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US 11,535,498 B2Granted
Fleet and twist tolerant flat belt design
AssigneeLiftwave, Inc.
InventorBlake Sessions
Life of this patent
Estimating the term…
Abstract
Flat belt apparatuses and methods are provided where one or more cords in the flat belt are tensioned or pre-tensioned to extend the service life of the flat belt.
Claims14
A method of manufacturing a flat belt for use within a reeving system containing substantial fleet angles and twisted spans, the method comprising:
- tensioning one or more cords of a plurality of cords being positioned in the flat belt, wherein the plurality of cords comprises one or more inner cords and one or more outer cords, and wherein the one or more inner cords are tensioned more than the one or more outer cords;
- and
- over-molding the plurality of cords, via at least one of extruding and injection molding, with belt jacket material positioned around the plurality of cords so as to form a flat span, wherein over-molding is conducted while retaining the tensioning of the one or more cords.
A method of manufacturing a flat belt for use within a reeving system containing substantial fleet angles and twisted spans, the method comprising:
- heating the flat belt so as to soften a belt jacket of the flat belt, the belt jacket surrounding a plurality of cords positioned in the flat belt;
- applying tension to one or more cords of the plurality of cords, wherein the plurality of cords comprises one or more inner cords and one or more outer cords, and wherein the one or more inner cords are tensioned more than the one or more outer cords;
- and
- retaining the tension applied to the one or more cords until the flat belt is cooled and reformed.
1 more element
A flat belt for use within a reeving system containing substantial fleet angles and twisted spans, the flat belt comprising:
- an over-molded jacket;
- and
- a row of a plurality of cords positioned in the over-molded jacket, wherein the row of the plurality of cords comprises one or more inner cords and one or more outer cords, and wherein the one or more inner cords are tensioned more than the one or more outer cords in the plurality of cords.
Dependencies are inferred from the claim text.