Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7036893 | Rubber crawler and its manufacture method The object of the invention is to provide a rubber crawler which has an excellent driving performance without rubber breakage and a process for manufacturing the same. The object is attained by firstly obtaining a small bending rigidity of a joint part and eliminati... | 05/02/2006 |
| 6827660 | Endless power transmission belt This invention provides an improved power transmission belt which has a relatively thick rubber backing layer for improved interface with associated pulleys and improved wear resistance. The belt also has an aramid, glass, or other high modulus relatively inextensib... | 12/07/2004 |
| 6161684 | Herringbone conveyor belt A flexible conveyor belt having layers of oppositely extending cord members which abut each other at the lateral centerline of the conveyor belt. The angle of the cord members in each successive layer may be opposed to that of the previous layer. The conv... | 12/19/2000 |
| 6132328 | Load carrying cord and power transmission belt incorporating the load carrying cord A load carrying cord for a power transmission belt. The load carrying cord has a plurality of strands made up of fiber filaments of ethylene-2,6-naphthalate. Each strand has a denier of 500 to 1500. The fiber filaments in each strand are first-twisted in ... | 10/17/2000 |
| 5858147 | Method of making a reinforcing fabric for power transmission belts A method of making a reinforcing fabric having wide angles between the warp yarns and the weft yarns by helically folding on itself a strip of fabric which has been skewed such that the angle between the warp yarns and the weft yarns is from 100°... | 01/12/1999 |
| 5575729 | Elastomeric drive belt carcass and belt with same A carcass for an elastomeric drive belt having at least one layer of wire reinforcement made up of two cables spirally wound on each side of a mid-circumferential plane, one in the S direction and the other in the Z direction.... | 11/19/1996 |
| 5536554 | Reinforcing fabric for power transmission belts A reinforcing fabric for reinforcing power transmission belts is comprised of a first fibrous web having minimal warp yarns and filler yarns oriented at a desired right lead. A second fibrous web is provided which has minimal warp yarns and filler yarns o... | 07/16/1996 |
| 4990125 | Flat belt, belt drive, and method A flat type power transmission belt with an embedded tensile member of first and second plies of yarns where a first layer of yarns is disposed at a first helical angle and a second layer of yarns is disposed at an opposite helical angle. A method for mak... | 02/05/1991 |
| 4734086 | Endless power transmission belt structure A trapezoidal endless power transmission belt structure is provided which is made primarily of elastomeric material and has a pair of oppositely arranged surfaces disposed in spaced relation to define an outside and inside surface of the belt structure an... | 03/29/1988 |
| 4721498 | Endless elastomeric drive belt An endless elastomeric or rubber drive belt includes a body having a mid-circumferential plane and first, second and third ply portions of reinforcement therein. The first ply portion has first cable means oriented substantially parallel to the mid-circum... | 01/26/1988 |
| 4710155 | Belt This belt is used as power transmission belt, timing belt and transportation belt. It has a tension section, a compression section and a load carrier layer disposed between said two sections. The load carrier of the load carrier layer is composed of polye... | 12/01/1987 |
| 4534750 | Automotive V-belt An automotive V-belt used for power transmission to drive accessory units to an automotive internal combustion engine. Surface smoothing agent such as wax is dispersed in the inner material of the belt for reducing attachment of dust to the belt surface.... | 08/13/1985 |
| 4457743 | Power transmission belt A power transmission belt which is substantially V-shaped in cross-section has insert members which are resistant to transverse compression embedded in an elastomeric or plastomeric body. Protective layers of elastomer or plastomer having oriented fibers ... | 07/03/1984 |
| 4449959 | Cross grooved banded drive belt A cross-grooved banded drive belt wherein a plurality of V-belt elements are retained in laterally spaced relationship by a tie band. The V-belt elements are provided with transverse grooves which, in the illustrated embodiment, are aligned across the bel... | 05/22/1984 |
| 4434019 | Method of making a polymeric strip and a power transmission belt A strip of material adapted for use in a power transmission belt construction, method of making such strip, and belt construction and method of making same employing the strip are provided wherein such strip comprises an uncured polymeric matrix material ... | 02/28/1984 |
| 4432744 | Power transmission belt A power transmission belt (10,21) of improved manufacture wherein a novel reinforcing fabric (4,14) is provided in the inner portion of the compression section (3,13) of the belt. The fabric is formed of yarns (20) having a low coefficient of thermal cont... | 02/21/1984 |
