# US 12,109,928 B2 · Foldable pedal apparatus for vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,109,928 B2 - Document ID: US12109928B2 - Status: Granted - Kind: B2 - Application number: 17/868,246 - Filed: 2022-07-19 - Published: 2023-06-08 - Granted: 2024-10-08 - Earliest claimed: 2021-12-08 - Assignees: Hyundai Motor Company; Kia Corporation - Applicants: Hyundai Motor Company; Kia Corporation - Inventors: Eun Sik Kim - Web page: https://patentgrep.com/patent/US12109928B2 ## CPC - B60N 3/063: {with adjustment systems} - B60R 21/09: Control elements or operating handles movable from an operative to an out-of-the way position, e.g. {pedals,} switch knobs, window cranks {(specially adapted for brake pedals, e.g. by venting of master cylinder or destruction of force transmitting rod, B60T7/065)} - B60T 7/042: {by electrical means, e.g. using travel or force sensors} - B60T 7/06: Disposition of pedal - G05G 1/36: Mounting units comprising an assembly of two or more pedals, e.g. for facilitating mounting - G05G 1/40: adjustable - G05G 1/42: non-pivoting, e.g. sliding - G05G 5/005: {for preventing unintentional use of a control mechanism (G05G5/28 takes precedence)} - G05G 5/28: for preventing unauthorised access to the controlling member or its movement to a command position - B60N: SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - B60T: VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL (electrodynamic brake systems for vehicle, in general B60L; brakes per se, i.e. devices where braking effect occurs, including ultimate brake actuators, F16D); ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES - 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 A foldable pedal apparatus for a vehicle, turns into a pop-up state in which a pedal pad protrudes to the interior of the vehicle to be exposed toward a driver in the manual driving mode in which the driver is actively engaged in driving and a hide state in which the pedal pad is pushed behind a center fascia panel so that exposure toward the driver is blocked in the autonomous driving mode in which the driver is not actively engaged in driving, wherein a pressure-operated or liner motion signal generating portion generates a signal relating to a pedal function during manipulation of the pedal pad. ## Claims ### Claim 1 A foldable pedal apparatus for a vehicle, the foldable pedal apparatus comprising: a pedal arm rotatably provided in a footrest panel; a pedal assembly provided in the pedal arm and operated in response to manipulation of a driver; and a signal generating portion provided in the pedal assembly to generate a signal relating to a pedal function during operation of the pedal assembly, wherein the foldable pedal apparatus turns into a hide state in which the pedal assembly is not manipulable by the driver when the pedal assembly is covered by a center fascia panel by rotation of the pedal arm and turns into a pop-up state in which the pedal assembly is manipulable by the driver when the pedal assembly is exposed from the center fascia panel by rotation of the pedal arm, wherein the center fascia panel is rearwardly spaced from the footrest panel with a predetermined gap, wherein a support lever is provided to protrude toward the footrest panel and be elastically rotatable via a lever spring elastically supporting the support lever in the center fascia panel, and wherein the foldable pedal apparatus turns into the hide state in which the pedal assembly is not manipulable by the driver when the pedal arm rotates upward to be supported by the support lever. ### Claim 2 (depends on 1) The foldable pedal apparatus of claim 1, wherein the foldable pedal apparatus turns into the pop-up state in which the pedal assembly is manipulable by the driver when the pedal arm rotates downward to be released from the support lever. ### Claim 3 (depends on 1) The foldable pedal apparatus of claim 1, wherein the pedal assembly includes first and second pedal assemblies that have identical configurations and that are spaced apart in a first direction and in a second direction of the pedal arm, and wherein, the first pedal assembly is a pedal assembly of an accelerator pedal apparatus generating a signal relating to acceleration of the vehicle during manipulation thereof by the driver, and the second pedal assembly is a pedal assembly of a brake pedal apparatus generating a signal relating to braking of the vehicle. ### Claim 4 (depends on 1) The foldable pedal apparatus of claim 1, further including a motor fixed to the footrest panel and coupled to the pedal arm to rotate the pedal arm during operation of the motor. ### Claim 5 (depends on 4) The foldable pedal apparatus of claim 4, wherein the pedal arm includes: a rotation portion connected to the motor at an upper end thereof; a support portion bending from the rotation portion to contact, and be supported, by a floor of the footrest panel when the pedal assembly is in the pop-up state; and a pair of shaft portions which respectively protrude in a first direction and in a second direction from a connecting point between the rotation portion and the support portion and to which the pedal assembly is operably coupled. ### Claim 6 (depends on 5) The foldable pedal apparatus of claim 5, wherein the support lever is provided to be rotatable via the lever spring elastically supporting the support lever in the center fascia panel, and wherein the foldable pedal apparatus turns into the hide state in which the pedal assembly is not manipulable by the driver when the pedal arm rotates upward so that the support portion is supported by the support lever. ### Claim 7 (depends on 5) The foldable pedal apparatus of claim 5, wherein the support lever is provided to be rotatable via the lever spring in the center fascia panel, and wherein the foldable pedal apparatus turns into the pop-up state in which the pedal assembly is manipulable by the driver when the pedal arm rotates downward so that the support portion is supported by the floor of the footrest panel. ### Claim 8 (depends on 5) The foldable pedal apparatus of claim 5, wherein the pedal