# US 12,180,773 B2 · Damping hinge > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,180,773 B2 - Document ID: US12180773B2 - Status: Granted - Kind: B2 - Application number: 17/653,284 - Filed: 2022-03-02 - Published: 2022-06-16 - Granted: 2024-12-31 - Earliest claimed: 2019-07-29 - Assignees: Fuzhou Autran Industrial Co., Ltd. - Applicants: Fuzhou Autran Industrial Co., Ltd. - Inventors: Liang Xue; Fan Chen - Web page: https://patentgrep.com/patent/US12180773B2 ## CPC - E05F 3/20: in hinges - E05D 3/02: with one pin - E05D 5/0246: {for attachment to glass panels} - E05D 5/04: Flat flaps - E05F 3/04: with liquid piston brakes (rotary type E05F3/14) - E05F 5/06: Buffers {or stops limiting opening of swinging wings, e.g. floor or wall stops}(E05F5/02 takes precedence) - E05D 2003/027: {the end knuckles being mutually connected} - E05Y 2201/256: with pistons or vanes - E05Y 2201/264: linear - E05Y 2201/499: Spring tensioners; Tension sensors - E05Y 2600/10: Adjustable - E05Y 2600/502: Clamping - E05Y 2900/132: Doors - E05Y 2900/148: Windows - E05F: DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING - 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 Provided is a damping hinge for controlled closing of a door or gate. The damping hinge includes a first clamp plate configured to be mounted to a fixed supporting panel; a second clamp plate configured to be mounted to a panel of the door or gate, wherein the second clamp plate is connected with the first clamp plate for relative rotation about a hinge axis; and a damping mechanism arranged on at least one of the first clamp plate and the second clamp plate including a damper arranged substantially parallel to the hinge axis and configured to impact relative rotation of the second clamp plate towards the first clamp plate during closing of the hinge. The damping mechanism may be arranged such that the damping mechanism may be located outside of a plane of the respective panel and adjacent or next to an outer or facing surface of that panel. ## Claims ### Claim 1 A damping hinge for controlled closing of a door or gate, comprising: a first clamp plate configured to be mounted to a fixed supporting panel; a second clamp plate configured to be mounted to a panel of the door or gate, wherein the second clamp plate is connected with the first clamp plate for relative rotation thereto about a hinge axis; and a damping mechanism arranged on at least one of the first clamp plate and the second clamp plate, the damping mechanism including a linear damper arranged substantially parallel to the hinge axis and configured to retard or control relative rotation of the second clamp plate towards the first clamp plate during closing of the hinge; wherein one end of the linear damper is operatively fixed and an opposite end of the linear damper is provided with a movable pressure member constrained to move in the damping mechanism in a direction parallel to the hinge axis, and wherein the movable pressure member of the damping mechanism on said first or second clamp plate has a surface which engages with a surface of an actuating member that extends from the other clamp plate to effect movement of the movable pressure member in the direction parallel to the hinge axis upon relative rotation of the second clamp plate towards the first clamp plate to transmit a force to the linear damper during closing of the door or gate. ### Claim 2 (depends on 1) The damping hinge according to claim 1, wherein the damping mechanism is arranged on the first clamp plate or the second clamp plate such that the damping mechanism will be located outside of a plane of the respective panel and adjacent or next to an outer or facing surface of that panel. ### Claim 3 (depends on 1) The damping hinge according to claim 1, further comprising a damper base provided on the said clamp plate on which the damping mechanism is arranged, wherein the damping mechanism is arranged on the damper base. ### Claim 4 (depends on 3) The damping hinge according to claim 3, wherein the damper base is arranged in a hollow or cavity formed in said clamp plate such that the damping mechanism is positioned adjacent or next to an outer or facing surface of the respective panel. ### Claim 5 (depends on 1) The damping hinge according to claim 1, wherein the actuating member and the movable pressure member are configured for rolling engagement with one another, the rolling engagement causing movement of the movable pressure member vertically upon relative rotation of the second clamp plate towards the first clamp plate about the hinge axis to transmit force to the damper which, in turn, retards or controls closing of the hinge. ### Claim 6 (depends on 5) The damping hinge according to claim 5, wherein the movable pressure member has a follower roller configured for rolling engagement with the actuating member, an outer surface of the follower roller being configured for rolling engagement with a surface of the actuating member in the manner of a cam follower, and wherein the surface of the actuating member is an inclined surface. ### Claim 7 (depends on 6) The damping hinge according to claim 6, wherein the movable pressure member has at least one guide roller in rolling engagement with a wall or a surface of the clamp plate, on which the linear damper is arranged, for rolling movement in a vertical direction to transmit the force to the linear damper. ### Claim 8 (depends on 7) The damping hinge according to claim 7, wherein the at least one guide roller is in rolling engagement with