CN2573271Y - Movable protractor - Google Patents

Movable protractor Download PDF

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Publication number
CN2573271Y
CN2573271Y CN 02279546 CN02279546U CN2573271Y CN 2573271 Y CN2573271 Y CN 2573271Y CN 02279546 CN02279546 CN 02279546 CN 02279546 U CN02279546 U CN 02279546U CN 2573271 Y CN2573271 Y CN 2573271Y
Authority
CN
China
Prior art keywords
protractor
utility
model
center
movable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 02279546
Other languages
Chinese (zh)
Inventor
廖珂
曹俊晖
彭劲
Original Assignee
廖珂
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 廖珂 filed Critical 廖珂
Priority to CN 02279546 priority Critical patent/CN2573271Y/en
Application granted granted Critical
Publication of CN2573271Y publication Critical patent/CN2573271Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a movable protractor. A rotatable rule is arranged on the point of the center of the bottom side of the protractor, and the utility model has the advantages of simple angle-drawing procedure, simple structure and convenient operation.

Description

Bevel protractor
Technical field
The utility model relates to a kind of bevel protractor.
Background technology
The standing crop hornwork can only first angulation when drawing the angle, gets ready again, and last line, step is many, complicated operation.
Summary of the invention
The purpose of this utility model is exactly the shortcoming that is to overcome prior art, and a kind of bevel protractor at any angle that can directly draw between 0 °～180 ° is provided.
The purpose of this utility model is achieved in that a kind of bevel protractor, and rotating chi 2 is set in the center on protractor base 1.
Owing to adopt said structure, the structure of rotatable chi 2 be set, at the center on protractor base so can directly draw arbitrarily angled.
Description of drawings
Be described further below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present utility model.
Fig. 1 double as Figure of abstract.
The specific embodiment
As shown in the figure, a kind of bevel protractor is provided with rotating chi 2 in the center on protractor base 1.
Rotary ruler 2 makes the 1 one-tenth required angle in itself and base, gets final product direct setting-out, has simplified the step of drawing the angle.

Claims (1)

1, a kind of bevel protractor is characterized in that: in the center of protractor base (1) rotating chi (2) is set.
CN 02279546 2002-10-15 2002-10-15 Movable protractor Expired - Fee Related CN2573271Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02279546 CN2573271Y (en) 2002-10-15 2002-10-15 Movable protractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02279546 CN2573271Y (en) 2002-10-15 2002-10-15 Movable protractor

Publications (1)

Publication Number Publication Date
CN2573271Y true CN2573271Y (en) 2003-09-17

Family

ID=33742595

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 02279546 Expired - Fee Related CN2573271Y (en) 2002-10-15 2002-10-15 Movable protractor

Country Status (1)

Country Link
CN (1) CN2573271Y (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee