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公开(公告)号：US20130004358A1
公开(公告)日：2013-01-03
申请号：US13171337
申请日：2011-06-28
CPC分类号： F16K31/12 , F03G1/02 , F16C3/02 , F16F1/10 , F16F1/123 , F16F1/128 , F16K17/04 , F16K31/56 , Y10T29/49824 , Y10T29/49863
摘要： A rotary spring-return actuator operator is provided with a multi-slot shaft and a clock type spring retained by a retaining band which encircles the spring in such a manner as to insure that the potential energy within the spring is safely contained during all operations requiring disassembly of the actuator assembly, and wherein the retaining band facilitates the in-field reversal of the spring direction or the adjustment of the spring preload by securing the spring to one or more of the slots on the multi-slot shaft.
摘要翻译： 旋转弹簧返回致动器操作器设置有多槽轴和由围绕弹簧保持的保持带保持的时钟型弹簧，以确保弹簧中的潜在能量在所有操作期间被安全地包含，要求 致动器组件的拆卸，并且其中保持带通过将弹簧固定到多槽轴上的一个或多个狭槽来促进弹簧方向的现场反转或弹簧预载荷的调节。
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公开(公告)号：US09151351B2
公开(公告)日：2015-10-06
申请号：US13171337
申请日：2011-06-28
CPC分类号： F16K31/12 , F03G1/02 , F16C3/02 , F16F1/10 , F16F1/123 , F16F1/128 , F16K17/04 , F16K31/56 , Y10T29/49824 , Y10T29/49863
摘要： A rotary spring-return actuator operator is provided with a multi-slot shaft and a clock type spring retained by a retaining band which encircles the spring in such a manner as to insure that the potential energy within the spring is safely contained during all operations requiring disassembly of the actuator assembly, and wherein the retaining band facilitates the in-field reversal of the spring direction or the adjustment of the spring preload by securing the spring to one or more of the slots on the multi-slot shaft.
摘要翻译： 旋转弹簧返回致动器操作器设置有多槽轴和由围绕弹簧保持的保持带保持的时钟型弹簧，以确保弹簧中的潜在能量在所有操作期间被安全地包含，要求 致动器组件的拆卸，并且其中保持带通过将弹簧固定到多槽轴上的一个或多个狭槽来促进弹簧方向的现场反转或弹簧预载荷的调节。
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