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Instructional aid for teaching time telling

机译:授课时间的教学辅助

摘要

An instructional aid for teaching time telling comprising a disk shaped dial assembly; a first ring shaped minute indicia ring having first indicia sequentially indicating the numerals five through sixty in numerical increments of five spaced about the perimeter thereof; a second ring shaped minute indicia ring having second indicia sequentially indicating the numerals one through sixty spaced about the perimeter thereof; a partial ring, arcuately shaped before-the-hour minute indicia member having third indicia thereon indicating the numerals one through thirty and the numeral sixty thereon; and a before/after indicia ring having fourth indicia thereon indicating a before portion and an after portion. The dial assembly, the first minute indicia ring, the second minute indicia ring, the before-the-hour minute indicia member, and the before/after indicia ring are interconnectable and, preferably, are interconnectable to form a circular disk.
机译:一种用于教学时间的教学辅助装置,包括盘形表盘组件;第一环形分钟标记环,其具有第一标记,该第一标记以在其周长上间隔开的数字增量为五个顺序地指示数字五至六十;第二环形分钟标记环,具有第二标记,该第二标记顺序地指示围绕其周边间隔开的数字1-6。一小时前分钟标记部分弧形的局部环,其上具有第三标记,其上表示数字1至30,其上数字60。前/后标记环在其上具有指示前部分和后部分的第四标记。刻度盘组件,第一分钟标记环,第二分钟标记环,小时前分钟标记构件以及之前/之后标记环是可互连的,并且优选地,可互连以形成圆盘。

著录项

  • 公开/公告号US5653595A

    专利类型

  • 公开/公告日1997-08-05

    原文格式PDF

  • 申请/专利权人 BROWN;CORINE;

    申请/专利号US19960633689

  • 发明设计人 CORINE BROWN;

    申请日1996-04-19

  • 分类号G09B19/12;

  • 国家 US

  • 入库时间 2022-08-22 03:09:39

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