Class / Patent application number | Description | Number of patent applications / Date published |
474204000 | Drive surfaces on belt formed in or interconnected by continuous flexible member | 37 |
20110070988 | STEEL ROPE CHAIN FOR POWER TRANSMISSION - A steel rope chain is provided for power transmission, including a plurality of parallel and juxtaposing closed steel ropes to which a plurality of equally-spaced wire rope clips is mounted. The wire rope clips are arranged in a juxtaposed manner and fixed to an elongate thick steel plate to form an array of clip assemblies that secure the steel ropes together. Mating the steel rope chain are a driving wheel and a driven wheel that are selectively made in various forms provided they include spokes having free ends carrying crossbars so that when the driving wheel rotates, the crossbars of the driving wheel are brought into engagement with the clip assemblies to drive movement of the steel rope chain and the steel rope chain in movement brings the clip assemblies into engagement with the crossbars of the driven wheel to cause rotation of the driven wheel. | 03-24-2011 |
20110263367 | POWER TRANSMISSION BELT COMPRISING A COATING TREATMENT OF THE FABRIC AND COATING TREATMENT THEREOF - Described herein is a belt comprising a body made of elastomeric material, embedded in which is a plurality of longitudinal filiform resistant inserts, and a working surface covered with a covering fabric; advantageously the working surface is constituted by a toothing. The covering fabric is treated with a coating treatment. The coating treatment comprises a fluorinated elastomer. Advantageously, the coating treatment moreover comprises an antifriction agent and an elastomer formed by at least one copolymer obtained starting from a diene monomer and a monomer containing nitrile groups, more advantageously modified with a salt of an unsaturated carboxylic acid. | 10-27-2011 |
20140287862 | Transmission Belt - The durability of a belt is enhanced by improving the strength of rubber itself while enhancing its peeling strength with respect to a cord, a fabric or a short fiber. A toothed belt ( | 09-25-2014 |
20150024891 | SUSPENSION ELEMENT FOR AN ELEVATOR SYSTEM - An elevator system includes a car or platform to transport passengers and/or goods as well as a counterweight, which are arranged as traversable or movable along a travel path, and which are coupled and/or with a drive by a suspension element interrelating their motion. The suspension element is guided and/or driven by a traction sheave and/or a drive shaft and/or a deflecting pulley. The suspension element is a sheathed and/or belt-type, with a first layer made of a first plasticizable and/or elastomeric material and a second layer with a connection plane formed between the first and second layers. At least one tension member—rope-type, tissue-type, or comprising a multitude of partial elements—is embedded in an area of the connection plane, a majority of a surface of said at least one tension member directly contacting said first layer. A manufacturing procedure for one of the suspension elements is provided. | 01-22-2015 |
474205000 | Drive surfaces on longitudinally spaced teeth formed integral with flexible member | 33 |
20080318719 | Toothed power transmission belt - A power transmission belt has a body with a length, a width, an inside and an outside. The body has at least one load carrying member embedded in rubber and extending in a lengthwise direction. The body defines a plurality of teeth spaced along the length of the belt on at least one of the inside and outside of the body. At least one of: (a) the at least one load carrying member has an occupying rate (R) that is not less than 75%, with R=n×Dc/B×100 where: n=number of load carrying members aligned along the width of the body; Dc=diameter of load carrying member(s); and B=width of the body; and (b) the at least one load carrying member has a cross-sectional area taken transversely to the length of the body that is in a range of 1.10 to 1.70 mm | 12-25-2008 |
20090011883 | Power Transmission Belt - A power transmission belt comprising a polyester tensile cord having a heat shrinkage at 100° C. of less than 1% and/or a heat shrinkage at 150° C. of less than about 1.5% and/or a dimensional stability index of less than about 6%. The belt has a heat shrinkage after 24 hours at 100° C. of less than 1%. The polyester may be that sold under the trade name A360 or A363 by Performance Fibers, Inc. or equivalent polyethylene terephthalate. The tensile cord is particularly suited for use in V-belts for variable speed drives. | 01-08-2009 |
20090011884 | Transmission Belt - The invention provides a transmission belt that can suppress lowering in transmission efficiency and has improved durability. A rubber layer adhered to core wires is formed to have a durometer hardness (shore A) of not less than 72 and not more than 85, or have a tensile stress of not less than 0.5 MPa and not more than 1.7 MPa when stretched 10% in the belt longitudinal direction at 25° C., and the rubber layer is formed to have a weight increase of 90% or less after immersed in light oil for 48 hours at 25° C. or have a weight increase of 80% or less after immersed in toluene for 48 hours at 25° C. Alternatively, the rubber layer adhered to the core wires is formed to have a storage modulus of not less than 10 MPa and not more than 50 MPa and a tan δ of not more than 0.15 as measured by dynamic viscoelasticity measurement under conditions at a static load of 3 kgf/cm | 01-08-2009 |
