GB955375A - Improvements relating to watch and clock balances - Google Patents
Improvements relating to watch and clock balancesInfo
- Publication number
- GB955375A GB955375A GB2614662A GB2614662A GB955375A GB 955375 A GB955375 A GB 955375A GB 2614662 A GB2614662 A GB 2614662A GB 2614662 A GB2614662 A GB 2614662A GB 955375 A GB955375 A GB 955375A
- Authority
- GB
- United Kingdom
- Prior art keywords
- balance
- spring
- watch
- shield
- clock
- 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
- G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
- G04B43/002—Component shock protection arrangements
-
- 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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—Oscillators acting by spring tension
- G04B17/06—Oscillators with hairsprings, e.g. balance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Abstract
955,375. Clocks and watches. R. A. SMITH, and C. A. SMITH, [trading as SHIELD WATCH CO]. Feb. 12, 1963 [July 7, 1962], No. 26146/62. Heading G3T. A watch or clock balance and balance spring assembly, of the kind wherein the inner end of the balance spring 5, which is of the flat volute type, is attached (such as by a collet) to the balance staff 3, and the outer end is anchored to a fixed stud, and wherein the key of a regulating lever engages the outer coil of the balance spring, is provided with a disc-like shield or guard 4 of a diameter approximately equal to that of the flat volute-type spring, this shield or guard being a separate part surrounding the balance staff and mounted on and secured to the usual arms 2 of the balance so as to be located between said arms and the spring. The device ensures that under the effect of shock, the inner coils of the spring do not deflect unduly and hence do not rebound so as to be caught' or hooked up on the stud or the key of the regulator.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2614662A GB955375A (en) | 1962-07-07 | 1962-07-07 | Improvements relating to watch and clock balances |
CH218763D CH218763A4 (en) | 1962-07-07 | 1963-02-21 | |
CH218763A CH390155A (en) | 1962-07-07 | 1963-02-21 | Balance wheel and hairspring assembly for watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2614662A GB955375A (en) | 1962-07-07 | 1962-07-07 | Improvements relating to watch and clock balances |
Publications (1)
Publication Number | Publication Date |
---|---|
GB955375A true GB955375A (en) | 1964-04-15 |
Family
ID=10239120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2614662A Expired GB955375A (en) | 1962-07-07 | 1962-07-07 | Improvements relating to watch and clock balances |
Country Status (2)
Country | Link |
---|---|
CH (2) | CH218763A4 (en) |
GB (1) | GB955375A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015087208A (en) * | 2013-10-30 | 2015-05-07 | シチズンホールディングス株式会社 | Governor for timepiece |
CN113341673A (en) * | 2020-03-02 | 2021-09-03 | 精工时计株式会社 | Scroll spring, torque generating device, timepiece movement, and timepiece |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3252542B1 (en) * | 2016-06-01 | 2022-05-18 | Rolex Sa | Part for fastening a timepiece hairspring |
-
1962
- 1962-07-07 GB GB2614662A patent/GB955375A/en not_active Expired
-
1963
- 1963-02-21 CH CH218763D patent/CH218763A4/xx unknown
- 1963-02-21 CH CH218763A patent/CH390155A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015087208A (en) * | 2013-10-30 | 2015-05-07 | シチズンホールディングス株式会社 | Governor for timepiece |
CN113341673A (en) * | 2020-03-02 | 2021-09-03 | 精工时计株式会社 | Scroll spring, torque generating device, timepiece movement, and timepiece |
Also Published As
Publication number | Publication date |
---|---|
CH218763A4 (en) | 1964-12-15 |
CH390155A (en) | 1964-12-15 |
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