697results about "Spoked wheels" patented technology

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.

The utility model provides a wave hub, a wheel and a bicycle, wherein the wave hub comprises a wheel rim and a spoke connecting a hub and the wheel rim, wherein the wheel rim comprises an outer wheel tire mounting portion for mounting a tire, an inner wheel spoke connecting portion for connecting the spoke, and two wheel rim side walls relatively arranged between the outer wheel tire mounting portion and the inner wheel spoke connecting portion, wherein the wheel rim is provided with a plurality of wheel rim wave shapes, wherein the wheel rim wave shapes extend from the inner wheel spoke connecting portion to the two wheel rim side walls; and the wheel spokes are provided with a plurality of wheel spoke wave shapes. The wheel rim wave shape can guide the flow direction of airflow, reduce the wind resistance coefficient of the wheel rim, and provide a better aerodynamic effect; and the waves on the side of the wheel rim are equivalent to an arch, which increases the side deformation resistance, and the side rigidity of the wheel rim is also improved; the wheel spoke wave shape can reduce the wind resistance of the wheel spoke, thereby reducing the overall wind resistance of the wave hub.

A spoke positioning and placement apparatus (1), comprising a rim handling device (2) for handling a rim (3) of a bicycle wheel (4), and a spoke handling device (5) for handling a spoke (6), which rim handling device (2) and spoke handling device (5) are arranged to execute a concerted operation for positioning a spoke (6) or spokes with reference to the rim (3), wherein the spoke handling device (5) is arranged to engage and bent a spoke (6) which is on a first side attached to an upper flange (15) or a bottom flange (16) of a hub of the bicycle wheel (4), and to subsequently position an end portion (6') of the spoke (6) opposite to the first side which is attached to the upper flange (15) or the bottom flange (16) of the hub of the bicycle wheel (4), in front of a selected spoke hole (9) in the rim (3), and to relax the spoke (6) and position said end portion (6') of the spoke (6) into the selected spoke hole (9) of the rim (3), wherein the apparatus (1) is arranged to hold the rim (3) in a horizontal plane, and the apparatus comprises a vertically movable hub support (17) for supporting the hub at a desired height with reference to the rim (3).

The invention relates to a rim (10) for a bicycle wheel and an associated bicycle wheel comprising such a rim. The rim (10) comprises an upper bridge (11) configured to allow mounting of a tire, a lower bridge (12) comprising a plurality of perforated spoke attachment seats (12a), and two opposing side walls (20a, 20b) connecting the upper bridge (11) to the lower bridge (12). At least one of the two side walls (20a, 20b) comprises at least one recess (22) having an axial depth that increases as it moves in the recess (22) in a radial direction from the upper bridge (11) towards the lower bridge (12).

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.

A grid framework structure includes a first set of parallel rails or tracks and a second set of parallel rails or tracks extending substantially perpendicularly to the first set of rails or tracks in a substantially horizontal plane to form a grid pattern. The grid is supported by a set of uprights to form a plurality of vertical storage locations beneath the grid for containers to be stacked between and be guided by the uprights in a vertical direction. A load handling device includes a body mounted on a first set of wheels and a second set of wheels arranged to engage with the tracks. A gripper assembly is provided for latching to a storage container via a deformable flexure mechanism movable between a locked configuration and a release configuration.

The present invention relates generally to agricultural devices, and in particular, to a gauge wheel system for use in an agricultural device. In one aspect of the invention there is provided a gauge wheel for use on cultivation equipment comprising a hub member having a central bearing portion for mounting to the cultivation equipment; a peripheral flange portion displaced laterally with respect to the hub member; and a resilient coil member mounted to a surface of the hub member at a proximal end and comprising at least two windings that extend between the hub member and the peripheral flange portion to terminate at a free distal end adjacent the peripheral flange portion; wherein the free distal end of the resilient coil member is constrained to prevent contact of the resilient coil member with the peripheral flange portion.

Two or more sensors positioned at a wheel of a stopped vehicle may detect an unwanted substance, and transmit signals, based on which a height level of the substance is determined. The system may also determine a type of the substance, such as water, snow, sand or mud, based on electrical resistance of the substance detected by the sensors. Cameras or other imaging equipment, including LIDAR, may also be used to determine the substance height and / or composition. Accordingly, actions to protect the vehicle may be taken, such as raising or lowering the ride height of the vehicle body using an adjustable suspension of the vehicle. Other protective actions may include closing vents, seals, valves and battery isolation units, and transmitting messages to a vehicle driver and / or to emergency personnel.

