GB1575303A - Use of apparatus to facilitate drawing - Google Patents

Use of apparatus to facilitate drawing Download PDF

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Publication number
GB1575303A
GB1575303A GB1377276A GB1377276A GB1575303A GB 1575303 A GB1575303 A GB 1575303A GB 1377276 A GB1377276 A GB 1377276A GB 1377276 A GB1377276 A GB 1377276A GB 1575303 A GB1575303 A GB 1575303A
Authority
GB
United Kingdom
Prior art keywords
transparent member
base member
transparent
drawn
channel
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
Application number
GB1377276A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WIGNALL A
Original Assignee
WIGNALL A
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 WIGNALL A filed Critical WIGNALL A
Priority to GB1377276A priority Critical patent/GB1575303A/en
Publication of GB1575303A publication Critical patent/GB1575303A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/14—Devices for drawing in perspective
    • B43L13/16—Devices for drawing in perspective free-hand
    • B43L13/18—Devices for drawing in perspective free-hand having optical or projecting equipment

Description

(54) USE OF APPARATUS TO FACILITATE D:RAWING (71) We, JEAN FRANCES GRUN DY, of 47, Longbeach Road, London, S.W.11 and ALEC LESLIE WIGNALL, of 51 Ribblesdale Road, London, S.W.16, both British subjects, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement: The present invention relates to a method of making a drawing of a three-dimensional object.
The invention provides a method of making a drawing of a three-dimensional object using apparatus comprising a base member having a transparent member pivotably connected thereto and means for releasably fastening the transparent member at a desired angle relative to the base member, the method comprising placing a threedimensional object to be drawn on the base member, releasably fastening the transparent member at a desired angle relative to the base member to obtain a required perspective of the object through the transparent member, and drawing the object on the transparent member or on a thin layout sheet attached to the surface thereof while viewing the object therethrough.
Preferably, the transparent member carries at least one reference mark which is aligned with a reference point on the object during drawing.
Thus, any three-dimensional object can be drawn very easily merely by following the outline of the object seen through the transparent member with a drawing implement.
The invention will now be described with reference to an embodiment shown by way of example in the accompanying drawing, wherein: Figure 1 is a perspective view of drawing apparatus in an open position, and Figure 2 is a front elevational view of the apparatus of Figure 1 in a closed position.
In the drawing, a rigid channel-shaped transparent member 1 having a flat surface 2 and parallel sides 3 is pivotably mounted on a channel-shaped base member 4 having a flat surface 5 and parallel sides 6. As can be seen from Figure 2 the base member 4 lies snugly inside the transparent member. The members 1 and 4 may be made of plastics material, e.g. transparent and opaque Perspex (Registered Trade Mark) respectively.
A bolt 7 carrying a shakeproof washer 8, a nylon washer 9 and a wingnut 10 passes through aligned apertures near the end of adjacent sides 3, 6. he transparent member 1 may be pivoted into any desired angular position relative to the base member merely by loosening the nuts 10 and held in that position by retightening the nuts 10.
The flat surface 2 carries at least one reference mark 11 which is aligned with a reference point on an object to be drawn.
The object may be placed on the surface 5 and viewed through, and drawn on, the surface 2 when inclined at an acute angle to the surface 5. Different perspectives of the object are obtained by altering the angle of inclination of the surface 2.
The resulting drawing on the surface 1 may be traced onto a layout sheet, copied, or photographed. Indeed, the object may be drawn directly onto a thin layout sheet attached to the surface 1.
The above-described method may be used by children or adults for educational or recreational purposes.
WHAT WE CLAIM IS: 1. A method of making a drawing of a three-dimensional object using apparatus comprising a base member having a transparent member pivotably connected thereto and means for releasably fastening the transparent member at a desired angle relative to the base member, the method
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (11)

