Chambered Patents (Class 152/325)
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Patent number: 12257862Abstract: A tire for two-wheeled motorized vehicle having tread connected by sidewalls to beads, each having circumferential reinforcing bead wire, each contacting a rim on which the tire is mounted, the tire has an indicator system of a plurality of cavities formed on tread surface, each cavity having maximum depth less than 1 mm and average width of less than 3 mm, and arranged in a plurality of circumferential sets of cavities) representing different camber angles of the tire, each circumferential set having plurality of cavities arranged in circular arc, wherein two adjacent cavities are spaced along circular arc by circumferential pitch (Pc) between 1 mm and 10 mm, the circumferential sets arranged in specific radial pattern defined by a radial pitch (Pr) corresponding to spacing in radial direction between circular arcs of two adjacent circumferential sets of cavities, the radial pitch (Pr) being between 1 mm and 10 mm.Type: GrantFiled: December 13, 2019Date of Patent: March 25, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventor: Jonathan Lejeune
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Patent number: 11772424Abstract: A tire and wheel assembly includes a non-pneumatic tire and a wheel. The non-pneumatic tire incudes a tread, an inner liner, and a plurality of spokes extending between and coupling the tread to the inner liner. The plurality of spokes have a first width and the inner liner has a second width greater than the first width such that a pair of inner liner flanges extend beyond the plurality of spokes in an axial direction. The wheel includes a rim and the inner liner is configured to be mounted on the rim with the pair of inner liner flanges fastened to the rim such that the non-pneumatic tire is serviceably mounted on the wheel.Type: GrantFiled: June 11, 2020Date of Patent: October 3, 2023Assignee: Ford Global Technologies, LLCInventors: James Brian McGovern, Wesley Grant Morris, Adam Wirth
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Patent number: 10538130Abstract: A non-pneumatic tire includes a band part, including an inner band and an outer band that is separated from the inner band and surrounds an outer peripheral surface of the inner band; and a spoke part, extending in a circumferential direction between the inner band and the outer band, having a circumferential cross section having one or more holes.Type: GrantFiled: July 7, 2017Date of Patent: January 21, 2020Assignees: KUMHO TIRE CO., INC., THE YOKOHAMA RUBBER COMPANY, LTD.Inventors: Kee-Woon Kim, Chul-Woo Kwark, Chang-Jung Park, Gwi-Sung Shin, Soon-Wook Hwang, Michio Shimizu, Jun Matsuda
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Patent number: 10239348Abstract: Provided is a tire including rims, beads each mounted so as to surround each of the rims, a side wall that is connected to the beads, a sub-tread that is formed on top of the side wall and is formed of a material having elasticity so as to have a changing curvature, and plural tread blocks that are arranged on the sub-tread such that the distances between the tread blocks change in accordance with the change in the curvature of the sub-tread.Type: GrantFiled: December 30, 2015Date of Patent: March 26, 2019Assignee: HANKOOK TIRE CO., LTD.Inventors: Yong Ho Cha, Seung Koo Kang, Yoon-Jin Choi, Choong-Kee Song
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Patent number: 10179480Abstract: The semi-hollow pneumatic tire has an axis of revolution and comprises a sole mountable on the periphery of a rotary support, a tread opposite the sole, and two sidewalls each connecting the sole and the tread so as to form together a cover which defines an uninflated chamber inside the pneumatic tire. The tread has a concave profile according to a plane passing through the axis of revolution, and the pneumatic tire comprises two annular ridges which extend, respectively, the two sidewalls in the outer radial direction and which are connected to two opposite ends of the tread, the two annular ridges defining, respectively, two principal directions which intersect at an acute angle so that, when the pneumatic tire comes into contact with soil, by being subjected to a vertical load, the two annular ridges move closer together locally.Type: GrantFiled: April 10, 2014Date of Patent: January 15, 2019Assignee: OTICOInventors: Olivier Phely, Denis Piou
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Patent number: 10112442Abstract: A tire (1) has a rubber tread portion (2) extending in circumferential direction of the tire (1) and being provided for contacting a ground surface and a truss ring (3), contacting and extending along the tread portion (2) for supporting the vehicle on the tread portion (2), made of truss members (4) forming two circumferential chords (5, 6) concentrically positioned with respect to the tread portion (2) and a truss web (7) interconnecting the chords (5, 6), wherein the truss members (4) are made of a rubber material having an E modulus of between 4-18 MPa.Type: GrantFiled: June 20, 2011Date of Patent: October 30, 2018Assignee: Artic Investments S.A.Inventor: Hugo Van De Wiele
