US3602999A - Writing aid - Google Patents
Writing aid Download PDFInfo
- Publication number
- US3602999A US3602999A US823356A US3602999DA US3602999A US 3602999 A US3602999 A US 3602999A US 823356 A US823356 A US 823356A US 3602999D A US3602999D A US 3602999DA US 3602999 A US3602999 A US 3602999A
- Authority
- US
- United States
- Prior art keywords
- rulers
- ruler
- writing
- aid
- spacing
- 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 - Lifetime
Links
Images
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
- B43L7/00—Straightedges
- B43L7/005—Straightedges combined with other drawing aids
-
- 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
- B43L13/02—Draughting machines or drawing devices for keeping parallelism
Definitions
- the present invention relates to an improved writing or drafting aid for the writing 'of characters, such as letters and numbers by way of example.
- Another, more specific object of the present invention deals with an improved writing aid enabling the neat, accurate and rapid writing of characters, typically numbers and letters.
- Still a further significant object of the present invention re lates to an improved writing aid of the mentioned type which is relatively simple in construction, economical to manufacture, extremely easy to use,'resulting in neat, accurate and artistic presentation of characters, such as letters and num-' bers.
- the inventive writing aid is generally manifested by the features that it embodies two substantially parallel rulers fixed at a spacing from one another and which delimit or bound a writing field for aconstant height of the characters. In the writing field formed between both of these I rulers, it is possible to freely write within the provided height.
- the one ruler possesses arms which protrude therefrom over the other ruler, at which the other ruler is slidably guided in a direction substantially perpendicular to its lengthwise extension.
- a circular bar or rod is rotatably mounted in these arms of the aforesaid one ruler, this circular bar extending substantially over the entire length of the other ruler.
- This circular bar furthermore carriers a rotary knob as well as gears which cooperatewith gear racks which are fixedly connected with the aforementioned other ruler Moreover, the circular bar, between the ends of the rulers, can serve as a sliding rail for a lengthwise slide which carries a ruler which, in turn, can be adjusted into dif Schl't inclinations with respect to bothparallel rulers and which bridges the spacing between these parallel rulers.
- FIG. 3 is a topplan view of a second embodiment of-the inventive writing aid.
- FIG. 4 is a top plan view of a third embodiment ofinventive writing aid.
- reference numerals l and 2 designate two parallel extending rulers. It will be seen that two arm members 3 extend away from the ends of the ruler 1 at right angles thereto. Each of the arm members 3 is provided at its underside with a respective groove extending perpendicular to the rulers 1 and 2 and in which engage rib means provided at the ends of the ruler 2. This parallel guide arrangement renders possible displacement of the ruler 2 towards or away from the ruler 1 and thus permits selective adjustment of the spacing between both rulers l and 2.
- a circular rod or bar 4 is inserted above the ruler 2 into suitable grooves 3a of the arm members 3, as shown.
- the grooves 3a are closed towards the top by means of small plates 5 threadably connected with the ruler 2.
- a rotary knob 6 which is rigidly connected for rotation with the rod 4.
- a respective gear 7 which meshes with an associated gear rack 8 formed at the underside of each of the plates 5.
- a millimeter division or other type of graduated scale 9 at the opposite edges of the rulers 1 and 2 enables maintaining uniform the width of the individual characters, such as letters, as well as the spacing of the letters and the words.
- the same height of the letters results through contact of the writing instrument with the upper and lower rulers 2 and 1, respectively.
- the circular rod or bar 4 between the ends of the rulers extends above the ruler 2. Therefore, this rod 4 can serve in the most simple manner as a slide rail for a longitudinal slide member 12.
- the latter consists of a substantially sector-shaped portion 13 which carries at its upper surface two parallel ribs 14, the spacing of which corresponds to the diameter of the rod 4 and which receive this rod 4 therebetween.
- the sectorshaped portion 13 there is pivotably mounted about the pivot point 15 a short ruler 16.
- Short ruler 16 extends transverse to both rulers l and 2, and the length of which is dimensioned such that even for the largest spacing between the rulers l and 2 it bridges the intermediately disposed writing field.
- an angle scale 17 is applied to the sector-shaped portion 13 and the ruler 16 is equipped with a point 20 at its lengthwise extending axis. This point or tip 20 is visible through the sector-shaped member 13 formed of transparent material.
- the ruler 16 is equipped with a window 17 which-possesses at one or both edges 18 a scale or serrations. This scale is a further aid for intermediate parallel lines, as such occur, for
- the lengthwise or longitudinal slide member 12 serves as an aid for portions of the letters which extend transverse and at an inclination to the rulers 1 and 2, such as for the letters T,
- both of the rulers l, 2 can be adjusted in their spacing A with respect to one another, so that once again there appears between such rulers l, 2 a writing field, here designated by reference character 100, in which a desired size of writing can be freely written.
- a graduation or scale 28 permits, also for this embodiment, the arrangement of the width of the letters at a uniform spacing from one another.
- measurement rods 29 are secured to both ends of the ruler 2.
- the adjustment wheels 25 extend past the ruler surfaces.
- the device can be turned through 180 so that the wheels 25 come to bear upon the surface of the table, and by applying a slight pressure by means of the fingers to the ruler 2 and by displacing the device towards the left or the right proper desired adjustment of the rulers l, 2 is possible.
- FIG. 4 merely differs from that of the previous embodiment in that here both of the rulers 1 and 2 are pivotably connected with one another by links 30 or equivalent structure. These links 30 are fastened through the agency of rivets 31 with a tight fit at the rulers l and 2, whereby, during writing, these rulers are not unintentionally displaced.
- a writing aid for writing characters comprising two parallel rulers fixed at a spacing from one another to delimit a writing field for a constant height of the characters, means for selectively adjusting the spacing between both of said rulers, one of said rulers possessing protruding arm means extending towards and over the other of said rulers, said other ruler being slidably guided by said arm means substantially perpendicular to its lengthwise extension, and a circular bar rotatably mounted at said arm means of said one ruler, said circular bar extending substantially over the entire length of said other ruler, a rotary knob and gear means carried by said circular bar, gear rack means fixedly connected with said other ruler, said gear means cooperating with said gear rack means.
- a writing aid as defined in claim 1 wherein said circular bar serves as a slide rail between the ends of said rulers for a longitudinal slide, a longitudinal slide slidably mounted upon said slide rail, a ruler member carried by said longitudinal slide which can be adjusted to different inclinations with respect to both of said parallel rulers and which bridges the spacing between said parallel rulers.
- said longitudinal slide possesses graduation means extending in its lengthwise direction which serves as an aid for drawing intermediate parallel lines.
Landscapes
- Drawing Aids And Blackboards (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH750068A CH467175A (de) | 1968-05-15 | 1968-05-15 | Schreibgerät |
Publications (1)
Publication Number | Publication Date |
---|---|
US3602999A true US3602999A (en) | 1971-09-07 |
Family
ID=4326095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US823356A Expired - Lifetime US3602999A (en) | 1968-05-15 | 1969-05-09 | Writing aid |
Country Status (3)
Country | Link |
---|---|
US (1) | US3602999A (de) |
BE (1) | BE732682A (de) |
CH (1) | CH467175A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4194293A (en) * | 1979-04-09 | 1980-03-25 | Coe Stanley S | Lettering triangle |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2016985A (en) * | 1935-05-24 | 1935-10-08 | Carlson Gustaf | Lettering guide |
US2430230A (en) * | 1943-09-15 | 1947-11-04 | Keuffel & Esser Co | Lettering guide |
-
1968
- 1968-05-15 CH CH750068A patent/CH467175A/de unknown
-
1969
- 1969-05-07 BE BE732682D patent/BE732682A/xx unknown
- 1969-05-09 US US823356A patent/US3602999A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2016985A (en) * | 1935-05-24 | 1935-10-08 | Carlson Gustaf | Lettering guide |
US2430230A (en) * | 1943-09-15 | 1947-11-04 | Keuffel & Esser Co | Lettering guide |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4194293A (en) * | 1979-04-09 | 1980-03-25 | Coe Stanley S | Lettering triangle |
Also Published As
Publication number | Publication date |
---|---|
BE732682A (de) | 1969-10-16 |
CH467175A (de) | 1969-01-15 |
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