# US 11,992,161 B2 · Sound enclosure system for food blender > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,992,161 B2 - Document ID: US11992161B2 - Status: Granted - Kind: B2 - Application number: 17/096,261 - Filed: 2020-11-12 - Published: 2022-05-12 - Granted: 2024-05-28 - Earliest claimed: 2020-11-12 - Assignees: Conair Corporation - Applicants: Conair Corporation - Inventors: David William Beckstrom - Web page: https://patentgrep.com/patent/US11992161B2 ## CPC - A47J 43/0716: {for machines with tools driven from the lower side (A47J43/0727 - A47J43/08 take precedence)} - A47J 43/046: with tools driven from the bottom side - A47J 43/0777: {in which the activating element on the cover transmits a signal to a safety device in the base element via the mixing bowl removably seated on this base element, e.g. pin on the cover moves a pushrod in the bowl handle to operate safety switch in the base element} - A47J: KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES ## Abstract A sound enclosure system for a food processing device includes a first enclosure member configured to be secured to a base of the food processing device, a second enclosure member pivotally connected to the first enclosure member and moveable between an open position and a closed position, and at least one detection element associated with the second enclosure member, the detection element being configured to be detected by a controller of the food processing device so as to indicate to the controller that the second enclosure member is in the closed position. ## Claims ### Claim 1 A sound enclosure system for a food processing device, comprising: a first enclosure member configured to be secured to a base of the food processing device; a second enclosure member pivotally connected to the first enclosure member and moveable between an open position and a closed position; and at least one detection element associated with the second enclosure member, the detection element being configured to be detected by a controller of the food processing device so as to indicate to the controller that the second enclosure member is in the closed positions; wherein the at least one detection element includes a reflective element on an upper portion of the second enclosure member; and wherein the reflective element is positioned so as to reflect light emitted by a transceiver of a motor-driven scraper assembly received atop a processing container back to the transceiver when the second enclosure member is in the closed position. ### Claim 2 (depends on 1) The sound enclosure system of claim 1, wherein: the at least one detection element includes a non-contact detection element, whereby the controller of the food processing device detects the closed position of the second enclosure member without contact between a sensing device and the at least one detection element. ### Claim 3 (depends on 1) The sound enclosure system of claim 1, wherein: the at least one detection element includes a magnet positioned adjacent to a lower edge of the second enclosure member, the magnet being configured to interact with a reed switch within a base of the food processing device when the second enclosure member is in the closed position. ### Claim 4 (depends on 1) The sound enclosure system of claim 1, wherein: the reflective element is positioned on a top surface of the second enclosure member such that it is aligned with a rotation axis of the motor-driven scraper assembly when the second enclosure member is in the closed position, and such that it is offset from the rotation axis when the second enclosure member is in the open position. ### Claim 5 (depends on 1) The sound enclosure system of claim 1, wherein: the at least one detection element is a plurality of detection elements including a first detection element and a second detection element; wherein the first detection element is a magnet positioned adjacent to a lower edge of the second enclosure member, the magnet being configured to interact with a reed switch within the base of the food processing device when the second enclosure member is in the closed position; and wherein the second detection element is the reflective element on the upper portion of the second enclosure member. ### Claim 6 (depends on 1) The sound enclosure system of claim 1, further comprising: a pedestal receivable on the base of the food processing device, the pedestal being configured to receive lower edges of the first enclosure member and the second enclosure member; wherein the pedestal is formed from a vibration-dampening material. ### Claim 7 (depends on 1) The sound enclosure system of claim 1, further comprising: a gasket positioned along one of an outer peripheral edge of the first enclosure member or an inner peripheral edge of the second enclosure member and configured to provide a seal between the first enclosure member and the second enclosure member when the second enclosure member is in the closed position. ### Claim 8 A food processing system, comprising: a base having a motor, the base being configured to receiving a processing container thereon; a dasher assembly having at least one scraper blade for scraping interior sidewalls of the processing container, and a motor assembly for rotating the scraper blade; and a sound enclosure mountable on the base, the sound enclosure including a first enclosure member configured to be secured to the base, and a second enclosure member pivotally connected to the first enclosure member and moveable between an open position and a closed position, wherein when the second enclosure member is in the closed position, the sound enclosure encases the processing container and the dasher assembly; wherein the motor assembly includes an electric motor configured to rotate the scraper blade when the second enclosure member is in the closed position. ### Claim 9 (depends on 8) The food processing system of claim 8, wherein: the second enclosure element includes a non-contact detection element configured to be detected by a controller of the dasher assembly when the second enclosure member is in the closed position so as to indicate to the controller that the second enclosure member is in the closed position. ### Claim 10 (depends on 9) The food processing system of claim 9, wherein: the non-contact detection element is a reflective element on a top surface of the second enclosure member; wherein the reflective element is positioned so as to reflect light emitted by a transceiver of the scraper assembly back to the transceiver when the second enclosure member is in the closed position. ### Claim 11 (depends on 8) The food processing system of claim 8, further comprising: a first, non-contact detection mechanism associated with the base for detecting when the second enclosure member is in the closed position; and a second, non-contact detection mechanism associated with the dasher assembly for detecting when the second enclosure member is in the closed position. ### Claim 12 (depends on 11) The food processing system of claim 11, wherein: the first, non-contact detection mechanism includes a magnet positioned adjacent to a lower edge of the second enclosure member, the magnet being configured to interact with a reed switch within the base when the second enclosure member is in the closed position. ### Claim 13 (depends on 8) The food processing system of claim 8, further comprising: an optical detection mechanism associated with the dasher assembly for detecting when the second enclosure member is in the closed position. ### Claim 14 (depends on 8) The food processing system of claim 8, further comprising: a pedestal receivable on the base, the pedestal being configured to receive lower edges of the first enclosure member and the second enclosure member; wherein the pedestal is formed from a vibration-dampening material. ### Claim 15 (depends on 14) The food processing system of claim 14, further comprising: a gasket positioned along one of an outer peripheral edge of the first enclosure member or an inner peripheral edge of the second enclosure member and configured to provide a seal between the first enclosure member and the second enclosure member when the second enclosure member is in the closed position. ### Claim 16 A method for processing food items, comprising the steps of: placing a motor-driven dasher assembly atop a processing container, such that scraper blades of the dasher assembly are in close association with sidewalls of the processing container; placing processing container atop a base of a food processing device; positioning a sound enclosure in a position such that the sound enclosure encases the processing container and the dasher assembly; at the dasher assembly, detecting a closed position of the sound enclosure; and in response to the detection of the closed position of the sound enclosure, actuating a motor of the dasher assembly to rotate the scraper blades. ### Claim 17 (depends on 16) The method according to claim 16, wherein: detecting the closed position of the sound enclosure includes emitting light from the dasher assembly; and receiving, at the dasher assembly, a reflection of the light; wherein receiving the reflection of the light indicates that the sound enclosure is in the closed position. ### Claim 18 (depends on 17) The method according to claim 17, wherein: the sound enclosure includes a moveable enclosure portion having a reflective element aligned with a window in the dasher assembly through which the light is emitted when the sound enclosure is in the closed position, and which is misaligned with respect to the window when the sound enclosure is in an open position.