20090197726 | CANVAS FOR TOOTHED BELT AND TOOTHED BELT CONTAINING SAME - The canvas of the present invention for forming a rough surface of toothed belt is formed from warp yarns which are formed from composite yarns each comprising a core yarn comprising, as a principal component, half-drawn synthetic fiber yarns having an elongation at break of 50 to 200% and a covering yarn wound around the core yarn, comprising, as a principal component, high mechanical strength, high treat resistant fibers and preferably twisted at a twist number of 300 to 4000 turns/m, and weft yarns; and has a capability of being easily produced by meaning, uniform appearance and yarn distribution and excellent abrasion resistance. | 08-06-2009 |
20090264235 | Device For Activating A Cogged Flexible Transmission Organ - The device is designed for a drive transmission system for activating a cogged flexible transmission organ and comprises: at least a support pulley borne idle on a drive shaft and destined to contact, at a calibrated circumference thereof, a top of cogs for of the flexible transmission organ in order to define a predetermined winding radius of the flexible transmission organ; a cogged drawing pulley, interposed between the support pulleys and keyed on the drive shaft and provided with cogs destined to enmesh with bottoms of the flexible transmission organ in order to cause advancement of the flexible transmission organ, the cogs of the drawing pulley being sized such that during the enmeshing the respective tops are displaced from the bottom of the recesses of the flexible transmission organ and such that the tops of the cogs of the flexible transmission organ are displaced from the bottom of the recesses of the drawing pulley. The drawing pulley therefore cannot drag on the flexible transmission organ while the support pulleys are not subject to the drive torque. | 10-22-2009 |
20100004082 | Toothed Belt and Timing Control System - Toothed belt comprising a body, a plurality of resistant inserts or cords and a plurality of teeth extending from at least one surface of the body; the teeth are coated with a coating fabric. The body is made of a first elastomeric material formed. The fabric is treated with a fabric treatment comprising a second elastomeric material. The resistant inserts or cords are treated with cord treatment comprising a third elastomeric material. The first, second and third elastomeric material are formed of a mixture of one or more copolymers obtained from diene monomers and monomers containing nitrile groups, in which the nitrile groups are between 30 wt % and 39 wt %. | 01-07-2010 |
20100075793 | POWER TRANSMISSION BELT - The invention relates to a power transmission belt presenting elastomer teeth based on ethylene alpha olefin elastomer provided with an outer woven or non-woven covering. According to the invention the teeth are covered in a barrier layer, in particular of a thermoplastic material, and said outer covering, at least on the flanks of the teeth, is partially included in a portion of the thickness of the barrier layer. | 03-25-2010 |
20100197434 | HELICAL SYNCHRONOUS BELT MADE OF URETHANE - Provide a helical synchronous belt comprising a urethane resin back layer, teeth and core cords, with silicone oil attached to the teeth side, which can demonstrate sufficient durability even in the case of a narrow helical synchronous belt required by small, precision equipment, etc. | 08-05-2010 |
20100240481 | TOOTHED BELT - Toothed belt for use in contact with oil and comprising a body and a number of teeth extending from at least one surface of the body; the teeth are coated by a fabric; a resistant layer comprising a plastomer based on fluorine with the addition of elastomeric material, in which the plastomer is present in a larger quantity than the elastomeric material, is applied by adhesion onto the coating fabric. The elastomeric material forming the body of the belt is a copolymer obtained from a dienic monomer and a monomer containing nitrile groups, in which the nitrile groups are between 33% and 49%, preferably 39%, in weight with respect to the copolymer. | 09-23-2010 |
20100279808 | DOUBLE COGGED V-BELT FOR VARIABLE SPEED DRIVE - A double-cogged V-belt with the upper and lower cog profiles symmetric and having lines (“L”) and arcs (“A”) connected according to a sequence from the center of a root to the center of an adjacent cog of L | 11-04-2010 |
20110111901 | Detachable Belt for a Belt Pulley Bicycle - A detachable belt for a belt pulley bicycle essentially comprises a toothed belt and a positioning unit. The toothed belt includes a first unit and a second unit at both ends thereof. The positioning unit is detachably assembled to the first and the second units to connect or disconnect the first and the second units, thus making it more convenient to replace the belt. | 05-12-2011 |