assembly includes first and second pedal assemblies that have identical configurations and that are respectively coupled to the shaft portions of the first and second pedal assemblies, and wherein the first pedal assembly coupled to the shaft portion on the first direction is a pedal assembly of an accelerator pedal apparatus generating a signal relating to acceleration of the vehicle during manipulation thereof by the driver, and the second pedal assembly coupled to the shaft portion on the second direction is a pedal assembly of a brake pedal apparatus generating a signal relating to braking of the vehicle. ### Claim 9 (depends on 5) The foldable pedal apparatus of claim 5, wherein the pedal assembly includes: a pedal pad fitted over a corresponding shaft portion among the shaft portions to be manipulated by the driver; and a return spring supported by the corresponding shaft portion and the pedal pad to elastically support the pedal pad, wherein the pedal pad is manipulated to move straight in a manipulation direction of the driver. ### Claim 10 (depends on 9) The foldable pedal apparatus of claim 9, wherein the pedal pad includes: a manipulation portion which is a part manipulated by the driver and by which the return spring is supported at an end thereof; and a housing portion connected to the manipulation portion and fitted over the corresponding shaft portion to move straight with respect to the corresponding shaft portion during manipulation of the manipulation portion. ### Claim 11 (depends on 10) The foldable pedal apparatus of claim 10, wherein the corresponding shaft portion and the housing portion have elliptical cross-sections and major axes thereof extend in the manipulation direction of the pedal pad, and wherein the major axis of the elliptical cross-section of the housing portion is greater than the major axis of the elliptical cross-section of the corresponding shaft portion so that the housing portion moves straight with respect to the corresponding shaft portion during the manipulation of the manipulation portion. ### Claim 12 (depends on 10) The foldable pedal apparatus of claim 10, wherein the signal generating portion includes: a pressure sensor fixed to the corresponding shaft portion to generate an electrical signal upon contacting with the manipulation portion in response to manipulation of the pedal pad; and a printed circuit board (PCB) fixed to the corresponding shaft portion to generate a signal relating to the pedal function upon receiving the electrical signal of the pressure sensor. ### Claim 13 (depends on 12) The foldable pedal apparatus of claim 12, wherein an air gap is provided between the manipulation portion of the pedal pad and the pressure sensor, a depth of the air gap being predetermined based on non-manipulation of the pedal pad by the driver. ### Claim 14 (depends on 12) The foldable pedal apparatus of claim 12, wherein the PCB is inserted into the corresponding shaft portion, and wherein a cover sealing an opening hole of the corresponding shaft portion is coupled to one end portion of the corresponding shaft portion to prevent detachment of the PCB from the corresponding shaft portion. ### Claim 15 (depends on 10) The foldable pedal apparatus of claim 10, wherein the signal generating portion includes: a permanent magnet coupled to the manipulation portion of the pedal pad; and a printed circuit board (PCB) coupled to the corresponding shaft portion to face the permanent magnet, wherein the PCB is configured to recognize changes in magnetic flux of the permanent magnet when the pedal pad moves by manipulation of the driver and generates a signal relating to the pedal function of the vehicle. ### Claim 16 (depends on 15) The foldable pedal apparatus of claim 15, wherein the PCB is inserted into the corresponding shaft portion, and wherein a cover sealing an opening hole of the corresponding shaft portion is coupled to one end portion of the corresponding shaft portion to prevent detachment of the PCB from the corresponding shaft portion. ### Claim 17 (depends on 10) The foldable pedal apparatus of claim 10, wherein the return spring is supported by the manipulation portion at a first end portion of the return spring and supported by the corresponding shaft portion at a second end portion of the return spring through the pressure sensor so that the return spring is provided not to interfere with the pressure sensor. ### Claim 18 (depends on 5) The foldable pedal apparatus of claim 5, wherein the support portion of the pedal arm extends in a direction closest to an operating direction of the pedal assembly when the support portion of the pedal arm contacts with and is supported by the floor of the footrest panel. ### Claim 19 A foldable pedal apparatus for a vehicle, the foldable pedal apparatus comprising: a pedal arm rotatably provided in a footrest panel; a pedal assembly provided in the pedal arm and operated in response to manipulation of a driver; a signal generating portion provided in the pedal assembly to generate a signal relating to a pedal function during operation of the pedal assembly; and a motor fixed to the footrest panel and coupled to the pedal arm to rotate the pedal arm during operation of the motor, wherein the foldable pedal apparatus turns into a hide state in which the pedal assembly is not manipulable by the driver when the pedal assembly is covered by a center fascia panel by rotation of the pedal arm and turns into a pop-up state in which the pedal assembly is manipulable by the driver when the pedal assembly is exposed from the center fascia panel by rotation of the pedal arm, and wherein the pedal arm includes: a rotation portion connected to the motor at an upper end thereof; a support portion bending from the rotation portion to contact, and be supported, by a floor of the footrest panel when the pedal assembly is in the pop-up state; and a pair of shaft portions which respectively protrude in a first direction and in a second direction from a connecting point between the rotation portion and the support portion and to which the pedal assembly is operably coupled.