271results about "High resiliency wheels" patented technology

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle and an outer rim surrounding the inner rim. The wheel assembly may also include gas springs operatively coupled between the inner rim and the outer rim to provide a gas suspension for relative movement between the inner rim and the outer rim. Each of the gas springs may have a controllable gas pressure. The wheel assembly also includes a wheel rotational position sensor, a vehicle operator control input interface, and a controller configured to control the gas pressure in each of the gas springs in a pattern in response to the wheel rotational position sensor and vehicle operator control input interface to assist in one of overcoming a rolling resistance of the wheel and a braking of the wheel.

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.

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle, an outer rim surrounding the inner rim. A rigid cover ring may be coupled to the outer rim and extend radially inward toward the inner rim. Gas springs may be operatively coupled between the inner and outer rims to provide a gas suspension for relative movement between the inner and outer rims. Fastener assemblies fasten the rigid cover ring to the outer rim, fastening each gas spring to the outer rim, or fastening each gas spring to the outer rim. Each fastener assembly may include a fastener and a pair of indicator-lock washers carried by the fastener. Each indicator-lock washer may have respective sloped surfaces slidably engaging one another to permit relative rotation so that loosening from a fully tightened position exposes a gap.

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle, an outer rim surrounding the inner rim, and gas springs operatively coupled between the inner and outer rims to provide a gas suspension for relative movement between the inner and outer rims. The wheel assembly may also include tread assemblies carried by the outer rim. Fastener assemblies may be configured to perform fastening at least one tread assembly to the outer rim, fastening each gas spring to the outer rim, or fastening each gas spring to the outer rim. Each fastener assembly may include a fastener, and a pair of indicator-lock washers carried by the fastener. Each indicator-lock washer may have respective sloped surfaces slidably engaging one another to permit relative rotation so that loosening from a fully tightened position exposes a gap therebetween.

The invention relates to a self-adaptive adjustment intelligent wheel system and a control method thereof, and relates to the technical field of wheels. The magneto-rheological shock absorbers are arranged in the wheels and used for adjusting the overall rigidity damping of the wheels; the signal acquisition assembly comprises acceleration sensors, and each wheel is provided with one acceleration sensor; and the controller is in signal connection with the signal acquisition assembly and the magneto-rheological damper, and changes the magnetic field in the magneto-rheological damper in real time based on signals acquired by the signal acquisition assembly. The influence of the vehicle damping structure on the road surface information acquisition precision is reduced, and the comfort of people in the vehicle in the vehicle driving process can be effectively improved. The acceleration sensors are in one-to-one correspondence with the wheels so that the rigidity damping of the wheels can be adjusted in a targeted mode according to the road condition of each wheel.

A non-pneumatic and method of making a non-pneumatic tire. The non-pneumatic tire includes a lower ring having a first diameter and an upper ring having a second diameter greater than the first diameter. The upper ring is substantially coaxial with the lower ring. A support structure extends between the lower ring and the upper ring. The support structure includes a first face and a second face opposite the first face, a first axial edge and a second axial edge. The first and second axial edges space the first face from the second face. At least one of the first edge and the second edge may have a geometry that provides the support structure with a nonrectangular cross section. At least one of the first face and the second face may have a surface roughness of less than 25 microns. The support structure may be free from orthogonal axial edges.

A non-pneumatic tire includes an annular inner ring, an annular outer ring, and a support structure extending from the annular inner ring to the annular outer ring. The support structure includes a plurality of spokes, webbing, cells, or other open-sided support structure. The tire includes a bump stop. The bump stop includes an inner member radially extending from a radially outer surface of the annular inner ring. The inner member has a radially outer surface facing a radially inner surface of the annular outer ring. The bump stop includes an outer member radially extending from a radially inner surface of the annular outer ring. The outer member has a radially inner surface facing a radially outer surface of the annular inner ring.

A deformable wheel with non-pneumatic load bearing intended to equip a vehicle for rolling under extreme conditions such as those encountered on the moon and on Mars, includes a hub, a laminated annular strip including a plurality of concentric ferrules which are assembled with the interposition of interposing layers each composed of a material whose Young's modulus is 600,000 to 1,000 times lower than that of the ferrules, and a plurality of metal cables. Each cable connects the hub to the laminated strip while being fixed, on the one hand by an external end to the laminated strip, and on the other hand by an internal end to the hub by means of an elastic member making it possible to modulate the radial stiffness of the cables. Each elastic member is associated with an abutment able to limit its deformation.

A spoke (12) for a non-pneumatic tire (10) is provided that has a nose (28) that engages a first panel (16) and a second panel (18). A first foot (20) is carried by the first panel and has a first foot first concave surface (46) and an adhesion deflector (48). A second foot (22) is present and is carried by the second panel. A reinforcement layer (24) engages the first foot first concave surface and the adhesion deflector.

