EP0646256B1 - Krone für eine uhr - Google Patents

Krone für eine uhr Download PDF

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Publication number
EP0646256B1
EP0646256B1 EP93906665A EP93906665A EP0646256B1 EP 0646256 B1 EP0646256 B1 EP 0646256B1 EP 93906665 A EP93906665 A EP 93906665A EP 93906665 A EP93906665 A EP 93906665A EP 0646256 B1 EP0646256 B1 EP 0646256B1
Authority
EP
European Patent Office
Prior art keywords
crown
stem
hand
winding stem
watch
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 - Lifetime
Application number
EP93906665A
Other languages
English (en)
French (fr)
Other versions
EP0646256A1 (de
Inventor
Hervé SCHICK
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.)
Eurl Herve Schick
Original Assignee
Eurl Herve Schick
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 Eurl Herve Schick filed Critical Eurl Herve Schick
Publication of EP0646256A1 publication Critical patent/EP0646256A1/de
Application granted granted Critical
Publication of EP0646256B1 publication Critical patent/EP0646256B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G04B3/045—Storing the operating element, also bringing it out of storage

Definitions

  • the present invention relates to a crown watch, that is to say the button usually present at the middle of the right side of the watch case, this button for adjusting the position of the hands, calendar and possibly wind a movement mechanical watchmaker.
  • this crown In the majority of current watches, it is necessary to pull on this crown to move in longitudinal translation the integral winding stem of this crown in order to achieve the desired function.
  • the watch mechanism When this crown is pulled out of its position initial against the case, the watch mechanism is normally stopped to facilitate the adjustment operation.
  • this crown can also be pulled accidentally out of this initial position, in particular by rubbing against the wearer's wrist. This phenomenon occurs more frequently when the crown is installed in the lower part of the housing or when the thickness of this case is particularly reduced, the diameter of the crown not being able, for practical considerations, decrease below one certain value. This untimely exit from the crown is all the more regrettable as the watch movement stops, perplexing the wearer and that the rod of winder can be weakened or even bent by subsequent wrist movements.
  • This set forms a bulky structure longitudinally, which cannot be used as such which on a wristwatch, and ensuring no protection of the head of the winding stem and crown against friction.
  • the invention remedies these drawbacks by providing a watch crown in which the setting in longitudinal translation of the crown is provided by a protruding cage from the housing and comprising several arms delimiting a space for receiving the crown, mounted free in rotation, while, on the one hand, the connection in rotation between the stem and the crown is ensured by giving the axial bore passing through the crown a non-circular section, complementary to that of a bearing provided on the winding stem, and that, otherwise hand, the head of the rod, protected by the cage and the crown, has a shape of revolution and has a circular grip groove.
  • the wearer can very easily act on the winding stem by pinching the apprehension head with his nails at the level of the groove. This feature allows the wearer to get rid of all exterior accessories.
  • the range of the rod and the bore central crown have a cylindrical shape of substantially circular cross section except for two opposite dishes.
  • This form lends itself to a mode of particularly easy industrial production while ensuring excellent transmission of the torque between the crown and the stem.
  • the winding stem crosses the watch case through a tube ending in the case with an annular housing for a seal against the rod.
  • This tube being itself expelled tightly into the orifice of the housing, thus preserving the general tightness of the watch against dust and moisture.
  • a cage 10 intended to be brought back substantially in the middle of the right side of a watch case.
  • This cage basically consists of several arms, four in this case, holding forward a perforated disc in its center.
  • the shape and number of arms may depend to a large extent of aesthetic considerations for as long as the defined interior space is sufficient to receive a crown 30, that a lower passage is provided for the insertion of this crown and that, if present, the front disc located at a distance from the rear bottom substantially equivalent to the thickness of this crown.
  • This device is completed by a rod winder 20 having at its end a packed head 24 a transverse groove 26 and, a little behind, a bearing 22 provided to cooperate with the inner bore 32 of the crown 30.
  • This winding stem 20 has in its internal end a tubular part threaded to screw with the initial movement stem watchmaker installed in the watch case.
  • the scope 22 has an essentially cylindrical shape in order to ability to slide inside bore 32 of the crown 30.
  • the periphery of this cylindrical volume has a shape, seen in section transverse, initially circular in which we milled two opposite dishes, around which we find identically in a slightly larger dimension in bore 32.
  • other forms could have been given to this cylindrical, in particular square or oval.
  • the head 24 is shown in Figure 1 schematically by a cylinder, we can also consider, based on aesthetic considerations, a plurality of other volumes, in particular volumes defined by a revolution of a curve around the central axis. In all cases, it is desirable to complete this form given to the head 24 by a transverse groove 26 to facilitate its grip by pinching with the fingers, especially between the thumbnail and the index or middle finger.
  • the mode of assembly of this crown is carried out by prior disassembly of the initial winding stem movement in order to screw the winding stem complementary 20, then by setting up (1) the crown 30 inside the cage 10, then by inserting (2) of the winding stem 20 successively through the front disc of cage 10 and bore 32 of the crown 30, and finally by fixing the internal end of the initial winding stem in the movement.
  • FIG. 2 illustrates this crown completely Assembly.
  • the dust tightness and to humidity is carried out from the rear by chasing a tube 40 in the orifice of the case, which therefore passes over the winding stem 20.
  • This tube 40 has in its part rear an annular housing 42 for a seal 44 acting against this winding stem 20.
  • the watch Once the watch is fully assembled, it just grab the apprehension head 24 with nails to pull it out by one or more notches until matches the winding stem 20 with the function desired. Then, any rotation printed on the crown 30 is transmits without further to the rod 20 through the bearing 22.

