USRE34909E - Wheel for a track laying vehicle - Google Patents
Wheel for a track laying vehicle Download PDFInfo
- Publication number
- USRE34909E USRE34909E US07/807,347 US80734791A USRE34909E US RE34909 E USRE34909 E US RE34909E US 80734791 A US80734791 A US 80734791A US RE34909 E USRE34909 E US RE34909E
- Authority
- US
- United States
- Prior art keywords
- wheel
- rim
- disc
- iadd
- tire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/002—Disc wheels, i.e. wheels with load-supporting disc body characterised by the shape of the disc
- B60B3/005—Disc wheels, i.e. wheels with load-supporting disc body characterised by the shape of the disc in the section adjacent to rim
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/002—Disc wheels, i.e. wheels with load-supporting disc body characterised by the shape of the disc
- B60B3/007—Disc wheels, i.e. wheels with load-supporting disc body characterised by the shape of the disc in the intermediate section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/008—Disc wheels, i.e. wheels with load-supporting disc body by the form of wheel bolt mounting section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/02—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body integral with rim
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/14—Arrangement, location, or adaptation of rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/20—Shaping
- B60B2310/206—Shaping by stamping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/20—Shaping
- B60B2310/212—Shaping by drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/20—Shaping
- B60B2310/228—Shaping by machining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/30—Manufacturing methods joining
- B60B2310/321—Manufacturing methods joining by overmolding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/50—Thermal treatment
- B60B2310/56—Co-curing; Vulcanisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2360/00—Materials; Physical forms thereof
- B60B2360/10—Metallic materials
- B60B2360/102—Steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2360/00—Materials; Physical forms thereof
- B60B2360/50—Rubbers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/10—Reduction of
- B60B2900/111—Weight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/30—Increase in
- B60B2900/321—Lifetime
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/20—Off-Road Vehicles
- B60Y2200/254—Tanks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Definitions
- the present invention relates to wheels for track laying vehicles and, more particularly, to improvements in road wheels for military tanks and other heavy track laying vehicles.
- One type of known track or bogie wheel assembly comprises a dual wheel set in which two wheels, each having a mounting disc or body and a peripheral rim, are mounted back-to-back onto a hub or spindle, and solid elastomeric .[.treads.]. .Iadd.tires .Iaddend.are secured to the outer faces of the dual rims to ride upon the track shoes or cleats.
- the previous art of tank road wheel design and manufacture typically comprised a substantially flat (cylindrical) rim base to which the rubber tire was bonded. Often the axial edges were curved inwardly to reinforce the edges and as a concession to the economic production of such rims. These flat rims were subject to loads imposed by the tire due to the road forces being absorbed. The flat rim, having a small thickness in the direction of the major resultant of the forces and thus a low section modules or beam strength, was subject to high deformation and stresses.
- a further problem in the art arises due to wider rims (axially of the wheel) being used to allow smaller diameter wheels (a function of the carrying capacity of the tires) for greater suspension travel so as to increase mobility over rough terrain. These wider rims accentuate the deflection and thus the required reinforcement for the same.
- Such reinforcement has been accomplished in a variety of ways, including thicker rim stock, rings attached to the interior of the tire rim, and location of the wheel disc near the high deflection point. All of these methods are aimed at reducing the span between support points to thereby lower overall deflection and stresses. They also add weight and cost.
- an object of the present invention to provide an improved road wheel for a track laying vehicle which is constructed to have a more even distribution of imposed loadings to hereby reduce deflection stresses of the wheel and tire, thus lowering overall stresses on the part and allowing either greater life or a reduction in stock thickness and weight for the same life with respect to both the wheel and tire.
- Another object of the present invention is to provide an improved method of manufacturing the aforementioned novel wheel of the invention.