the follower roller, the at least one guide roller having a larger diameter portion in rolling engagement with the follower roller and a smaller diameter portion in rolling engagement with the wall or surface of the clamp plate, on which the linear damper is arranged, for rolling movement in the vertical direction. ### Claim 9 (depends on 1) The damping hinge according to claim 1, wherein a damping mechanism is arranged on each of the first clamp plate and the second clamp plate, and wherein each damping mechanism includes a linear damper arranged substantially parallel to the hinge axis and configured to retard or control relative rotation of the second clamp plate towards the first clamp plate during closing of the hinge. ### Claim 10 A damping hinge for controlled closing of a glass door or gate, comprising: a first clamp plate configured to be mounted to a supporting structure; a second clamp plate configured to be mounted to a panel of the door or gate, wherein the second clamp plate is connected with the first clamp plate for relative rotation thereto about a vertical hinge axis; a damping mechanism arranged on either or each of the first clamp plate and the second clamp plate and having a linear damper that extends substantially parallel to the hinge axis, wherein one end of the damper is operatively fixed and an opposite end of the damper is operatively connected to a movable pressure member that is movable vertically to transmit force to the damper; and an actuating member that extends towards the clamp plate on which the damping mechanism is arranged from the other clamp plate to operatively engage with the movable pressure member; wherein the actuating member and the movable pressure member are configured for rolling engagement, the rolling engagement between the actuating member and the movable pressure member causing movement of the movable pressure member vertically upon relative rotation of the second clamp plate towards the first clamp plate about the hinge axis to transmit force to the damper which, in turn, retards or controls closing of the hinge. ### Claim 11 (depends on 10) The damping hinge according to claim 10, wherein the movable pressure member has a roller for rolling engagement with the actuating member, and wherein an outer surface of the roller is configured for rolling engagement with a surface of the actuating member in the manner of a cam follower. ### Claim 12 (depends on 11) The damping hinge according to claim 11, wherein the surface of the actuating member is an inclined surface. ### Claim 13 (depends on 10) The damping hinge according to claim 10, wherein the damping mechanism is arranged such that the linear damper is positioned outside of a plane of the panel adjacent or next to an outer or facing surface of the panel. ### Claim 14 (depends on 10) The damping hinge according to claim 10, wherein a damping mechanism is arranged on each of the first clamp plate and second clamp plate, wherein each damping mechanism includes a linear damper which is arranged vertically. ### Claim 15 A damping hinge for controlled closing of a door or gate, comprising: a first clamp plate configured to be mounted to a fixed supporting panel; a second clamp plate configured to be mounted to a panel of the door or gate, wherein the second clamp plate is connected with the first clamp plate for relative rotation thereto about a hinge axis; and a damping mechanism arranged on at least one of the first clamp plate and the second clamp plate including a damper arranged substantially parallel to the hinge axis and configured to retard or control relative rotation of the second clamp plate towards the first clamp plate during closing of the hinge; wherein a movable pressure member provided at one end of the damper is movable in a vertical direction to transmit a force to the damper during closing of the door or gate, and wherein the movable pressure member includes a follower roller configured to engage with a surface of an actuating member extending from the other clamp plate to effect the vertical movement of the movable pressure member upon relative rotation of the second clamp plate towards the first clamp plate. ### Claim 16 (depends on 15) The damping hinge according to claim 15, wherein the movable pressure member is configured for rolling movement in the clamp plate, on which the linear damper is arranged, in the vertical direction to transmit the force to the damper. ### Claim 17 (depends on 15) The damping hinge according to claim 15, wherein the movable pressure member includes at least one guide roller in rolling engagement with a wall or a surface of the clamp plate, on which the linear damper is arranged, for rolling movement in the vertical direction to transmit the force to the damper. ### Claim 18 (depends on 17) The damping hinge according to claim 17, wherein the at least one guide roller is in rolling contact or rolling engagement with the follower roller. ### Claim 19 (depends on 17) The damping hinge according to claim 17, wherein the at least one guide roller has a larger diameter portion in rolling engagement with the follower roller and a smaller diameter portion in rolling engagement with the wall or surface of the clamp plate, on which the linear damper is arranged, for rolling movement in the vertical direction. ### Claim 20 (depends on 15) The damping hinge according to claim 15, further comprising a damping adjustment device having an element, such as an adjustment screw, for setting an effective stroke or a working stroke of the damper.