| 4342809 | High-friction, low-elasticity drive belt for tape cartridges Drive belts for tape cartridges featuring a base belt of low coefficient of elasticity with an elastomeric coating having a high coefficient of friction. Three examples of such belts are: (1) polyimide or polyester film base belts with a thin elastomeric ... | 08/03/1982 |
| 4305713 | Endless power transmission belt An endless power transmission belt comprising a plurality of V-belt parts spaced laterally apart from one another and tie band having an improved structure and connecting the V-belt parts together. The V-belt part and the tie band are essentially made of ... | 12/15/1981 |
| 4299587 | V-Belt A raw edge type rubber V-belt having a tension section, a compression section and a tensile member layer extending in the longitudinal direction of the belt and embedded between the tension section and the compression section. A single or plural plies of ... | 11/10/1981 |
| 4296640 | Power transmission V-belt and method of manufacture A power transmission V-belt having a tensile member (11) arranged in the form of a layer along the center line of the belt and first and second elastic rubber layers (14), (13), formed on opposite surfaces of the layer. The modulus of elasticity of the se... | 10/27/1981 |
| 4255147 | Wrapped-molded V-belt and method of manufacture A wrapped, molded belt, and a method for making the same, are provided wherein the belt has a cover made from cord fabric. The angle of the strength cords of the cord fabric is different from the angle of the cords on the sides of the belt. The belt is pr... | 03/10/1981 |
| 4253836 | Mobius belt and method of making the same Endless power transmission belts of spliceless, Mobius strip construction comprising a continuous strength member embedded in an elastomeric material, together with methods for the manufacture of such belts, are provided.... | 03/03/1981 |
| 4188832 | Endless power transmission belt An endless power transmission belt and method of making same are provided wherein such belt has a tension section, a load-carrying section, a toothed compression section defined by alternating projections and recesses, and a crack-barrier layer disposed b... | 02/19/1980 |
| 4177686 | Endless power transmission belt An endless power transmission belt having a compression section, a load-carrying section and a tension section comprising a plurality of transverse corrugations molded therein to provide a cool running belt.... | 12/11/1979 |
| 4177688 | Endless power transmission belt and method for making same 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 compri... | 12/11/1979 |
| 4169393 | Endless power transmission belt, method of making same, and drive system using same An endless power transmission belt, method of making same, and drive system using same are provided wherein such belt has a portion which has a plurality of spaced belt elements defined by alternating projections and recesses and a triaxial fabric bonded ... | 10/02/1979 |
| 4131030 | Covering for power transmission belt An endless power transmission belt having a trapezoidal cross-section comprising a belt body, two cord fabric cover layers, and a layer of woven fabric located between said belt body and said cord fabric cover layers; said cord fabric comprising strength ... | 12/26/1978 |
| 4083261 | Endless power transmission belt An endless power transmission belt is provided and comprises a tension section, a compression section, and a load-carrying means bonded between the sections with at least one of the sections having at least one laminated layer and with the laminated layer... | 04/11/1978 |
| 4022071 | Steel cord belt reinforced transmission belt A V-belt for transmitting power has one or more flexible internal steel cord belts incorporated therein together with conventional textile reinforcing means. The steel cord belt reinforcement is in a plane parallel to the inner and outer parallel faces of... | 05/10/1977 |
| 4011766 | Endless power transmission belt An endless power transmission belt made primarily of elastomeric materials is provided and comprises a plurality of laterally spaced belt elements which are interconnected by a tie band with the belt elements each having a tension section, a load-carrying... | 03/15/1977 |
| 3987684 | Endless power transmission belt structure A trapezoidal endless power transmission belt structure is provided which is made primarily of elastomeric material and has a pair of oppositely arranged surfaces disposed in spaced relation to define an outside and inside surface of the belt structure an... | 10/26/1976 |
| 3941005 | Power transmission belt A center cord line V-belt having a longitudinally extending load-carrying tensile section of cord interpositioned between first and second layers with substantially the same fabrication construction which includes at least two plies of bias fabric dispose... | 03/02/1976 |
