# US 10,119,574 B2 · Torque-transmitting coupling > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,119,574 B2 - Document ID: US10119574B2 - Status: Granted - Kind: B2 - Application number: 14/871,328 - Filed: 2015-09-30 - Published: 2016-05-19 - Granted: 2018-11-06 - Earliest claimed: 2014-11-14 - Assignees: Centa-Antriebe Kirschey GmbH - Applicants: CENTA-ANTRIEBE KIRSCHEY GmbH - Inventors: Norbert Hartmann - Web page: https://patentgrep.com/patent/US10119574B2 ## CPC - F16D 3/04: specially adapted to allow radial displacement, e.g. Oldham couplings - B29C 39/10: incorporating preformed parts or layers, e.g. casting around inserts or for coating articles {(coating a surface by casting in general B05D1/30, B29C39/126 takes precedence)} - F16D 3/74: the intermediate member or members being made of rubber or other {rubber-like} flexible material - F16D 3/78: shaped as an elastic disc or flat ring, arranged perpendicular to the axis of the coupling parts, different sets of spots of the disc or ring being attached to each coupling part, e.g. Hardy couplings - F16D 3/79: the disc or ring being metallic - B29K 2019/00: Use of rubber not provided for in a single one of main groups {B29K2007/00 - B29K2011/00,} as moulding material - B29L 2031/748: {Machines or parts thereof not otherwise provided for (conveyor belts B29L2031/7092; driving belts B29L2031/7094; bearings B29L2031/04)} - F16D: COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) - B29K: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS - B29L: INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES ## Abstract A device for transmitting torque on an axis from a drive to an output has a first connection for connecting with the drive and having a vulcanization surface, and a second connection for connecting with the output and also having a vulcanization surface. An elastic element formed of rubber-elastic material is in the power transmission path between the two connections, is constructed so as to be radially soft, permitting a radial offset of up to 1 mm between the first connection and the second connection, is torsionally rigid to permit an only very small torsion angle of at most 1.5° between the first connection and the second connection, and is vulcanized to the vulcanization surface of the first connection and to the vulcanization surface of the second connection. ## Claims ### Claim 1 A device for transmitting torque on an axis from a drive to an output, the device comprising: a first connection for connecting with the drive and having a vulcanization surface, a second connection for connecting with the output and also having a vulcanization surface, and an elastic element formed of rubber-elastic material in the power transmission path between the two connections, constructed so as to be radially soft, permitting an offset radially of the axis of up to 1 mm between the first connection and the second connection, torsionally rigid to permit an only very small torsion angle of at most 1.5° between the first connection and the second connection, and vulcanized to the vulcanization surface of the first connection and to the vulcanization surface of the second connection. ### Claim 2 (depends on 1) The device according to claim 1, wherein the first connection is a ring flange that has a plurality of angularly distributed fastening bores. ### Claim 3 (depends on 2) The device according to claim 2, wherein the ring flange consists of metal or of plastic. ### Claim 4 (depends on 1) The device according to claim 1, wherein the second connection is formed by a hub comprising a hub part of plastic or of metal. ### Claim 5 (depends on 4) The device according to claim 4, wherein the hub has internal teeth for achieving an insertable connection with a shaft. ### Claim 6 (depends on 4) The device according to claim 4, wherein the hub part, as a component of the hub, is injected onto the latter. ### Claim 7 (depends on 1) The device according to claim 1, wherein the vulcanization surfaces are on respective substantially radial planes and are at least substantially parallel to one another. ### Claim 8 (depends on 1) The device according to claim 1, wherein the elastic element is circularly annular. ### Claim 9 (depends on 8) The device according to claim 8, wherein the elastic element is angularly continuous. ### Claim 10 (depends on 8) The device according to claim 8, wherein the elastic element, deviating from a configuration in the form of a circular ring disk, has recesses. ### Claim 11 (depends on 1) The device according to claim 1, wherein the elastic element is angularly discontinuous. ### Claim 12 (depends on 1) The device according to claim 1, wherein the elastic element has a radial dimension and an axial dimension, the radial dimension being more than twice as great as the axial dimension. ### Claim 13 (depends on 12) The device according to claim 12, wherein a ratio of the radial dimension to the axial dimension is between 5:1 and 100:1. ### Claim 14 (depends on 1) The device according to claim 1, wherein the first connection is secured to the drive and/or the second connection is secured to the output without play, without the arrangement of loose surfaces, and without intercalation of elastic elements. ### Claim 15 A device for the transmission of torque from a drive to an output, the device comprising: a first connection for connecting with the drive, a second connection for connecting with the output, the device being constructed so as to be substantially torsionally rigid to permit only a very small torsion angle of at most 1.5° between the first and second connections, and an elastic and circular ring disk of rubber-elastic material in the power transmission path between the two connections and constructed in the manner of a rubber track and having a radial dimension more than twice as great as its axial dimension so as to permit an offset radially of the axis of up to 1 mm between the first and second connections while being torsionally rigid to permit an only very small torsion angle of at most 1.5° between the first and second connections. ### Claim 16 A modular system for torsionally rigid couplings permitting offset radially of a rotation axis of the system, the system comprising: a first device with a first connection in the form of a ring flange with dimensions of a first type and with a second connection in the form of a first hub, wherein the device is constructed so as to be substantially torsionally rigid to permit only a very small torsion angle of at most 1.5° between the first and second connections and radially soft to permit a radial offset to of up to 1 mm relative to the axis, there is in the power transmission path between the two connections an elastic element formed as a rubber track with a radial dimension more than twice as great as its axial dimension, and a second device with a first connection in the form of a ring flange with dimensions of a second type, differing from the dimensions of the first type, and with a second connection in the form of a second hub the same dimensions as the first hub, the second device has between the respective first and second connections an elastic element that is substantially torsionally rigid and radially soft like the first connection and formed as a rubber track with a radial dimension more than twice as great as its axial dimension.