GB1354630A - Device for adjusting the hands of a tuning fork timepiece - Google Patents
Device for adjusting the hands of a tuning fork timepieceInfo
- Publication number
- GB1354630A GB1354630A GB5855572A GB5855572A GB1354630A GB 1354630 A GB1354630 A GB 1354630A GB 5855572 A GB5855572 A GB 5855572A GB 5855572 A GB5855572 A GB 5855572A GB 1354630 A GB1354630 A GB 1354630A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tuning fork
- stem
- lever
- spring
- gear train
- 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
- G04B27/00—Mechanical devices for setting the time indicating means
- G04B27/004—Mechanical devices for setting the time indicating means having several simultaneous functions, e.g. stopping or starting the clockwork or the hands
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Abstract
1354630 Setting electric watcher DAINI SEIKOSHA KK 19 Dec 1972 [27 Dec 1971] 58555/72 Heading G3T Upon pulling out a setting stem 16b of a tuning fork watch, the electricity supply is disconnected, thus stopping the oscillation of the tuning fork 2, and the gear train between the tuning fork and the seconds hand is prevented from moving; upon pushing in the stem the supply is reconnected, the gear train is released and an impulse is imported to the tuning fork to restart oscillation. In normal use magnetic blocks 2a, 2b on the tuning fork are driven by a coil 6 of a circuit block 4 which is powered by a battery 15 via a switch comprising a pin 21 and a spring 20. When the stem 16b is pulled out, a setting lever (not shown) rotates a lever 18 so that an insulating portion 18b moves spring 20 away from pin 21 thus opening the switch. At the same time the movement of the end 16a of the stem permits a lever 22 to rotate under the action of a spring 24 to engage a third wheel 12 and prevent rotation thereof. Wheel 12 is part of a gear train comprising an index wheel 8, driven by a rod 7 fixed to the tuning fork, and wheels 10, 11, 12 and 13, the last of which drives the seconds hand. When the stem is pushed in, a spring 25 mounted on lever 22 impacts on a projection 2c of the tuning fork which thus immediately begins to execute full oscillations.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47001558A JPS4871680A (en) | 1971-12-27 | 1971-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1354630A true GB1354630A (en) | 1974-06-05 |
Family
ID=11504842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5855572A Expired GB1354630A (en) | 1971-12-27 | 1972-12-19 | Device for adjusting the hands of a tuning fork timepiece |
Country Status (4)
Country | Link |
---|---|
US (1) | US3849977A (en) |
JP (1) | JPS4871680A (en) |
CH (1) | CH589316B5 (en) |
GB (1) | GB1354630A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH592328B5 (en) * | 1974-04-08 | 1977-10-31 | Suisse Horlogerie | |
JPS5619743Y2 (en) * | 1974-12-26 | 1981-05-11 | ||
US4055945A (en) * | 1975-12-15 | 1977-11-01 | Timex Corporation | Frequency adjustment means for an electronic timepiece |
JP3535524B2 (en) * | 1996-09-18 | 2004-06-07 | ランゲ ウーレン ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Apparatus for setting the minute hand of a timer with at least a minute hand and a second hand |
TWI716318B (en) * | 2020-04-30 | 2021-01-11 | 巨擘科技股份有限公司 | Smart watch device with power saving function |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2865163A (en) * | 1952-04-15 | 1958-12-23 | Elgin Nat Watch Co | Electrically-powered time device |
US2900786A (en) * | 1956-05-31 | 1959-08-25 | Bulova Watch Co Inc | Timepiece arrangement |
FR1405215A (en) * | 1962-07-10 | 1965-07-09 | Lip Sa | Advanced electric watch |
US3441820A (en) * | 1967-08-18 | 1969-04-29 | Gen Time Corp | Timing system having electromechanical oscillator with fail-safe improvement |
US3526088A (en) * | 1968-06-21 | 1970-09-01 | Timex Corp | Watch setting crown mechanism |
-
1971
- 1971-12-27 JP JP47001558A patent/JPS4871680A/ja active Pending
-
1972
- 1972-12-19 GB GB5855572A patent/GB1354630A/en not_active Expired
- 1972-12-27 CH CH1891072A patent/CH589316B5/en not_active IP Right Cessation
- 1972-12-27 US US00318761A patent/US3849977A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH589316B5 (en) | 1977-06-30 |
CH1891072A4 (en) | 1974-07-31 |
JPS4871680A (en) | 1973-09-27 |
US3849977A (en) | 1974-11-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |