Machine design instrument chi

The utility model relates to a machine design instrument chi, including instrument chi body and interior chi, instrument chi body middle part be equipped with the protractor that is equipped with matchings in a circular shape cell body and the cell body, instrument chi body both sides are inside for...

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Bibliographic Details
Main Author WANG ZELEI
Format Patent
LanguageChinese
English
Published 08.03.2017
Subjects
ACCESSORIES FOR WRITING OR DRAWING
ARTICLES FOR WRITING OR DRAWING UPON
BUREAU ACCESSORIES
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PERFORMING OPERATIONS
PHYSICS
TESTING
TRANSPORTING
WRITING OR DRAWING IMPLEMENTS
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Summary:The utility model relates to a machine design instrument chi, including instrument chi body and interior chi, instrument chi body middle part be equipped with the protractor that is equipped with matchings in a circular shape cell body and the cell body, instrument chi body both sides are inside for hollow structure just is equipped with corresponding opening on its both sides terminal surface, instrument chi body both sides edge still is equipped with the elastically positioned key, interior chi setting in the opening that instrument chi body corresponds, interior chi include the three -section, in the first section in chi and the second section chi be sliding connection's extending structure, in the second section in chi and the third section chi is connected through selling a rotation, the utility model discloses following beneficial effect has: realized multiple functions such as drawing, measurement, made instrument chi length adjust at will simultaneously, avoided the measurement yardstick to exceed ins
Bibliography:Application Number: CN20162738686U