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Patent number: 9895933Abstract: A non-pneumatic tire has high durability performance. A non-pneumatic tire is provided with: an annular tread section (2) which comes into contact with the road surface; an annular inner peripheral section (3) which is located on the inside of the tread section (2) in the radial direction of the tire; and a plurality of connection sections (4) which connect the tread section (2) and the inner peripheral section (3). The connection sections (4), the inner surface (2b) of the tread section (2), and/or the outer surface (3a) of the inner peripheral section (3) is provided with a plurality of dimples (5).Type: GrantFiled: January 20, 2014Date of Patent: February 20, 2018Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Makoto Sugiya, Wako Iwamura, Kazuo Asano
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Patent number: 7174936Abstract: A work machine tire includes an annular body of elastomeric material that includes a middle radial region. A plurality of unpressurized cavities are defined by the middle radial region and are distributed in a pattern that includes a first radial band of cavities and a second radial band of cavities. Each cavity of the first radial band of cavities is oriented at a positive angle with respect to a radius therethrough, and each cavity of the second radial band of cavities is oriented at a negative angle with respect to a radius therethrough. A material volume of the middle radial region is more than one and a half times greater than the combined void volume of the plurality of cavities.Type: GrantFiled: June 9, 2004Date of Patent: February 13, 2007Assignee: Caterpillar IncInventors: Dan J. Becker, Sunil I. Mathew, Eugene Y. Grinberg
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Patent number: 6431235Abstract: A non-pneumatic tire and rim whereto the tire is fitted as a wheel assembly that will display ride characteristics that are similar to those of a conventional pneumatic tire. The non-pneumatic tire is preferably formed from a urethane foam in a spin casting process with the formed tire having a dense thread, with a less dense internal mid-section and is least dense at a lower area proximate to the tire inner circumference.Type: GrantFiled: May 11, 2000Date of Patent: August 13, 2002Inventor: Richard A. Steinke
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Patent number: 6116308Abstract: A run-flat tire system comprising a tire and an tire core disposed therein, the tire core being an annular body of an elastic closed-cell material, the radially outside and inside of the tire core each provided with a circumferentially extending groove, the radially inner groove extending radially outwardly beyond a bead core line being drawn between the centers of the bead cores. When the tire is mounted on a standard rim, the radially outer groove forms a radially outer space extending circumferentially of the tire and having a cross sectional area of from 1 to 6% of the total sectional area of the tire cavity, and the radially inner groove forms a radially inner space extending circumferentially of the tire having a cross sectional area Si of from 10 to 25% of the total sectional area S of the tire cavity.Type: GrantFiled: July 29, 1998Date of Patent: September 12, 2000Assignee: Sumitomo Rubber Industries, Ltd.Inventor: Shu Yoshida
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Patent number: 5641365Abstract: A pre-pressurized in-line skate wheel including a hard polyurethane hub having a drop center formed between radially projecting guide flanges formed with axially projecting windows as spaced equidistant thereabout in an annular array. A bladder device includes a plurality of pressurized hollow cross rods nested at their opposite ends in such windows and surmounting on their radially outward sides a pressurized annular tube arranged concentric with the drop center. A soft polyurethane wheel body is formed in such drop center and projects radially outwardly to encapsulate the annular tube and form an elliptical annular tread surface. The method of manufacturing the tire includes blow molding the cross rods and the annular tube and pressurizing them to the desired individual pressures so that the resultant tire will exhibit the combined benefits of polyurethane cushioning and shock absorption associated with compressible gases.Type: GrantFiled: February 2, 1996Date of Patent: June 24, 1997Assignee: The Hyper CorporationInventors: Tom Peterson, Neal Piper
