# US 2019/0170362 A1 · Electro-mechanical interface for an appliance > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0170362 A1 - Document ID: US20190170362A1 - Status: Published application - Kind: A1 - Application number: 16/323,235 - Filed: 2017-08-04 - Published: 2019-06-06 - Earliest claimed: 2016-08-04 - Assignees: Breville Pty Limited - Applicants: Breville Pty Limited - Inventors: James George Morton; Gerard Andrew White - Web page: https://patentgrep.com/patent/US20190170362A1 ## CPC - F24C 7/082: {on ranges, e.g. control panels, illumination} - A47J 37/08: Bread-toasters - A47J 37/0842: {with electronic timers} - H01H 19/14: Operating parts, e.g. turn knob - H01H 25/06: Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement - H05B 6/68: for monitoring or control - G05G 1/10: Details, e.g. of discs, knobs, wheels or handles {(G05G1/085 takes precedence)} - G05G 13/00: Manually-actuated control mechanisms provided with two or more controlling members and also two or more controlled members (interlocking G05G5/08) - H01H 2019/143: {having at least two concentric turn knobs} - H01H 2231/012: Household appliance - F24C: DOMESTIC STOVES OR RANGES (exclusively for solid fuels F24B); DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION - A47J: KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES - H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B7/10; electrolytic self-interrupters H01G9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K17/00) - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - G05G: CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY ("Bowden" or like mechanisms F16C1/10; gearings or mechanisms not peculiar to this purpose F16H; speed changing or reversing mechanisms for gearings conveying rotary motion F16H59/00 - F16H63/00) ## Abstract An electro-mechanical interface device for an appliance. The device including: a mounting element having a first side and a second side, the mounting element having a mounting aperture from the first side through to the second side; a first selection element in the form of a hollow sleeve that is partially located through the mounting aperture from the first side of mounting element; and a fastening ring engages the first selection element from the second side of mounting element, such that the first selection element is releasably retained from being withdrawn from the mounting aperture, wherein the first selection element is rotatable with respect to the mounting element. The device may further include a hub element is located within the circular-sleeve of the first selection element that restricts separation of the first selection element from the fastening ring. ## Claims ### Claim 1 An electro-mechanical interface device for an appliance, the device including: a mounting element having a first side and a second side, the mounting element having a mounting aperture from the first side through to the second side; a first selection element in the form of a hollow sleeve that is partially located through the mounting aperture from the first side of mounting element; and a fastening ring engages the first selection element from the second side of mounting element, such that the first selection element is releasably retained from being withdrawn from the mounting aperture, wherein the first selection element is rotatable with respect to the mounting element. ### Claim 2 (depends on 1) The device according to claim 1, the device further including: a hub element is located within the circular-sleeve of the first selection element that restricts separation of the first selection element from the fastening ring. ### Claim 3 (depends on 2) The device according to claim 2, wherein the hub element is retained, such that it cannot be withdrawn from the first side of the first selection element. ### Claim 4 (depends on 2) The device according to claim 2, wherein the hub element is rigidly retained with respect to mounting plate, such that the first selection element rotates about the hub element. ### Claim 5 (depends on 2) The device according to claim 2, wherein the hub element further includes a second selection element. ### Claim 6 (depends on 5) The device according to claim 5, wherein the first selection element and the second selection element are each rotatable. ### Claim 7 (depends on 5) The device according to claim 5, wherein the first selection element and the second selection element are concentrically located. ### Claim 8 An electro-mechanical interface device for an appliance, the device including: a mounting element having a first side and a second side, the mounting element having a mounting aperture from the first side through to the second side; a first selection element in the form of a hollow sleeve that is partially located through the mounting aperture from the first side of mounting element; a fastening ring engages the first selection element from the second side of mounting element, wherein the first selection element is rotatable with respect to the mounting element; a hub module is located within the circular-sleeve of the first selection element, the hub module supporting a second selection element. ### Claim 9 (depends on 8) The device according to claim 8, wherein the first selection element and the second selection element are each rotatable. ### Claim 10 (depends on 8) The device according to claim 8, wherein the first selection element and the second selection element are concentrically located. ### Claim 11 (depends on 8) The device according to claim 8 wherein the mounting aperture of the mounting element is a circular aperture. ### Claim 12 (depends on 8) The device according to, claim 8, wherein the mounting aperture is circular and sized to receive the circular sleeve there through. ### Claim 13 (depends on 8) The device according to, claim 8, wherein the first selection element has a flange portion that restricts the first selection element from passing through the mounting aperture. ### Claim 14 (depends on 12) The device according to claim 12, wherein the flange portion is a radially outwardly protruding circumferential flange. ### Claim 15 (depends on 8) The device according to, claim 8, wherein the first selection element is rotatable to a user selection orientation. ### Claim 16 (depends on 8) The device according to, claim 8, wherein the first selection element is coupled to an electronic module to generate a signal indicative of the user selection orientation that is transmitted to a processor module. ### Claim 17 (depends on 8) The device according to, claim 8, wherein the first selection element has indicator tab for providing feedback of the current setting to a user. ### Claim 18 (depends on 8) The device according to, claim 8, wherein the first selection element has a plurality of axial directed circumferential slots that form snap locking tabs there between. ### Claim 19 (depends on 18) The device according to claim 18, wherein the first selection element defines at least six locking tabs. ### Claim 20 (depends on 18) The device according to claim 18, wherein the snap locking tabs have a projection that releasably captures an inner circumference of the fastening ring. ### Claim 21 (depends on 8) The device according to, claim 8, wherein fastening ring includes a plurality of detents located or spaced about its circumference, and a biased locating tab abuts the circumference and detents to selectively resist free rotation of the fastening ring. ### Claim 22 (depends on 8) The device according to, claim 8, wherein fastening ring includes a stop tab that restrict rotation of the locking ring to a pre-defined range. ### Claim 22 (depends on 8) The device according to, claim 8, wherein fastening ring includes a circumferential gear portion having a plurality of teeth that engages a slave gear, the slave gear is coupled to a variable resistor for providing a signal to a processor module. ### Claim 23 (depends on 8) The device according to, claim 8, the device further including: a spacer ring located on the mounting element, wherein the spacer ring is sized to fit about the sleeve of the first selection element for insulating the first selection element from an internal element or an outer skin of the appliance. ### Claim 24 (depends on 23) The device according to claim 23, wherein spacer ring engages the mounting element, and is keyed to the mounting element for prohibiting relative rotation. ### Claim 25 (depends on 23) The device according to claim 23, wherein spacer ring provides a flat abutment surface for receiving the first selector element. ### Claim 26 (depends on 8) The decive according to claim 8, in combination with an appliance.