GB1180366A - Stopwatch - Google Patents
StopwatchInfo
- Publication number
- GB1180366A GB1180366A GB31604/68A GB3160468A GB1180366A GB 1180366 A GB1180366 A GB 1180366A GB 31604/68 A GB31604/68 A GB 31604/68A GB 3160468 A GB3160468 A GB 3160468A GB 1180366 A GB1180366 A GB 1180366A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hammer
- hands
- base plate
- pivotally mounted
- returning
- 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
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/04—Measuring, counting, calibrating, testing or regulating apparatus for gearwork
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
- G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
- G04F7/08—Watches or clocks with stop devices, e.g. chronograph
- G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
- G04F7/0814—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with double hammer, i.e. one hammer acts on two counters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Electromechanical Clocks (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
1,180,366. Stopwatches. DAINI SEIKOSHA K.K. July 2, 1968 [Aug. 21, 1967], No.31604/68. Heading G3T. In a stopwatch having a hammer 1 having surfaces 2, 3 co-operating with heart shaped cams 10, 12, respectively, for returning the minute and second hands to zero positions, the hammer 1 is pivotally mounted on a member 14 adjustably secured to a base plate (not shown) whereby the member 14 may be positioned to ensure that the surfaces 2, 3 move in the paths required for correctly returning the hands to their zero positions. The member 14 may be provided with pairs of diametrically arranged apertures, a selected pair of which receives pins 16, 16<SP>1</SP> projecting from the base plate. In another embodiment the member 14 is provided with two openings having formed in their peripheries recesses engageable by the pins 16, 16<SP>1</SP>; and in a further construction the member 14 is adjustably and pivotally mounted on a pin 16, and is secured in an adjusted position by a screw passing through a slot therein.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5330167 | 1967-08-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1180366A true GB1180366A (en) | 1970-02-04 |
Family
ID=12938886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB31604/68A Expired GB1180366A (en) | 1967-08-21 | 1968-07-02 | Stopwatch |
Country Status (4)
Country | Link |
---|---|
US (1) | US3518826A (en) |
DE (1) | DE1773368C3 (en) |
FR (1) | FR1572002A (en) |
GB (1) | GB1180366A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3701250A (en) * | 1970-12-28 | 1972-10-31 | Xerox Corp | Adjustable return mechanism for a watch |
GB1405101A (en) * | 1971-08-20 | 1975-09-03 | Smiths Industries Ltd | Reset mechanisms for use in stopwatches |
EP1791042A1 (en) * | 2005-11-24 | 2007-05-30 | Vaucher Manufacture Fleurier SA | Hammer for a timepiece |
CH698827B1 (en) * | 2006-08-15 | 2009-11-13 | Chopard Manufacture Sa | Device reset for a timepiece. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH271999A (en) * | 1948-04-21 | 1950-11-30 | Vve James Aubert & Cie | Chronograph. |
CH279962A (en) * | 1949-11-26 | 1951-12-31 | D Horlogerie Minerva Sport S A | Time counter. |
CH285850A (en) * | 1950-07-31 | 1952-09-30 | Excelsior Park Les Fils De Jea | Timepiece. |
DE1003141B (en) * | 1952-10-30 | 1957-02-21 | Jeanneret & Co R | stopwatch |
-
1968
- 1968-05-07 DE DE1773368A patent/DE1773368C3/en not_active Expired
- 1968-07-01 US US741595A patent/US3518826A/en not_active Expired - Lifetime
- 1968-07-02 GB GB31604/68A patent/GB1180366A/en not_active Expired
- 1968-07-12 FR FR1572002D patent/FR1572002A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3518826A (en) | 1970-07-07 |
DE1773368C3 (en) | 1974-07-11 |
DE1773368A1 (en) | 1971-02-18 |
DE1773368B2 (en) | 1973-12-20 |
FR1572002A (en) | 1969-06-20 |
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