| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 474240000 | Including plural interconnected members each having a drive surface facing in a common direction | 38 |
| 20100144474 | BELT UNIT FOR CONTINUOUSLY VARIABLE TRANSMISSION - A belt unit for a continuously variable transmission that transmits power from a primary pulley to a secondary pulley, may include at least a band overlapped each other, and a segment including a body base and a locking end portion which are connected by a neck therebetween, wherein an upper surface of the at least a band is coupled to the locking end portion and a lower surface of the at least a band is coupled to a segment shoulder of the body base, and wherein lower grooves are formed at lower portions of the neck between the neck and the segment shoulder of the body base at both sides of the neck such that an upper surface of the respective body base is higher than the corresponding lower groove to form a contact radius difference between the lower groove and the upper surface of the body base. | 06-10-2010 |
| 20110201467 | ELEMENT FOR DRIVING BELT AND DRIVING BELT - An element for a driving belt, which is easy for a ring to be fitted into a recess of the element, and which is capable of preventing deterioration of durability thereof. The element as a plate-like member includes latch portions formed on an opening end side of each inner side wall of the recess to hold a ring in its inner circumferential side. The element thus structured is juxtaposed in a circular manner to be fastened by the ring to form a driving belt. In the element, a holding face is formed on an inner circumferential face of the latch portion to be opposed to an outer circumferential face of the ring and to be contacted with the outer circumferential face of the ring to hold the ring, and a relief area is formed by depressing a portion of each of the inner side wall at an inner circumferential side of the holding face. | 08-18-2011 |
| 20110319210 | CONTINUOUSLY VARIABLE TRANSMISSION METAL BELT, METHOD FOR MANUFACTURING METAL RING OF CONTINUOUSLY VARIABLE TRANSMISSION METAL BELT, AND METHOD FOR MEASURING SHAPE OF METAL RING OF CONTINUOUSLY VARIABLE TRANSMISSION METAL BELT - A continuously variable transmission metal belt includes a metal ring assembly and metal elements. The metal ring assembly includes stacked endless metal rings. Each of the stacked endless metal rings includes a flat peripheral surface and a substantially semicircular end face. The substantially semicircular end face is connected to an end of the peripheral surface in a width direction of each of the stacked endless metal rings. The metal elements are supported on the metal ring assembly. A displacement Z of the end face is smaller than or equal to 0.1R. The displacement Z is defined as Z=R−H. R is a radius of an imaginary circle that passes through a contact point between the peripheral surface and the end face and that is tangent to the end face. H is a distance from a center of the imaginary circle to the peripheral surface. | 12-29-2011 |
| 20120021859 | DRIVE BELT - Drive belt ( | 01-26-2012 |
| 20120190490 | POWER TRANSMISSION BELT AND METHOD OF PRODUCING THE SAME - A power transmission belt low in cost and preventing work precision from being lowered and life expectancy of a metal press working mold from being decreased and a method of producing such a power transmission belt are provided. The power transmission belt includes endless band-like rings, and a plurality of elements bonded into an annular shape by the endless band-like rings. Each of the elements has both side end surface portions pressed between pulleys in the belt width direction, a rocking edge portion serving as a fulcrum when rocked in the state that the elements are partly wound around the pulleys, and a concave-convex portion engageable in concave-convex engagement with the concave-convex portions of a pair of neighboring elements. Each of the elements is formed with a curved inclination surface between the rocking edge portion and the concave-convex portion to have an inclination angle reduced toward the concave-convex portion. | 07-26-2012 |
