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2. 发明授权

US5960939A Position detecting, rotary switch with movable contact-rotor assembly including relative rotary moment inhibiting structure 失效
标题翻译：位置检测，具有可动接触转子组件的旋转开关，包括相对旋转力矩抑制结构
公开(公告)号：US5960939A
公开(公告)日：1999-10-05
申请号：US951604
申请日：1997-10-17
申请人： Nobuaki Miki , Takenori Kano , Takuo Shimizu , Takuji Akiyama , Munetaka Torii
发明人： Nobuaki Miki , Takenori Kano , Takuo Shimizu , Takuji Akiyama , Munetaka Torii
IPC分类号： B60K20/00 , F16H59/10 , H01H1/36 , H01H1/44 , H01H1/46 , H01H21/02 , H01H21/34 , H01H1/50 , H01H19/58 , H01H21/18
CPC分类号： H01H1/365 , F16H59/105 , H01H1/44 , H01H1/46 , H01H21/34 , H01H2300/02
摘要： In a position detecting switch, a first movable contact is disposed in a first receptacle formed in a sliding body and is urged toward a casing member by a first spring so as to engage first and second stationary contacts mounted in the casing member when the sliding body is in a selected position. In order to prevent non-contact due to rotating moment of the first movable contact relative to the stationary contacts one or more features for inhibiting or reducing the relative moment are provided such as: (1) The first and second stationary contacts can be urged toward the first movable contact by fourth and fifth springs. (2) An elastic member or members can be disposed in a clearance between end walls of the sliding body and walls of the first receptacle. (3) The first spring can be restrained to apply its load to a substantially middle portion of the movable contact. (4) A plurality of the first springs can be provided to apply load the movable contact at a plurality of locations in a lengthwise direction. (5) An interval between the first and second stationary contacts can be increased. (6) An auxiliary receptacle member can be provided in the contact receptacle in the sliding body. (7) A lid can be disposed in the opening of the contact receptacle and have an opening larger than the movable contact but smaller than the contact receptacle.
摘要翻译：在位置检测开关中，第一可移动触点设置在形成于滑动体中的第一容器中，并且通过第一弹簧被推向壳体构件，从而与安装在壳体构件中的第一和第二固定触点接合，当滑动体处于选定位置。为了防止由于第一可动触点相对于固定触点的转动矩而导致的非接触，提供了用于抑制或减小相对力矩的一个或多个特征，例如：（1）第一和第二固定触点可被推向第四和第五弹簧的第一动触点。（2）弹性构件可以设置在滑动体的端壁与第一容器的壁之间的间隙中。（3）可以限制第一弹簧将其负载施加到可动触点的大致中间部分。（4）可以设置多个第一弹簧以在长度方向上的多个位置处施加负载可动触头。（5）可以增加第一和第二静止触点之间的间隔。（6）可以在滑动体中的接触插座中设置辅助容座构件。（7）盖可以设置在接触插座的开口中，并且具有比可动触点大的开口，但小于接触插座。

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