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GB482264A - Improvements in or relating to winding crowns for pocket and wrist watches - Google Patents

Improvements in or relating to winding crowns for pocket and wrist watches

Info

Publication number
GB482264A
GB482264A GB29517/37A GB2951737A GB482264A GB 482264 A GB482264 A GB 482264A GB 29517/37 A GB29517/37 A GB 29517/37A GB 2951737 A GB2951737 A GB 2951737A GB 482264 A GB482264 A GB 482264A
Authority
GB
United Kingdom
Prior art keywords
winding
crown
ring
pocket
relating
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
GB29517/37A
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.)
Gebr Junghans AG
Original Assignee
Gebr Junghans AG
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 Gebr Junghans AG filed Critical Gebr Junghans AG
Publication of GB482264A publication Critical patent/GB482264A/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
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/041—Construction of crowns for rotating movement; connection with the winding stem; winding stems

Landscapes

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

Abstract

482,264. Winding-crown for watches. JUNGHANS AKT.-GES., GEB. Oct. 28, 1937, No. 29517. Convention date, Nov. 5, 1936. [Class 139] A winding-crown for a watch has a ring c of soft elastic material inserted in an annular groove. The metallic part of the crown has a serrated edge a<3> to act as a winding grip in the event of the falling off of the elastic ring. If the ring is made of leather the crown will be made in two parts to grip the ring by its end faces.
GB29517/37A 1936-11-05 1937-10-28 Improvements in or relating to winding crowns for pocket and wrist watches Expired GB482264A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE482264X 1936-11-05

Publications (1)

Publication Number Publication Date
GB482264A true GB482264A (en) 1938-03-25

Family

ID=6542810

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29517/37A Expired GB482264A (en) 1936-11-05 1937-10-28 Improvements in or relating to winding crowns for pocket and wrist watches

Country Status (1)

Country Link
GB (1) GB482264A (en)

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