- FIG. 1 is a side elevational view of one embodiment of a tank road wheel constructed in accordance with the present invention as viewed from the hub mounting side of the wheel;
- FIG. 2 is a fragmentary cross sectional view taken on the line 2--2 of FIG. 1;
- FIG. 3 is a fragmentary composite diagrammatic layout view illustrating certain progressive steps in the formation of the wheel of FIGS. 1 and 2 pursuant to one embodiment of the method of the invention
- FIG. 4 is a fragmentary view of the wheel of FIGS. 1 and 2 sectioned as in FIG. 2, but without the tire thereon illustrating its mode of deflection under typical load applications;
- FIG. 5 is a fragmentary side elevational view of another embodiment of a tank road wheel constructed in accordance with the present invention viewed from the hub-mounting side of the wheel;
- FIG. 6 is a radial cross sectional view taken on the line 6--6 of FIG. 5;
- FIG. 7 is a fragmentary view of the wheel of FIGS. 5 and 6, sectioned as in FIG. 6, but without the tire thereon, illustrating its mode of deflection under typical load applications.
- a tank road wheel 20 constructed in accordance with the present invention comprises as one-piece stamped steel disc and rim part 22 including a disc or "backbone" portion 24 having a hub mounting portion 26 provided with a center opening 28 and a circular row of mounting holes 30 for receiving suitable wheel mounting fasteners therethrough for attachment of the wheel to an associated hub or axle spindle.
- Disc portion 24 also has a reversely curved portion 32 extending radially outwardly from mounting portion 26 which merges with a radially extending outer peripheral margin portion 36, which in turn is integrally joined through a right angle bend 38 to a rim portion 40.
- Rim 40 extends generally axially of the wheel away from disc portion 24 and merges through a return bend portion 42 at its outboard edge with an in-turned flange portion 44.
- Road wheel 20 also includes a solid rubber tire 50 bonded to the outer peripheral surface of rim 40 to form a circumferentially continuous tire surface for the wheel.
- Tire 50 has a cylindrical outer periphery which forms a track engaging .Iadd.tread .Iaddend.surface 52, and laterally opposite sloping side surfaces 54 and 56 which preferably are tapered to diverge radially inwardly relative to the wheel center axis 58 to accommodate the difference between the required narrower width of tread face 52 (axially of the wheel) and the preferred wider axial dimension of rim 40.
- the inner peripheral surface 60 of tire 50 exactly matches the exterior contour of the outer surface 62 of rim portion 40, a match up which occurs automatically when tire 50 is molded in situ to rim 40.
- side surface 54 terminated tangentially with the curvature of return bend 42, whereas inboard tire surface 56 is axially offset in an outboard direction to intersect bend 38 so as to be slightly spaced axially outwardly from the plane of the exterior surface of disc margin 36.
- the disc-rim part 22 is preferably manufactured in accordance with the procedure indicated diagrammatically in FIG. 3.
- a flat sheet stock of suitable metal such as SAE 950 HSLA steel modified to meet hardenability requirements and having a minimum thickness of, for example, 0.300", is blanked to form a circular blank of appropriate starting diameter.
- an initial draw stamping operation is performed to work the blank into a perform having the contour indicated at 70 in FIG. 3.
- stamping and ironing operation is performed to reshape preform 70 into the configuration illustrated in phantom at 72 in FIG. 3.
- the upper edge portion 74 of the formed edge flange is machined off or otherwise edge conditioned to provide an edge 75 of uniform height and free of burrs, etc.
- the upright flange portion is bent inwardly to an angle of approximately 45° with the blank axis 58 to thereby tip the flange inwardly to the position shown at 76 in FIG. 3.
- the final rim forming opertion curls flange 76 to the position shown at 78 in FIG. 3 so that the resultant flange 44 will have its final inclination (approximately 55° to axis 58) as shown in FIG. 2.
- the residual stresses in part 22 resulting from the aforementioned drawing and forming operations are intentionally concentrated primarily in the tipped-in flange 44 as well as in the central portion of rim 40, and are beneficial relative to part geometry and design load application inasmuch as they tend to prevent yielding under load.