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Patent number: 5499669Abstract: A semi-pneumatic tire having a radially inner wall, first and second side walls, a radially outer wall coupled between the side walls, and a pair of rib members extending radially inwardly from outer wall for generally rigidifying said outer wall under operating loads. The side walls include a radially outer portion and a radially inner portion, the inner portion being thicker and more rigid than the outer portion such that the radially outer wall abuts against the inner portion of the side walls when the outer wall shifts radially inwardly under operating loads.Type: GrantFiled: July 14, 1994Date of Patent: March 19, 1996Assignee: Deere & CompanyInventor: Terry D. Hardesty
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Patent number: 5168910Abstract: A non-pneumatic tire for mounting on a wheel rim having an inner surface with at least one circumferential groove around the entire tire. A plurality of circumferentially and evenly distributed, radially extending spacers separate the groove into multiple evenly distributed and mutually spaced chambers, within which air near atmospheric pressure may flow.Type: GrantFiled: January 8, 1992Date of Patent: December 8, 1992Assignee: Weitai ZhangInventors: Weitai Zhang, Jisan Pu, Liangchen Lei, Youqiong Yang, Janxiong Liu, Jingcheng Mu
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Patent number: 4802519Abstract: A wheel for pallet conveyor systems. A roller bearing is provided with a flange about its perimeter; an elastic tire, with a groove matching the flange, may be snapped onto the bearing.Type: GrantFiled: June 8, 1987Date of Patent: February 7, 1989Assignee: Kendale IndustriesInventor: Richard F. Moranz
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Patent number: 4467852Abstract: A lorry tire which is filled with compressed air during normal operation and which has the necessary stability for continued movement and has adequate running properties even in the case of a loss of air, due to its low height to width ratio, its flat tread curvature and its relatively rigid and thick sidewalls.Type: GrantFiled: September 16, 1982Date of Patent: August 28, 1984Assignee: Bayer AktiengesellschaftInventors: Jakob Ippen, Friedel Stuttgen
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Patent number: 4436128Abstract: A tubeless tire for a bicycle wheel has lips (5) integral with the side walls to form with the beads (3) recesses to house the wheel rim flanges (9). The tire interior is divided into equal sized compartments (12) by partitions (13). Each compartment has a vent (14) on one side only extending through a respective bead centrally between partitions, the vents of adjacent compartments being in opposite beads.Type: GrantFiled: July 29, 1982Date of Patent: March 13, 1984Inventor: Simon P. Pointer
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Patent number: 4362202Abstract: A semi-pneumatic tire body for assembly to the rim of a wheel comprises spaced tread and root portions interconnected with spaced sidewalls to define an annular cavity. An annular load-bearing rib is connected to the root portion and extends radially toward the tread portion to be normally spaced apart from the tread portion in the unloaded state in order to establish communication between the internal chambers of the tire for free gaseous interchange and for free response of the tire to load forces.Type: GrantFiled: March 30, 1981Date of Patent: December 7, 1982Assignee: Sun Metal Products, Inc.Inventor: Martin B. Sacks
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Patent number: 4305444Abstract: A pneumatic tire and rim combination wherein the tire is captivated about the rim and a chamber is defined between the tire and the rim and a portion of the tire extends into the chamber within the carcass of the tire and serves as an annular support structure upon deflation of air within the tire, so that if it collapses, as by a blowout, a vehicle on which it is installed will continue to be supported by the tire as the interiorly extending annular portion of the tire engages the confronting surface of the rim.Type: GrantFiled: March 24, 1980Date of Patent: December 15, 1981Inventor: Ernesto Suris
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Patent number: 4011919Abstract: A vehicle comprising: a) a conventional body with at least 3 pairs of rolls mounted on horizontal axles, which are distributed over the periphery of opposite sides of the body and connected thereto; b) a pair of annular, elastically deformable running tires, each of which encircles all of the rolls at one body's side and suspends them above the ground; c) at least one steerable or revolving wheel, ski and/or float resiliently mounted at another side of the body and d) at least one motor operatively connected to the rolls, tires and/or wheel for driving and braking them.Type: GrantFiled: September 25, 1975Date of Patent: March 15, 1977Inventor: Theodore Oskar Groeger