MULTIFUNCTIONAL RULER FOR DESIGN AND MULTI-SCALE MEASUREMENTS

Abstract

The present invention relates to a rectangular multifunctional ruler which is used for measuring and design. In particular the ruler of the present invention enables the user to make measurements in different scales thus the ruler is suitable for multi-scale measurements. In addition to that, the ruler of the present invention also enables the user to sketch mathematical models or in general all kinds of shapes in order to form an unlimited number of patterns within a very short amount of time.

Claims

1. A multifunctional rectangular ruler formed by a ruler body (1) wherein the ruler body (1) comprises a metric system scale mark (2) on one surface, an imperial system scale mark (3) on the other surface, an arc of 180 for drawing and/or measuring arcs with different angles (4), a plurality of holes extending through at least one of the longer sides (5), at least one hollow circular area (6), a metric and an imperial scale line (7) extending on one of the longer lines above scale marks (2,3), characterized in that the ruler body (1) comprises at least one hollow area (8, 9) having the shape of a projection of a cube for drawing an isometric cube, and in that at least one metric and an at least one imperial scale triangular grid area (10, 11) comprising a plurality of holes and the distance between the holes is equal to each other.

2. The multifunctional ruler of claim 1 wherein a plurality of holes (12) are distributed above the arc with an interval of 10.

3. The multifunctional ruler of claim 1 or 2 wherein the arc of 180 is marked differently on the 2 surfaces of the ruler.

4. The multifunctional ruler of claim 3 wherein the arc of 180 is marked with degrees starting from 0 to 180 on one surface and from 90 to 90 on the other surface.

5. The multifunctional ruler of claim 4 wherein the arc of 180 on the surface wherein the arc is marked with 0 to 180 comprises 2 more holes (13) distributed above the arc in such a way that the holes correspond to 45 and 135 on the arc.

6. The multifunctional ruler of anyone of preceding claims wherein the ruler body (1) has the dimensions of a credit card.

7. The multifunctional ruler of anyone of preceding claims wherein the ruler body (1) comprises at least 4 differently dimensioned hollow circular areas (6).

8. The multifunctional ruler of claim 7 wherein the ruler body (1) comprises 7 hollow circular areas wherein one of the circular areas has the diameter of 3 mm.

9. The multifunctional ruler of claim 8 wherein the ruler body comprises 7 hollow circular areas wherein a pair of circular areas having the diameter of 10 mm are positioned on each side of the circular area having the 3 mm diameter, a pair of circular areas having a diameter of 5 mm are positioned adjacent to circular areas having the diameter of 10 mm and a pair of circular areas having a diameter of 6 mm are positioned adjacent to circular areas having the diameter of 5 mm.

10. The multifunctional ruler of anyone of preceding claims wherein the ruler body (1) comprises 2 hollow areas (8, 9) having the shape of a projection of a cube for drawing an isometric cube.

11. The multifunctional ruler of anyone of preceding claims wherein the ruler body comprises a pixel system scale mark (14).

12. The multifunctional ruler of anyone of preceding claims wherein the ruler body comprises a pica system scale mark (15).

13. The multifunctional ruler of anyone of preceding claims wherein the ruler body is made from stainless steel.

14. The multifunctional ruler of anyone of preceding claims wherein the ruler body is coated with titanium.

Description

BRIEF DESCRIPTION OF DRAWINGS

[0022] FIG. 1 is a front view of one of the surfaces of the preferred embodiment of the present invention.

[0023] FIG. 2 is a front view of the other surface of the preferred embodiment of the present invention.

REFERENCE NUMERALS

[0024] 1 A ruler body [0025] 2 A metric system scale mark [0026] 3 An imperial system scale mark [0027] 4 An arc of 180 (marked from 0 to 180 or from 90 to 90 with intervals of 10) [0028] 5 A plurality of holes extending through at least one of the longer sides [0029] 6 A hollow circular area [0030] 7 A metric and imperial scale line for drawing lines in different scales [0031] 8 A hollow having the shape of a projection of a cube for drawing an isometric cube (metric scale) [0032] 9 A hollow having the shape of a projection of a cube for drawing an isometric cube (imperial scale) [0033] 10 Metric scale triangular grid area (isometric grid area) [0034] 11 Imperial scale triangular grid area (isometric grid area) [0035] 12 A plurality of holes distributed above the arc [0036] 13 2 more holes distributed above the arc on the surface of which the arc is marked with 0 to 180 [0037] 14 A pixel system scale mark [0038] 15 A pica system scale mark

DETAILED DESCRIPTION

[0039] In one embodiment, the dimensions of the rectangular multifunctional ruler is 85.6053.98 mm. This is the internationally acknowledged size of the most of standard business cards, credit cards or ID cards. Therefore, the ruler of this preferred embodiment is compact and easy to carry around in the wallet of the user.

[0040] In another embodiment, the rectangular multifunctional ruler has more than one unit of measurement such as a metric system scale and an imperial system scale on its ruler body.

