# US 2026/0296277 A1 · Child safety seat > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0296277 A1 - Document ID: US20260296277A1 - Status: Published application - Kind: A1 - Application number: 19/490,226 - Filed: 2024-06-05 - Published: 2026-10-01 - Earliest claimed: 2023-06-05 - Assignees: Wonderland Switzerland AG - Applicants: Wonderland Switzerland AG - Inventors: Manqun CHENG; Guozhu ZENG; Xiaolong MO - Web page: https://patentgrep.com/patent/US20260296277A1 ## CPC - B60N 2/5642: {with circulation of air through a layer inside the seat} - B60N 2/2818: {characterised by guiding means for children belts} - B60N 2/2881: {Upholstery, padded or cushioned members therefor} - B60N: SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR ## Abstract A child safety seat includes: a seat; a seat cushion arranged on the seat; a heating apparatus detachably arranged in the seat cushion; a control apparatus arranged in the seat, the heating apparatus being electrically connected to the control apparatus; a first temperature measuring apparatus arranged on the seat cushion and communicably connected to the control apparatus, the first temperature measuring apparatus being configured to measure a real-time temperature of the heating apparatus; and a thermal safety apparatus arranged on the heating apparatus and configured to cause the heating apparatus to stop heating when the heating apparatus reaches a first preset temperature. The heating apparatus includes: a heating member; and a flame-retardant member, the heating member being arranged in the flame-retardant member. The first temperature measuring apparatus is arranged on the flame-retardant member, and the thermal safety apparatus is arranged at the heating member. ## Claims ### Claim at position 1 1-6. (canceled) ### Claim 7 A child safety seat, comprising: a seat comprising an upper cover; a plurality of fans and a plurality of air guide members having a hollow air duct and a plurality of vents, the vents being arranged on a side facing the upper cover and in fluid communication with the air duct, wherein the plurality of air guide members are in fluid communication with the plurality of fans respectively, the plurality of air guide members are spaced apart on two lateral sides of the upper cover respectively, and a recess is formed by the plurality of air guide members and the upper cover. ### Claim 8 (depends on 7) The child safety seat according to claim 7, wherein the child safety seat further comprises a fixed plate being fixedly connected to at least two air guide members of the plurality of air guide members, and a channel is formed by the fixed plate and the recess. ### Claim 9 (depends on 8) The child safety seat according to claim 8, wherein the air guide members are each provided with a carrying rib, the upper cover is provided with a first rib extending along a vertical direction, and a carrying hole is arranged in a side wall of the first rib, the carrying rib is inserted into the carrying hole to fix the air guide member to the upper cover. ### Claim 10 (depends on 9) The child safety seat according to claim 9, wherein the upper cover is further provided with a second rib extending along a horizontal direction, and the first rib and the second rib form a reinforcing groove in the upper cover, the reinforcing groove is provided with a ventilation opening, and an end of the carrying rib passing through the carrying hole is provided with an air opening in fluid communication with the air duct and in fluid communication with the upper cover through the ventilation opening. ### Claim 11 (depends on 7) The child safety seat according to claim 7, wherein the air guide member further comprises an air outlet port in fluid communication with the air duct, the air outlet port is closer to the fan than the vent, and the child safety seat further comprises: a support cushion assembly being detachably mounted on the seat a cavity being formed inside the support cushion assembly, an air hole in fluid communication with the cavity being formed on a bottom surface of the support cushion assembly, and the air hole being configured such that the air hole is in fluid communication with the air outlet port when the support cushion assembly is mounted on the seat. ### Claim 12 (canceled) ### Claim 13 (depends on 12) The child safety seat according to claim 12, wherein the support cushion assembly is provided with a connecting member, and the air hole is formed in the connecting member, the connecting member being at least partially inserted into the air outlet port to enter the air duct, wherein the connecting member comprises a windward portion in fluid communication with the air hole and a windshielding portion that separates fluid communication between the fan and the ventilation hole. ### Claim 14 (depends on 12) The child safety seat according to claim 12, further comprising: a shielding sheet pivotably arranged on an upper surface of the upper cover or seat cloth, one side of the shielding sheet being provided with a hole-blocking member, wherein the shielding sheet is pivotable between an open position and a closed position, at the closed position, the hole-blocking member closes the ventilation hole, and at the open position, the hole-blocking member does not close the ventilation hole to allow the air hole to be in fluid communication with the air outlet port. ### Claim 15 (depends on 12) The child safety seat according to claim 12, further comprising: a connecting member pivotably connected to an air duct upper cover and pivotable between a first position for blocking the air outlet port and a second position for blocking the air duct. ### Claim 16 (depends on 12) The child safety seat according to claim 12, wherein the support cushion assembly comprises: a cushion body provided with a through groove; and a cushion core arranged in the through groove; wherein a thickness of the cushion core is less than a depth of the through groove, so that when the cushion core is arranged in the through groove, the cavity is formed in the through groove. ### Claim 17 (depends on 7) The child safety seat according to claim 7, wherein the upper cover is provided with a through hole configured to allow a safety belt length adjustment end to pass through, the through hole being in communication with the recess. ### Claim 18 (depends on 11) The child safety seat according to claim 11 wherein the child safety seat further comprises: a connecting member arranged on either of the seat and the support cushion assembly and capable of being inserted into the air outlet port to block a fluid communication between the fan and the vent.