Abstract: A manually held tool for cutting a polymeric endless power transmission belt body having alternating ribs and grooves; the tool comprising a pair of holding members for holding knife blades, and a handle around the holding members. The holding members are angled to fit within the grooves, and taper from the body to the tip, each end of the members have a different tip thickness and either end may hold a knife blade to fit belt body grooves of different thicknesses and permit cutting through selected grooves to form a plurality of endless belts having at least one rib. The tool is particularly adapted to cut belt bodies in an environment lacking in special machinery so that an operator can hold the body manually while performing the cutting operation.

Abstract: An endless power transmission belt construction and a clip for a transverse belt element therefor as well as methods of making the same are provided, the belt construction comprising an endless flexible carrier that has a longitudinal axis and a plurality of transverse belt elements assembled on the carrier. Each belt element comprises a plurality of parts secured together to define an opening passing transversely therethrough and receiving the carrier therein. One of the parts of each belt element comprises a generally C-shaped clip that in a direction substantially transverse to the longitudinal axis of the carrier snaps over and substantially encircles and holds the remaining parts of the respective belt element in their assembled relation.

Abstract: A belt pulley and method of making the same are provided, the pulley having a hub and a peripheral groove for receiving part of an endless belt therein that is to drive the pulley or be driven thereby whereby the pulley is adapted to be rotated about a longitudinal axis of the hub. The pulley has a pair of opposed facing sides defining at least part of the groove therebetween and has a pair of oppositely facing outboard sides, the sides each having an inner peripheral portion and an outer peripheral portion. The pulley has a plurality of circumferentially spaced apart and radially disposed substantially straight vanes extending outwardly from at least one of the outboard sides thereof.

Abstract: A banded polymeric endless power transmission belt and method of making same are provided wherein such belt comprises a plurality of laterally spaced belt elements and each of the elements has fabric material defining the exposed surface thereof and a tie band interconnecting the elements with the tie band comprising fabric material; and, the fabric material defining the exposed surfaces and the fabric material comprising the tie band is a single piece of fabric material with such single piece of fabric material having a first portion bonded against top surfaces of the elements, a second portion covering the remaining exposed surfaces of the elements, and a third portion overlying the first portion so that the tie band comprises two layers of the single piece of fabric material.

Abstract: An endless power transmission belt construction and a transverse belt element therefor as well as a method of making the same are provided, the belt construction comprising an endless flexible carrier that has a longitudinal axis and a plurality of transverse belt elements assembled on the carrier. Each belt element comprises a plurality of parts secured together to define an opening passing transversely therethrough and receiving the carrier therein. One of the parts of each belt element comprise a generally C-shaped clip that in a direction substantially transverse to the longitudinal axis of the carrier snaps over and substantially encircles and holds the remaining parts of the respective belt element in their assembled relation.

Abstract: An endless traction belt and a method for its manufacture are provided. The traction belt has a main body made primarily of elastomeric material and is adapted to be moved in an endless path having a longitudinal axis. The main body comprises a substantially smooth inner surface and a ground engaging outer surface having a plurality of traction increasing portions or teeth. The teeth also act as sprocket engaging means for driving the belt.

Abstract: A belt construction comprising a tension section, a compression section, a load-carrying section intermediate the tension section and the compression section, and a load-supporting top section secured to the tension section and extending beyond opposed sides of the tension section, the top section and the tension section being formed of the same material and being homogeneously secured together. A fabric covering covers the exterior of the tension, compression and load-carrying sections and is substantially U-shaped in cross section with the free ends of the legs thereof being embedded in the top section. The top section has opposed surfaces one of which has an intermediate portion thereof secured to the tension section and the other of which provides a load supporting surface for the belt construction, the top section having a tire cord reinforcing member disposed intermediate the opposed surfaces thereof.

Abstract: A belt pulley and method of making the same are provided, the pulley having a hub and a peripheral groove for receiving part of an endless belt therein that is to drive the pulley or be driven thereby whereby the pulley is adapted to be rotated about a longitudinal axis of the hub. The pulley has a pair of opposed facing sides defining at least part of the groove therebetween and has a pair of oppositely facing outboard sides, the sides each having an inner peripheral portion and an outer peripheral portion. The pulley has a plurality of circumferentially spaced apart and radially disposed substantially straight vanes extending outwardly from at least one of the outboard sides thereof.

Abstract: A belt construction and method of making the same are provided, the belt construction comprising a tension section having opposed sides and a top surface, a compression section, a load-carrying section intermediate the tension section and the compression section, a fabric covering covering the exterior of the sections, and a load supporting top section secured to the top surface of the tension section and extending beyond the opposed sides of the tension section, the fabric covering being substantially U-shaped in cross section and having the free ends of the legs thereof extending beyond the top surface of the tension section in respective directions substantially the same as the opposed sides of the tension section and being fully embedded in the top section to tend to prevent the free ends from being delaminated from the belt construction.

Abstract: A manual tool for cutting a polymeric endless power transmission belt body and method of cutting employing such a tool are provided wherein the belt body has a plurality of endless V-belt elements fastened in spaced side-by-side relation by a common endless structure to define alternating projections and grooves in the belt body and wherein the tool comprises, a cutting knife for cutting the endless structure to define a plurality of endless belts each having at least one belt element, a support which is adapted to be disposed in a stationary position and has the cutting knife fastened thereon at a fixed location, and means for supporting and guiding the belt body during cutting with the supporting and guiding means being supported on the support and with the knife cooperating with the supporting and guiding means to provide precise cutting through the structure at the base of a particular groove upon moving the belt body relative to the knife with the knife in cutting engagement with the structure.

Abstract: A manual tool for cutting a polymeric endless power transmission belt body is provided wherein the belt body has a plurality of endless V-belt elements fastened in spaced side-by-side relation by a common endless structure to define alternating projections and grooves in the belt body and wherein the tool comprises, a cutting knife for cutting the endless structure to define a plurality of endless belts each having at least one belt element, a support which is adapted to be disposed in a stationary position and has the cutting knife fastened thereon at a fixed location, and apparatus for supporting and guiding the belt body during cutting with the supporting and guiding apparatus being supported on the support and with the knife cooperating with the supporting and guiding apparatus to provide precise cutting through the structure at the base of a particular groove upon moving the belt body relative to the knife with the knife in cutting engagement with the structure.

Abstract: A self orienting power transmission belt is provided which has a round cross-section and a triangular core. The belt is constructed by wrapping a rubberized fabric about a triangular core comprising a plurality of longitudinally extending load-carrying members embedded in a rubber compound, and curing the resulting wrapped core in a curing mold having a round cross-section. This belt is particularly useful in a multi-planar drive system.

Abstract: An endless power transmission belt is provided which comprises a first portion defining the bottom surface of the belt and comprising a plurality of laterally spaced power transmitting ribs and a groove between each adjacent rib, a second portion bonded to the first portion and acting as a tie band therefor and for the third portion which defines the top surface of the belt and also comprises a plurality of laterally spaced power transmitting ribs and a groove between each adjacent rib. The third portion is symmetrical with the first portion and the grooves in each portion provide a relief area between the ribs to allow debris to work through the tie band and become discharged.

Abstract: A self orienting power transmission belt is provided which has a round cross-section and a triangular core. The belt is constructed by wrapping a rubberized fabric about a triangular core comprising a plurality of longitudinally extending load-carrying members embedded in a rubber compound, and curing the resulting wrapped core in a curing mold having a round cross-section. This belt is particularly useful in a multi-planar drive system.

Abstract: A combination hay conveying belt and working element is provided which comprises a belt made primarily of elastomeric material and having an inner compression section, a load-carrying section and an outer tension section, the tension section having grooves disposed transverse to the endless path of the belt, and a working element attached exteriorly to the belt within each groove by means substantially conforming to at least a portion of the groove. Also provided is a hay or vegetation gathering apparatus which employs at least one of the above belts in combination with the working elements so that the belts travel parallel to the ground and the working elements extend perpendicular to the ground.

Abstract: An endless power transmission belt made primarily of elastomeric material is provided which comprises a plurality of laterally spaced belt elements and a tie band interconnecting the radially outer surfaces of the belt elements wherein the tie band comprises a plurality of cooperating layers, one of these layers being bonded to the radially outer surfaces of the belt elements and comprising a fiber-loaded elastomeric matrix, and another of the cooperating layers comprising a fabric layer. The groove between adjacent belt elements extends into the fiber-loaded matrix layer of the tie band. Also provided is a method for making this belt.