- the radially extending margin portion 36 is surface hardened to Brinell 287- 461 and to a minimum depth of 0.120", , the hardening method as per MIL-STD-12515 or using interrupted quench after induction hardening, with the part to be 400° F. to 500° F. after quench.
- the forming of the disc-rim part 22 is predesigned to produce a rim section 40 having the shape of an arch as viewed in cross section in FIG. 2.
- This rim arch preferably has a substantially uniform radius of curvature in the plane of the drawing (perpendicular to the radius of curvature of rim section 40 about the axis 58).
- the arch of the rim 40 spans from the outermost edge 38 of the disc portion 24 to the junction of the rim 40 with the return bend 42.
- Rim 40 is thus of convex configuration looking in the direction of the applied load in service. It will thus be understood that the geometry of rim 40 provides the strength of the classic arch, which is one of the strongest architectural forms known to man.
- the arch radius of curvature of rim 40 in the aforementioned axial plane may be substantially equal to the radius of curvature of rim 40 about the wheel axis 58.
- the curvature of rim portion 40 forms a section of a sphere and is thus spheroidal, another elemental structure of great strength.
- Design and structural analysis may require different radii of the arch of the rim 40 versus the outside radius about the wheel axis 58, resulting in a substantially toroidal surface. Nevertheless, if consistent with other design specifications and limitations for a given vehicle, such as overall wheel width and wheel diameter, equal radii of rim curvature and wheel are preferred, i.e., a truly spherical rim geometry.
- toroidal may be defined as spherical plus or minus the reqeuired deviation in rim arch radius from such equality to meet the vehicle wheel envelope specifications.
- This toroidal surface may be optimized to minimize stress concentrations due to imposed loadings, thereby causing the entire surface of the toroid to support those loads, thereby distributing stresses and keeping any maximum stress relatively low. Due to this configuration of rim portion 40, in accordance with the present invention, deflection of the rim portion is kept to a minimum, thus lowering overall stresses in the part which in turn results in either greater life, or a reduction in stock thickness and weight for the same life.
- the aforementioned improvement in uniformity of stress distribution can be seen in the manner in which the disc-rim part 22 deflects under normal service loading as the tank road wheel rolls on its track under the weight of the vehicle loading. Compare the solid line position in the unloaded free state of wheel disc-rim part 22 with the phantom line showing of the part which shows typical part deflection at its maximum rated loading. Note that maximum deflection occurs in the displacement of the in-turned outer edge flange 44. Note also that very little change occurs in the curvature of the rim portion 40 between unloaded and maximum deflection positions.
- rim 40 due to its toroidal section, has the strength to carry the loading out to the outer rim edge 44, which, due to its C-shaped channel section, has a strong section modulus relative to the rim portion 40. Relatively even stress distribution thus results so that the strength of the material is utilized with maximum efficiency.
- FIGS. 1-4 Another feature of the design shown in FIGS. 1-4 is the "reverse backbone" at portion 32.
- This reverse backbone is located at the track lug wear surface-disc interface to provide an open wear surface along disc portion 38. Without this reverse curvature, the wheel would be susceptible to being “notched” as the track guide lugs wore against the disc wear surface. Moreover, it has been found that the provision of the reverse backbone in the disc is not detrimental or significant to the resulting desired reduction in the stress levels in the wheel.
- FIGS. 5, 6, and 7 illustrate another embodiment of a road wheel 100 for a track laying vehicle constructed in accordance with the present invention, with those elements corresponding to like elements in wheel 20 designated by reference numerals with a prime suffix.
- Different wheel design specifications have resulted in a variation of the evolution of the wheel geometry of the present invention while adhering to the aforementioned general principles thereof.
- the wheel 100 of FIGS. 5, 6 and 7 is designed to employ HSLA steel and the dimensional specifications for an armored combat earthmover. It will be seen from viewing these Figures that the toroidal rim concept of the invention is again applied, and weight reduction, which, of course, is desirable, is also obtained.
