US247918A - Clock for magic lanterns - Google Patents
Clock for magic lanterns Download PDFInfo
- Publication number
- US247918A US247918A US247918DA US247918A US 247918 A US247918 A US 247918A US 247918D A US247918D A US 247918DA US 247918 A US247918 A US 247918A
- Authority
- US
- United States
- Prior art keywords
- clock
- dial
- magic
- magic lanterns
- glass
- 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
- 241001465382 Physalis alkekengi Species 0.000 title description 6
- 239000011521 glass Substances 0.000 description 10
- 238000010276 construction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920002892 amber Polymers 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/34—Position of the hands projected optically
Definitions
- the object of my invention is the production of a clock the dial and hands of which may be projected upon a canvas or similar surface, like the pictures of a magic lantern, so as to be plainly visible at night.
- Myinvention consists, principally, ofa transparent dial placed in front of a light-ch amber or lantern, in combination with means whereby the hands of the clock are caused to move over the dial.
- Figure l is a front elevation of my invention.
- Fig. 2 is a central vertical section.
- Fig. 3 is an elevation of one of the hand-wheels removed.
- Fig. 4 is a section ofthe same when formed of two plates of glass.
- the clock-m ovement may be of any approved construction, and it is preferably secured upon formed around the inner edges of the metal rings b b.
- Upon the glass disks 0 is painted the minute-hand c, and upon the disk 0 is painted the hour-hand c.
- the outer edges of the annular rings b b are formed with cogs, which mesh with the large cog-wheels d (1, secured upon the hanrl-arbors of the clock-movement, from which they receive and impart the proper relative motion to the wheels carrying the hands.
Description
(Model.)
I. A. JAE KEL.
GLOUK FOR MAGIC LANTERNS.
Patented Oct. 4,1881.
INVENTOR v WITNESSES:
XMV BY 4% ATTORNEYS.
UNITED STATES PATENT OFFICE.
FERDINAND A. JAEKEL, OF CINCINNATI, OHIO.
CLOCK FOR MAGIC LANTERNS.
SPECIFICATION forming part of Letters Patent No. 247,918, dated October 4, 1881.
Application filed June 8, 1881 (ModeL) To all whom it may concern:
Be it known that I, FERDINAND A. J AEKEL, of Cincinnati, in the county of Hamilton and State of Ohio, have invented a new and useful Improvement in Clocks, of which the following is a full, clear, and exact specification.
The object of my invention is the production of a clock the dial and hands of which may be projected upon a canvas or similar surface, like the pictures of a magic lantern, so as to be plainly visible at night.
Myinvention consists, principally, ofa transparent dial placed in front of a light-ch amber or lantern, in combination with means whereby the hands of the clock are caused to move over the dial.
In the accompanying drawings, Figure l is a front elevation of my invention. Fig. 2 is a central vertical section. Fig. 3 is an elevation of one of the hand-wheels removed. Fig. 4 is a section ofthe same when formed of two plates of glass.
Similar letters of reference indicate corrcspending parts.
The clock-m ovement may be of any approved construction, and it is preferably secured upon formed around the inner edges of the metal rings b b. Upon the glass disks 0 is painted the minute-hand c, and upon the disk 0 is painted the hour-hand c. The outer edges of the annular rings b b are formed with cogs, which mesh with the large cog-wheels d (1, secured upon the hanrl-arbors of the clock-movement, from which they receive and impart the proper relative motion to the wheels carrying the hands.
In order that the dial and thedisksc 0 may be cleaned without disturbing the paint or other material with which the figures and hands are placed upon the glass,I propose to make them of double plates, as shown in Fig. 4, cemented or otherwise secured together, the painting being placed upon one of the inner surfaces.
By this construction and arrangement all the advantages of an illuminated clock are obtained at a comparatively small cost.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- The combination of the chamber A, having a glass dial, B, the stud a in the center of said dial, and carrying the hand wheels or disks 0 0, made of glass, and the metallic cogged rings 12 b, meshing with cog-wheels on the hand-arbors of the clock-movement, for the purpose specified.
FERDINAND AUGUST JAEKEL,
I Witnesses:
ANDREW JOHN GEHRUM, EMIL Rona.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US247918A true US247918A (en) | 1881-10-04 |
Family
ID=2317239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US247918D Expired - Lifetime US247918A (en) | Clock for magic lanterns |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US247918A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4461580A (en) * | 1977-05-09 | 1984-07-24 | Sintel S.A. | Watch, the back cover of which constitutes a plate |
-
0
- US US247918D patent/US247918A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4461580A (en) * | 1977-05-09 | 1984-07-24 | Sintel S.A. | Watch, the back cover of which constitutes a plate |
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