[0041] The rectangular multifunctional ruler further comprises a pixel unit. The pixel is a single point in a raster image or device. A pixel density (referred as pixels per inch (PPI) or dots per inch (DPI)) of a device varies from device to device. For some devices like printers, this value is precise. For other devices like computer displays, this value can be changed by the user. In the present invention, the PPI value has been fixed as 150 PPI.

[0042] The rectangular multifunctional ruler further comprises a pica unit of measure. A pica is a typographic unit of measure corresponding to of inch. The pica contains 12 points.

[0043] The rectangular multifunctional ruler of the present invention further comprises a point unit of measure. A point is a typographic unit of measure corresponding to 1/72 of inch.

[0044] In one embodiment, the rectangular multifunctional ruler has a plurality of holes extending through at least one of the longer sides. A user can draw a circle with a desired size by using one of these holes thereby the need of compass is eliminated.

[0045] In one embodiment, the rectangular multifunctional ruler has a protractor for measuring up to 180 degrees. The protractor is formed by an arc of 180 on the ruler body. In the protractor part of the ruler, also plurality of holes has been distributed above the protractor for drawing arcs with different angles. The holes above the protractor part of the ruler has been distributed with an interval of 10.

[0046] The present invention is a multifunctional rectangular ruler formed by a ruler body 1. The ruler body 1 comprises a metric system scale mark 2 on one surface, an imperial system scale mark 3 on the other surface, an arc of 180 for drawing and/or measuring arcs with different angles 4, a plurality of holes extending through at least one of the longer sides 5, at least one hollow circular area 6, and a metric and an imperial scale line 7 extending on one of the longer lines above scale marks 2, 3.

[0047] The ruler body 1 comprises at least one hollow area 8, 9 having the shape of a projection of a cube for drawing an isometric cube, and

[0048] At least one metric scale triangular grid area 10 and at least one imperial scale triangular grid area 11 comprise a plurality of holes and the distance between the holes is equal to each other.

[0049] In an embodiment of the present invention a plurality of holes 12 are distributed above the arc with an interval of 10.

[0050] In a further embodiment the arc of 180 is marked differently on the 2 surfaces of the ruler.

[0051] In an even further embodiment the arc of 180 is marked with degrees starting from 0 to 180 on one surface and from 90 to 90 on the other surface.

[0052] In another embodiment of the present invention the arc of 180, on the surface wherein the arc is marked with 0 to 180 comprises 2 more holes 13 distributed above the arc in such a way that the holes correspond to 45 and 135 on the arc.

[0053] In a preferred embodiment of the present invention the ruler body 1 has the dimensions of a credit card so that it is compact and easy to carry for the user.

[0054] In a different embodiment of the present invention the ruler body 1 comprises at least 4 differently dimensioned hollow circular areas 6.

[0055] In a further embodiment the ruler body 1 comprises 7 hollow circular areas wherein one of the circular areas has the diameter of 3 mm.

[0056] In a still further embodiment the ruler body comprises 7 hollow circular areas wherein a pair of 10 mm circular areas are positioned on each side of the 3 mm circular area, a pair of 5 mm circular areas are positioned adjacent to 10 mm circular areas and a pair of 6 mm circular areas are positioned adjacent to 5 mm circular areas.

[0057] In another embodiment of the present invention the ruler body 1 comprises 2 hollow areas 8, 9 having the shape of a projection of a cube for drawing an isometric cube.

[0058] In a different embodiment the ruler body comprises a pixel system scale mark 14 on both surfaces.

[0059] In a different embodiment the ruler body comprises a pica system scale mark 15 on both surfaces.

[0060] In another embodiment of the present invention the ruler body is made of stainless steel and is coated with titanium.

[0061] In a further embodiment of the present invention, the ruler body comprises an area which enables the user to draw different kinds of mathematical models starting from triangle to twenty-sided polygon (icosagon).

[0062] In a still further embodiment of the present invention, the ruler body comprises an area enabling the user to draw a hexagon grid (honeycomb pattern).

[0063] In another embodiment of the present invention the ruler body comprises an area enabling the user to draw spirograph.

[0064] In a further embodiment of the present invention the ruler body comprises an area enabling the user to quickly draw lines with thicknesses of 1 mm, 1.5 mm, 2 mm, 2.5 mm or 3 mm, in a practical way.

[0065] In a further embodiment of the present invention the ruler body comprises an area for measuring punto (points).

[0066] In a different embodiment of the present invention the ruler body comprises an area for drawing a square grid.

[0067] In different embodiments of the present invention the ruler body comprises more than 7 hollow circular areas enabling the user to draw differently dimensioned circles in a practical way.

[0068] In a further embodiment of the present invention the ruler body comprises an area enabling the user to quickly draw squares in a practical way.

[0069] In a further embodiment of the present invention the ruler body comprises an area enabling the user to draw isometric circles.

[0070] In another embodiment of the present invention the ruler body comprises a circular part comprising differently dimensioned hollow circular areas wherein the circular part is movable on a hinge on the centre such that the user can practically switch between differently dimensioned hollow circular areas to draw different circles in a practical way.