Abstract: An aerodynamic bicycle rim comprising: a circumferential outer portion comprising a circumferential outer surface, the circumferential outer portion adapted to seat a bicycle tire; a nose; and a set of sidewalls, each sidewall extending radially from the nose of the aerodynamic bicycle rim to a corresponding transition to the circumferential outer surface to form a rim body having a maximum rim body width that is greater than a maximum width of the bicycle tire. The aerodynamic bicycle rim is operable to seat the bicycle tire so that the aerodynamic bicycle rim and the bicycle tire form an asymmetrical cross-sectional shape.

Abstract: A bicycle rim is made with a plurality of layered, each of which is formed of structural fibres incorporated in a polymeric material. The rim has a radially outer peripheral channel with an upper bridge extending between the wings for holding a tyre. The peripheral channel comprises an inner layered structure, extending between wings and at least one wrapping layered structure, wound on the inner layered structure at least at the end of the wings, the inner layered structure and the wrapping layered structure being included in the plurality of layered structures.

Abstract: In a non-pneumatic tire, a plurality of first to third curved sections (21d) to (21f) and (22d) to (22f) curved in a tire circumferential direction are formed at first and second elastic connecting plates (21) and (22) in an extension direction in which the first and second elastic connecting plates extend, in a tire side view when a non-pneumatic tire (1) is seen from a tire width direction (H), curved directions of the first to third curved sections neighboring in the extension direction are opposite to each other, and each of the first and second elastic connecting plates, and inflection sections (21g), (21h), (22g) and (22h) disposed between the first to third curved sections neighboring in the extension direction has a smaller cross-sectional area than other portions.

Abstract: A structure of a bicycle wheel rim is disclosed. It comprises an inner rim frame and a composite rim body. The inner rim frame is provided with an inner rim part, two lateral ring parts respectively disposed on both sides of the inner rim part, two hooks respectively disposed on terminals of the two lateral ring parts, and an opening formed between the two hooks and having a supporting part. The composite rim body encapsulates the inner rim part, the two lateral rings and the two hooks.

Abstract: The invention relates to a bicycle component, for example a rim, comprising a body made from aluminium and a body made from composite material coupled with a first surface portion of the body made from aluminium. Such a first surface portion has been subjected to a deoxidation surface treatment. An adhesive substance has been then applied on at least part of said first surface portion for gluing the body made from aluminium to the body made from composite material. A second surface portion of the body made from aluminium has been subjected to an oxidation surface treatment with subsequent fixing of the oxide.

Abstract: The invention is directed to a wheel (1) which comprises a rim (4) and a thereto connected spoke structure (3) made out of fiber reinforced plastic material. An insert (2) is embedded in the fiber reinforced material at the center of the spoke structure (3). The insert (2) protrudes in at least one region above the surface of the fiber reinforced plastic material (16) forming at least one contact area (10, 14, 5).

Abstract: A wheel comprising: an inner hub including a first side, a second side being generally parallel to and opposite of the first side, an axle shaft emanating up from the second side, a plurality of inner spokes emanating up from the second side and outward from the axle shaft and engaging an inner circumferential member; an outer hub engaged to the inner circumferential member, a plurality of outer spokes emanating from the inner circumferential member, the outer spokes being engaged to the inner circumferential member at a proximal end of the spokes and engaged to an inner surface of an over mold substrate at a distal end of the spokes, the over mold substrate also having an outer surface being generally parallel to and opposite of the inner surface; and a over mold tread chemically bonded to the outer surface of the over mold substrate.

Abstract: The technology provides vehicle wheels that can include a hub coupling portion and a spoke. The spoke can have a waved portion at a portion of the spoke in the radial direction of the wheel and can be decreased in section modulus at a cross section of the portion of the spoke taken along a plane perpendicular to the radial direction of the wheel. The waved portion can be formed by displacing the spoke bottom wall and/or the spoke reinforcing walls in the axial direction of the wheel.

Abstract: Wheels and methods of making wheels are disclosed including an inner portion and a tread mechanically coupled to the inner portion. The tread may be mechanically coupled to the inner portion on an inside and an outside of the wheel. The inner portion may include a rim including a plurality of apertures. The inner portion may be high density polyethylene and the tread may be thermoplastic elastomer.

