FR673181A - Safety key and crank for winding all kinds of spring mechanisms for devices, clocks, watches, etc. - Google Patents

Safety key and crank for winding all kinds of spring mechanisms for devices, clocks, watches, etc.

Info

Publication number
FR673181A
FR673181A FR673181DA FR673181A FR 673181 A FR673181 A FR 673181A FR 673181D A FR673181D A FR 673181DA FR 673181 A FR673181 A FR 673181A
Authority
FR
France
Prior art keywords
watches
clocks
crank
winding
kinds
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
Wilhelm Conraed Houck
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 FR673181A publication Critical patent/FR673181A/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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/06—Keys or the like with means preventing overwinding
    • 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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
FR673181D 1929-03-07 1929-03-07 Safety key and crank for winding all kinds of spring mechanisms for devices, clocks, watches, etc. Expired FR673181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR673181T 1929-03-07

Publications (1)

Publication Number Publication Date
FR673181A true FR673181A (en) 1930-01-11

Family

ID=9017917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR673181D Expired FR673181A (en) 1929-03-07 1929-03-07 Safety key and crank for winding all kinds of spring mechanisms for devices, clocks, watches, etc.

Country Status (1)

Country Link
FR (1) FR673181A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427153A (en) * 1943-05-15 1947-09-09 Mossberg Frank Yielding ratchet torque wrench

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427153A (en) * 1943-05-15 1947-09-09 Mossberg Frank Yielding ratchet torque wrench

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