SU1991A1 - Compass protractor - Google Patents

Compass protractor

Info

Publication number
SU1991A1
SU1991A1 SU74211A SU74211A SU1991A1 SU 1991 A1 SU1991 A1 SU 1991A1 SU 74211 A SU74211 A SU 74211A SU 74211 A SU74211 A SU 74211A SU 1991 A1 SU1991 A1 SU 1991A1
Authority
SU
USSR - Soviet Union
Prior art keywords
compass
protractor
arc
vernier
leg
Prior art date
Application number
SU74211A
Other languages
Russian (ru)
Inventor
П.И. Казаков
Original Assignee
П.И. Казаков
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 П.И. Казаков filed Critical П.И. Казаков
Priority to SU74211A priority Critical patent/SU1991A1/en
Application granted granted Critical
Publication of SU1991A1 publication Critical patent/SU1991A1/en

Links

Landscapes

  • Length-Measuring Instruments Using Mechanical Means (AREA)

Description

Предлагаемый прибор представл ет из себ  обыкновенный циркуль, снабженный дугой и верньером с градусными делени ми, дающими возможность в чертежных работах при измерени х и построении углов на плане и при других геометрических измерени х обходитьс  без помощи транспортира. На фиг. 1 изображен вид спереди циркул -угломера и на фиг. 2 - боковой вид его. К одной из ножек мерительного циркул  обыкновенного устройства прикреплена при помощи радиальной планки С дуга сектора а, представл юща  четверть окружности, разделенной на градусы от О до 90°, с добавкой по п ти градусных делений в стороны от нулевого и дев ностофадусного делени  дл  пользовани  верньером . Верхний конец дуги а снабжен радиальной планкой В, скрепленной с щарнирной головкой циркул . Касательно к дуге сектора, на другой ножке циркул , укреплен верньерd при помощи зажимного винта с головкой Е, проход щего через овальное отверстие в ножке циркул , допускающее небольщое перемещение верньера при установке на нулевое деление. ПРЕДМЕТ ПАТЕНТА. Циркуль-угломер с градуированной дугой, отличающийс  тем, что градуированна  дуга а, имеюща  отростки в виде радиальных планок Вис, прикреплена через планку с к одной из ножек циркул  снаружи ее, к другой же ножке прикреплен верньер d.The proposed device consists of an ordinary compass, equipped with an arc and a vernier with degree divisions, which make it possible to do without the aid of a protractor in drawing work when measuring and building angles on the plan and other geometrical measurements. FIG. 1 shows a front view of a compass angler and FIG. 2 - a side view of it. An arc of sector a, representing a quarter of a circle divided by degrees from 0 to 90 °, is added to one of the legs of a measuring compass of an ordinary device using a radial bar C, with addition of five degrees of division to the side of zero and ninth-degree division for use by a vernier . The upper end of the arc and is provided with a radial strap B, fastened with a companion hinged head. Regarding the sector arc, on the other leg there are compasses, a vernier is reinforced with a clamping screw with an E head passing through an oval hole in the leg of a compass, allowing the vernier to move slightly when set to zero division. SUBJECT OF THE PATENT. A circular arc goniometer with a graduated arc, characterized in that the graduated arc a, having processes in the form of the radial planes of Vis, is attached through a bar with a compass outside it to one of the legs, and a vernier is attached to the other leg.

в-1in 1

SU74211A 1920-10-25 1920-10-25 Compass protractor SU1991A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU74211A SU1991A1 (en) 1920-10-25 1920-10-25 Compass protractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU74211A SU1991A1 (en) 1920-10-25 1920-10-25 Compass protractor

Publications (1)

Publication Number Publication Date
SU1991A1 true SU1991A1 (en) 1924-09-15

Family

ID=48328011

Family Applications (1)

Application Number Title Priority Date Filing Date
SU74211A SU1991A1 (en) 1920-10-25 1920-10-25 Compass protractor

Country Status (1)

Country Link
SU (1) SU1991A1 (en)

Similar Documents

Publication Publication Date Title
US2504244A (en) Measuring instrument
SU1991A1 (en) Compass protractor
US1379124A (en) Drawing instrument
SU11503A1 (en) Angle Measuring Instrument
SU69138A1 (en) Device for transferring a profile or contour to a plane
US1732546A (en) Protractor
SU96759A1 (en) A device for measuring the perimeter of body parts, for example,
SU6189A1 (en) Horizontal circle for kipregel
SU2525A1 (en) Instrument for measurement and drawing
CH249408A (en) Device for determining the horizontal angular position of a receiver.
SU40576A1 (en) Radius measuring device
SU16890A1 (en) Measuring compass
SU19791A1 (en) Compass
US1858116A (en) Caliper or divider
SU12540A1 (en) Instrument for calculations during geodetic works
SU510221A1 (en) A device for determining the size of the mask
SU17742A1 (en) Vernier caliper for measuring angles
SU29979A1 (en) Angle Measuring Instrument
SU147784A1 (en) Protractor
US2576606A (en) Combination micrometer
US1325606A (en) Combined bule and square
SU716879A1 (en) Measuring calipers
SU22277A1 (en) Goniometer
SU11803A1 (en) Scale compass
SU79165A1 (en) Angle and Length Measuring Instrument