SU901063A1 - Device for drawing large diameter circles - Google Patents

Device for drawing large diameter circles Download PDF

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Publication number
SU901063A1
SU901063A1 SU802894622A SU2894622A SU901063A1 SU 901063 A1 SU901063 A1 SU 901063A1 SU 802894622 A SU802894622 A SU 802894622A SU 2894622 A SU2894622 A SU 2894622A SU 901063 A1 SU901063 A1 SU 901063A1
Authority
SU
USSR - Soviet Union
Prior art keywords
semi
axes
axis
large diameter
circle
Prior art date
Application number
SU802894622A
Other languages
Russian (ru)
Inventor
Николай Николаевич Калиниченко
Original Assignee
За витель
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 За витель filed Critical За витель
Priority to SU802894622A priority Critical patent/SU901063A1/en
Application granted granted Critical
Publication of SU901063A1 publication Critical patent/SU901063A1/en

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Description

1one

Изобретение относитс  к чертежным гфиборам.FIELD: drawing drawing boards.

Известен чертежный прибор дл  провецени  окружностей больших циаметров, содержащий основание с пишущим устройством и ролики на полуос х С 11 .A known drawing device for proving circles of large diameters, containing a base with a writing device and rollers on semi-axes C 11.

Однако известный прибор имеет сложную конструкцию и неудобен в пользовании .However, the known device has a complex structure and inconvenient to use.

Цель изобретени  - повышение удобства в пользовании.The purpose of the invention is to improve ease of use.

Поставленна  цель достигаетс  тем, что прибор имеет фрикционный фиксатор взаимного положени  полуосей, одна из которых выполнена полой с продольным вырезом, а друга  - установлена в полости первой, при этом фиксатор установлен в вырезе полуоси и соединен со второй полуосью.The goal is achieved by the fact that the device has a frictional lock for the relative position of the semi-axes, one of which is made hollow with a longitudinal notch, and the other is mounted in the first cavity, while the fixture is installed in the notch of the semi-axle and connected to the second semi-axle.

На чертеже изображен прибор дл  проведени  окружностей больших диамеггров .The drawing shows a device for conducting circles of large diameters.

Прибор содержит основание I с пишущим устройством 2 и съемные роликиThe device contains a base I with a writing device 2 and removable rollers

3 и 4 разного диаметра на полуос х 5 и 6, Полуось 5 выполнена полой с продольным вырезом 7, а полуось 8 установлена в полости полуоси 5. Фрикционный фиксатор 8 установлен в вырезе 7 полуоси 5 и соединен с полуосью 6.3 and 4 of different diameters on semi-axes x 5 and 6, Half-axle 5 is made hollow with a longitudinal notch 7, and semi-axis 8 is installed in the cavity of semi-axle 5. Friction latch 8 is installed in cut-out 7 of semi-axle 5 and connected to semi-axle 6.

Дл  проведени  окружности подбирают диаметры роликов и рассто ние между ними по формулеTo draw a circle, select the diameters of the rollers and the distance between them according to the formula

R-CR-c

аbut

где К - радиус описьтаемой окружности; С - рассто ние между роликами; сх - диаметр меньшего ролика; -fe - диаметр большего ролика.where K is the radius of the circumscribed circle; C is the distance between the rollers; cx is the diameter of the smaller roller; -fe is the diameter of the larger roller.

Claims (1)

Дл  проведени  окружности необходимо иметь одну точку окружности и направление от точки к центру ее. Устройство устанавливают на чертеже так, чтобы его ось при виде сверху совпадала с заданным радиусом. 39 Формула изобретени  Прибор цл  провецени  окружностей больших аиаметров, соаержаший основание с пишущим устройством и ролики на полуос х, соециненных с основанием отличающийс  тем, что, с целью повышени  уаобства в пользовани он имеет фрикционный фиксатор взаимного положени  полуосей, оаиа из полу4 осей выполнена полой с продольным вырезом , а цруга  полуось установлена в полости первой, при этом фиксатор установлен в вырезе полуоси и соецинен со второй по/чгосью. Источники инфсфмации, прин тые во внимание при экспертизе I. Авторское свидетельство СССР NI 453329, кл. В 43 L 9/ОО, 1973.To draw a circle, it is necessary to have one point of the circle and the direction from the point to the center of it. The device is installed on the drawing so that its axis, when viewed from above, coincides with the specified radius. 39 The invention The instrument for testing the circumference of large diameters, containing the base with a writing device and rollers on semi-axes, connected with a base characterized by the fact that, in order to increase its usability, it has a frictional lock for the relative position of semi-axes, a half of the axes is made hollow with a longitudinal cut, and the circumference of the semi-axis is installed in the cavity of the first, while the retainer is installed in the cut-out of the semi-axis and is connected with the second one. Sources of information taken into account in the examination I. USSR author's certificate NI 453329, cl. In 43 L 9 / GS, 1973.
SU802894622A 1980-03-14 1980-03-14 Device for drawing large diameter circles SU901063A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU802894622A SU901063A1 (en) 1980-03-14 1980-03-14 Device for drawing large diameter circles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU802894622A SU901063A1 (en) 1980-03-14 1980-03-14 Device for drawing large diameter circles

Publications (1)

Publication Number Publication Date
SU901063A1 true SU901063A1 (en) 1982-01-30

Family

ID=20882931

Family Applications (1)

Application Number Title Priority Date Filing Date
SU802894622A SU901063A1 (en) 1980-03-14 1980-03-14 Device for drawing large diameter circles

Country Status (1)

Country Link
SU (1) SU901063A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU226550U1 (en) * 2024-02-25 2024-06-07 Общество с ограниченной ответственностью "Газпром добыча Ямбург" DEVICE FOR DRAWING ON THE FLOOR THE DANGEROUS ZONE OF DOOR OPENING

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU226550U1 (en) * 2024-02-25 2024-06-07 Общество с ограниченной ответственностью "Газпром добыча Ямбург" DEVICE FOR DRAWING ON THE FLOOR THE DANGEROUS ZONE OF DOOR OPENING

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