# US 11,026,547 B2 · Child toilet seat assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,026,547 B2 - Document ID: US11026547B2 - Status: Granted - Kind: B2 - Application number: 16/226,901 - Filed: 2018-12-20 - Published: 2019-06-27 - Granted: 2021-06-08 - Earliest claimed: 2017-12-22 - Assignees: Bemis Manufacturing Company - Applicants: Bemis Manufacturing Company - Inventors: Jonathan Arndt - Web page: https://patentgrep.com/patent/US11026547B2 ## CPC - A47K 13/06: Auxiliary or portable seats for children - A47K 13/12: Hinges - A47K 13/24: Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22 - A47K 13/26: Mounting devices for seats or covers - E05D 11/1007: {with positive locking} - E05D 11/1014: {for maintaining the hinge in only one position, e.g. closed} - E05D 11/105: {the maintaining means acting perpendicularly to the pivot axis} - A47K 13/245: {Devices for locking the cover in the open position} - E05Y 2999/00: Subject-matter not otherwise provided for in this subclass - A47K: SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES - E05D: HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS (pivotal connections in general F16C11/00) - E05Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF ## Abstract A child toilet seat assembly includes a base member configured to be coupled to an adult toilet seat assembly having an adult toilet seat and a lid pivotably coupled to a hinge post. The child toilet seat assembly also includes a child toilet seat coupled to the base member via a hinge joint. The hinge joint enables the child toilet seat to pivot about a pivot axis between an operating position and a storage position. The hinge joint also enables the child toilet seat to move along a translational axis between a locked state inhibiting movement of the child toilet seat relative to the base member and an unlocked state allowing movement of the child toilet seat relative to the base member. ## Claims ### Claim 1 A child toilet seat assembly comprising: a base member configured to be coupled to an adult toilet seat assembly having an adult toilet seat and a lid pivotably coupled to a hinge post; and a child toilet seat coupled to the base member via a hinge joint, the hinge joint enables the child toilet seat to pivot about a pivot axis between an operating position and a storage position, the hinge joint also enables the child toilet seat to move along a translational axis between a locked state inhibiting movement of the child toilet seat relative to the base member and an unlocked state allowing movement of the child toilet seat relative to the base member; wherein the child toilet seat is configured to automatically move with the lid into the storage position by lifting the lid. ### Claim 2 (depends on 1) The child toilet seat assembly of claim 1, wherein the base member is configured to be coupled to the lid of the adult toilet seat assembly. ### Claim 3 (depends on 2) The child toilet seat assembly of claim 2, wherein the base member is configured to be selectively coupled to the lid. ### Claim 4 (depends on 1) The child toilet seat assembly of claim 1, wherein the pivot axis is a child seat pivot axis, wherein the child toilet seat is configured to pivot about the child seat pivot axis when the child toilet seat is in the unlocked state, and wherein the child toilet seat is configured to pivot about an adult seat pivot axis that is non-collinear with the child seat pivot axis when the child toilet seat is in the locked state. ### Claim 5 (depends on 1) The child toilet seat assembly of claim 1, wherein the hinge joint includes a protrusion formed on one of the base member and the child toilet seat, wherein the hinge joint also includes a recess formed in the other one of the base member and the child toilet seat, and wherein the protrusion is received within the recess enabling the child toilet seat to pivot about the pivot axis and to move along the translational axis. ### Claim 6 (depends on 5) The child toilet seat assembly of claim 5, wherein one of the protrusion and the recess includes a tab, wherein the other one of the protrusion and the recess includes a notch, wherein the tab is received within the notch when the child toilet seat is in the locked state, and wherein the tab is spaced from the notch when the child toilet seat is in the unlocked state. ### Claim 7 (depends on 6) The child toilet seat assembly of claim 6, wherein the base member includes a step and the child toilet seat includes a lip, wherein the lip is engageable with the step when the child toilet seat is in the locked state, and wherein the lip is spaced from the step when the child toilet seat is in the unlocked state. ### Claim 8 (depends on 5) The child toilet seat assembly of claim 5, wherein the base member includes a step and the child toilet seat includes a lip, wherein the lip is engageable with the step when the child toilet seat is in the locked state, and wherein the lip is spaced from the step when the child toilet seat is in the unlocked state. ### Claim 9 (depends on 1) The child toilet seat assembly of claim 1, wherein the child toilet seat is moved away from the base