| 20120208663 | ELEMENTS OF DRIVE POWER TRANSFER BELT OF BELT-DRIVE CONTINUOUSLY VARIABLE TRANSMISSION FOR VEHICLE - Provided are elements arranged along a ring of a drive power transfer belt wound on pulleys of a belt-drive continuously variable transmission. Each element has a recess at one side of the element and a projection projecting from the other side to fit into the recess of the adjacent element. The projection has a first engagement portion provided at its base side such that a predetermined engagement gap is created on the radially outer side when the projection fits in the recess of the adjacent element, and a second engagement portion provided at the tip side of the projection and decreasing in diameter toward the tip of the projection from the first engagement portion. The gradient with which the diameter of the second engagement portion decreases is larger than the gradient with which the diameter of the first engagement portion decreases toward the tip of the projection. | 08-16-2012 |
| 20140371015 | DRIVE BELT COMPRISING DIFFERENT TYPES OF TRANSVERSE MEMBERS FOR A CONTINUOUSLY VARIABLE TRANSMISSION - A drive belt ( | 12-18-2014 |
| 474241000 | Forming imbricate structure | 1 |
| 20100016111 | REINFORCED BELT HAVING REDUCED ELECTRICAL RESISTIVITY AND METHOD FOR PRODUCING SAME - A link belt for use as a conveyor belt or power transmission belt is provided. The belt is formed of a plurality of links forming a series in successive overlapping relation. The upper surface of each belt link includes an electrically conductive layer. Additionally, the lower surface of each belt link may have an electrically conductive layer. The conductive layer or layers provide an electrical path along the belt to impede the build-up of static electricity as the belt is run during use. | 01-21-2010 |
| 474242000 | Belt has oppositely facing side drive surfaces (e.g., "V-belt", etc.) | 28 |
| 20080305906 | TRANSMISSION BELT - A transmission belt is formed by annularly arranging elements including a plate-shaped first element and a plate-shaped second element, and annularly connecting the elements using a ring. The first element includes a first edge surface on which a burr is formed when the first element is formed by a press operation. The second element includes a second edge surface on which a burr is formed when the second element is formed by the press operation. The first and second edge surfaces face in directions opposite to each other in a direction in which the elements are arranged. The first edge surface includes a first rocking edge that contacts the element adjacent to the first element when the elements are arranged in an arc. The second edge surface includes a second rocking edge that contacts the element adjacent to the second element when the elements are arranged in the arc. | 12-11-2008 |
| 20090111633 | METAL V-BELT - A metal V-belt includes a plurality of metal elements supported by a metal ring. The metal ring includes front and rear main surfaces, a pair of left and right slots that receive the metal ring therein, the slots being defined between a saddle surface and an ear-part bottom surface. A protrusion is provided on one of the front and rear main surfaces, and a concavity is provided in the other of the front and rear main surfaces. A clearance defined between an outermost peripheral surface of the metal ring and the ear-part bottom surface of the metal element is set to a value that at an exit of a driven pulley, contact of the innermost peripheral surface of the metal ring with the saddle surface of the metal element, and contact of the protrusion of a succeeding metal element and the concavity of a preceding metal element is avoided. | 04-30-2009 |
| 20090203478 | DRIVING BELT, AND ASSEMBLING DEVICE, ASSEMBLING METHOD AND MANUFACTURING METHOD THEREOF - An assembling device, an assembling method and a manufacturing method of a driving belt, which can facilitate fitting of rings into a recess of an element to improve productivity of the driving belt. | 08-13-2009 |
| 20090280940 | METAL V-BELT OF CONTINUOUSLY VARIABLE TRANSMISSION - Each steel element for a V-belt of a continuously variable transmission has a flank ( | 11-12-2009 |
| 20100004084 | Variable speed belt - A variable speed belt comprising an elastomeric body, a tensile cord disposed within the elastomeric body and extending in an endless direction, a cog extending from the body, the cog comprising opposing flanks, each flank comprises a first planar surface describing an included angle (α), the first planar surface engageable with a sheave, each flank comprises a second planar surface disposed toward a cog tip describing an included angle (β); and included angle (α) is not equal to the included angle (β). | 01-07-2010 |
| 20100029427 | TRANSVERSE ELEMENT FOR A DRIVE BELT FOR A CONTINUOUSLY VARIABLE TRANSMISSION - A transverse element for a drive belt, includes a recess on either side for at least partially accommodating a ring assembly of the drive belt. The transverse element includes a base part lying radially inside the recesses, a connecting piece lying between the recesses, and a head part lying radially outside the recesses, the base part on either side of the connecting piece being provided with a radially outwardly directed saddle surface for contact with a ring assembly, and between a saddle surface and the connecting piece a notch being provided, in which notch a convexly curved part connects to the respective saddle surface, and in which notch a concavely curved part connects to a respective substantially axially directed side face of the connecting piece. The concavely curved part on either side of a radially most inward lying part thereof has a mutually differing degree of curvature. | 02-04-2010 |
| 20100099531 | POWER TRANSMISSION CHAIN AND POWER TRANSMISSION SYSTEM INCLUDING THE SAME CHAIN - A power transmission chain includes a plurality of link units which are aligned in a chain advancing direction, and each link unit includes a plurality of link plates which are aligned in a chain width direction W. The plurality of link plates include link plates which are punched out of a material by pressing to first and second specifications. A punching direction of the link plates to the first specification and a punching direction of the link plates to the second specification are made opposite to each other. | 04-22-2010 |
| 20100227721 | ENDLESS METAL BELT - An endless metal belt including a ring formed by laminating endless metal plates; and multiple elements continuously attached to the ring. Each of the elements has a body, a head connected to the body by a pillar, and slots formed between the body and the head on left and right sides of the pillar, respectively, for receiving the ring. The elements satisfy the equations (h/t)<1 and (S/h)>40, where h is a width of the slots, t is a plate thickness of the elements, and S is an area of the head. | 09-09-2010 |
| 20100248881 | POWER TRANSMISSION CHAIN - The invention provides a power transmission chain in which abnormal noise can be reduced. | 09-30-2010 |
| 20100267505 | V-SHAPED BELT, BELT-TYPE TRANSMISSION, AND SADDLE-TYPE VEHICLE - To enhance the durability of the V-shaped belt by allowing the strength and the heat-radiating property of the resin blocks to stand together at high levels in the V-shaped belt, which has a plurality of resin blocks and endless connecting members connecting the resin blocks. The V-shaped belt includes a plurality of resin blocks arranged in a direction and an endless connecting member that is impacted into the resin blocks and that extends in the arrangement direction of the resin blocks. Depressions are longitudinally and vertically formed in the upside and downside of the front surface and the rear surface of each resin block. The depressions are separated from the connecting member and are also separated from the lateral surfaces of the resin block. | 10-21-2010 |
| 20100311531 | ELEMENT OF BELT FOR CONTINUOUSLY VARIABLE TRANSMISSION AND BELT FOR CONTINUOUSLY VARIABLE TRANSMISSION - A belt for a continuously variable transmission and elements used in the belt. The elements include a stopper portion formed integrally with a neck portion erected upwardly from a saddle face to hold a width end portion of the ring. The elements are juxtaposed annularly in a same orientation and fastened by rings disposed on a saddle face of the element thereby forming a belt for a continuously variable transmission. A recessed portion is formed by depressing the saddle face at a corner between a side face of the neck portion and the saddle face; and an inner face of the recessed portion includes a first inner face extending smoothly into the side face of the neck portion and having a relatively larger curvature radius, and a second inner face extending smoothly into the first inner face and having a relatively smaller curvature radius. | 12-09-2010 |
| 20110237376 | PUSH TYPE DRIVING BELT - To provide a push type driving belt, which is capable of preventing uneven wear of the ring and deterioration in durability of the ring, by preventing a transmission loss resulting from an internal slippage of the ring, and by positioning the ring properly with respect to the element. | 09-29-2011 |