20110111902 | Oil-resistant drive belt, particulary toothed belt - The invention relates to a drive belt ( | 05-12-2011 |
20110118068 | TOOTHED POWER TRANSMISSION BELT - A power transmission belt having a body with a length, an inside and an outside. Teeth are spaced along the length of the body. The body is made of rubber in which at least one load carrying member is embedded. The load carrying member extends lengthwise of the body. The rubber in the body is made up of: a) 3 to 7 parts by mass of short fiber blended relative to 100 parts by mass of a polymer that is a hydrogenated nitrile rubber having unsaturated carboxylic acid metal salt formed by mixing the hydrogenated nitrile rubber and the unsaturated carboxylic acid metal salt at a mass ratio of from 100:100 to 100:180; and b) no more than 10 parts by mass of a powdery inorganic filler blended relative to 100 parts by mass of the polymer. | 05-19-2011 |
20110237374 | TOOTHED BELT - A toothed belt includes: a belt main body in which a plurality of cords are arranged side by side in a widthwise direction of a rubber layer; a plurality of teeth portions formed at one surface of the belt main body; and a tooth cloth covering surfaces of the teeth portions. A cloth base material is obtained by impregnating a surface layer rubber composition into an original canvas and by forming a surface layer, and an adhesion layer rubber composition is attached to one surface of the cloth base material to form an adhesion layer, thus forming the tooth cloth. The rubber layer contains: HNBR including HNBR in which a Mooney viscosity at 100° C. is in a range of from 100 to 160; and a polymer alloy obtained by finely dispersing zinc methacrylate in HNBR. The rubber layer and rubber compositions preferably contain hydrogenated carboxyl NBR. | 09-29-2011 |
20110269588 | ARTICLE, PARTICULARLY DRIVE BELT, HAVING A TEXTILE LAYER AND METHOD FOR PRODUCING A DRIVE BELT - The invention relates to an article including an elastic main body on the basis of a vulcanized rubber ( | 11-03-2011 |
20110269589 | ELASTIC ARTICLES, PARTICULARLY DRIVE BELTS, HAVING A TEXTILE OVERLAY AND A BONDING AGENT MADE FROM MELTABLE PLASTIC - An article has an elastic main element based on a vulcanizate having a wear-susceptible article surface. The article is primarily a drive belt ( | 11-03-2011 |
20120071286 | Power Transmission Belt and Method of Making Same - A method of making a belt including the steps of: (a) helically wrapping a fabric strip of predetermined width on a mandrel at a first helix angle; (b) helically winding a tensile cord onto the mandrel over the fabric at a second helix angle less than the first helix angle; (c) wrapping a sheet or a strip of elastomer material around the mandrel over the tensile cord; and (d) curing the elastomer material under pressure to form a belt sleeve. The mandrel may be grooved for making toothed belts. The fabric strip may be preformed. A resulting toothed belt has a fabric seam spanning several teeth and having a helix angle. The seam may be joined. | 03-22-2012 |
20120142471 | POWER TRANSMISSION BELT, IN PARTICULAR TOOTHED BELT, AND METHOD FOR THE PRODUCTION THEREOF - A power transmission belt ( | 06-07-2012 |
20120252619 | TOOTHED BELT - Configuring the inside of a tooth portion | 10-04-2012 |
20120309573 | PAH-Free Drive Belt, in Particular Toothed Belt - A drive belt with a main body made of a polymeric material having resilient properties, comprising a top layer as the belt rear face and a base having a force transfer zone, wherein moreover at least one tension cord is embedded in the main body. Three drive belt variants are specified. In addition, the top layer and/or the force transfer zone are/is provided with a pressure-resistant coating. The drive belt is characterized in that at least the top layer and/or the base are/is free from carbon black and free from polycyclic aromatic hydrocarbons (PAH). The tension cord and/or abrasion-resistant coating are/is preferably prepared with an adhesive system that is likewise free from carbon black and PAH. | 12-06-2012 |
20130040771 | POWER TRANSMISSION BELT, IN PARTICULAR TOOTHED BELT - A power transmission belt having an elastic basic body, comprising a top layer as a belt spine and comprising a substructure with a power transmission zone, wherein the basic body is composed of an at least partially vulcanized natural rubber mixture which contains at least one natural rubber component and at least one filler material and at least one reactive diluent in accordance with DIN 55945:2007 March. | 02-14-2013 |
20130053200 | DOUBLE COGGED V-BELT FOR VARIABLE SPEED DRIVE - A double-cogged V-belt with the upper and lower cog profiles symmetric and having lines (“L”) and arcs (“A”) connected according to a sequence from the center of a root to the center of an adjacent cog of L | 02-28-2013 |