The invention discloses a bicycle rim and a manufacturing method thereof.The bicycle rim comprises an annular rim body, and the rim body comprises a U-shaped supporting part, a connecting part connected with the two ends of the supporting part and two bead beads arranged at the two ends of the outer side of the connecting part respectively; a semi-closed tire groove used for installing a tire is defined by the connecting part and the two tire beads, the width of each tire bead is 5-10 mm, and the tire beads are provided with lightening holes. According to the bicycle rim and the manufacturing method thereof, the width of the bead of the rim is increased, so that riding resistance can be reduced for a road ring, wind resistance can be reduced for a mountain ring, and the problem of tire biting can be effectively reduced; the lightening holes are formed in the bead position, so that the width of the bead is increased, and the self weight of the rim is basically unchanged; the hollow pipe is pre-buried in the bead and integrally formed with the rim, the lightening hole structure is obtained, the conception is ingenious, and the problem that the dead weight of an existing bicycle rim is increased due to the fact that the bead width is increased is effectively solved.

A bicycle includes a frame, a seat, and at least one wheel rim. The rim includes a main body, and a first flange and a second flange extending from the main body for supporting a tire. A ratio of a first flange width to a flange spacing is at least 0.14. A ratio of an inner corner radius to the first flange width is preferably at most 0.5. A ratio of the first flange width to a first flange height is at least 0.75. The main body includes a cavity having a radial projection that is spaced from a radial projection of the first flange projection by a gap that is at least 10% of the first flange width. The main body further includes a nose section and a first sidewall connecting the nose section to the first flange, wherein the first sidewall includes a first concave outer surface.

To lighten a weight of a vehicle wheel.SOLUTION: A vehicle wheel 1 consists of a cast integrally comprising a disc 10 and a rim 20, wherein a plurality of windows 12, 13 and spokes 14, 15 are arranged alternately in a circumferential direction on the disc 10. An annular space 30 is formed between a disc-side side wall part 23 and an outer peripheral edge part of the disc 10 in the inside in a radial direction of a disc-side bead seat part 22 in the rim 20. Thickness reduction recesses 41, 42 are formed on a back face of the disc 10. The thickness reduction recesses 41, 42 have extension parts 41a, 42a extending outside in a lateral direction to face the annular space 30.SELECTED DRAWING: Figure 3

A rim assembly for a bicycle wheel, comprising a rim having generally opposing first and second wall sections configured for mounting a bicycle tire, each of said first and second wall sections comprising an outwardly facing recess and; a rim component located in each recess, wherein each rim component has a lower density than the rim, wherein the rim components do not form part of a braking section of the bicycle wheel.

A pre-forming mold for a carbon fiber composite material includes a pre-forming shell mold detachably spliced, the pre-forming shell mold is provided with a pre-forming cavity adapted to a structure of a formed product, an inner wall of the pre-forming cavity is used for laying a plurality of layers of pre-forming layers of carbon fiber composite materials, and the pre-forming layers are used for forming pre-forming pieces of products. The disclosure also discloses a forming mold for a carbon fiber composite material, including a curing mold, an air pipe and the above-mentioned pre-forming mold, the curing mold is provided with a curing cavity used for containing the pre-forming shell mold, the air pipe adopts nylon air pipe and is arranged in the pre-forming cavity, and the nylon air pipe supports the pre-molding layer to be tightly attached to the inner wall of the pre-forming cavity in an inflated state.

A moving body includes a body, and a wheel coupled to the body to be rotatable, and the body includes a first body part, a second body part connected to the first body part to be slid in a forward / rearward direction with respect to the first body part, a first coupling part formed in the first body part or the second body part, and a second coupling part coupled to the first coupling part and constrains sliding between the first body part and the second body part.

The invention discloses an articulated nipple (1) for the fixation of a bicycle spoke (R) comprising an elongated body (2) and a washer (3). The body (2) comprises a radial protrusion (22) that protrudes radially therefrom, and the washer (3) comprises a radially inner face (31) conforming a radial cavity. Thus, the protrusion (22) is housed inside the radial cavity to conform an articulated connection between the washer (3) and the body (2). This articulated connection allows for the body (2) to rotate an angle (α) with respect to the washer (3) around an axis that is perpendicular to the longitudinal axis (ELA) of the washer (3).