| 20110300980 | V-BELT - A durable V-belt formed by fastening plate-like elements juxtaposed annularly using a ring. The element comprises a saddle face on which the ring is disposed, columns extending radially outwardly from lateral ends of a saddle face, and flank faces formed on lateral ends of the column to be contacted with a groove of a V-pulley to transmit power. An angle between outer circumferential portions of the flank faces is substantially identical to or smaller than an open angle of the groove of the V-pulley; and an angle between inner circumferential portions of the flank faces is larger than the angle between the outer circumferential portions. | 12-08-2011 |
| 20120277048 | Push Belt For A Continuously Variable Transmission, Comprising Different Types Of Transverse Elements - A push belt ( | 11-01-2012 |
| 20140045633 | CHAIN FOR CONTINUOUSLY VARIABLE TRANSMISSION - Adjacent chain elements transmit a tension by allowing two pins to contact each other. When a chain which has been in a linear state starts to bend, a contact point moves from one point to another. Such movement of the contact point generates a force couple. This force couple causes the rear end of the chain element to move in a lifted manner. An increasing rate of this amount of movement with respect to a relative angle to an adjacent chain element is set such that the increasing rate is small when the relative angle is small, and becomes larger when the relative angle becomes larger. | 02-13-2014 |
| 20140066243 | CHAIN FOR CONTINUOUSLY VARIABLE TRANSMISSION - A chain, wound to span between two pulleys each having facing conical surfaces able to change a distance therebetween and sandwiched by the facing conical surfaces, includes: link units each configured such that plate-shaped links, each having openings, are oriented in a chain circumferential direction and arranged in a chain width direction; and pins each extending through the openings of the links of the link units adjacent in the chain circumferential direction and each contacting the conical surfaces of sheaves at both ends thereof. A curvature radius of a shape curve representing a shape of each end face of each pin in a plane perpendicular to the chain circumferential direction is larger at an inner side in a pulley radial direction than at an initial contact point that is a contact point at the time when a load on each pin is 0. | 03-06-2014 |
| 20140106919 | DRIVING BELT AND METHOD FOR ASSEMBLING THE SAME - A driving belt comprising plate elements juxtaposed in its thickness direction and a flat ring fastening the elements annularly. The elements includes at least one adjuster element configured to adjust an endplay as a total of clearances between the adjacent elements in the elements fastened annularly by the ring. The adjuster element comprises an insertion groove opening toward the endplay, and an inserting member inserted into the insertion groove and configured to protrude partially from the insertion groove thereby adjusting the endplay. | 04-17-2014 |
| 20140200107 | V-BELT FOR TRANSMITTING HIGH LOAD - On each block side face of the blocks of a V-belt for transmitting high load, a ratio of a dimension extending in a belt thickness direction from a buried cord center line of a corresponding tension band to an upper end of an upper pulley-contact face to a dimension extending in the belt thickness direction from the buried cord center line to a lower end of the upper pulley-contact face is larger than or equal to 4.0, and a dimension extending in the belt thickness direction from the buried cord center line to a middle of the upper pulley-contact face is smaller than or equal to 2.3 mm. | 07-17-2014 |
| 20140221141 | DRIVE BELT COMPRISING DIFFERENT TYPES OF TRANSVERSE MEMBERS FOR A CONTINUOUSLY VARIABLE TRANSMISSION - The invention relates to a drive belt ( | 08-07-2014 |
| 20150337922 | TRANSVERSE SEGMENT FOR A DRIVE BELT WITH A CARRIER RING AND MULTIPLE TRANSVERSE SEGMENTS - Transverse segment ( | 11-26-2015 |
| 20160102732 | METAL BELT FOR CONTINUOUSLY VARIABLE TRANSMISSION - In a metal belt for a continuously variable transmission having a saddle face of a metal element and a rocking edge positioned at substantially the same position in the radial direction, a rocking edge is provided at a radially outer end of a front face of a body part, the rocking edge being a fulcrum for pitching of the metal element of the metal belt which is wound around a drive pulley and a driven pulley and transmits a driving force between the two pulleys, and a recess is provided extending from a front face of a neck part to a front face of the body part. Thus, it is possible to minimize a space created between the front and rear metal elements and reduce the bending stress applied to the metal elements, thereby minimizing degradation of the power transmission efficiency. | 04-14-2016 |
