US3922846A - Date setting device of a calendar watch - Google Patents

Date setting device of a calendar watch Download PDF

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Publication number
US3922846A
US3922846A US523520A US52352074A US3922846A US 3922846 A US3922846 A US 3922846A US 523520 A US523520 A US 523520A US 52352074 A US52352074 A US 52352074A US 3922846 A US3922846 A US 3922846A
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US
United States
Prior art keywords
date
rotation
stem
setting
wheel
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
Application number
US523520A
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English (en)
Inventor
Jean-Pierre Gerber
Jean-Daniel Leimgruber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zenith Time SA
Original Assignee
Zenith Time SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zenith Time SA filed Critical Zenith Time SA
Application granted granted Critical
Publication of US3922846A publication Critical patent/US3922846A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/25—Devices for setting the date indicators manually

Definitions

  • the invention relates 'to'watclies, and is particularly I concerned with devices for setting the date indication of a calendar watch by rotation of a-winding and setting stem.
  • the improvement provided by the invention comprises means for operatively connecting the stem in said pushed-in position to the winding train in response to rotation of the stern in one direction and to the date ring in response to rotation of the stem in the opposite direction.
  • the device shown in the drawing is intended for the rapid setting of date indications carried by a date-ring 1 (FIGS. 3 and 4) by the rotation of a winding stem 2 in the direction opposite to that for winding.
  • the stem 2 drives a winding pinion 3 which in turn drives a crown wheel 4.
  • the crown wheel 4 is mounted on a non-circular hub 5 provided integral with and upstanding from bridge 9 and on which crown wheel 4 may be laterally displaced and turn.
  • the hub 5 has a smooth lateral surface formed by two similar circular segments 5a and 5b whose radii are equal to the radius of a circular opening 4a of crown wheel 4.
  • the date setting mecha nism includes a shaft 8 pivotally mounted between bottom plate 10 and bridge 9; the pinion 7 is mounted on asquare at one end of shaft 8 and is held by a screw 11.
  • acorrector 12 having a lug 13 which, upon rotationof the shaft 8 by one turnydrives a toothla of the date-ring 1 by one step.
  • the'corrector 12 preferably has the form of a heart which, under the effect of a sprung hammer l4, normally holds the lug 13 in an inoperative position out of the trajectory of the teeth la of date-ring l.
  • the date-indicating calendar watch incorporating the described device may be provided with a winding stem 2 having two axial positions, a pushed-in one for'winding and setting of the date, and apulled-out one for setting of the time.
  • a winding stem having three axial positions: a pushed-in winding and date setting position, an intermediate position, and a pulled-out time-setting position, the intermediate position being reserved for the setting of a supplementary member, such as a day-star, an indicator for the time of ringing of an alarm, of a device for setting an hour hand in steps of one hour, upon a change of time zone, for example.
  • a supplementary member such as a day-star
  • an indicator for the time of ringing of an alarm of a device for setting an hour hand in steps of one hour, upon a change of time zone, for example.
  • the crown wheel 4 could be fixed against lateral displacement and simultaneously mesh with wheels 6 and 7 which act via respective one-way driving means such as inverted breguets, to drive the barrel arbor when the stem is turned in the winding direction and the date-rin g when it is turned in the opposite direction.
  • driving means such as inverted breguets
  • the described device is simple and enables an easy setting of the date with a two-position winding stem. This is specially advantageous in an automatically wound watch where the necessity of manually winding is extremely rare.
  • a date-indicating watch comprising;
  • a rotatable winding and setting stern having at least two distinct axial positions including a pushed-in position and a pulled-out position;
  • a date ring a date-setting wheel connected with the date ring to set the same;
  • a rotatable crown wheel operatively connected with the stem for rotation in a direction corresponding to the direction of rotation of the stem
  • means for operatively connecting the stem by the crown wheel, in said pushed-in position of the stem, to the winding train in response to rotation of the stem in said one direction and to the datesetting wheel in response to rotation of the stem in the opposite direction comprising means for mounting the crown wheel for lateral displacement to a first position meshing with the winding train in response to rotation of the crown wheel in said one direction and to a second position meshing with the date-setting wheel in response to rotation of the crown wheel in the opposite direction
  • said mounting means including a hub having two opposite like circular segments defined by intersecting circles of given radius, and said crown wheel having an inner circular bearing surface whose radius is equal to said given radius, said bearing surface selectively bearing against said segments according to the direction of rotation of the crown wheel.
  • a date-indicating watch comprising;
  • a rotatable winding and setting stem having at least two distinct axial positions including a pushed-in position and a pulled-out position;
  • means comprising a rotatable crown wheel, for operatively connecting the stem in said pushed-in position to the winding train in response to rotation of the stem in one direction and to the date-setting wheel in response to rotation of the stem in the opposite direction, the crown wheel being mounted to selectively occupy a first position for meshing with the winding train in response to rotation of the crown wheel in said one direction and in a second position for meshing with the date-setting wheel in response to rotation of the crown wheel in the opposite direction;

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
US523520A 1973-12-07 1974-11-13 Date setting device of a calendar watch Expired - Lifetime US3922846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1718273A CH592325B5 (zh) 1973-12-07 1973-12-07

Publications (1)

Publication Number Publication Date
US3922846A true US3922846A (en) 1975-12-02

Family

ID=4423408

Family Applications (1)

Application Number Title Priority Date Filing Date
US523520A Expired - Lifetime US3922846A (en) 1973-12-07 1974-11-13 Date setting device of a calendar watch

Country Status (3)

Country Link
US (1) US3922846A (zh)
JP (1) JPS5092772A (zh)
CH (2) CH1718273A4 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11550267B2 (en) 2017-03-22 2023-01-10 Manufacture D'horlogerie Audemars Piguet Sa Device for adjusting the functions of a timepiece

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587353Y2 (ja) * 1977-11-08 1983-02-08 セイコーインスツルメンツ株式会社 時計の切換機構

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828546A (en) * 1971-02-03 1974-08-13 Suwa Seikosha Kk Setting means for time zone watch with calendar display

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4331167Y1 (zh) * 1966-09-06 1968-12-18
AT319853B (de) * 1971-07-27 1975-01-10 Allemann Praez Smaschb Ets Schnellkorrektureinrichtung für Uhren

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828546A (en) * 1971-02-03 1974-08-13 Suwa Seikosha Kk Setting means for time zone watch with calendar display

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11550267B2 (en) 2017-03-22 2023-01-10 Manufacture D'horlogerie Audemars Piguet Sa Device for adjusting the functions of a timepiece

Also Published As

Publication number Publication date
CH592325B5 (zh) 1977-10-31
CH1718273A4 (zh) 1977-03-15
JPS5092772A (zh) 1975-07-24

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