Abstract: The invention concerns a vehicle wheel, in particular for passenger vehicles and motorcycles, comprising a rim for receiving a tire and a spoke unit or a wheel disc connecting the rim to the hub. The rim is made of plastic material and the spoke unit or the wheel disc of metal. The rim is connected to the spoke unit or wheel disc by form-closure and/or by force-closure of the material. The invention aims at enabling the wheel disc to be accurately positioned relative to the rim base and at providing a wheel with an attractive design. Therefore, the spoke unit, or the wheel disc are connected via at least one connecting element guided through the rim base and the connecting element is housed in the spoke unit or the wheel disc so as to be completely covered by a tire or by the spoke unit or the wheel disc.

Abstract: The present invention relates to a method for producing a rim ring for a wheel rim, in particular for a wired-on wheel rim, with the following steps: providing an outer rim profile made of hardened composite fibrous material, providing a plastic shaping element, providing at least one top layer made of composite fibrous material, inserting the plastic shaping element radially within the outer rim profile, and positioning the top layer relative to the plastic shaping element and to the outer rim profile such that at least part of the top layer extends from the plastic shaping element onto the outside of the outer rim profile. The present invention further relates to a method for fastening spokes made of composite fibrous material to a rim ring. Finally, the present invention also relates to a rim ring, a wired-on wheel rim and a bicycle with wired-on wheel rims.

Abstract: Carbon fiber bicycle wheels are formed from parts cut from carbon fiber cloth and then joined together to form a rim, sidewalls, spokes, flanges and a center tunnel on which the flanges are mounted. The parts are then assembled, bonded together, and cured to form a wheel. During assembly, the spokes and the wheel are placed in tension by moving the flanges outwardly on the center tunnel after assembly and then bonding them in place to stiffen and strengthen the wheel. The spokes of the drive side of the rear wheel are specially shaped to accommodate torque transfer forces generated by pedaling.

Abstract: A frame of a wheel includes a ring, several spokes, and a hub; the ring has several connecting members on an inward side, and the spokes each have a connecting hole on each of first and second ends thereof, and are each joined to one corresponding said connecting member at their first ends with threaded fixing elements; the hub includes left and right holding members, each of which has several hollow receiving portions on an inner side thereof; each holding member has a connecting hole extending through each of the hollow receiving portions; the left holding member is joined to the right holding member with the hollow receiving portions thereof adjoining the hollow receiving portions of the right holding member respectively; the spokes are securely joined to the hub, with their second ends being received in the hollow receiving portions, with threaded fixing elements.

Abstract: A wheel having a hub, a rim, at least two ring-shaped spokes connecting the hub and the rim, and a tire arranged around the outer periphery of the rim; wherein each of the ring-shaped spokes is formed from an elastic material, connected with the hub at the inner periphery, connected to the rim at the outer periphery, and is attached in a state of being stretched beyond dimensions when not subjected to stress.

Abstract: A molded product includes a receiving member in a body. A coupling component such as a female screw component is embedded in the receiving member. A connecting piece is formed continuous to the body and the receiving member based on integral molding. The connecting piece extends to the receiving member from the body inside a bore formed in the body. The connecting piece may form a single flat plate in the molded product, so that a general cutting device can be utilized to cut through the connecting piece in a facilitated manner. The receiving member can be removed from the body without any difficulty. The receiving member can be separated from the body.

Abstract: A vehicle wheel rim includes a wheel rim body having a tubular wall formed by deep drawing and having two opposite ends, and an annular protrusion formed as one piece with and projecting radially and inwardly from the tubular wall between the two ends. The annular protrusion has a first bent part which is bent inwardly from the tubular wall, and a second bent part which is bent outwardly from the first bent part. The first and second bent parts are flattened to abut each other. The annular protrusion further has a plurality of angularly spaced-apart through holes that extend through the first and second bent parts.

Abstract: A motor vehicle wheel frame is integrally moulded in a split mould including a lower mould portion (12) and a complemental mould portion. Channel-like spoke forming formations (12.1) receive layers (24.1) of moulding material wrapped around heat expanding, resilient intensifiers (20) which are inwardly checked by resilient locking inserts (22) partially within a hub cavity and abutting a cylinder (19). During demoulding, after curing, the locking inserts (22) and thereafter the intensifiers (20) are removed by longitudinally stretching and cross-sectionally reducing them, leaving the spokes hollow. During curing, the heat expanding intensifiers pressurises the spoke forming layers of moulding material against the mould portions.

Abstract: A wheel assembly including a wheel that has a hub and an annular rim. The hub is disposed at or near the center of the rim. The wheel assembly also includes an axle sleeve which is coaxial with the hub. A method of constructing a wheel is also provided. A wheel having a bore is blow molded. The wheel is extracted from a mold. An axle sleeve is fitted the bore in the wheel.

Abstract: A stroller wheel structure includes a wheel frame and a stroller wheel coaxially mounted thereto. The wheel frame includes a hub body for rotatably mounting to a stroller and a ring shaped rim body, which is coaxially mounted to the hub body, having a first side, an opposed second side, and a plurality of transverse through slots spacedly provided on the rim body to communicate the first side with the second side. The stroller wheel includes a solid core wheel body having a ring shaped coaxially mounted on the rim body, two spaced apart sidewalls radially extended from inner circumferential edges of the wheel body to cover the first and second sides of the rim body respectively, and a plurality of reinforcing ribs integrally extended between the sidewalls through the transverse through slots of the rim body respectively, so as to substantially mount the stroller wheel around the wheel frame.

Abstract: A two piece fiber reinforced composite wheel includes a molded inner rim portion defining an outboard engagement surface and a molded outer rim portion defining an inboard engagement surface. The inner and outer rim portions are conformed so as to interlock together and are adhesively bonded. The inner and outer rim portions engage forming a plurality of spoke sections having substantially box shaped cross sections. The spoke sections are further connected with fasteners.

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 bicycle wheel structure comprises a main shaft tube, a shaft, a shaft pivoting member, a plastic wheel rim, and a wheel tire. The shaft is received in the main shaft tube in conjunction with the shaft pivoting member. The main shaft tube is provided in the side wall with a plurality of through holes via which a plastic inner tube is formed on the inner wall of the main shaft tube at the time when the plastic wheel rim is formed on the main shaft tube by injection molding. The inner tube serves as an anchorage to hold the plastic wheel rim firmly on to the main shaft tube. The plastic wheel rim is provided in the outer surface with a receiving slot which is in turn provided in the inner wall with a plurality of projections to retain the wheel tire that is mounted in the receiving slot.

Abstract: A wheel system for securely mounting a tire thereon. The assembly includes a wheel having a rim with radially outward extending slots. A tire with radially inward extending protuberances mates with the radially extending members for securely mounting the tire to the wheel. The mating of protuberances with the members limits radial deflection and rotational movement of the tire about the rim. Axial movement of the tire relative to the rim is limited by the inner surface of the sidewall of the tire abutting the ends of the radially extending slots. In one embodiment, the wheel is composed of material having elastic properties for absorbing shock.

Abstract: A bicycle wheel includes an annular rim having an annular base wall, a hub shell surrounded by the annular base wall and having two opposite ends that are disposed at two opposite sides of the annular rim, and a plurality of unitary V-shaped spokes equiangularly spaced apart and extending from the hub shell to the annular base wall. Each of the V-shaped spokes has a tip end that is connected to the annular base wall, and two arms that diverge from the tip end and that have distal ends which are respectively connected to the opposite ends of the hub shell.

Abstract: A multi-part lightweight easily extruded or molded wheel rim and wheel particularly for cycling with joined flanges which extend radially inwardly toward the center of the rim and wheel provides strength not found in conventional channel shaped rims. The radially extending flanges are provided with apertures for receiving bent ends of spokes for assembling the rim and a hub to form a wheel which receives an inflatable tubeless or tube tire which need not be dismounted from the rim when repairing or replacing spokes.