Testing teaching aid

The invention, which belongs to the teaching instrument field, discloses a testing teaching aid comprising a base frame and a test assembly. The base frame consists of a bottom frame, a top frame, andcarriage assemblies; the top frame and the bottom frame are parallel to each other; and the four cor...

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Bibliographic Details
Main Authors SHI ZHONGLOU, LI FAYUAN
Format Patent
LanguageChinese
English
Published 08.05.2018
Subjects
ADVERTISING
APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE
CRYPTOGRAPHY
DIAGRAMS
DISPLAY
EDUCATION
EDUCATIONAL OR DEMONSTRATION APPLIANCES
GLOBES
PHYSICS
PLANETARIA
SEALS
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Summary:The invention, which belongs to the teaching instrument field, discloses a testing teaching aid comprising a base frame and a test assembly. The base frame consists of a bottom frame, a top frame, andcarriage assemblies; the top frame and the bottom frame are parallel to each other; and the four corners of the top frame are respectively and fixedly connected with the four corresponding corners ofthe bottom frame by four brackets. Each carrier assembly consists of a horizontal carrier and two longitudinal carriers; one longitudinal carrier can be installed between the first frame of the top frame and the first frame of the bottom frame in a sliding manner; the other longitudinal carrier is arranged between a second frame of the top frame and a second frame of the bottom frame in a slidingmanner; the two longitudinal carriers are parallel to the brackets; the horizontal carrier is installed between the two longitudinal carriers in a sliding manner and is perpendicular to the two longitudinal carriers; and a sli
Bibliography:Application Number: CN201710985514