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GB542984A - Improvements relating to dust-tight winding-up devices for watches - Google Patents

Improvements relating to dust-tight winding-up devices for watches

Info

Publication number
GB542984A
GB542984A GB1365940A GB1365940A GB542984A GB 542984 A GB542984 A GB 542984A GB 1365940 A GB1365940 A GB 1365940A GB 1365940 A GB1365940 A GB 1365940A GB 542984 A GB542984 A GB 542984A
Authority
GB
United Kingdom
Prior art keywords
watches
winding
dust
devices
improvements 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
GB1365940A
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.)
JONH SIMON
Original Assignee
JONH SIMON
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 JONH SIMON filed Critical JONH SIMON
Publication of GB542984A publication Critical patent/GB542984A/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
    • G04B37/00—Cases
    • G04B37/06—Forming the passage for the winding stem through the case; Divided winding stems
    • G04B37/066—Divided stem (tige brisee)
    • 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
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Gripping On Spindles (AREA)

Abstract

542,984. Watches. SIMON, J. Aug. 30, 1940. No. 13659. Convention date, Aug. 2, 1939. Addition to 524,723. [Class 139] A winding. up device for watches having a winding shaft 9 connected with the winding crown 10a, 10b by a connecting piece mounted in a pendant tube 7 rigidly attached to the watch case 4 as described in the parent Specification has a connecting piece 21 formed as an externally tapered chuck with jaws 22, 23 having circular portions 22a, 23a to grip a prismatic portion 20 on the winding shaft 9. The chuck is seated in an internally tapered sleeve 12 within the pendant tube and is formed with a screw 24 engaging the outer part 10b of the crown.
GB1365940A 1938-02-07 1940-08-30 Improvements relating to dust-tight winding-up devices for watches Expired GB542984A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH201342T 1938-02-07
CH210154T 1938-12-12
CH216334T 1939-08-02

Publications (1)

Publication Number Publication Date
GB542984A true GB542984A (en) 1942-02-04

Family

ID=33101609

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1365940A Expired GB542984A (en) 1938-02-07 1940-08-30 Improvements relating to dust-tight winding-up devices for watches

Country Status (3)

Country Link
DE (1) DE746069C (en)
FR (1) FR51198E (en)
GB (1) GB542984A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE945320C (en) * 1953-08-20 1956-07-05 Richard Pfisterer Fa Crown for wrist or pocket watches

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH210154A (en) * 1938-02-07 1940-06-15 Simon John Waterproof winding device for watches.
CH201342A (en) * 1938-02-07 1938-11-30 John Simon Waterproof winding device for watches.

Also Published As

Publication number Publication date
DE746069C (en) 1944-06-03
FR51198E (en) 1941-09-30

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