Writing tablet
    2.
    发明授权
    Writing tablet 失效
    写平板电脑

    公开(公告)号:US4203624A

    公开(公告)日:1980-05-20

    申请号:US943111

    申请日:1978-09-18

    IPC分类号: A47C7/70 A47B39/00 A47B11/00

    CPC分类号: A47C7/70

    摘要: A writing tablet for a chair arm is mounted by a pivot swivel block to the arm for pivotal movement about a first axis. A tablet panel support is mounted to the pivotal swivel block for pivotal movement about a second axis perpendicular to the first axis. Semicircular slots are included in the pivot swivel block and tablet panel support in registry with each other, and a ball rides in the slots to limit the movement of the tablet panel support about the second axis.

    摘要翻译: 用于椅子臂的书写板通过枢转旋转块安装到臂上,以围绕第一轴线枢转运动。 片剂板支撑件安装到枢转转动块,用于围绕垂直于第一轴线的第二轴线枢转运动。 半圆形狭槽包括在枢转转动块和平板电脑板支撑件中,彼此对准,并且一个球骑在槽中以限制平板电脑板支撑件围绕第二轴的运动。