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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 The indicator is positioned to project beyond the surface when the regulation screw is withdrawn to a reference position relative to the body.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：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：US10961760B2
公开(公告)日：2021-03-30
申请号：US16271184
申请日：2019-02-08
发明人： Adithya G. Shetty , Jonah M. Pattar , Colins V. Jacob , Mitchell T. Barbon , David V. Toloday , Paul Koeske
摘要： An exemplary door closer includes a housing defining a hydraulic chamber having a hydraulic fluid disposed therein. A pinion is rotatably mounted to the housing and extends into the hydraulic chamber. A piston is mounted for reciprocal movement within the housing, and defines a rack engaged with the pinion. The housing further defines an aperture in fluid communication with the hydraulic chamber. A regulating screw is rotatably mounted within the aperture such that rotation of the regulating screw in a first direction advances the regulating screw into the hydraulic chamber and such that rotation of the regulating screw in an opposite second direction withdraws the regulating screw away from the hydraulic chamber. A stop member is mounted in the aperture such that the stop member limits withdrawing movement of the regulating screw to thereby prevent leaking of the hydraulic fluid from the hydraulic chamber via the aperture.
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公开(公告)号：US20200256108A1
公开(公告)日：2020-08-13
申请号：US16271184
申请日：2019-02-08
发明人： Adithya G. Shetty , Jonah M. Pattar , Colins V. Jacob , Mitchell T. Barbon , David V. Toloday , Paul Koeske
IPC分类号： E05F3/10
摘要： An exemplary door closer includes a housing defining a hydraulic chamber having a hydraulic fluid disposed therein. A pinion is rotatably mounted to the housing and extends into the hydraulic chamber. A piston is mounted for reciprocal movement within the housing, and defines a rack engaged with the pinion. The housing further defines an aperture in fluid communication with the hydraulic chamber. A regulating screw is rotatably mounted within the aperture such that rotation of the regulating screw in a first direction advances the regulating screw into the hydraulic chamber and such that rotation of the regulating screw in an opposite second direction withdraws the regulating screw away from the hydraulic chamber. A stop member is mounted in the aperture such that the stop member limits withdrawing movement of the regulating screw to thereby prevent leaking of the hydraulic fluid from the hydraulic chamber via the aperture.
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