Sensor modules mountable on a wheel are described with methods of use. A sensor module for a wheel includes a base module mountable to a rim. The sensor module further includes a first set of piezoelectric sensors coupled to the base module at a first side and a second set of piezoelectric sensors coupled to the base module at a second side. A method includes receiving a first force from a tire on a piezoelectric sensor mounted on a rim, the force resulting from an inflation of the tire and causing a first strain on the sensor. The method further includes receiving a second force on the sensor corresponding to a deformation of the tire due to surface contact, where the second force causes a second strain. The method also includes generating wheel data from electrical signals produced by the sensor; and transmitting the wheel data to a remote device.

A facility and its use and method of examining the production quality of bicycle components with a control device, a heat source and a camera. The heat source applies heat on the bicycle component during a measuring process. The camera captures a spatially resolved thermal image of the bicycle component. The thermal image is evaluated to determine the production quality of the bicycle component. A deflecting device deflects heat radiation, to capture different sides of the bicycle component.

The utility model provides a high-strength carbon fiber spoke. The diameter of the middle of a spoke body is larger than that of the two ends of the spoke body. The long tooth cap and the round cap head are arranged on the spoke body in a sleeving mode from the end of the spoke body, then the end of the spoke body is covered with yarn, a fixed connection thread part fixed to the end of the spoke body is formed in a mold curing mode, the fixed connection part is machined through a material removing machining method, and a fixed connection thread head is formed. The two ends of the spoke body are fixedly connected with the thread heads, the thread heads are smeared with adhesives, the long tooth caps and the round cap heads are rotated outwards anticlockwise, the long tooth caps and the round cap heads are rotated from the inner ends of the thread heads to the outer ends, the thread heads of the long tooth caps and the round cap heads are meshed, and the spoke body, the long tooth caps and the round cap heads are fixed together; the long tooth cap, the round cap and the spoke body are mutually meshed through threads and are bonded through the adhesive, so that tight limiting of the long tooth cap, the round cap and the spoke body is achieved, separation is not prone to occurring, and the tensile strength requirement and the fatigue performance requirement of the spoke are met.

A system and a vehicle (110) for providing a required ground clearance include adjustable wheels (120), fenders (130) integrated into a body of the vehicle (110), and a controller (104) for controlling the size of the adjustable wheels (120) and the movement of the fenders (130). Each adjustable wheel (120) is configured to change its roll radius. The fenders (130) include a plurality of fender segments (132) arranged side by side along an arc of the corresponding fender (130). Based on a change in the roll radius of the wheel (120), the fender segments (132) move radially inward away from the corresponding wheel (120) and outward toward the corresponding wheel (120), maintaining a predefined distance between the fender segments (132) and an outer circumference of the wheel (120).

A bicycle wheel assembly structure includes an annular rim, a hub, nipples, and spokes. The annular rim includes multiple rim penetration sections, each of which includes a rim-side limiting part on a circumference. The hub is arranged at the center of the annular rim. The hub includes multiple hub penetration sections. The rim-side limiting part and the nipple limiting part, and also the hub-side limiting part and the spoke limiting part, are all made in a hexagonal pyramid form with apex truncated to form a planar surface and including bevel facets so as to provide an anti-sliding effect resulting from geometric constraint and high static friction at both the annular rim-side and the hub-side. The angle of the hexagonal pyramid of the nipple limiting part is 60°, 90°, or 120°, and an optimum arrangement can be made based on the material elongation of the spokes and the desired tension.

Disclosed is an illumination device for use with spoked wheels, such as bicycle wheels, wherein the wheel includes a hub portion, a plurality of spokes, and a rim portion. The illumination device includes a power pack, at least one adaptor body, and at least one attachment portion. The power pack having at least one wire, a flexible button cap, a body housing, and circuit board with a switch. The at least one wire including a plurality of light sources. The at least one attachment portion including a clip portion providing for the installation of the at least one adaptor body to the bicycle spokes. The illumination device also includes a holder for the installation of the power pack to the bicycle wheel. Further, the illumination device may include a tubular body located in the internal cavity of the at least one adaptor body.

A wheel component for bicycles, comprising a straight spoke (10) with a center piece (11) and two end pieces (20, 30) for detachably connecting a hub (108) to a rim (109). At least one of the end pieces (30) comprises a threaded portion (31). The threaded portion (31) is formed integrally with the end piece (20, 30). The spoke is designed without loops and eyelets. The spoke can be supported on a hub (108) and a rim (109) by means of the end pieces (20). The spoke (10) is made of a fiber composite material (2) and comprises a matrix material (3) and reinforcing elements (4) embedded therein. The end pieces (20, 30) are formed integrally with the center piece (11) and each form an end (16, 17) of the spoke (10).At least some of the reinforcing elements (4) are formed as long fibers (5) and extend completely through the central piece (11) and over at least a substantial portion of each of the two end pieces (20, 30). At least one end piece (20, 30) has a cross-sectional area (25, 35) with long fibers (5) embedded therein as reinforcing elements (4) and at least one cross-sectional section (26, 36) without any long fibers (5) embedded therein.