The invention relates to the technical field of tires, in particular to a non-pneumatic tire which comprises a rim, a spoke and a tread, the rim, the spoke and the tread are coaxially arranged, the spoke is arranged between the rim and the tread and comprises an outer buffer layer, an inner buffer layer and an asymmetric spoke assembly, the inner surface of the inner buffer layer is fixedly connected with the outer surface of the rim, and the inner surface of the inner buffer layer is fixedly connected with the outer surface of the rim. The outer surface of the outer buffer layer is fixedly connected with the inner surface of the tread, the asymmetric spoke assembly is arranged between the outer buffer layer and the inner buffer layer, a plurality of first clamping blocks are arranged on the outer surface of the rim, a plurality of first clamping grooves are formed in the inner buffer layer, the first clamping grooves are connected with the first clamping blocks in a clamping mode, and the first clamping blocks extend into the asymmetric spoke assembly. Through the design of the asymmetric spokes, the first clamping blocks are effectively avoided, meanwhile, the stress distribution of the tire is optimized, the performance of the tire is remarkably improved, the tire can be moderately deformed when being impacted, and the impact resistance of the tire is enhanced.

The invention relates to a wheel comprising: an axis of rotation; a hub; a rim; a first spoke; a second spoke, the second spoke comprising: an inner section; an outer section; and an intermediate section; a third spoke, the third spoke comprising: an inner section; an outer section; and an intermediate section wherein the intermediate section of the third spoke and the intermediate section of the second spoke are concave relative to each other when the wheel is not deformed; a first distance defined between a first portion of the inner section of the second spoke and a second portion of the inner section of the third spoke; and a second distance extending between a third portion of the outer section of the second spoke and a fourth portion of the outer section of the third spoke; wherein the first distance is smaller than the second distance; and wherein during a load of the wheel is sufficient to cause deformation of the wheel, when the wheel is deformed by a first amount, the first spoke engages the second spoke such that the engagement resists further deformation of the wheel.

A wheel assembly for a vehicle includes an inner rim (1031) to be coupled to the vehicle, and an outer rim (1033) surrounding the inner rim. The wheel assembly further includes gas springs (1050) operatively coupled between the inner rim and the outer rim to provide relative movement between the inner rim and the outer rim. A ballistic armor cover plate (1080) extends between the outer and inner rim on an outboard side of the wheel assembly to protectively cover the gas springs.

The invention discloses a light-weight wheel and a non-inflatable wheel assembly, and belongs to the technical field of tires, and the light-weight wheel comprises a connecting disc and a plurality of spoke pieces. The spoke pieces with the spoke parts and the supporting parts are evenly distributed on the inner side of the connecting disc in the circumferential direction with the center of the connecting disc as the circle center, the supporting parts are distributed in the circumferential direction to form the rim, the spoke parts are fixed to the connecting disc in the radial direction of the rim in the fan shape, and the supporting strength of the wheel is guaranteed. The first lightening holes are formed in the spoke part, so that the weight of the wheel is reduced, materials are reduced, the spoke piece has the spoke function and can form a rim, and therefore the types of accessories can be reduced, the machining difficulty of the wheel is lowered, and the machining efficiency is improved; therefore, the small-batch development and processing mode of the wheels can be simplified, the research and development cost is reduced, and expensive large-size molds are not needed for large-batch production of the wheels, so that the mold development difficulty, the manufacturing cost and the manufacturing period during large-batch production can be simplified.

The utility model discloses a shock-absorbing device for moving equipment in a broadcast television studio, which relates to the technical field of shock-absorbing devices and particularly comprises an active shock-absorbing structure and a passive shock-absorbing structure, the active shock-absorbing structure is arranged on rollers of a moving device of the equipment in the broadcast television studio, and the passive shock-absorbing structure is arranged on the rollers. The active damping structure comprises a damping ring connected with the outer side wall of a roller of the broadcast television studio equipment moving device, a connecting ring wrapping the outer side wall of the damping ring, a sealing plate movably connected with the connecting ring and an air blower fixedly connected with the sealing plate. According to the shock absorption device for moving the broadcast television studio equipment, through the arrangement of the active shock absorption structure, an air blower can blow outside air into the air injection cavity through a connecting hole overlapped with the air outlet pipe, air in the air injection cavity is sprayed out through the spraying holes, and the air sprayed out of the spraying holes can be blown to the front side of the moving direction of the rolling wheels; and particle impurities on a road in front of the moving direction of the roller are blown away, so that the vibration of the moving device is reduced from the source.

A driving wheel includes: a hub body disposed in a central region of the driving wheel; a plurality of spoke members inserted into the hub body and movable in a radial direction R of the driving wheel relative to the hub body; and link members each having one side coupled to one of the spoke members and the other side coupled to another spoke member disposed adjacent to the spoke member to which the one side of the link member is coupled. In particular, when the spoke members move in the radial direction R, the link members are rotatable about regions coupled to the spoke members.