**WARNING** start of CLMS field may overlap end of DESC **. (54) USE OF APPARATUS TO FACILITATE D:RAWING (71) We, JEAN FRANCES GRUN DY, of 47, Longbeach Road, London, S.W.11 and ALEC LESLIE WIGNALL, of 51 Ribblesdale Road, London, S.W.16, both British subjects, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement: The present invention relates to a method of making a drawing of a three-dimensional object. The invention provides a method of making a drawing of a three-dimensional object using apparatus comprising a base member having a transparent member pivotably connected thereto and means for releasably fastening the transparent member at a desired angle relative to the base member, the method comprising placing a threedimensional object to be drawn on the base member, releasably fastening the transparent member at a desired angle relative to the base member to obtain a required perspective of the object through the transparent member, and drawing the object on the transparent member or on a thin layout sheet attached to the surface thereof while viewing the object therethrough. Preferably, the transparent member carries at least one reference mark which is aligned with a reference point on the object during drawing. Thus, any three-dimensional object can be drawn very easily merely by following the outline of the object seen through the transparent member with a drawing implement. The invention will now be described with reference to an embodiment shown by way of example in the accompanying drawing, wherein: Figure 1 is a perspective view of drawing apparatus in an open position, and Figure 2 is a front elevational view of the apparatus of Figure 1 in a closed position. In the drawing, a rigid channel-shaped transparent member 1 having a flat surface 2 and parallel sides 3 is pivotably mounted on a channel-shaped base member 4 having a flat surface 5 and parallel sides 6. As can be seen from Figure 2 the base member 4 lies snugly inside the transparent member. The members 1 and 4 may be made of plastics material, e.g. transparent and opaque Perspex (Registered Trade Mark) respectively. A bolt 7 carrying a shakeproof washer 8, a nylon washer 9 and a wingnut 10 passes through aligned apertures near the end of adjacent sides 3, 6. he transparent member 1 may be pivoted into any desired angular position relative to the base member merely by loosening the nuts 10 and held in that position by retightening the nuts 10. The flat surface 2 carries at least one reference mark 11 which is aligned with a reference point on an object to be drawn. The object may be placed on the surface 5 and viewed through, and drawn on, the surface 2 when inclined at an acute angle to the surface 5. Different perspectives of the object are obtained by altering the angle of inclination of the surface 2. The resulting drawing on the surface 1 may be traced onto a layout sheet, copied, or photographed. Indeed, the object may be drawn directly onto a thin layout sheet attached to the surface 1. The above-described method may be used by children or adults for educational or recreational purposes. WHAT WE CLAIM IS:
1. A method of making a drawing of a three-dimensional object using apparatus comprising a base member having a transparent member pivotably connected thereto and means for releasably fastening the transparent member at a desired angle relative to the base member, the method comprising placing a three-dimensional object to be drawn on the base member, releasably fastening the transparent member at a desired angle relative to the base member to obtain a required perspective of the object through the transparent member, and drawing the object on the transparent member or on a thin layout sheet attached to the surface thereof while viewing the object therethrough.
2. A method as claimed in Claim 1, wherein the transparent member carries at least one reference mark which is aligned with a reference point on the object during drawing.
3. A method as claimed in Claim 1 or 2, wherein a drawing on the transparent member is traced onto a layout sheet.
4. A method as claimed in Claim 1 or 2, wherein a drawing on the transparent member is photographed.
5. A method as claimed in any one of the preceding claims, wherein the transparent member has a channel-shaped cross section, the sides of the channel being pivotably attached to the base member by said fastening means.
6. A method as claimed in Claim 5, wherein the base member has a channelshaped cross section, the sides of the base member channel lying between the sides of the transparent member channel.
7. A method as claimed in Claim 6, wherein the fastening means comprise two axially-aligned bolts passing through adjacent sides of the two channels, each bolt carrying a shakeproof washer, a plastics washer and a wingnut.
8. A method as claimed in any one of the preceding claims, wherein the base member is formed from opaque plastics material.
9. A method as claimed in any one of the preceding claims, wherein the transparent member is formed from transparent plastics material.
10. A method of making a drawing of a three-dimensional object substantially as herein described with reference to the accompanying drawing.
11. A drawing made by the method as claimed in any one of the preceding claims.
GB1377276A 1977-01-14 1977-01-14 Use of apparatus to facilitate drawing Expired GB1575303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1377276A GB1575303A (en) 1977-01-14 1977-01-14 Use of apparatus to facilitate drawing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1377276A GB1575303A (en) 1977-01-14 1977-01-14 Use of apparatus to facilitate drawing

Publications (1)

Publication Number Publication Date
GB1575303A true GB1575303A (en) 1980-09-17

Family

ID=10029078

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1377276A Expired GB1575303A (en) 1977-01-14 1977-01-14 Use of apparatus to facilitate drawing

Country Status (1)

Country Link
GB (1) GB1575303A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6568938B1 (en) 1999-12-02 2003-05-27 Gridart, Llc Drawing aid
GB2420742A (en) * 2004-12-03 2006-06-07 Horace Coombs Artist's scaling device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6568938B1 (en) 1999-12-02 2003-05-27 Gridart, Llc Drawing aid
GB2420742A (en) * 2004-12-03 2006-06-07 Horace Coombs Artist's scaling device

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PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee