the nominal value in the intermediate zones located between two adjacent boring zones, and the thickness of this wall varies progressively from the nominal value to the lower value to the nominal value.
Abstract:
A rim for a bicycle wheel with tubeless tire comprises a radially inner peripheral wall, a radially outer peripheral wall, two circumferential side walls which connect the inner and outer peripheral walls and form two ribs which extend beyond the outer peripheral wall, for anchorage of a tubeless tire. The inner and outer peripheral walls have two holes facing one another, within which an intermediate tubular element is mounted, connected to which is a valve body of a standard type normally used for bicycle wheels provided with inner tubes.
Abstract:
A bicycle brake disc hub is provided for use with tangential bicycle spokes. The bicycle hub basically has a hub axle and a hub body with a brake rotor attachment portion integral formed therewith as a one-piece, unitary member. The hub axle has a center axis extending between a first end and a second end. The hub body has an interior passageway with the hub axle being rotatably supported therein. The hub body also has a set of first spoke openings circumferentially arranged around the hub body. The brake rotor attachment portion is located at a first end section of the center tubular portion. The first spoke openings are located adjacent the brake rotor attachment portion. The first spoke openings extend through the first end section of the center tubular portion of the hub body. The brake rotor attachment portion having a plurality of through bores. The through bores receive a bolt therethrough with a nut coupled the end of the bolt
Abstract:
A rim drop section dented in a shape of a ring is provided on an inner side of a bead seat section of a rim for holding a bead section of a tire. Furthermore, a recessed section is provided on this rim drop section, and a detecting device main body of a tire air pressure detecting device is accommodated in this recessed section. When a tire is assembled on a cast wheel by utilizing a tire changer or the like, or when the tire is removed from the cast wheel, the bead sections of the tire are prevented from interfering with an air pressure sensor, and damaging of the air pressure sensor is prevented.
Abstract:
A bicycle rim is provided with a wear indicator. The bicycle rim has an outer annular portion, an annular spoke attachment portion and a pair of oppositely facing annular braking surfaces. The outer annular portion is adapted to receive a tire and the annular spoke attachment portion is coupled to the outer annular portion. The annular spoke attachment portion is adapted to be coupled to a plurality of spokes. At least one of the annular braking surfaces has a wear indicator.
Abstract:
A bicycle wheel rim used for mounting a plurality of spokes thereon includes spaced left and right annular tire retaining walls adapted for retaining a bicycle tire therebetween, and an annular spoke mounting wall. Each of the tire retaining walls has an inner edge proximate to a central point of the wheel rim, and an outer edge distal to the central point of the wheel rim. The spoke mounting wall interconnects the inner edges of the tire retaining walls, and has a central bridging portion with left and right terminating edges, a left corner block which interconnects the inner edge of the left tire retaining wall and the left terminating edge of the bridging portion and which is formed with a set of left spoke fastening holes, and a right corner block which interconnects the inner edge of the right tire retaining wall and the right terminating edge of the bridging portion and which is formed with a set of right spoke fastening holes that are staggered with respect to the left spoke fastening holes.
Abstract:
The invention relates to a tubeless bicycle tire and rim. The rim is formed with opposing recesses configured to engage corresponding beads formed on the tire. With the beads engaged in the recesses, the tire and rim seal for form an air tight, sealed chamber such that no inner tube is necessary. The rim is formed with a single aperture having a valve installed therein. Preferably, the valve is formed with a ring which extends into the air tight, sealed chamber. In the event of a flat tire, the tire may be removed from the rim. The valve may also be removed by grasping the ring and pulling.
Abstract:
A bicycle wheel rim includes a rim body having an annular spoke-mounting wall and spaced left and right annular tire-retaining walls, and a pair of wear-resisting rings. The spoke-mounting wall has two annular lateral peripheral edges. The left and right annular tire-retaining walls extend integrally, radially, outwardly and respectively from the lateral peripheral edges of the spoke-mounting wall. Each of the tire-retaining walls has an inner surface that faces the other one of the tire-retaining walls to confine a tire receiving space therewith, an outer brake pad contacting surface opposite to the inner surface, and an annular end face distal to the spoke-mounting wall. Each of the tire-retaining walls further has a tire retaining projection, formed at a corner of the end face and the inner surface for engaging a bicycle tire so as to retain the bicycle tire between the tire-retaining walls. The wear-resisting rings are made of a resilient material. Each of the wear-resisting rings extends along the end face of a respective one of the tire-retaining walls, and projects radially and outwardly relative to the end face of the respective one of the tire-retaining walls to prevent the end face from contacting directly the bicycle tire to minimize wearing of the bicycle tire.
Abstract:
A bicycle wheel rim adapted for mounting a plurality of spokes thereon includes spaced left and right tire retaining walls, an annular spoke mounting wall, an annular connecting wall, and left and right reinforcing walls. The spoke mounting wall interconnects inner edges of the tire retaining walls, and has a central spoke fastening portion formed with spoke fastening holes. The connecting wall is disposed around the spoke mounting wall, and interconnects intermediate portions of the tire retaining walls. The left reinforcing wall has a first end connected to a left terminating edge of the connecting wall and the intermediate portion of the left tire retaining wall, and a second end connected to the central spoke fastening portion of the spoke mounting wall. The left reinforcing wall is inclined with respect to the left tire retaining wall. The right reinforcing wall has a first end connected to a right terminating edge of the connecting wall and the intermediate portion of the right tire retaining wall, and a second end connected to the central spoke fastening portion of the spoke mounting wall. The right reinforcing wall is inclined with respect to the right tire retaining wall.