Pistol-grip instrument for measurement of inside diameters
    1.
    发明授权
    Pistol-grip instrument for measurement of inside diameters 失效
    用于测量内径的手枪式握把

    公开(公告)号:US4385446A

    公开(公告)日:1983-05-31

    申请号:US223740

    申请日:1981-01-09

    IPC分类号: G01B3/26 G01B5/12

    CPC分类号: G01B3/26

    摘要: The measurement feelers (15) are operated by a movable member consisting of a rod (17) which is movable axially and upon which can slide a cylinder (11a) subjected to the action of a main spring (13) which forces it towards its position of bearing against a stop (19) integral with the rod (7a). This rod is furthermore under the influence of a secondary spring (16) which is weaker and acts in the opposite sense to the main spring. The trigger (17) which enables the cylinder (11a) to be acted upon may be actuated as far as the end of its travel without the rod (6) of the comparator attached to the body (1,2) of the instrument ever undergoing a thrust stronger that the force of the secondary spring (16). Thus the disadvantage is avoided of direct action of the trigger upon the portion of the movable member which enters into action against the feeler (10) of the comparator and consequently can cause the slipping of this rod in the tightener bush (4) and resultant errors in reading.

    摘要翻译: 测量探测器(15)由可移动的构件来操作,该活动构件可由轴(17)轴向运动,杆(17)能够滑动经受主弹簧(13)作用的气缸(11a) 抵靠与杆(7a)成一体的止动件(19)。 该杆还受到次级弹簧(16)的影响,次级弹簧(16)较弱,并以与主弹簧相反的方式起作用。 能够使气缸(11a)起作用的触发器(17)可以被致动到其行程结束,而不用比较器的杆(6)附接到仪器的主体(1,2)上, 推力更强,次级弹簧(16)的力。 因此,避免了触发器直接作用于可移动部件的部分,该部分对比较器的触发器(10)进入作用,因此可能导致该杆在紧固器衬套(4)中的滑动,从而导致错误 在阅读