- wheel 100 again consists of a disc-rim part 102 with a molded rubber tire tread 104 having a cross-sectional contour of the present invention and vulcanized to the outer periphery of the rim.
- Flange 44' has a somewhat smaller inner diameter than that of embodiment 20 due to the different parameters of wheel diameter and loading in this design.
- the embodiment of FIGS. 5 and 6 may be characterized by way of distinction as having a toroidal rim section 40' and the reverse in-turned flange 44' (FIG. 6), preferably having an angle of incidence with the axis 58' of the wheel of 35°.
- Wheel 100 also has a shallower dish portion 106 than that of the previous prior art design geometry, i.e., a larger radius of curvature and less offset axially relative to the mounting hub portion 26' of the disc-rim part 102.
- wheel 100 with the disc-rim part 102 may be formed pursuant to the procedure described previously in conjunction with FIG. 3.
- the maximum stress which might be calculated or expected in the wheel embodiment 100 in the steel portion 102 may be mitigated by the residual forming stresses developed in shaping the part 102 according to the method sequence described previously in conjunction with FIG. 3.
- the resulting work hardening in the part is expected to be sufficient to increase the yield strength so that the stress levels present will not initiate yielding in the material.
- weight savings are obtained in this design, mainly from the change in the disc backbone or dish 24'.
- the presence of the toroidal rim 40' is beneficial in that the same strength could not be maintained without it at the same stock thickness.
- the presence of the toroidal rim contour prevents the rim section from deflecting inwardly radially under load.
- the toroidal rim 40' of wheel 100 cooperates with the cross-sectional contour of the rubber tire .[.tread.]. 104 as shown in FIG. 6 to improve the performance of tire 104 by reducing high shear stresses present at the bonded corners of the .[.tread.].
- tire .[.tread.]. 104 of wheel embodiment 100 is relatively thick radially of the wheel as compared with embodiment 20, thinning of this .[.tread.]. .Iadd.tire .Iaddend.section would provide increased tire life, but not necessarily improve the performance of the metal disc-rim part 102.
- the improved road wheel for a track laying vehicle of the present invention provides several advantages over prior commercial and military road wheels.
- the toroidal support of the tire .[.treads.]. significantly reduces the maximum stress concentrations in the rubber tire, and the toroidal shape of the rim section likewise minimizes maximum stress concentrations and improves the strength to weight ratio of the metal part of the wheel. Overall reduction in weight or an improvement in strength to weight ratio is thus obtained by the present invention in a very economical fashion.
- the present invention is particularly designed and adapted for use with military-type armored or heavy track laying vehicles, it should be understood that the invention may be used with other types of crawler vehicles, such as those utilized in earth moving operations.
- wheel embodiment 20 is made to the following specifications:
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Tires In General (AREA)
Abstract
Description
