A method of assembling a wheel rotatable about a main axis and having a plurality of peripheral rollers mounted on peripheral axles aligned tangentially about the wheel and radially spaced from the main axis, each peripheral axle joined to adjacent other peripheral axles to form a continuous ring co
A method of assembling a wheel rotatable about a main axis and having a plurality of peripheral rollers mounted on peripheral axles aligned tangentially about the wheel and radially spaced from the main axis, each peripheral axle joined to adjacent other peripheral axles to form a continuous ring comprising the peripheral axles, the method including the steps of: molding each peripheral axle in a die having a cylindrical cycle for forming the axle shaft of the peripheral axle without longitudinal separation tines, the peripheral axles each having a receiving head portion for receiving a free end of the axle shaft of an adjacent peripheral axle; mounting a roller on each axle shaft; joining the peripheral axles together to form a continuous ring of peripheral axles; and molding a wheel body including a support structure around the continuous ring.
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1. A peripheral axle adapted tangentially about a wheel rotatable about a main axis and radially spaced from the main axis, the wheel having a plurality of peripheral rollers mounted on a plurality of peripheral axles, the peripheral axle comprising: an axle shaft; anda head portion comprising a cor
1. A peripheral axle adapted tangentially about a wheel rotatable about a main axis and radially spaced from the main axis, the wheel having a plurality of peripheral rollers mounted on a plurality of peripheral axles, the peripheral axle comprising: an axle shaft; anda head portion comprising a corner portion setting an angle for the head portion relative to the axle shaft, the head portion adapted to engage an axle shaft of an adjacent peripheral axle of the plurality of peripheral axles, wherein the head portion of the peripheral axle is separately formed apart from a head portion of the adjacent peripheral axle,wherein said peripheral axle is adapted to form a continuous axle ring with the plurality of peripheral axles. 2. The peripheral axle of claim 1, wherein said peripheral axle comprises no mold parting lines extending longitudinally along the axle shaft. 3. The peripheral axle of claim 1, wherein all or part of the length of the axle shaft is cylindrical in shape. 4. The peripheral axle of claim 3, wherein a mold separation line extends laterally on said axle shaft, not longitudinally. 5. The peripheral axle of claim 3, wherein the head portion is sized and configured to receive a free end of an axle shaft of an adjacent peripheral axle of the plurality peripheral axles in the continuous axle ring. 6. The peripheral axle of claim 5, wherein said head portion defines a short bore to receive said free end. 7. The peripheral axle of claim 6, wherein the respective axes of said short bore of the head portion of said peripheral axle and the axle shaft of the adjacent peripheral axle of the plurality of peripheral axles are coaxial. 8. The peripheral axle of claim 6, wherein the respective axes of the short bore of the head portion of the peripheral axle and the axle shaft are set at an angle theta determined by the algorithm 180-360/n, where n equals the number of peripheral rollers lying in a single plane on said continuous ring. 9. The peripheral axle of claim 6, wherein the short bore is defined in a cylindrical body of the head portion extending between a mouth to receive the free end and a shoulder aligned coaxially with the axle shaft. 10. The peripheral axle of claim 9, wherein the axle shaft comprises an elongate, uniformly cylindrical axle stepped down in diameter relative to the shoulder. 11. The peripheral axle of claim 10, wherein the shoulder is an annular shoulder and is adapted to provide an annular retaining wall for trapping one end of one roller of the plurality of rollers. 12. The peripheral axle of claim 11, wherein a bush is retained on the axle shaft by the mouth, and by a step defined by the shoulder. 13. The peripheral axle of claim 12, wherein the bush is mounted on the axle shaft as a sleeve and inserted into a central longitudinal bore in one of the plurality of peripheral rollers. 14. The peripheral axle of claim 13, wherein one end of the one of the plurality of peripheral rollers has an opening that at least partially receives the shoulder. 15. The peripheral axle of claim 14, wherein the opening is marginally greater in diameter than the shoulder to minimize friction as the peripheral roller rotates. 16. The peripheral axle of claim 6, wherein the corner portion includes two projections extending either side of the corner portion that are bridged to each other in an elbow of the corner portion. 17. The peripheral axle of claim 1, wherein the peripheral axle is configured to be identical to each peripheral axle of the plurality of peripheral axles. 18. A wheel comprising: a plurality of peripheral axles forming a continuous axle ring, each comprising the peripheral axle of claim 1; anda wheel body comprising: a hub defining a main axle bore rotatable about the main axis; anda plurality of supports on or in which said head portions are mounted and extending outwardly from the hub. 19. The wheel of claim 18, wherein said wheel body is separately formed apart from the plurality of peripheral axles and molded over the head portions of each of the plurality of peripheral axles. 20. The wheel of claim 18, wherein the wheel body includes a central hub to be rotatably mounted on a main axle of the wheel. 21. The wheel of claim 18, wherein the supports include an outwardly extending arm that supports the head portion in spaced relationship to the main axis. 22. The wheel of claim 18, wherein the corner portion includes a protrusion that strengthens the joint between the head portion and the wheel body. 23. The wheel of claim 22, wherein the protrusion comprises a pair of protrusions joined by a bridge. 24. The wheel of claim 18, wherein the head portion of the peripheral axel includes a mouth defining the short bore, the mouth forming an annular shoulder on the axle shaft to trap a corresponding roller of the plurality of peripheral rollers on the axle shaft between the head portion and the mouth. 25. The wheel of claim 24, wherein the mouth defines a cylindrical cavity with a mouth wall having no longitudinal separation lines thereon. 26. A method of assembling a wheel with a plurality of peripheral axles, each comprising the peripheral axle of claim 1, said method including the steps of: molding each said peripheral axle in a die having a cylindrical cavity for forming the axle shaft of said peripheral axle without longitudinal separation lines, said peripheral axles each having one of said head portions for receiving a free end of said axle shaft of an adjacent other one of the peripheral axles;mounting a roller on each said axle shaft;joining said peripheral axles together to form a continuous ring of said peripheral axles; andmolding a wheel body including a support structure around said continuous ring. 27. A peripheral axle forming part of a wheel rotatable about a main axis and having a plurality of peripheral rollers mounted on a corresponding plurality of peripheral axles aligned tangentially about the wheel and radially spaced from the main axis, the peripheral axle being one of the plurality of peripheral axles and comprising: a head portion engageable to an axle shaft of an adjacent peripheral axle of the plurality of peripheral axles, the head portion of the peripheral axle being separate from a head portion of the adjacent peripheral axle and separate from a wheel body of the wheel comprising a central hub of the wheel.
Covert Darrell E. (Uniontown OH) Maxwell Paul B. (Akron OH) Miller Frederick W. (Akron OH) Galante Richard L. (Akron OH) Kolowski Michael A. (Mogadore OH) Hopkins William M. (Hudson OH) Scarpitti Ant, Asymmetric tire.
Nummelin Leena (Kaarina FIX) Eriksson Hannu (Sauvo FIX) Hiekkanen Erkki (Turku FIX) Nieminen Jorma (Karstula FIX), Multidirectional conveyor construction.
Griffin Ronald (17614 Lahey St. Agua Dulce CA) Allard Eric J. (17614 Lahey St. Granada Hills CA 91344), Robot transport platform with multi-directional wheels.
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