专利名称：Wedge lock unit
发明人：Steven E. Havelka,Paul L. Graham,Carl L.
Matschke
申请号：US05/604344
申请日：19750813
公开号：US03971186A
公开日：
19760727
专利内容由知识产权出版社提供reaction member
摘要：A wedge lock unit is disclosed for clamping a subsystem chassis with two outwardly extending spaced apart flanges to a system main frame, from which a single flange or tab extends outwardly. The wedge lock unit includes a stationary member which is fixedly attached to one of the flanges of the subsystem chassis. The stationary member has two opposite wedged or sloping sides along which two movable wedging members with mating sloping sides rest. A drive mechanism, in the form of a rotatable screw, is used to apply a force, resulting in a clamping force, which urges the movable wedging members toward the tab of the main frame, which is inserted between the wedge lock unit and the other flange of the subsystem chassis, until the tab becomes clamped between the movable wedging members of the wedge lock unit and the other flange of the subsystem chassis. Spring means are provided which produce a reaction force on the movable wedging members. The reaction force direction is opposite the clamping force direction. When the clamping force is relieved, so as to unclamp the tab of the main frame, the reaction force urges the movable wedging members back to their unclamped position, thereby preventing the jamming of the movable wedging members against the unclamped tab of the system main frame.
申请人：ELECTRONIC MEMORIES AND MAGNETICS CORPORATION 代理机构：Lindenberg, Freilich, Wasserman, Rosen & Fernandez
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