______________________________________ Embodiment Specifications ______________________________________ Overall wheel diameter 25.00" Radius of rim 40 measured to its 11.81" outer surface apex Radius of curvature of toroidal rim section 11.12" 40 in the axial plane of the drawing Angle of flange 44 relative to axis 58 55° of the wheel Minimum radial thickness of .[.tread.]. .Iadd.tire.Iaddend. 50 .94" Maximum axial dimension of .[.tread.]. .Iadd.tire.Iaddend. 50 6.81" Axial dimension of flat .Iadd.tread.Iaddend. surface 52 5.73" .[.tread.]. .Iadd.tire.Iaddend. 50 Composition of tread 50 per MIL-W-3100 or equivalent ______________________________________
Claims (22)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/807,347 USRE34909E (en) | 1986-05-30 | 1991-12-16 | Wheel for a track laying vehicle |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86938886A | 1986-05-30 | 1986-05-30 | |
US07/407,274 US4950030A (en) | 1986-05-30 | 1989-09-14 | Wheel for a track laying vehicle |
US07/807,347 USRE34909E (en) | 1986-05-30 | 1991-12-16 | Wheel for a track laying vehicle |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US86938886A Continuation | 1986-05-30 | 1986-05-30 | |
US07/407,274 Reissue US4950030A (en) | 1986-05-30 | 1989-09-14 | Wheel for a track laying vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE34909E true USRE34909E (en) | 1995-04-18 |
Family
ID=27019830
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/407,274 Ceased US4950030A (en) | 1986-05-30 | 1989-09-14 | Wheel for a track laying vehicle |
US07/807,347 Expired - Lifetime USRE34909E (en) | 1986-05-30 | 1991-12-16 | Wheel for a track laying vehicle |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/407,274 Ceased US4950030A (en) | 1986-05-30 | 1989-09-14 | Wheel for a track laying vehicle |
Country Status (1)
Country | Link |
---|---|
US (2) | US4950030A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5829849A (en) * | 1996-11-27 | 1998-11-03 | Caterpillar Inc. | Undercarriage assembly for attack-type machine |
US6206492B1 (en) | 1999-07-20 | 2001-03-27 | Caterpillar Inc. | Mid-roller for endless track laying work machine |
US6299264B1 (en) | 1999-01-27 | 2001-10-09 | Caterpillar Inc. | Heat shielded mid-roller |
US20050035655A1 (en) * | 2003-08-13 | 2005-02-17 | Clark Equipment Company | Track with offset drive lugs and drive wheel therefore |
US20150314817A1 (en) * | 2014-04-01 | 2015-11-05 | Hutchinson Sa | Road Wheel |
US9321312B2 (en) | 2013-12-24 | 2016-04-26 | Bridgestone Americas, Inc. | Airless tire construction having variable stiffness |
USD762140S1 (en) * | 2010-12-16 | 2016-07-26 | Gse Technologies, Llc | Tracked vehicle wheel |
US9919568B2 (en) | 2013-09-24 | 2018-03-20 | Bridgestone Americas Tire Operations, Llc | Tire with toroidal element |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6086169A (en) * | 1998-11-19 | 2000-07-11 | Caterpillar Inc. | Midwheel assembly for a track type tractor |
US6698480B1 (en) * | 2002-11-08 | 2004-03-02 | Maurice H. Cornellier | Non-pneumatic tire and wheel system |
WO2018005741A1 (en) * | 2016-07-01 | 2018-01-04 | Frederick Taylor | Wheel for industrial vehicle |
US11850885B2 (en) | 2016-07-01 | 2023-12-26 | Fredrick Taylor | Wheel for industrial vehicle |
US10227100B2 (en) | 2016-09-15 | 2019-03-12 | Cnh Industrial America Llc | Wheel designs for use within a track assembly of a work vehicle |
US20210394838A1 (en) * | 2018-11-13 | 2021-12-23 | Agco Corporation | Segmented wheel |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR364323A (en) * | 1906-03-17 | 1906-08-21 | Louis Pilla | Flexible wheel for automobiles and other vehicles |
FR367529A (en) * | 1906-06-13 | 1906-10-31 | Gedeon Louis Leurson | Elastic wheel system |
US2984524A (en) * | 1957-04-15 | 1961-05-16 | Kelsey Hayes Co | Road wheel with vulcanized wear ring |
US3013843A (en) * | 1960-03-11 | 1961-12-19 | Gen Motors Corp | Vehicle suspension |
US3263315A (en) * | 1962-10-24 | 1966-08-02 | Reynolds Metals Co | Metal forming system |