Claims (3)

  1. Krone für eine Armbanduhr, die sich am äußeren Ende einer Aufzugwelle (20) befindet, die durch Längsverschiebung verrückbar ist, um auf verschiedene Funktionen des Einstellens oder des Aufziehens des Uhrwerks Zugriff zu nehmen, wobei die Aufzugwelle einerseits mittig in der Krone (30) in Längsrichtung beweglich und andererseits mit dieser Krone drehgekoppelt und, weiterhin, mit einem äußeren Handhabungskopf (24) versehen ist, der axial von der Krone (30) hervorragt, während die Krone (30) bezüglich dem Gehäuse gegen Verschiebung festgelegt ist, dadurch gekennzeichnet, daß das Festlegen der Krone (30) gegen Längsverschiebung durch einen Käfig (10) gewährleistet ist, der von dem Gehäuse hervorragt und mehrere Arme aufweist, die einen Aufnahmeraum für die Krone begrenzen, und der frei drehbar angebracht ist, während einerseits die Drehkopplung zwischen der Welle und der Krone gewährleistet ist, indem die axial durchgehende Bohrung in der Krone (30) einen nicht kreisförmigen Querschnitt aufweist, der komplementär zu demjenigen eines Zapfens (22) ist, der auf der Aufzugwelle ausgebildet ist, und daß andererseits der Kopf (24) der Welle (20), der durch den Käfig und die Krone geschützt ist, die Form eines Rotationskörpers und eine kreisförmige Handhabungsnut (26) aufweist.
  2. Krone nach Anspruch 1, dadurch gekennzeichnet, daß der Zapfen (22) der Welle und die mittige Bohrung (32) der Krone eine zylindrische Form aufweisen, die mit Ausnahme von zwei gegenüberliegenden Flachseiten einen im wesentlichen kreisförmigen Querschnitt aufweist.
  3. Krone nach Anspruch 1, dadurch gekennzeichnet, daß die Aufzugwelle das Uhrgehäuse durch eine Röhre (40)hindurch durchdringt, die in dem Uhrgehäuse mit einer ringförmigen Ausnehmung (42) für eine Dichtung (44) gegen die Welle endet.
EP93906665A 1992-03-30 1993-03-25 Krone für eine uhr Expired - Lifetime EP0646256B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9204042 1992-03-30
FR9204042A FR2689256B1 (fr) 1992-03-30 1992-03-30 Couronne de montre.
PCT/FR1993/000299 WO1993020485A1 (fr) 1992-03-30 1993-03-25 Couronne de montre

Publications (2)

Publication Number Publication Date
EP0646256A1 EP0646256A1 (de) 1995-04-05
EP0646256B1 true EP0646256B1 (de) 1998-07-01

Family

ID=9428416

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93906665A Expired - Lifetime EP0646256B1 (de) 1992-03-30 1993-03-25 Krone für eine uhr

Country Status (3)

Country Link
EP (1) EP0646256B1 (de)
FR (1) FR2689256B1 (de)
WO (1) WO1993020485A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11564850B2 (en) 2006-06-12 2023-01-31 Edgewell Personal Care Brands, Llc Tampon assembly providing proper bodily placement of a pledget

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140237790A1 (en) * 2013-02-22 2014-08-28 Karim Messadek Protective apparatuses for rotary control knobs
US9817430B2 (en) 2013-02-22 2017-11-14 Karim Messadek Protective apparatuses for rotary control knobs

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US579996A (en) * 1897-04-06 Fritz mink
CH20794A (fr) * 1899-12-30 1901-03-31 Fiffel Gonin & Cie Pendant à cimier
US666569A (en) * 1900-04-14 1901-01-22 Michael Sporleder Watchcase-pendant.
US879208A (en) * 1907-10-25 1908-02-18 Michael Sporleder Setting mechanism for watches.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11564850B2 (en) 2006-06-12 2023-01-31 Edgewell Personal Care Brands, Llc Tampon assembly providing proper bodily placement of a pledget

Also Published As

Publication number Publication date
EP0646256A1 (de) 1995-04-05
FR2689256B1 (fr) 1994-05-20
FR2689256A1 (fr) 1993-10-01
WO1993020485A1 (fr) 1993-10-14

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