# US 10,309,142 B2 · Double door with coordinator brake > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,309,142 B2 - Document ID: US10309142B2 - Status: Granted - Kind: B2 - Application number: 15/300,200 - Filed: 2015-03-25 - Published: 2017-06-29 - Granted: 2019-06-04 - Earliest claimed: 2014-03-31 - Assignees: Assa Abloy Entrance Systems AB - Applicants: ASSA ABLOY Entrance Systems AB - Inventors: Sven-Gunnar Söderqvist - Web page: https://patentgrep.com/patent/US10309142B2 ## CPC - E05F 5/12: specially for preventing the closing of a wing before another wing has been closed - E05F 3/00: Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices (construction of non-pneumatic or non-liquid braking devices E05F5/00; friction devices in hinges E05D11/08) - E05F 15/611: for swinging wings - E05Y 2900/132: Doors - 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 - 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 Double door system (1) comprising an understriking door leaf (2), an overstriking door leaf (3) and a mechanical brake arrangement (100, 200, 300, 400), wherein the mechanical brake arrangement (100, 200, 300, 400) comprises a braking means (101, 102, 201, 202, 301, 302, 401, 402) arranged to brake the movement of the overstriking door leaf (3), and a first controlling means (103, 203, 303, 403) and a second controlling means (104, 204, 304, 404), which are mechanically operated, wherein the first controlling means (103, 203, 303, 403) is arranged to control the braking of the braking means (101, 102, 201, 202, 301, 302, 401, 402) in relation to the position of the understriking door leaf (2). Mechanical brake arrangement (100, 200, 300, 400) for controlling the movement of one of the door leafs of the double door system. A door operator system (10) comprising the mechanical brake arrangement (100, 200, 300, 400). ## Claims ### Claim 1 A double door system comprising an understriking door leaf, an overstriking door leaf, a first door operator adapted to move the understriking door leaf between an open and a closed position, a second door operator adapted to move the overstriking door leaf between an open and a closed position and a mechanical brake arrangement, wherein the understriking door leaf should be closed before the overstriking door leaf to close the double door, and wherein the mechanical brake arrangement comprises a braking means 201 arranged to brake the movement of the overstriking door leaf, and a first controlling means and a second controlling means, which are mechanically operated, wherein the first controlling means is arranged to control the braking of the braking means in relation to the position of the understriking door leaf, and wherein the second controlling means is arranged to control the braking of the braking means in relation to the position of the overstriking door leaf. ### Claim 2 (depends on 1) The double door system according to claim 1, wherein the first controlling means is arranged to put the braking means in a non-braking state when the understriking door leaf is in a closed condition, and wherein the second controlling means is arranged to put the braking means in a non-braking state when the overstriking door leaf is in a first opened state, which first opened state corresponds to a position of the overstriking door leaf having an angle (a) in relation to a closed position of the overstriking door leaf that is larger than a predetermined angle. ### Claim 3 (depends on 2) The double door system according to claim 2, wherein the first controlling means and the second controlling means are arranged to put the braking means in a braking state when the understriking door leaf is in an opened condition and the overstriking door leaf is in a second opened state, which second opened state corresponds to a position of the overstriking door leaf having an angle (a) in relation to a closed position of the overstriking door leaf that is equal to or smaller than said predetermined angle. ### Claim 4 (depends on 2) The double door system according to claim 2, wherein the predetermined angle is set such that the understriking door leaf could be moved into its closed position without interfering with the overstriking door leaf when the angle (a) of the overstriking door leaf is equal to or larger than the predetermined angle. ### Claim 5 (depends on 2) The double door system according to claim 2, wherein the first controlling means is movable between a braking position and a non-braking position and the second controlling means is movable between a braking position and a non-braking position, wherein the braking means is in a non-braking state when any one or both of the first controlling means and the second controlling means is in their respective non-braking position, and wherein the braking means is in a braking state when both of the first controlling means and the second controlling means are in their respective braking positions. ### Claim 6 (depends on 1, 2, 3, 4, 5) The double door system according to any one of claims 1-5, wherein the second door operator comprises a second moving part, which moves in relation to the position of the overstriking door leaf, wherein the second controlling means is coupled to the second moving part such that the second moving part moves the second controlling means between a braking position and a non-braking position. ### Claim 7 (depends on 1, 2, 3, 4, 5) The double door system according to any one of claims 1-5, wherein the first door operator comprises a first moving part, which moves in relation to the position of the understriking door leaf, wherein the first controlling means is coupled to the first moving part such that the first moving part moves the first controlling means between a braking position and a non-braking position. ### Claim 8 (depends on 1, 2, 3, 4, 5) The double door system according to any one of claims 1-5, wherein the braking means has a passive position and an active position, wherein the braking means is in its braking state in the passive position and the braking means is in its non-braking state in the active position. ### Claim 9 (depends on 8) The double