B60C7/20

Non-Pneumatic Tire and Method of Manufacture Thereof
20210260921 · 2021-08-26 ·

A non-pneumatic tire is provided. The non-pneumatic tire includes an outer annular portion, an inner annular portion, and a load bearing ring positioned between the outer annular portion and the inner annular portion, the load bearing ring including an inner layer of matrix material, an outer layer of matrix material, and a wave shaped spring positioned between the inner layer of matrix material and the outer layer of matrix material.

NON-PNEUMATIC TIRE
20210138836 · 2021-05-13 · ·

A non-pneumatic tire (1) includes three or more tubular bodies (2) and a plurality of elastically deformable connecting members (3) interconnecting the tubular bodies (2) and disposed along a tire circumferential direction in each annular space (9) provided between the tubular bodies (2) adjacent to each other in a tire radial direction. The tubular bodies (2) are provided with an inner tube (6) positioned on an innermost side in the tire radial direction and attached to an axle, an outer tube (4) positioned on an outermost side in the tire radial direction, and an elastically deformable intermediate tube (8) positioned between the inner tube (6) and the outer tube (4). The connecting member (3) is provided with a pair of connecting plates (21 and 22) having both end portions in the tire radial direction directly connected to the tubular body (2) and extending in the tire radial direction and separated in the tire circumferential direction from an outside toward an inside in the tire radial direction. A position (P1) of connection to the pair of connecting plates (21 and 22) connected to the intermediate tube (8) from the outside in the tire radial direction and a position (P2) of connection to the pair of connecting plates (21 and 22) connected to the intermediate tube (8) from the inside in the tire radial direction are shifted in the tire circumferential direction in the intermediate tube (8).

MODULAR NON-PNEUMATIC SUPPORT STRUCTURE
20210122190 · 2021-04-29 ·

A tire for a mobile vehicle includes an outer flexible ring mounted to an inner central rim and a spoke structure extending radially between the inner central rim and the outer flexible ring. The spoke structure is constructed from a plurality of elements disposed side-by-side such that the elements extend circumferentially around the perimeter of the inner central rim and radially inside the outer flexible ring. The spoke structure further defines a plurality of triangular openings disposed between the outer flexible ring, a first element of the plurality of elements and a second element of the plurality of elements. The first element is circumferentially adjacent the second element.

RUN-FLAT TIRE
20210094364 · 2021-04-01 ·

A run-flat tire includes a tire casing and a steel rim connected to an opening side of the tire casing to form a cavity, wherein a shock absorbing elastic component is provided along a radial direction in the cavity, one end of the shock absorbing elastic component is connected to the tire casing, and a gap is provided between another end of the shock absorbing elastic component and an outer wall of the steel rim. Specifically, a first annular shock absorbing cushion is provided along a circumferential direction inside the cavity, one end of the shock absorbing elastic component is fixed on the tire casing, and another end of the shock absorbing elastic component is fixed on the first annular shock absorbing cushion; a second annular shock absorbing cushion is provided along the circumferential direction on the outer wall of the steel rim.

OMNIDIRECTIONAL WHEEL AND THREE-WHEELED VEHICLE USING THE SAME
20210114404 · 2021-04-22 ·

An omnidirectional wheel and a three-wheeled vehicle using the same are provided. The omnidirectional wheel includes a tire that is formed in the shape of an open torus having an open portion and a main rotation unit that is connected to the tire to rotate the tire about a main rotation axis passing through the center of an inner opening formed in a circular hole shape by the tire. A circumferential rotation unit connects opposite ends of the tire that form the open portion therebetween and rotates the tire about a circumferential axis formed in a circumferential direction of the tire to move the tire in a direction parallel to the main rotation axis.

OMNIDIRECTIONAL WHEEL AND THREE-WHEELED VEHICLE USING THE SAME
20210114404 · 2021-04-22 ·

An omnidirectional wheel and a three-wheeled vehicle using the same are provided. The omnidirectional wheel includes a tire that is formed in the shape of an open torus having an open portion and a main rotation unit that is connected to the tire to rotate the tire about a main rotation axis passing through the center of an inner opening formed in a circular hole shape by the tire. A circumferential rotation unit connects opposite ends of the tire that form the open portion therebetween and rotates the tire about a circumferential axis formed in a circumferential direction of the tire to move the tire in a direction parallel to the main rotation axis.

Non-Pneumatic Tire With Multi-Piece Web
20210001668 · 2021-01-07 ·

A non-pneumatic tire includes a plurality of axially adjacent wheel portions. Each wheel portion has an inner ring, an outer ring, and a flexible, interconnected web extending between the inner ring and the outer ring. The flexible, interconnected web includes a plurality of web sectors disposed circumferentially about the tire to form a generally annular web. Each of the plurality of web sectors is hingedly connected to a pair of oppositely adjacent web sectors.

REINFORCED ANNULAR SUPPORT FOR A TIRE
20200376890 · 2020-12-03 ·

A non-pneumatic tire (100) having a pair of opposing annular support structures (102, 104) that extend circumferentially around the tire. Each support structure (102, 104) includes a radially-inner joint (120), a radially-outer joint (122), and a pair of support legs (132, 134) connected with a central joint portion (148). An annular band connects with the support structures (102, 104).

Airless tire manufacturing method

A method of manufacturing an airless tire including a spoke unit includes a first step of injection-molding a first spoke part, a second spoke part, a third spoke part and a fourth spoke part in a disc-like shape. The method further includes a second step of forming a first spoke by fusing the first spoke part and the second spoke part. The method further includes a third step of forming a second spoke by fusing the third spoke part and the fourth spoke part, and a fourth step of forming the spoke unit by fusing the first spoke and the second spoke.

Airless tire manufacturing method

A method of manufacturing an airless tire including a spoke unit includes a first step of injection-molding a first spoke part, a second spoke part, a third spoke part and a fourth spoke part in a disc-like shape. The method further includes a second step of forming a first spoke by fusing the first spoke part and the second spoke part. The method further includes a third step of forming a second spoke by fusing the third spoke part and the fourth spoke part, and a fourth step of forming the spoke unit by fusing the first spoke and the second spoke.