US117964A - Improvement in slates - Google Patents
Improvement in slates Download PDFInfo
- Publication number
- US117964A US117964A US117964DA US117964A US 117964 A US117964 A US 117964A US 117964D A US117964D A US 117964DA US 117964 A US117964 A US 117964A
- Authority
- US
- United States
- Prior art keywords
- slate
- slates
- rule
- improvement
- grooves
- 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
- 239000010454 slate Substances 0.000 description 12
- 230000000717 retained Effects 0.000 description 2
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
- 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
- B43L13/04—Guides for rulers
- B43L13/048—Guides for rulers with T-squares
Definitions
- This invention relates to the combination of a rule with a slate, when arranged so as to be movable over the face of the same, and kept in place by means of grooves made in the sides of the frame, the object being to afford an easy and ready means for drawing parallel lines.
- Figure 1' is a plan. view of the slate, showing the arrangement of the rule with the device for holding the pencil and sponge.
- Fig. 2 is a transverse section through the center of the slate and frame, showing the grooves for receiving the rule, also, a side view of rule, &c.
- the drawing represents one of the smaller sizes, several sizes bein g used.
- A represents the frame; B, the slate; (1,the rule. It slides over the face of the slate so that parallel lines may be drawn. It is retained in place by means of the grooves D D made in the frame, into which the ends E and F are inserted, as shown, so as to move easily along the said grooves.
- G represents the spring for holding the sponge and pencil, H being the part for holding the sponge, and I the part for holding the pencil.
Landscapes
- Processing Or Creating Images (AREA)
Description
WILLIAM F. BAADE.
Improved Slate.
I mm August 15, 1871.
w'i'rria ssz W W I INVENTOR PATENT QFFICE.
WILLIAM F. BAADE, OF BUFFALO, NEW YORK.
IMPROVEMENT IN SLATES.
Specification forming part of Letters Patent No. 117,964, dated August 15, 1871.
To all whom it may concern:
Be it known that I, WILLIAM F. BAADE, of Buffalo, in the county of Erie and State of New York, have invented certain new and useful Improvements in Slates, of which the following is a specification This invention relates to the combination of a rule with a slate, when arranged so as to be movable over the face of the same, and kept in place by means of grooves made in the sides of the frame, the object being to afford an easy and ready means for drawing parallel lines.
Figure 1' is a plan. view of the slate, showing the arrangement of the rule with the device for holding the pencil and sponge. Fig. 2 is a transverse section through the center of the slate and frame, showing the grooves for receiving the rule, also, a side view of rule, &c. The drawing represents one of the smaller sizes, several sizes bein g used.
A represents the frame; B, the slate; (1,the rule. It slides over the face of the slate so that parallel lines may be drawn. It is retained in place by means of the grooves D D made in the frame, into which the ends E and F are inserted, as shown, so as to move easily along the said grooves. G represents the spring for holding the sponge and pencil, H being the part for holding the sponge, and I the part for holding the pencil.
I claim as my invention The combination of the slate B with the rule 0, arranged within grooves, substantially as and for the purposes described.
WVitnesses: WILLIAM F. BAADE.
JAMES SANGSTER, AMos W. SANGsrER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US117964A true US117964A (en) | 1871-08-15 |
Family
ID=2187421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US117964D Expired - Lifetime US117964A (en) | Improvement in slates |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US117964A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4611406A (en) * | 1984-05-31 | 1986-09-16 | Illinois Tool Works Inc. | Enclosure for electrical data input apparatus |
| US20050041623A1 (en) * | 2003-07-09 | 2005-02-24 | Interdigital Technology Corporation | Method and system for managing radio resources in a time-slotted communication system |
-
0
- US US117964D patent/US117964A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4611406A (en) * | 1984-05-31 | 1986-09-16 | Illinois Tool Works Inc. | Enclosure for electrical data input apparatus |
| US20050041623A1 (en) * | 2003-07-09 | 2005-02-24 | Interdigital Technology Corporation | Method and system for managing radio resources in a time-slotted communication system |
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