FR770074A - Self-winding clock or watch - Google Patents

Self-winding clock or watch

Info

Publication number
FR770074A
FR770074A FR770074DA FR770074A FR 770074 A FR770074 A FR 770074A FR 770074D A FR770074D A FR 770074DA FR 770074 A FR770074 A FR 770074A
Authority
FR
France
Prior art keywords
watch
self
winding clock
clock
winding
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)
Inventor
John Harwood
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 filed Critical
Application granted granted Critical
Publication of FR770074A publication Critical patent/FR770074A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B5/00Automatic winding up
    • G04B5/24Protecting means preventing overwinding
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B5/00Automatic winding up
    • G04B5/02Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/18Supports, suspensions or guide arrangements, for oscillating weights
    • G04B5/181The bearing of the rocking bar is in the centre of rotation combined with a support or guide arrangement
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B5/00Automatic winding up
    • G04B5/02Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/04Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is limited
    • G04B5/06Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is limited acting in one direction only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Toys (AREA)
FR770074D 1933-03-04 1934-03-03 Self-winding clock or watch Expired FR770074A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB770074X 1933-03-04
GB2023322X 1933-03-04
GB177308X 1933-03-04
GB29295/33A GB418865A (en) 1933-03-04 1933-10-23 Improvements relating to time-pieces
GB231033X 1933-10-23

Publications (1)

Publication Number Publication Date
FR770074A true FR770074A (en) 1934-09-06

Family

ID=61598032

Family Applications (1)

Application Number Title Priority Date Filing Date
FR770074D Expired FR770074A (en) 1933-03-04 1934-03-03 Self-winding clock or watch

Country Status (4)

Country Link
US (1) US2023322A (en)
CH (1) CH177308A (en)
FR (1) FR770074A (en)
GB (1) GB418865A (en)

Also Published As

Publication number Publication date
GB418865A (en) 1934-11-01
US2023322A (en) 1935-12-03
CH177308A (en) 1935-05-31

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