door system according to claim 8, wherein the first controlling means (103, 203, 303, 403) and the second controlling means are arranged to mechanically move the braking means from its passive position to its active position. ### Claim 10 (depends on 1, 2, 3, 4, 5) The double door system according to any one of claims 1-5, wherein the mechanical brake arrangement comprises a one-way clutch arranged to transfer any braking action of the braking means to the overstriking door leaf in a closing direction of the overstriking door leaf and to allow movement of the overstriking door leaf in an opening direction of the overstriking door leaf regardless of the state of the braking means. ### Claim 11 (depends on 1, 2, 3, 4, 5) The double door system according to any one of claims 1-5, wherein the mechanical brake arrangement is operable in a powerless condition. ### Claim 12 A mechanical brake arrangement for controlling the movement of one of the door leafs of a double door system comprising an understriking door leaf and an overstriking door leaf, where the understriking door leaf should be closed before the overstriking door leaf to close the double door, wherein the mechanical brake arrangement comprises a braking means arranged to brake a movement of the overstriking door leaf, a first controlling means and a second controlling means, which are mechanically operated, wherein the first controlling means is arranged to control the braking of the braking means in relation to the position of the understriking door leaf, and wherein the second controlling means is arranged to control the braking of the braking means in relation to the position of the overstriking door leaf. ### Claim 13 (depends on 12) The mechanical brake arrangement according to claim 12, wherein the first controlling means is arranged to put the braking means in a non-braking state when the understriking door leaf is in a closed condition, and wherein the second controlling means is arranged to put the breaking means in a non-braking state when the overstriking door leaf is in a first opened state, which first opened state corresponds to a position of the overstriking door leaf having an angle (a) in relation to a closed position of the overstriking door leaf that is larger than a predetermined angle. ### Claim 14 (depends on 13) The mechanical brake arrangement according to claim 13, wherein the second controlling means is arranged to put the braking means in a braking state when the understriking door leaf is in an opened condition and the overstriking door leaf is in a second opened state, which second opened state corresponds to a position of the overstriking door leaf having an angle (a) in relation to a closed position of the overstriking door leaf that is equal to or smaller than said predetermined angle. ### Claim 15 (depends on 13) The mechanical brake arrangement according to claim 13, wherein the predetermined angle (a) is set such that the understriking door leaf could be moved into its closed position without interfering with the overstriking door leaf when the angle (a) of the overstriking door leaf is equal to or larger than the predetermined angle. ### Claim 16 (depends on 12, 13, 14, 15) The mechanical brake arrangement according to any one of claims 12-15, wherein the first controlling means is movable between a braking position and a non-braking position and the second controlling means is movable between a braking position and a non-braking position, wherein the braking means is in a non-braking state when any one or both of the first controlling means and the second controlling means is in their respective non-braking position, and wherein the braking means is in a braking state when both of the first controlling means and the second controlling means are in their respective braking positions. ### Claim 17 (depends on 12, 13, 14, 15) The mechanical brake arrangement according to any one of claims 12-15, wherein the second controlling means is arranged to be coupled to a second moving part of a second door operator of the overstriking door leaf such that the second moving part moves the second controlling means between a braking position and a non-braking position. ### Claim 18 (depends on 12, 13, 14, 15) The mechanical brake arrangement according to any one of claims 12-15, wherein the first controlling means is arranged to be coupled to a first moving part of a first door operator of the understriking door leaf such that the first moving part moves the first controlling means between a braking position and a non-braking position. ### Claim 19 (depends on 12, 13, 14, 15) The mechanical brake arrangement according to any one of claims 12-15, wherein the braking means has a passive position and an active position, wherein the braking means is in its braking state in the passive position and the braking means is in its non-braking state in the active position. ### Claim 20 (depends on 19) The mechanical brake arrangement according to claim 19, wherein the first controlling means and the second controlling means are arranged to mechanically move the braking means from its passive position to its active position. ### Claim 21 (depends on 12, 13, 14, 15) The mechanical brake arrangement according to any one of claims 12-15, wherein the mechanical brake arrangement comprises a one-way clutch arranged to transfer any braking action of the braking means to the overstriking door leaf in a closing direction of the overstriking door leaf and to allow movement of the overstriking door leaf in an opening direction of the overstriking door leaf regardless of the state of the braking means. ### Claim 22 (depends on 12, 13, 14, 15) The mechanical brake arrangement according to any one of claims 12-15, wherein the mechanical brake arrangement is operable in a powerless condition. ### Claim 23 (depends on 12) A door operator system comprising a first door operator adapted to move an understriking door leaf between an open and a closed position, a second door operator adapted to move an overstriking door leaf between an open and a closed position and the mechanical brake arrangement according to claim 12.