US159294A - Improvement in rulers - Google Patents
Improvement in rulers Download PDFInfo
- Publication number
- US159294A US159294A US159294DA US159294A US 159294 A US159294 A US 159294A US 159294D A US159294D A US 159294DA US 159294 A US159294 A US 159294A
- Authority
- US
- United States
- Prior art keywords
- edge
- rulers
- metal
- improvement
- ruler
- 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
- 239000002184 metal Substances 0.000 description 14
- 210000000088 Lip Anatomy 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/02—Rulers with scales or marks for direct reading
- G01B3/04—Rulers with scales or marks for direct reading rigid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T225/00—Severing by tearing or breaking
- Y10T225/20—Severing by manually forcing against fixed edge
- Y10T225/298—Blades or severing devices
Definitions
- This invention relates to certain improvements in the manufacture of rulers; and consists in inserting in each edge thereof thin strips of metal of dicerent forms, as will be hereinafter more fully set forth.
- One edge of the ruler is beveled in the ordinary manner, and a thin strip of metal, a, is inserted in a groove formed diagonally in the edge thereof, which is so cut that there is formed a slnall under lip somewhat back from the true edge of the rule, but making a supy l port for the piece of sharpened metal a, which is secured therein by means of rivets, after which it is finished by being sharpened in the usual manner, forming a tine smooth edge for cutting paper.
- the opposite edge is nished with a convex and concave surface, and is also provided with a thin strip of metal, b, also inserted in a groove made parallel with the sides of the ruler in the convex portion of the edge thereof, and projecting outward a trifle less than one-eighth of an inch.
- This piece of metal is inserted parallel to the upper and lower surface of the rule, forming a smooth metallic edge for ruling.
- the sharpened edged metal A is placed into the Wooden center in a diagonal direction, so that its fine edge may rest upon the same surface as the flat side of the ruler.
- a combination ruler and paper-cutter constructed with the sharpened metal paper-cutter set at an angle into Wooden center, and so arranged that its edge rests upon the saine plane as the corresponding flat surface of its wooden center, as herein described.
Description
UNITED STATES PATENT OFFICE.
HENRY BELCHER AND THOMAS H. BELGHER, OF IRVINGTON, N. J.
IMPROVEMENT IN RULERS.
Specification forming part of Letters Patent No. 159.294, dated February 2, 1875; application tiled November 30, 1874.
To all whom Iit may concern:
Be it known that We, HENRY BELOHER and THOMAS H. BELCHER, both of the village of Irvington, in the county of Essex and State of New Jersey, have invented certain new and useful Improvements in Rulers; and We do hereby declare that the following is a full, clear, and exact description thereof, Which will enable others skilled in the art to which it pertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.
This invention relates to certain improvements in the manufacture of rulers; and consists in inserting in each edge thereof thin strips of metal of dicerent forms, as will be hereinafter more fully set forth.
One edge of the ruler is beveled in the ordinary manner, and a thin strip of metal, a, is inserted in a groove formed diagonally in the edge thereof, which is so cut that there is formed a slnall under lip somewhat back from the true edge of the rule, but making a supy l port for the piece of sharpened metal a, which is secured therein by means of rivets, after which it is finished by being sharpened in the usual manner, forming a tine smooth edge for cutting paper. The opposite edge is nished with a convex and concave surface, and is also provided with a thin strip of metal, b, also inserted in a groove made parallel with the sides of the ruler in the convex portion of the edge thereof, and projecting outward a trifle less than one-eighth of an inch. This piece of metal is inserted parallel to the upper and lower surface of the rule, forming a smooth metallic edge for ruling. The sharpened edged metal A is placed into the Wooden center in a diagonal direction, so that its fine edge may rest upon the same surface as the flat side of the ruler.
Having thus described our invention, what We claim as new, and desire to secure by Letters Patent of the United States, is-
A combination ruler and paper-cutter, constructed with the sharpened metal paper-cutter set at an angle into Wooden center, and so arranged that its edge rests upon the saine plane as the corresponding flat surface of its wooden center, as herein described.
In testimony that We claim the foregoing as our own invention We affix hereto our signatures in presence of two Witnesses.
HENRY BELGHER. THOS. H. BELCHER. Witnesses:
GEO. H. WILsoN, GEO. W. FRANCIS.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US159294A true US159294A (en) | 1875-02-02 |
Family
ID=2228704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US159294D Expired - Lifetime US159294A (en) | Improvement in rulers |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US159294A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4007542A (en) * | 1974-10-07 | 1977-02-15 | Bergendorff Fred R | Straightedge |
-
0
- US US159294D patent/US159294A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4007542A (en) * | 1974-10-07 | 1977-02-15 | Bergendorff Fred R | Straightedge |
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