US183094A - Improvement in lock-work attachments for clocks - Google Patents
Improvement in lock-work attachments for clocks Download PDFInfo
- Publication number
- US183094A US183094A US183094DA US183094A US 183094 A US183094 A US 183094A US 183094D A US183094D A US 183094DA US 183094 A US183094 A US 183094A
- Authority
- US
- United States
- Prior art keywords
- clocks
- improvement
- wire
- lock
- trip
- 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
- 238000010276 construction Methods 0.000 description 4
- 206010022114 Injury Diseases 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000002184 metal Substances 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
- G04B21/00—Indicating the time by acoustic means
- G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
- G04B21/10—Releasing or locking the regular stroke, e.g. for silence during the night
Definitions
- Figure l is a rear view of a clock-work to which my improvement has been applied.
- Fig. 2 is a detail view, illustrating the movement when the hands are turned forward.
- Fig. 3 is a detail view, illustrating the movement when the hands are turned forward.
- FIG. 4 is a detail view, illustrating the movement when the hands are turned backward.
- Fig. 4 is the same view as Fig. 3, turned one quarter around.
- the object of this invention is to furnish an improved attachment for the works of striking-clocks, to enable the hands to be turned back in setting the clocks without any danger of breaking any part of the said works, and which shall be simple in construction, and will not increase the cost of the works.
- Lifting devices for striking-clocks have been made with a or cam shaped piece of metal upon the arbor of the minute-hand acting against a straight wire that lets off the striking device.
- My improvement is made for employing the ordinary bent wire hook upon the arbor of the minute-hand and the ordinary bent trip-wire, and for allowing the clock-hands to be turned back without injury to the parts. This is accomplished by the addition to the trip-wire of an inclined or cam-plate that causes the hook or bent arm upon the arbor to force the tripwire aside laterally, if the hands are turned back past the hour.
- the trip-wire springs back to place when the bent arm passes clear of it, but it operates in the usual manner when the striking mechanism is disengaged or tripped.
- A is the minute-hand, which is attached to the shaft B, and is carried around by and with it.
- an arm, G To the shaft B is attached an arm, G, which, at each revolution of the shaft B, strikes and pushes hack the trip-wire D, which releases the striking mechanism and allows it to strike.
Description
J. W. WILLIAMS.
LOCK WORK ATTACHMENT FOR CLDCK'S.
No.183,094, Patented 001:.10. 1876.
WITNESSES JAMES ROSGOOD P; CO. BOSTON,
UNITED STATES PATENT QFEIGE.
JOHN W. WILLIAMS, OF NEW YORK, N. Y.
Specification forming part of Letters Patent No. 183,094, dated October 10, 1876; application filed July 1, 1876.
To all whom it may concern: Be it known that I, JOHN W. WILLIAMS, of the city, county, and State of New York, have invented a new and useful Improvement in Clock -Works, of which the following is a specification:
Figure l is a rear view of a clock-work to which my improvement has been applied. Fig. 2 is a detail view, illustrating the movement when the hands are turned forward. Fig. 3
is a detail view, illustrating the movement when the hands are turned backward. Fig. 4 is the same view as Fig. 3, turned one quarter around.
Similar letters of reference indicate corresponding parts.
The object of this invention is to furnish an improved attachment for the works of striking-clocks, to enable the hands to be turned back in setting the clocks without any danger of breaking any part of the said works, and which shall be simple in construction, and will not increase the cost of the works.
Lifting devices for striking-clocks have been made with a or cam shaped piece of metal upon the arbor of the minute-hand acting against a straight wire that lets off the striking device.
My improvement is made for employing the ordinary bent wire hook upon the arbor of the minute-hand and the ordinary bent trip-wire, and for allowing the clock-hands to be turned back without injury to the parts. This is accomplished by the addition to the trip-wire of an inclined or cam-plate that causes the hook or bent arm upon the arbor to force the tripwire aside laterally, if the hands are turned back past the hour. The trip-wire springs back to place when the bent arm passes clear of it, but it operates in the usual manner when the striking mechanism is disengaged or tripped.
A is the minute-hand, which is attached to the shaft B, and is carried around by and with it. To the shaft B is attached an arm, G, which, at each revolution of the shaft B, strikes and pushes hack the trip-wire D, which releases the striking mechanism and allows it to strike.
l/Vith this construction, if the minute-hand A is turned back, as the arm 0 comes around it catches upon the trip-wire D, and if the hand A is turned back any farther something must break. To prevent this breakage, I attach a small inclined or cam plate, E, to the trip-wire D in such a position that as the arm 0 comes around its end will strike against the plate E, push the trip-wire D to one side, and pass it without releasing the striking mechanism.
Having thus described my invention, I claim as new and desire to secure by Letters Patent The combination, with the ordinary hook or bent arm 0 and the ,trip-wire D, of an incline or cam plate, E, attached to the trip-wire D, and operating in the manner and for the purposes set forth.
JOHN W. WILLIAMS.
Witnesses:
J AMES T. GRAHAM, T. B. MOSHER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US183094A true US183094A (en) | 1876-10-10 |
Family
ID=2252499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US183094D Expired - Lifetime US183094A (en) | Improvement in lock-work attachments for clocks |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US183094A (en) |
-
0
- US US183094D patent/US183094A/en not_active Expired - Lifetime
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