US221490A - Improvement in clock-escapements - Google Patents
Improvement in clock-escapements Download PDFInfo
- Publication number
- US221490A US221490A US221490DA US221490A US 221490 A US221490 A US 221490A US 221490D A US221490D A US 221490DA US 221490 A US221490 A US 221490A
- Authority
- US
- United States
- Prior art keywords
- clock
- escapements
- shaft
- pendulum
- improvement
- 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
- 230000003028 elevating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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
- G04B15/00—Escapements
Definitions
- Figure l is a front view
- Fig. 2 a side view, of my improved clock-escapement
- Fig. 3 sh ows a modification of the same.
- A represents the frame of a clock.
- the escapenient-arm B is provided with a series of holes, a", for changing the pivot to aid in regulating the length of the vibration in connection with elevating or lowering the bob on the pendulum-wire.
- O is the 1i)endulu-m-wire, pivoted at i, which is also provided with a series of holes, y, for changing the position of the spiral spring F, which connects said wire with the arm B.
- the pendulum-bob G should be adjustable on the wire O.
- the shaft D takes the place of the escapement wheel and shaft in clocks now in use, and on said shaft are to be six, eight, or more cogs to connect with a system of wheels similar to those already in use, except that the shaft D must rotate faster than the corresponding shaft in other systems, since there can be but two strokes of the pendulum to each revolution of the shaft.
- the spiral spring F should be of such material as to allow the pendulum to continue its vibrations for a while after the clock runs down.
- Fig. 3 I have shown a modification of the escapeinent-arm, consisting in extending the arm itself to form a spring, which is to spring in unison with the pendulum-wire, which wire is to be of the style already in use, and attached to the front part of the clock frame.
Description
R. S. ABERNETHY. Glock-Esoapemen t.
Patented Nov. 11,1879.
No.-22l,490.
E TOR 387 wJ-r- ATTORNEYS WITNESSES UNITED STATES PATENT OFFICE ROBERT S. ABERNETHY, OF HAPPY HOME, NORTH CAROLINA.
IMPROVEMENT IN CLOCK-ESCAPEMENTS.
Specification forming part of Letters Patent No. 221,490, dated November 11, 1879; application filed September 26, 1879.
To all whom "it may concern:
Be it known that I, ROBERT S. ABERNETHY, of Happy Home, in the county of Burke, and in the State of North Carolina, have invented certain new and useful Improvements in 01001:- Escapements; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, making a part of this specification.
The nature of my invention consists in the construction and arrangement of a clock-escapement, as will be hereinafter more fully set forth. v
In the annexed drawings, Figure l is a front view, and Fig. 2 a side view, of my improved clock-escapement. Fig. 3 sh ows a modification of the same.
A represents the frame of a clock. Bis the escapement-arni, pivoted at a, and having its upper end forked, the two prongs b b being spaced to correspond to the diameter of an eccentric, d, 011 the end of the main shaft D. The escapenient-arm B is provided with a series of holes, a", for changing the pivot to aid in regulating the length of the vibration in connection with elevating or lowering the bob on the pendulum-wire.
O is the 1i)endulu-m-wire, pivoted at i, which is also provided with a series of holes, y, for changing the position of the spiral spring F, which connects said wire with the arm B. By elevating the spring F the length of vibration will be shorter, and by lowerin the spring it will be longer.
The pendulum-bob G should be adjustable on the wire O.
The shaft D takes the place of the escapement wheel and shaft in clocks now in use, and on said shaft are to be six, eight, or more cogs to connect with a system of wheels similar to those already in use, except that the shaft D must rotate faster than the corresponding shaft in other systems, since there can be but two strokes of the pendulum to each revolution of the shaft.
The spiral spring F should be of such material as to allow the pendulum to continue its vibrations for a while after the clock runs down.
In Fig. 3 I have shown a modification of the escapeinent-arm, consisting in extending the arm itself to form a spring, which is to spring in unison with the pendulum-wire, which wire is to be of the style already in use, and attached to the front part of the clock frame.
Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-
In a pendulum-clock, the combination of the shaft D, provided with the eccentric d, the forked escapement-bar B, and a spring connecting said bar with the pendulum, substantially as and for the purposes herein set forth. In testimony that I claim the foregoing I have hereunto set my hand this 5th day of September, 1879.
ROBT. S. ABERNETHY. Witnesses:
HENRY L. OAPUs, H. A. ABERNETHY.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US221490TA | 1879-09-26 | 1879-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US221490A true US221490A (en) | 1879-11-11 |
Family
ID=32848740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US221490D Expired - Lifetime US221490A (en) | 1879-09-26 | 1879-09-26 | Improvement in clock-escapements |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US221490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3395533A (en) * | 1966-12-20 | 1968-08-06 | Gregory R. Campbell | Pendulum clock mechanism |
-
1879
- 1879-09-26 US US221490D patent/US221490A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3395533A (en) * | 1966-12-20 | 1968-08-06 | Gregory R. Campbell | Pendulum clock mechanism |
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