| 20160153524 | CONTINUOUSLY VARIABLE TRANSMISSION BELT | 06-02-2016 |
| 474244000 | Oppositely facing surfaces are on pair of discrete elements | 6 |
| 20100167859 | HIGH-LOAD DRIVE V-BELT - The present invention aims at improving the shock resistance of a block without lowering the power transmission property or the wear resistance of a belt while suppressing the separation of the contact portion off of the reinforcing member. A high-load drive V-belt B includes: at least one tension band | 07-01-2010 |
| 20130281240 | TRANSVERSE ELEMENT WITH A PROTRUDING CONICAL STUD FOR A DRIVE BELT - Transverse element ( | 10-24-2013 |
| 474245000 | And sequential pairs are interconnected longitudinally by distinct pivot elements | 4 |
| 20090054188 | CONTINUOUS VARIABLE TRANSMISSION BELT - A continuous variable transmission belt, comprising an annular continuous band comprising a body reinforced by a longitudinal armature and a plurality of friction plugs connected by coupling of shape with at least one of either an outer spine of the continuous band or an inner surface opposite to the outer spine with respect to the armature, the friction plugs comprising respectively a friction member adapted to cooperate with a pulley of the transmission and a connection member cooperating with the friction member to rigidly connect the friction plug to the continuous band. Each of the connecting members is made of a material having a higher thermal conductivity than that of the friction members and presents an abutting surface against either of the outer spine or the inner surface. | 02-26-2009 |
| 20090105026 | Power transmission chain and power transmission apparatus - In a minimum operation radius, long links are present one or more nodes at all times, and an upper limit to the number of long links is such that long links are present half or less of nodes that bite into a pulley. | 04-23-2009 |
| 20090111634 | METAL BELT FOR CONTINUOUSLY VARIABLE TRANSMISSION - Although a radial outside portion of a metal ring contact surface of a neck section of a metal element which is contactably opposed to a side edge of a metal ring of a metal ring assembly has high frequencies of contacting with a side edge of the metal ring, it is possible to suppress abrasion of the side edge of the metal ring and to improve durability of the metal ring by setting a surface hardness of the radial outside portion lower than a surface hardness of the metal ring. In addition, by setting a surface hardness of the metal ring contact surface at its portion of the radial outside lower than the surface hardness of the metal ring contact surface at other portions thereof where the frequencies of contacting with the side edge of the metal ring becomes low, in comparison with a case of setting the surface hardness of the whole metal ring contact surface low, it is possible to increase strength of the metal element and to improve the durability of the metal element. | 04-30-2009 |
| 20100069189 | POWER TRANSMISSION CHAIN AND POWER TRANSMISSION APPARATUS INCLUDING POWER TRANSMISSION CHAIN - [Problems to be Solved] To provide a power transmission chain which not only can prevent the occurrence of an edge contact phenomenon in which the edge portion of a pin end face is contacted with a pulley, but also can enhance the power transmission efficiency. | 03-18-2010 |
| 474246000 | Plural, inwardly facing drive surfaces along the direction transverse to longitudinal extent of belt | 2 |
| 20090054189 | ENDLESS BELT FOR POWER TRANSMISSION - [Problems] To provide an endless belt for power transmission capable of efficiently improving the yawing attitude of the elements in a variable pulley. | 02-26-2009 |
| 474247000 | And plural, inwardly facing drive surfaces along the direction parallel to longitudinal extent of belt | 1 |
| 20090192001 | Plate-link chain - A drive chain suitable for use in a continuously variable transmission of a motor vehicle, the transmission having two pairs of spaced drive members about which the chain passes to transfer torque from one drive member to the other. The chain includes a plurality of link elements that include spaced, side-by-side plate links. The plate links include openings in which pairs of parallel rocker members are disposed for relative rocking movement of at least one rocker member about its longitudinal axis. A method for stretching the chain is also disclosed, in which areas of some of the plate links are plastically deformed by stretching the chain before the chain is put to use. | 07-30-2009 |