member to move the child toilet seat from the locked state to the unlocked state. ### Claim 10 A child toilet seat assembly comprising: a base member configured to be coupled to an adult toilet seat assembly having an adult toilet seat and a lid pivotably coupled to a hinge post; a child toilet seat including a support surface configured to support a person; a protrusion coupled to one of the base member and the child toilet seat; and a recess formed within the other one of the base member and the child toilet seat; wherein the protrusion is received within the recess enabling the child toilet seat to pivot about a pivot axis relative to the base member between an operating position and a storage position, and wherein the protrusion is slidable within the recess between a locked state inhibiting movement of the child toilet seat relative to the base member and an unlocked state allowing movement of the child toilet seat relative to the base member; wherein the pivot axis is a child seat pivot axis, wherein the child toilet seat is configured to pivot about the child seat pivot axis when the child toilet seat is in the unlocked state, and wherein the child toilet seat is configured to pivot about an adult seat pivot axis when the child toilet seat is in the locked state. ### Claim 11 (depends on 10) The child toilet seat assembly of claim 10, wherein the base member is configured to be coupled to the lid of the adult toilet seat assembly. ### Claim 12 (depends on 11) The child toilet seat assembly of claim 11, wherein the base member is configured to be selectively coupled to the lid. ### Claim 13 (depends on 10) The child toilet seat assembly of claim 10, wherein one of the protrusion and the recess includes a tab, wherein the other one of the protrusion and the recess includes a notch, wherein the tab is received within the notch when the child toilet seat is in the locked state, and wherein the tab is spaced from the notch when the child toilet seat is in the unlocked state. ### Claim 14 (depends on 10) The child toilet seat assembly of claim 10, wherein the base member includes a step and the child toilet seat includes a lip, wherein the lip is engageable with the step when the child toilet seat is in the locked state, and wherein the lip is spaced from the step when the child toilet seat is in the unlocked state. ### Claim 15 A toilet seat system comprising: an adult toilet seat pivotable about a first pivot axis; a lid pivotable about the first pivot axis; a child toilet seat pivotable about a second pivot axis different than the first axis between an operating position and a storage position, the child toilet seat also moveable along a translational axis between a locked state inhibiting pivotable movement of the child toilet seat relative to the lid and an unlocked state allowing pivotable movement of the child toilet seat relative to the lid; and a base member coupled to the lid and the child toilet seat, wherein the base member and the child toilet seat define a hinge joint enabling the child toilet seat to move about the first pivot axis, the second pivot axis, and along the translational axis. ### Claim 16 (depends on 15) The toilet seat system of claim 15, wherein the child toilet seat is configured to pivot about the first pivot axis when the child toilet seat is in the locked state, and wherein the child toilet seat is configured to pivot about the second pivot axis when the child toilet seat is in the unlocked state. ### Claim 17 (depends on 15) The toilet seat system of claim 15, wherein the hinge joint includes a protrusion formed on one of the base member and the child toilet seat, wherein the hinge joint also includes a recess formed in the other one of the base member and the child toilet seat, and wherein the protrusion is received within the recess. ### Claim 18 (depends on 17) The toilet seat system of claim 17, wherein one of the protrusion and the recess includes a tab, wherein the other one of the protrusion and the recess includes a notch, wherein the tab is received within the notch when the child toilet seat is in the locked state, and wherein the tab is spaced from the notch when the child toilet seat is in the unlocked state. ### Claim 19 A child toilet seat assembly comprising: a base member configured to be coupled to an adult toilet seat assembly having an adult toilet seat and a lid pivotably coupled to a hinge post; and a child toilet seat coupled to the base member via a hinge joint, the hinge joint enables the child toilet seat to pivot about a pivot axis between an operating position and a storage position, the hinge joint also enables the child toilet seat to move along a translational axis between a locked state inhibiting movement of the child toilet seat relative to the base member and an unlocked state allowing movement of the child toilet seat relative to the base member; wherein the pivot axis is a child seat pivot axis, wherein the child toilet seat is configured to pivot about the child seat pivot axis when the child toilet seat is in the unlocked state, and wherein the child toilet seat is configured to pivot about an adult seat pivot