FR6143M (en) * | 1966-04-22 | 1968-06-24 | ||
US3997217A (en) * | 1974-05-22 | 1976-12-14 | Le Magnesium Industriel | Machine or vehicle component and reinforcement element |
US4449756A (en) * | 1982-03-09 | 1984-05-22 | Motor Wheel Corporation | Tracked vehicle road wheel |
FR2564040A1 (en) * | 1984-05-09 | 1985-11-15 | Sumitomo Rubber Ind | Rim/tyre structure for lightweight all terrain vehicle and for motorcycle |
EP0199911A2 (en) * | 1985-05-03 | 1986-11-05 | Hoesch Aktiengesellschaft | Roller for tracked vehicles |
US4739810A (en) * | 1985-06-17 | 1988-04-26 | Grumman Aerospace Corporation | Convoluted cone wheel |
US4784201A (en) * | 1986-05-13 | 1988-11-15 | The Uniroyal Goodrich Tire Company | Non-pneumatic tire with vibration reducing features |
-
1989
- 1989-09-14 US US07/407,274 patent/US4950030A/en not_active Ceased
-
1991
- 1991-12-16 US US07/807,347 patent/USRE34909E/en not_active Expired - Lifetime
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR364323A (en) * | 1906-03-17 | 1906-08-21 | Louis Pilla | Flexible wheel for automobiles and other vehicles |
FR367529A (en) * | 1906-06-13 | 1906-10-31 | Gedeon Louis Leurson | Elastic wheel system |
US2984524A (en) * | 1957-04-15 | 1961-05-16 | Kelsey Hayes Co | Road wheel with vulcanized wear ring |
US3013843A (en) * | 1960-03-11 | 1961-12-19 | Gen Motors Corp | Vehicle suspension |
US3263315A (en) * | 1962-10-24 | 1966-08-02 | Reynolds Metals Co | Metal forming system |
FR6143M (en) * | 1966-04-22 | 1968-06-24 | ||
US3997217A (en) * | 1974-05-22 | 1976-12-14 | Le Magnesium Industriel | Machine or vehicle component and reinforcement element |
US4449756A (en) * | 1982-03-09 | 1984-05-22 | Motor Wheel Corporation | Tracked vehicle road wheel |
FR2564040A1 (en) * | 1984-05-09 | 1985-11-15 | Sumitomo Rubber Ind | Rim/tyre structure for lightweight all terrain vehicle and for motorcycle |
EP0199911A2 (en) * | 1985-05-03 | 1986-11-05 | Hoesch Aktiengesellschaft | Roller for tracked vehicles |
US4739810A (en) * | 1985-06-17 | 1988-04-26 | Grumman Aerospace Corporation | Convoluted cone wheel |
US4784201A (en) * | 1986-05-13 | 1988-11-15 | The Uniroyal Goodrich Tire Company | Non-pneumatic tire with vibration reducing features |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5829849A (en) * | 1996-11-27 | 1998-11-03 | Caterpillar Inc. | Undercarriage assembly for attack-type machine |
US6299264B1 (en) | 1999-01-27 | 2001-10-09 | Caterpillar Inc. | Heat shielded mid-roller |
US6206492B1 (en) | 1999-07-20 | 2001-03-27 | Caterpillar Inc. | Mid-roller for endless track laying work machine |
US20050035655A1 (en) * | 2003-08-13 | 2005-02-17 | Clark Equipment Company | Track with offset drive lugs and drive wheel therefore |
USD762140S1 (en) * | 2010-12-16 | 2016-07-26 | Gse Technologies, Llc | Tracked vehicle wheel |
US9919568B2 (en) | 2013-09-24 | 2018-03-20 | Bridgestone Americas Tire Operations, Llc | Tire with toroidal element |
US9321312B2 (en) | 2013-12-24 | 2016-04-26 | Bridgestone Americas, Inc. | Airless tire construction having variable stiffness |
US9440494B2 (en) | 2013-12-24 | 2016-09-13 | Bridgestone Americas Tire Operations, Llc | Airless tire construction having multiple layers |
US9487052B1 (en) | 2013-12-24 | 2016-11-08 | Bridgestone Americas Tire Operations, Inc. | Airless tire construction having multiple layers |
US20150314817A1 (en) * | 2014-04-01 | 2015-11-05 | Hutchinson Sa | Road Wheel |
US9663163B2 (en) * | 2014-04-01 | 2017-05-30 | Hutchinson Sa | Road wheel |
Also Published As
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US4950030A (en) | 1990-08-21 |
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