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公开(公告)号：US11608669B1
公开(公告)日：2023-03-21
申请号：US17492108
申请日：2021-10-01
摘要： An exemplary housing assembly is configured for use with a door operator. The housing assembly generally includes a bracket configured for mounting to the door operator, a case configured to at least partially enclose the door operator, and an attachment mechanism configured to selectively couple the bracket with the case. In certain forms, the attachment mechanism includes a resilient clip arm formed on one of the bracket or the case, and a tang formed on the other of the bracket or the case. The resilient clip arm is configured to engage the tang to maintain engagement between the bracket and the case.
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公开(公告)号：US11519212B2
公开(公告)日：2022-12-06
申请号：US17184040
申请日：2021-02-24
发明人： Yong K. Lacy , Akhil Ramesh Hamsagar , Adithya Gangadhar Shetty , Vijayakumar Mani , Sundar Raj Dore Vasudevan , David V. Toloday , Kanagaraj Shanmugam
摘要： An exemplary modular hold-open device is configured for use with a door closer comprising a body, a pinion rotatably mounted to the body, and an armature connected with the pinion. The modular hold-open device is configured to be mounted to the door closer, to selectively prevent rotation of the pinion by exerting on the pinion a resistive torque in a door-opening direction, and to cease exerting the resistive torque in response to a door-closing torque on the pinion exceeding a threshold torque to thereby permit rotation of the pinion in the door-closing direction.
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公开(公告)号：US20230007921A1
公开(公告)日：2023-01-12
申请号：US17373029
申请日：2021-07-12
发明人： Colins V. Jacob , Christopher A. Salisbury , Kanagaraj Shanmugam , Zachary P. Boomer , Daniel Cannon
摘要： An exemplary door closer includes a body, a regulation screw, and an indicator. The body includes a surface and a cavity extending from the surface into the body, and the cavity includes an internal threading. The regulation screw is mounted in the cavity and includes an external threading engaged with the internal threading. The indicator is engaged with the regulation screw and positioned at least partially within the cavity. The indicator is positioned to project beyond the surface when the regulation screw is withdrawn to a reference position relative to the body.
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公开(公告)号：US20220268072A1
公开(公告)日：2022-08-25
申请号：US17184040
申请日：2021-02-24
发明人： Yong K. Lacy , Akhil Ramesh Hamsagar , Adithya Gangadhar Shetty , Vijayakumar Mani , Sundar Raj Dore Vasudevan , David V. Toloday , Kanagaraj Shanmugam
摘要： An exemplary modular hold-open device is configured for use with a door closer comprising a body, a pinion rotatably mounted to the body, and an armature connected with the pinion. The modular hold-open device is configured to be mounted to the door closer, to selectively prevent rotation of the pinion by exerting on the pinion a resistive torque in a door-opening direction, and to cease exerting the resistive torque in response to a door-closing torque on the pinion exceeding a threshold torque to thereby permit rotation of the pinion in the door-closing direction.
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