GB662035A - An improved seconds' mechanism for a watch movement - Google Patents
An improved seconds' mechanism for a watch movementInfo
- Publication number
- GB662035A GB662035A GB26887/49A GB2688749A GB662035A GB 662035 A GB662035 A GB 662035A GB 26887/49 A GB26887/49 A GB 26887/49A GB 2688749 A GB2688749 A GB 2688749A GB 662035 A GB662035 A GB 662035A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wheel
- seconds
- wheels
- driven
- driving
- 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
Links
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
- G04B13/00—Gearwork
- G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Abstract
662,035. Watches. EBAUCHES SOC. ANON. Oct. 19, 1949 [July 1, 1949], No. 26887/49. Class 139 A seconds mechanism for a watch movement comprises two co-axial wheels 15, 16, Figs. 2, 3, one driving (15) and the other driven (16), these two wheels being connected with one another by a spring 7 and having the same number of teeth, and an arresting member co-operating with these two wheels in such a way that on passage of each tooth of the driving wheel 15 the arresting member will be displaced by an amount sufficient to afford passage to the driven wheel 16 which is then actuated by the spring 7. The diameter of the driven wheel 16 is greater than that of the driving wheel and the arresting member is constituted by a double pawl 17, 17b, one arm 17b of which co-operates with the driving wheel and the other arm 17 with the driven wheel 16. A pin 12 on the wheel 15 cooperates with the spokes of the wheel 16 to determine the relative initial positions of the wheels 15, 16. The arrangement is such that with the wheel 15 " beating " fifths of a second the wheel 16 " beats " full seconds and is connected through the gears 3 and 2 to the seconds hand.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH662035X | 1949-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB662035A true GB662035A (en) | 1951-11-28 |
Family
ID=4526978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB26887/49A Expired GB662035A (en) | 1949-07-01 | 1949-10-19 | An improved seconds' mechanism for a watch movement |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB662035A (en) |
-
1949
- 1949-10-19 GB GB26887/49A patent/GB662035A/en not_active Expired
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