This utility model discloses a silent, non-marking caster with good cushioning performance. It includes a bracket, which comprises a top plate and two arm plates fixed to the left and right ends of the lower side of the top plate. A mounting plate is rotatably mounted on the upper side of the top plate. A forward-extending arm plate is hinged to the lower end of each of the two arm plates. The rear ends of the two arm plates are fixedly connected by a connecting plate to form a bracket. A roller is rotatably mounted on the inner front end of the two arm plates via a wheel axle assembly. The roller includes a hub and a tire fitted onto the outer circumferential side of the hub. The tire is made of a flexible polymer material. A longitudinal shock-absorbing component is provided between the front end of the arm plate and the front end of the top plate. The caster exhibits excellent shock absorption and cushioning performance during load-bearing movement. During load-bearing movement, the elastic deformation of the tire can mitigate the instantaneous impact of the caster on the ground. The tire can also maintain friction while making flexible contact with the ground, avoiding hard scraping and tire wear. It also provides quiet operation and leaves no marks.

The present teachings generally provide for an overrunable test vehicle for dynamic vehicle testing of advanced driver assistant systems along a driving plane. The overrunable test vehicle comprising a chassis with a first end and a second end and including a mounting area configured to receive a soft target, and defining an axis of rotation transverse to the driving plane between the first end and the second end, four drive mechanisms coupled with the chassis, each drive mechanism having an electric motor with a drive wheel, and a control system coupled with the electric motors, and configured to control speed and torque of each of the electric motors, forming a torque vector that rotates the overrunable test vehicle about the axis of rotation to a target rotation angle. The axis of rotation is a location between the two drive mechanisms that the chassis turns about when the torque vector is applied to the chassis of the overrunable test vehicle.

The non-pneumatic tire includes a lower ring having a first diameter and an upper ring having a second diameter. The upper ring is substantially coaxial with the lower ring. A support structure connects the lower ring to the upper ring. The support structure is composed of a plurality of spokes. The support structure is arranged and configured such that adjacent spokes among the plurality of spokes contact each other when a high-impact event occurs.

To provide a non-pneumatic tire configured so that strength of a connection site between an inner annular part and connection parts is enhanced to improve durability of the connection part, while securing a distance between the connection parts, at the inner annular part side.SOLUTION: A non-pneumatic tire 1 comprises an outer annular part 2 having a tread 5, an inner annular part 3 provided at inside the outer annular part 2, and a connection part 4 provided along a tire circumferential direction D to connect the outer annular part 2 to the inner annular part 3. The connection part 4 is configured so that a first connection part 41 extended from one side Y1 in a tire width direction Y of the outer annular part 2 toward the other side Y2 in the tire width direction Y of the inner annular part 3 and a second connection part 42 extended from the other side Y2 in the tire width direction of the outer annular part 2 toward the one side Y1 in the tire width direction Y of the inner annular part 3 are alternately arranged along the tire circumferential direction D. Thicknesses along the tire circumferential direction D of the connection part 4 are smaller in the inner annular part 3 side than in the outer annular part 2 side, and widths along the tire width direction Y of the connection part 4 are larger in the inner annular part 3 side than in the outer annular part 2 side.SELECTED DRAWING: Figure 2

The utility model relates to the technical field of tires, and discloses a PU tire of a wheelchair, which comprises a contact ring and a support ring positioned on the inner ring of the contact ring, and a buffer channel for buffering is formed between the contact ring and the support ring; the supporting assembly is arranged in the buffering channel and used for supporting the contact ring and the supporting ring, the supporting assembly comprises a plurality of first supporting bodies and a plurality of second supporting bodies, the first supporting bodies and the second supporting bodies are fixedly arranged between the contact ring and the supporting ring, and the first supporting bodies and the second supporting bodies can deform to absorb impact; a buffering channel is formed between a contact ring and a supporting ring, a plurality of deformable first supporting bodies and a plurality of deformable second supporting bodies are arranged in the buffering channel, in the walking process of the contact ring making contact with the ground, the contact ring is extruded, the first supporting bodies and the second supporting bodies can be deformed, and on the basis that strong supporting of the contact ring is guaranteed, the service life of the contact ring is prolonged. Bumping caused by road surface fluctuation can be absorbed through deformation of the first supporting body and the second supporting body, and the riding comfort is higher.

