FR1095987A - Device indicating the unwinding of the mainspring of a timepiece - Google Patents

Device indicating the unwinding of the mainspring of a timepiece

Info

Publication number
FR1095987A
FR1095987A FR1095987DA FR1095987A FR 1095987 A FR1095987 A FR 1095987A FR 1095987D A FR1095987D A FR 1095987DA FR 1095987 A FR1095987 A FR 1095987A
Authority
FR
France
Prior art keywords
mainspring
timepiece
unwinding
device indicating
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
Other languages
French (fr)
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.)
FELSA
Original Assignee
FELSA
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 FELSA filed Critical FELSA
Application granted granted Critical
Publication of FR1095987A publication Critical patent/FR1095987A/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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Retarders (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Gears, Cams (AREA)
FR1095987D 1953-04-01 1954-03-24 Device indicating the unwinding of the mainspring of a timepiece Expired FR1095987A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH2720747X 1953-04-01
CH1006349X 1953-04-01
CH313605T 1953-04-01
CH1095987X 1953-04-01

Publications (1)

Publication Number Publication Date
FR1095987A true FR1095987A (en) 1955-06-08

Family

ID=61622061

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1095987D Expired FR1095987A (en) 1953-04-01 1954-03-24 Device indicating the unwinding of the mainspring of a timepiece

Country Status (4)

Country Link
US (1) US2720747A (en)
CH (1) CH313605A (en)
DE (1) DE1006349B (en)
FR (1) FR1095987A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH685963GA3 (en) * 1993-11-25 1995-11-30 Lemania Nouvelle Sa Spring driven analogue watch mechanism with manual or automatic winding

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774252A (en) * 1954-09-04 1956-12-18 Felsa S A Differential gear
DE602007002471D1 (en) * 2007-03-13 2009-10-29 Montres Breguet Sa Watch with power reserve indicator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9349C (en) * A. LANGE 8t SÖHNE in Glashütte, Sachsen Device on pocket watches to recognize whether the clock has been wound or expired, respectively. how long it still has to go before the complete expiry
FR411137A (en) * 1909-12-24 1910-06-08 Pol Ravigneaux Clockwork spring development indicator
US1143567A (en) * 1911-07-13 1915-06-15 Waltham Watch Co Winding-indicator.
US1256715A (en) * 1913-03-01 1918-02-19 Joseph Mazer Winding-indicator.
US1167582A (en) * 1913-03-01 1916-01-11 Joseph Mazer Winding-indicator.
DE732162C (en) * 1940-09-06 1943-02-23 Otto Lange Device for displaying the progress or winding of a clock
CH263707A (en) * 1947-11-27 1949-09-15 Le Coultre & Cie Wristwatch.
CH284137A (en) * 1950-04-19 1952-07-15 Jeanneret Herbert Device indicating the development of the spring of a timepiece.
CH289108A (en) * 1951-03-14 1953-02-28 Felsa Ag Movement with a differential gear in drive connection with the barrel and barrel shaft.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH685963GA3 (en) * 1993-11-25 1995-11-30 Lemania Nouvelle Sa Spring driven analogue watch mechanism with manual or automatic winding

Also Published As

Publication number Publication date
CH313605A (en) 1956-04-30
DE1006349B (en) 1957-04-11
US2720747A (en) 1955-10-18

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