GB846436A - Improvements in or relating to a chronometer - Google Patents

Improvements in or relating to a chronometer

Info

Publication number
GB846436A
GB846436A GB30207/58A GB3020758A GB846436A GB 846436 A GB846436 A GB 846436A GB 30207/58 A GB30207/58 A GB 30207/58A GB 3020758 A GB3020758 A GB 3020758A GB 846436 A GB846436 A GB 846436A
Authority
GB
United Kingdom
Prior art keywords
wheel
train
sept
hands
indicating
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
Application number
GB30207/58A
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.)
BATORI COMP Co Inc
Ulysse Nardin SA
Original Assignee
BATORI COMP Co Inc
Ulysse Nardin 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 BATORI COMP Co Inc, Ulysse Nardin SA filed Critical BATORI COMP Co Inc
Publication of GB846436A publication Critical patent/GB846436A/en
Expired legal-status Critical Current

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
    • G04B19/00—Indicating the time by visual means
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/23—Arrangements for indicating different local apparent times; Universal time pieces by means of additional hands or additional pairs of hands
    • G04B19/235—Arrangements for indicating different local apparent times; Universal time pieces by means of additional hands or additional pairs of hands mechanisms for correcting the additional hand or hands

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

846,436. Clocks and watches. BATORI COMPUTER CO. Inc., and NARDIN, U. S. A. Sept. 22, 1958 [Sept. 23, 1957], No. 30207/58. Class 139 A timepiece has two mainsprings driving two movements one with hands 10, 11, 12, Fig. 1, indicating standard time and the other with hands 13, 14, 15 indicating the hour angle corresponding to sidereal time. The third wheel 25, Fig. 2, of the sidereal time train drives a sun wheel of a differential gear 26 the planet carrier of which meshes with a pinion 27 on the fourth wheel arber 20a of the standard time train. A common winding train 35, 36, 37 is provided for the barrels 16, 17.
GB30207/58A 1957-09-23 1958-09-22 Improvements in or relating to a chronometer Expired GB846436A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH846436X 1957-09-23

Publications (1)

Publication Number Publication Date
GB846436A true GB846436A (en) 1960-08-31

Family

ID=4541878

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30207/58A Expired GB846436A (en) 1957-09-23 1958-09-22 Improvements in or relating to a chronometer

Country Status (1)

Country Link
GB (1) GB846436A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1020299C2 (en) * 2002-04-04 2003-10-13 Albert Van Selst Clock and watch fitted with such a clock.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1020299C2 (en) * 2002-04-04 2003-10-13 Albert Van Selst Clock and watch fitted with such a clock.
WO2003085460A2 (en) * 2002-04-04 2003-10-16 Albert Van Selst World clock
WO2003085460A3 (en) * 2002-04-04 2004-05-27 Selst Albert Van World clock

Similar Documents

Publication Publication Date Title
US5023849A (en) Astronomic timepiece and disc intended for use therein
GB1241471A (en) Timepiece with rotatable bezels
CH630773B (en) ELECTRONIC CLOCK.
GB1036623A (en) Watch with a centre seconds hand
DE2963613D1 (en) Clockwork with hands comprising a differential-gear mechanism
GB1187752A (en) An Improved Horological Movement
GB846436A (en) Improvements in or relating to a chronometer
GB703589A (en) A self-winding watch
IT1148794B (en) REDUCED THICKNESS WRISTWATCH
JPS53144776A (en) Crystal wristwatch
GB1025165A (en) Improvements in or relating to motion transformers for electronically controlled timepiece
JPS5356066A (en) Photoelectric analog display watch
GB369023A (en) Improvements in or relating to clocks or watches
GB1231240A (en)
GB779292A (en) Improvements in or relating to horological instruments
JPS5355162A (en) Wristwatch
GB1331153A (en) Timepiece
GB790810A (en) Improvements in or relating to clocks
JPS52127360A (en) Construction of compact electronic timepiece
FR2348519A1 (en) ELECTRONIC WATCH WITH TOGETHER CLEARANCE
JPS51117667A (en) Liquid crystal display clock
GB816404A (en) Improvements in or relating to self-winding watches
GB504481A (en) Improvements relating to clocks and other time-keeping mechanisms
GB969933A (en) Spring-pressed jumper for timepieces
GB1220836A (en) Timepiece