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公开(公告)号:USD266719S
公开(公告)日:1982-11-02
申请号:US919404
申请日:1978-06-26
申请人: Richard B. Hopkins
设计人: Richard B. Hopkins
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公开(公告)号:US4203624A
公开(公告)日:1980-05-20
申请号:US943111
申请日:1978-09-18
申请人: Richard B. Hopkins
发明人: Richard B. Hopkins
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。
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