A shock-absorbing wheel, comprising an inner hub, an outer hub and a tread ring (11) sleeved on the outer hub, and further comprising a shock-absorbing ring (12) movably connected between the hubs (13), wherein the shock-absorbing ring (12) is composed of elastic units (121) arranged in a circumferential array, and each elastic unit (121) contains at least one elastic member, which is an arcuate spring (121-1); and shaft holes (131) are provided on the radial surface of the hubs (13), and the arcuate springs pass through the shaft holes (131) and are connected to the hubs (13). The shock-absorbing wheel further comprises pin seats (132), wherein the pin seats (132) are arranged on the side of the hubs (13) facing the shock-absorbing ring (12), and the arcuate springs (121-1) pass through the pin seats (132) and are movably connected to the hubs (13). The arcuate springs are movably connected between the inner hub and the outer hub to replace traditional rigid spokes, thereby overcoming the drawbacks of traditional structures such as increased plastic stress, low load-bearing efficiency, and reduced shock resistance when the steel spokes bend under force.

The invention relates to an airless tire (1) for a vehicle capable of traveling in an extraterrestrial environment at very low temperatures and on a variety of different surfaces. Such an airless tire (1) comprises, in the radial direction from inside to outside, a support structure (2) intended to cooperate with a rim or hub (3), a shear band (4) and a tread (6). According to the invention, at least one constituent material of the support structure (2), the shear band (4) and the tread (6) has a Young's modulus E, measured at a temperature of 20 DEG C, of at least 1 GPa and at most 6 GPa, a Young's modulus E, measured at a temperature of-196 DEG C, of at least 1.2 GPa and at most 9 GPa, a maximum tensile stress Sm, measured at a temperature of 20 DEG C, of at least 25 MPa and at most 150 MPa, and a maximum tensile stress Sm measured at a temperature of-196 DEG C is at least equal to 40 MPa and at most equal to 260 MPa, said mechanical properties being measured according to standard ASTM D638.

The present invention relates to the field of tire technology, and in particular to a non-pneumatic tire comprising a rim, a spoke, and a tread. The rim, spoke, and tread are coaxially arranged, the spoke being disposed between the rim and the tread. The spoke comprises an outer buffer layer, an inner buffer layer, and an asymmetric spoke assembly. The inner surface of the inner buffer layer is fixedly connected to the outer surface of the rim, and the outer surface of the outer buffer layer is fixedly connected to the inner surface of the tread. The asymmetric spoke assembly is disposed between the outer buffer layer and the inner buffer layer. A plurality of first clamping blocks are provided on the outer surface of the rim, and a plurality of first clamping grooves are provided on the inner buffer layer. The first clamping grooves are engaged with the first clamping blocks, and the first clamping blocks extend into the asymmetric spoke assembly. The asymmetric spoke design allows the first clamping blocks to be effectively avoided, while optimizing the force distribution of the tire, significantly improving tire performance. The tire can deform appropriately when subjected to an impact, thereby enhancing the tire's impact resistance.

A wheel device includes: a wheel member; a tire disposed on the outside of the wheel member, the tire comprising an inner layer, an outer layer, and a plurality of hollow pipes disposed between the inner layer and the outer layer, wherein an inner circumferential surface of the inner layer comprises grooves; a plurality of support members each having a circular arc shape; and a plurality of spoke members respectively connecting the wheel member to the plurality of support members. The plurality of spoke members are configured to move the plurality of support members between a first position and a second position. In the first position, each of the support members are disposed in the grooves. In the second position, each of the support members are disposed closer to a central axis of the tire than when the support members are in the first position.

Rim (100) for a vehicle wheel having an axis of rotation (X1-X1) and comprising, as elements of revolution about said axis of rotation (X1-X1), and radially from the inside out, a mounting hub (110) intended to be fixed to the vehicle, two flanges (120) each fixed to the mounting hub (110) and a ferrule (140) fixed to each of the flanges (120). Each flange (120) comprises a frustoconical body (121) of general shape as a hollow frustocone extending axially inside the ferrule (140) and delimited axially by a small diameter end (122) connected to the mounting hub (110) and a large diameter end (123) located on the side opposite the mounting hub (110) and connected to a lateral end (144, 145) of the ferrule (140).The frustoconical body (121) of each flange (120) comprises at least a first series (130) of internal grooves (131) extending axially from the end of the small diameter (122) to the end of the large diameter (123) over a length at least equal to 10% of the length of the generatrix of the frustoconical body (121). Figure for the abbreviation: Fig 2A.

A wheel assembly for a vehicle may include an inner rim to be coupled to the vehicle, and an outer rim surrounding the inner rim. The wheel assembly may also include gas springs operatively coupled between the inner rim and the outer rim to provide relative movement between the inner rim and the outer rim. Attachment assemblies may each include an attachment bracket coupled to a corresponding one of the inner and outer rims and defining spaced apart first and second fastener-receiving tapered wedge passageways, and a fastener extending through the spaced apart first and second fastener-receiving tapered wedge passageways and coupling a corresponding gas spring to the attachment bracket. Each attachment assembly may also include first and second tapered wedges carried by the fastener and engaging the respective first and second fastener-receiving tapered wedge passageways upon securing of the fastener.