20130059690 | High Performance Toothed Belt - A toothed belt is described, comprising resistant inserts that each have a total diameter, indicated by φtot, in the range between 0.9 and 3 mm. The resistant insert consist of a core consisting of at least one yarn of fibres of a first material having a diameter φc and a number N of cover yarns of fibres of a second material. The number of cover yarns N is in the range between 10 and 25 and the N yarns entirely surround the core, moreover the ratios between the total diameter of the resistant insert and the core diameter are in the range 0.403-07-2013 | |
20130072335 | TOOTHED BELT AND METHOD OF MANUFACTURING THE SAME - A toothed belt has therein a core wire ( | 03-21-2013 |
20130190120 | DOUBLE COGGED V-BELT FOR VARIABLE SPEED DRIVE - A double-cogged V-belt with the upper and lower cog profiles symmetric and having lines (“L”) and arcs (“A”) connected according to a sequence from the center of a root to the center of an adjacent cog of A | 07-25-2013 |
20130237356 | Power Transmission Belt and Method of Making Same - A method of making a belt including the steps of: (a) helically wrapping a fabric strip of predetermined width on a mandrel at a first helix angle; (b) helically winding a tensile cord onto the mandrel over the fabric at a second helix angle less than the first helix angle; (c) wrapping a sheet or a strip of elastomer material around the mandrel over the tensile cord; and (d) curing the elastomer material under pressure to form a belt sleeve. The mandrel may be grooved for making toothed belts. The fabric strip may be preformed. A resulting toothed belt has a fabric seam spanning several teeth and having a helix angle. The seam may be joined. | 09-12-2013 |
20130337956 | COVER FABRIC FOR POWER TRANSMISSION BELT AND TOOTHED BELT - The present invention relates to a cover fabric for power transmission belt, which covers at least a part of working surface of a power transmission belt coming into contact or engage with a pulley and thereby transmitting power, in which the cover fabric contains a yarn, the yarn contains at least a fluorine-based fiber, and the fluorine-based fiber is formed of at least one slit yarn, and the cover fabric is subjected to an adhesion treatment. | 12-19-2013 |
20140080647 | TOOTHED BELT - Provided is a toothed belt that has satisfactory durability even under high-temperature and high-load conditions or within an oil or water environment. The toothed belt | 03-20-2014 |
20140162822 | Flexible Gear Rack Carriage Transport In A Printing Apparatus - A durable gear strap couples components in an imaging device to a driving force. The gear strap includes a strip having a plurality of rigid sections and a plurality of flexible sections. Gear teeth on the strip enable rotation of a gear to move the gear strap in a track. At least one engagement member extends from one of the rigid sections to couple a component to the gear strap for movement. | 06-12-2014 |
20140206487 | TOOTHED BELT - A toothed belt is provided that has excellent environment resistance, high load resistance, high stiffness, and achieves high accuracy, light weight, compactness and low noise. | 07-24-2014 |
20150141186 | NOTCHED TRANSMISSION BELT - A notched transmission belt has a plurality of notches whose bottom in a cross-section taken along a plane orthogonal to the width direction of the belt includes a linear portion at a center, and recessed curved portions continuously formed at both sides of the linear portion. | 05-21-2015 |
20160053850 | METHOD FOR FABRICATING A BELT WITH TREATED TENSION MEMBERS WITH ENVELOPE LAYER AND BELT THUS PRODUCED - A method for fabricating a belt with upstream treatment of a tension member. The belt comprises a belt body made of a polymeric material having elastic properties, having a top ply as belt backing and a substructure having a force transmission zone, and a tension member embedded into the belt body. The tension member has been treated with crosslinked polymer; in an upstream stage of the belt fabrication method, voids in the tension member are filled at least partly with crosslinked polymer and the tension member is sealed with an envelope layer of crosslinked polymer, this being done, in a single treatment stage or in at least two treatment stages, by wetting of the tension member with an overall treatment mixture comprising at least one prepolymer, at least one crosslinker and at least one solvent or dispersion medium, and then drying of the treated tension member. | 02-25-2016 |
20160377149 | WATER-BASED TREATMENT AGENT FOR FORMING RUBBER-REINFORCING CORD, RUBBER-REINFORCING CORD FORMED USING SAME AND PRODUCTION METHOD THEREFOR, AND RUBBER PRODUCT EMPLOYING RUBBER-REINFORCING CORD - It is an object to improve the anti-fraying properties of rubber-reinforcing cords without significant reduction in productivity. The present invention provides a water-based treatment agent for forming a rubber-reinforcing cord having a coating. The water-based treatment agent includes a rubber latex, a crosslinking agent, and a filler. A content of the crosslinking agent is 50 parts by mass or more and 150 parts by mass or less per 100 parts by mass of solids contained in the rubber latex, and a content of the filler is more than 50 parts by mass and 80 parts by mass or less per 100 parts by mass of the solids contained in the rubber latex. | 12-29-2016 |