axis that is non-collinear with the child seat pivot axis when the child toilet seat is in the locked state. ### Claim 20 A child toilet seat assembly comprising: a base member configured to be coupled to an adult toilet seat assembly having an adult toilet seat and a lid pivotably coupled to a hinge post; and a child toilet seat coupled to the base member via a hinge joint, the hinge joint enables the child toilet seat to pivot about a pivot axis between an operating position and a storage position, the hinge joint also enables the child toilet seat to move along a translational axis between a locked state inhibiting movement of the child toilet seat relative to the base member and an unlocked state allowing movement of the child toilet seat relative to the base member; wherein the hinge joint includes a protrusion formed on one of the base member and the child toilet seat, wherein the hinge joint also includes a recess formed in the other one of the base member and the child toilet seat, and wherein the protrusion is received within the recess enabling the child toilet seat to pivot about the pivot axis and to move along the translational axis; wherein one of the protrusion and the recess includes a tab, wherein the other one of the protrusion and the recess includes a notch, wherein the tab is received within the notch when the child toilet seat is in the locked state, and wherein the tab is spaced from the notch when the child toilet seat is in the unlocked state. ### Claim 21 A child toilet seat assembly comprising: a base member configured to be coupled to an adult toilet seat assembly having an adult toilet seat and a lid pivotably coupled to a hinge post; and a child toilet seat coupled to the base member via a hinge joint, the hinge joint enables the child toilet seat to pivot about a pivot axis between an operating position and a storage position, the hinge joint also enables the child toilet seat to move along a translational axis between a locked state inhibiting movement of the child toilet seat relative to the base member and an unlocked state allowing movement of the child toilet seat relative to the base member; wherein the hinge joint includes a protrusion formed on one of the base member and the child toilet seat, wherein the hinge joint also includes a recess formed in the other one of the base member and the child toilet seat, and wherein the protrusion is received within the recess enabling the child toilet seat to pivot about the pivot axis and to move along the translational axis; wherein the base member includes a step and the child toilet seat includes a lip, wherein the lip is engageable with the step when the child toilet seat is in the locked state, and wherein the lip is spaced from the step when the child toilet seat is in the unlocked state. ### Claim 22 A child toilet seat assembly comprising: a base member configured to be coupled to an adult toilet seat assembly having an adult toilet seat and a lid pivotably coupled to a hinge post; a child toilet seat including a support surface configured to support a person; a protrusion coupled to one of the base member and the child toilet seat; and a recess formed within the other one of the base member and the child toilet seat; wherein the protrusion is received within the recess enabling the child toilet seat to pivot about a pivot axis relative to the base member between an operating position and a storage position, and wherein the protrusion is slidable within the recess between a locked state inhibiting movement of the child toilet seat relative to the base member and an unlocked state allowing movement of the child toilet seat relative to the base member; wherein one of the protrusion and the recess includes a tab, wherein the other one of the protrusion and the recess includes a notch, wherein the tab is received within the notch when the child toilet seat is in the locked state, and wherein the tab is spaced from the notch when the child toilet seat is in the unlocked state. ### Claim 23 A child toilet seat assembly comprising: a base member configured to be coupled to an adult toilet seat assembly having an adult toilet seat and a lid pivotably coupled to a hinge post; a child toilet seat including a support surface configured to support a person; a protrusion coupled to one of the base member and the child toilet seat; and a recess formed within the other one of the base member and the child toilet seat; wherein the protrusion is received within the recess enabling the child toilet seat to pivot about a pivot axis relative to the base member between an operating position and a storage position, and wherein the protrusion is slidable within the recess between a locked state inhibiting movement of the child toilet seat relative to the base member and an unlocked state allowing movement of the child toilet seat relative to the base member; wherein the base member includes a step and the child toilet seat includes a lip, wherein the lip is engageable with the step when the child toilet seat is in the locked state, and wherein the lip is spaced from the step when the child toilet seat is in the unlocked state.