Abstract:
A bicycle hub is to be installed on a wheel axle, and includes a tubular body and an annular mounting seat provided on one end of the tubular body. The mounting seat has first and second end walls which are opposite to each other along an axis of the wheel axle, and an inner wall surface facing the axis and including a plurality of indented spoke mounting sections that are displaced angularly from one another and that are indented in radial directions. Each spoke mounting section is defined by a pair of inclined side walls and a bottom wall extending between the inclined side walls. The mounting sleeve is formed with a plurality of spoke mounting holes, each of which extends from a respective one of the inclined side walls to an outer wall surface of the mounting sleeve.
Abstract:
A bicycle wheel basically has a hub, a plurality of spokes extending outwardly from the hub and an annular rim coupled to the outer ends of the spokes for supporting a tire. The annular rim has a spoke attachment portion with a plurality of spoke openings for receiving the outer ends of the spokes therein. The spoke openings of the annular rim have reinforcement members located between the spokes and annular rim. The outer ends of the spokes have bent sections located within the spoke holes of the reinforcement members or washers and head section that engage the inner surface of the reinforcement members. The rim is free of access apertures or holes in the outer annular portion adjacent a majority of the spoke holes. The reinforcement member has a transverse dimension allowing the outer end of the spoke and the reinforcement member to pass through the openings in a first orientation and be retained in the openings in a second orientation.
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 wheel having spokes (4) stretched between a hub (1) and a rim (3), wherein in order to increase durability with optimizing the number of spoke crossing, a hub collar surface (6) is provided parallel with an elevation angle (5) caused by the spokes (4) between the hub collar (2) and the rim (3), hub holes (9) are provided approximately at a right angle to the elevation angle (5), spoke insert holes (12) are bored in the outer peripheral surface (14) of the hub collar, opposed peripheral restraint walls (13) are provided on the outer peripheral surface (14) of the hub collar (2), one end of each spoke (4) inserted from the spoke insert hole (12) is threadedly fastened to a hub nipple (8) fitted into the hub hole (9), and the other end is threadedly fastened to a rim nipple (19).
Abstract:
A rim base to be used with the rim of a wheel, particularly the rim of a so-called box section bicycle rim, as well as a rim equipped with such a rim base, and a wheel having such rim and rim base. The rim base is formed by a continuous annular strip having, in cross section, a median depression, forming a U-shaped radial groove provided to be positioned within in the central well of the rim, two lateral extensions provided to be supported upon on the interior edges of the rim that border of the well, and two lateral walls provided to extend along the flanges of the rim. The walls of the rim base are extended by a pair of lips that project toward the inside relative to the walls of the rim base, the lips being adapted to be positioned adjacent the lips of the rim.
Abstract:
A bicycle wheel is disclosed. The wheel, which has a center plane, comprises: a bicycle wheel hub for supporting the wheel relative to an axle rotatably supported therein, a rim, a given number, at least three, pairs of first and second spokes, and adjustable threaded means for adjusting the tension in each of said spokes, independently of any adjustment to the tension in another spoke. The hub has first and second hub flanges axially displaced from one another, each on the opposite side of the wheel center plane from the other. Each of the spokes of the given number of pairs of first and second spokes has a first and a second end connected to one of the hub flanges and to the rim, respectively, so that tension is applied by the first spokes between the first hub flange and a first plurality of points which are circumferentially spaced substantially evenly around the rim on the opposite side of the wheel center plane from the first flange of the hub, and so that tension is applied by the second spokes between the second hub flange and a second plurality of points on the rim each of which is substantially circumferentially coincident with one of the first plurality of points, and is on the opposite side of the wheel center plane from the second flange of the hub. The pairs of first and second points on the rim are sufficiently close to each other that the bicycle has improved resistance to speed shimmy or wobble or front wheel induced steering inputs by comparison with a bicycle with a conventional front wheel having the given number of pairs of first and second spokes.
Abstract:
Described is a bicycle wheel (10) wherein the metal rim (12) is formed by a hollow-chambered rim (22) with an external flange (28) and an internal flange (26), by which a peripherally extending hollow rim chamber (35) is defined. The external flange (28) is provided with holes (34). The distal ends (38) of the spokes are integrally connected through the holes (34) in the external flange (28) to a spoke anchoring body (45) which extends peripherally in the hollow rim chamber (35) and which comprises the injection molding material of the spoke body (16).
Abstract:
A reinforced annular bicycle rim is provided that includes a tire attachment portion and a spoke attachment portion fixedly coupled with the tire attachment portion to form an annular hollow area. A plurality of separate reinforcement members are fixedly coupled to an exterior surface of the spoke attachment portion to effectively increase the thickness of the rim at circumferentially spaced locations. Each of the reinforcement members is located exteriorly of the hollow area. Openings extend through the reinforcement members and the spoke attachment portion to couple spokes to the rim. A method of making such a rim is also provided. Preferably, the reinforcement members are welded or brazed to the spoke attachment portion, and then the openings are formed in the spoke attachment portion and the reinforcement members.
Abstract:
An improved wheel construction with a peripheral wheel rim, a central hub with a hub flange and a plurality of spokes extending between the rim and hub, wherein the spokes have a first peripheral portion connected to the rim and a second portion opposed to the first portion. At least one of the spokes is a duplex spoke, including two structural spans extending between the rim and hub with a common portion connected to the hub flange. The duplex spoke includes a portion to directly engage the hub flange.
Abstract:
A spoked wheel for a bicycle including a rim, a hub, a plurality of spokes tensed between the rim and the hub, each provided with a spoke attachment element for attachment to the rim, a plurality of seats, such seats being openings formed in the rim, each for housing one of said spoke attachment elements. The shape and size of the spoke attachment elements and of the seats of the rim are such that: the spoke attachment element is suitable for taking up a first configuration in which its insertion through the seat is possible; and the spoke attachment element once inserted in the seat assumes a second configuration in which it is not possible to remove the spoke attachment element through the seat.