A bicycle wheel comprises a rim including a radially inner portion disposed along an inner circumference of the rim, a first sidewall, and a second sidewall spaced apart from the first sidewall. The first sidewall and the second sidewall extends radially outward from the radially inner portion. A radially outer tire engaging portion is disposed along an outer circumference of the rim. A receptacle is within the radially inner portion. A sensor device comprises a housing disposed within the receptacle such that a portion of the housing forms part of the radially inner portion of the rim and a pressure sensor supported by the housing. An air valve extends through and is supported by the housing. The pressure sensor is fluidly connected to a volume between a first tire retaining portion and a second tire retaining portion of the radially outer tire engaging portion such that the pressure sensor is configured to determine a pressure of a fluid within the volume. The wheel includes a hub attachable to a bicycle frame and a plurality of spokes arranged between the hub and the rim.

The utility model relates to a carbon fiber spoke disc which comprises a disc body made of carbon fiber materials, a mounting hole is formed in the middle of the disc body, the periphery of the disc body is composed of a first carbon fiber sheet and a second carbon fiber sheet, and a mounting space used for embedding spokes is formed between the first carbon fiber sheet and the second carbon fiber sheet. The mounting space comprises first embedding grooves and second embedding grooves, the first embedding grooves and the second embedding grooves are alternately arranged along the circumference of the disc body, and the width b of the second embedding grooves is larger than the width a of the first embedding grooves. The spoke disc is made of carbon fiber materials, the weight of the spoke disc is effectively reduced, and the requirement for light weight of the carbon fiber bicycle is met.

The invention discloses a spoke rim connecting structure, a spoke rim assembling tool, a wheel set and a bicycle. The connecting structure is characterized in that a threaded part is arranged on the side wall of the end of a spoke, and a first rotation stopping part is arranged at the end of the end of the spoke; the wheel rim is provided with a containing cavity, and a nut suitable for being in threaded fit with the threaded part is arranged in the containing cavity. The containing cavity is provided with an opening facing the inner side of the rim to form a mounting hole allowing the spokes to be inserted therein. The nut is in sliding fit with the containing cavity in the axial direction of the nut and is suitable for being in abutting fit with a first limiting wall and a second limiting wall which are arranged in the containing cavity so as to limit the sliding range. The second limiting wall is far away from the mounting hole and is provided with a second rotation stopping part facing the nut; the first rotation stopping part is suitable for being matched with the second rotation stopping part in a rotation stopping mode so as to limit the spoke to rotate in the axial direction of the first rotation stopping part, and after the threaded part is connected to the nut in a threaded mode and before the first rotation stopping part and the second rotation stopping part are matched in a rotation stopping mode, the axial position of the nut in the containing cavity is configured to be suitable for enabling the spoke to be straightened so that the first rotation stopping part can be aligned with the second rotation stopping part. According to the spoke rim connecting structure, the tension of the spokes can be conveniently adjusted, and the stability of the tension adjustment of the spokes can be ensured.

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.

The present disclosure relates to a rim (1) for a bicycle or a vehicle powered at least partially by human muscle, comprising a rim bed component (2) prepared for the radially outer attachment of an inner tube or a tubular tire, and two rim walls (3) projecting radially inwards from the rim bed component (2) and in contact with each other or connected via an additional component offset radially inwards from the rim bed component (2). A rib component (4) is arranged in an interior space spanned by the two rim walls (3) and the rim bed component (2). The rib component (4) divides the interior space completely or at least 90% ± 5% in a bulkhead-like manner. The disclosure also relates to a wheel (9) and a manufacturing method for the wheel (9) according to the dependent claims.

A bicycle wheel comprises a rim and a valve assembly. The rim includes a radially inner wall having an inner opening and a radially outer wall having an outer opening. A first portion of the rim includes a first securing feature (e.g., inner threads). The valve assembly is positioned in the inner opening and outer opening and includes a second securing feature (e.g., outer threads) engaging the first securing feature. The rim can include a plate that defines the first engaging feature. The valve assembly preferably includes a valve stem and a resilient bumper coupled to the valve stem and aligned with a second portion of the rim. The valve assembly can further include a seal member compressed between the valve stem and the rim. Preferably, the seal member is positioned in an annular groove in an underside of an enlarged head of the valve stem.