公开(公告)号：US3672597A

公开(公告)日：1972-06-27

申请号：US3672597D

申请日：1971-02-01

申请人： JERVIS C WILLIAMSON

发明人： WILLIAMSON JERVIS C

IPC分类号： G01B3/10 ,  B43L1/12

CPC分类号： G01B3/1084 ,  G01B2003/1094

摘要： A memo measuring device of the type comprising a housing and a coiled extendible and retractable measuring tape therewithin. The housing has front and rear shells and means connecting the same and a front housing opening extends throughout the major portion of the face area of the housing. A small opening is provided in the rear housing shell. A waxed plate disposed within the housing adjacent the front shell opening has a transparent sheet thereover for dimensional notations and other memoranda. A stem extending rearwardly from the plate is hollow and opens through the rear shell opening. A plunger within the stem opening has an associated return spring and a front end portion engageable with the transparent sheet. Manual finger pressure urging the plunger forwardly displaces the transparent sheet from the waxed plate and clears the memoranda thereon.

摘要翻译： 一种类型的备忘录测量装置，包括壳体和其中的卷绕的可伸缩的卷尺。 壳体具有前壳和后壳以及连接其的装置，并且前壳体开口延伸穿过壳体的面部区域的主要部分。 在后壳体中设有小开口。 邻近前壳开口设置在壳体内的打蜡板在其上具有用于尺寸符号和其它备忘录的透明片。 从板向后延伸的杆是中空的，并通过后壳开口打开。 杆开口内的柱塞具有相关联的复位弹簧和可与透明片接合的前端部分。 推动柱塞的手动手指压力向前移动透明片材，并将其清除。

公开(公告)号：US3318491A

公开(公告)日：1967-05-09

申请号：US46355365

申请日：1965-06-14

申请人： WILLIAMSON JERVIS C

发明人： WILLIAMSON JERVIS C

IPC分类号： B65D83/04

CPC分类号： B65D83/0409 ,  B65D2583/0495