CROWN FOR TIMEPIECE

• US 20090122656A1
• Filed: 10/10/2008
• Published: 05/14/2009
• Est. Priority Date: 11/08/2007
• Status: Abandoned Application

• Current Assignee: Meco SA (The Swatch Group AG)
• Original Assignee: Meco SA (The Swatch Group AG)
• Inventors: Zimmermann, Georges, Bonnet, Pierre-Jean
• Application Number:
  US12/249,054
• Publication Number:
  US 20090122656A1
• Time in Patent Office: Days
• US Class Current: 368/308
• CPC Class Codes: G04B 3/041 Construction of crowns for rotating movement; connection with the winding stem; winding stems
• CPC Class Codes: G04B 3/048 Operation exclusively by axial movement of a push-button, e.g. for chronographs winding up by push button G04B3/001; hermetically sealed push button G04B37/106
• CPC Class Codes: G04B 3/06 Keys or the like with means preventing overwinding protecting devices arranged in, or attached to, the barrel G04B1/20; in connection with automatic winding devices G04B1/24 ; construction of removably-mounted keys G04B3/02; means preventing overwinding, including those attached to the case, G04B3/10; protecting means G04B9/02; protection against overwinding for electrical winding up arrangements for mechanical clocks G04C1/10
• CPC Class Codes: G04B 45/02 Time pieces of which the clockwork is visible partly or wholly figures or parts thereof moved by the clockwork G04B45/0038

Abstract

Crown for a timepiece, said crown (1) including a cap (2) extended by a skirt (4) which delimits a hollow inner housing (6), said crown (1) being characterized in that an at least partially transparent cover (14) is mounted in the cap (2), said cover (14) revealing all or part of a device (18) arranged in the hollow inner housing (6) of the crown (1).

Claims

1. A crown for a timepiece, said crown including a cap extended by a skirt, which delimits a hollow inner housing, wherein an at least partially transparent cover is mounted in the cap, said cover revealing all or part of a device arranged in the hollow inner housing of the crown.

2. The crown according to claim 1, wherein the cover is mounted in an aperture made in the cap of the crown.

3. The crown according to claim 1, wherein the cover is a transparent plate mounted with the insertion of a sealing gasket in the aperture.

4. The crown according to claim 1, wherein the device is formed by an uncoupling mechanism.

5. The crown according to claim 2, wherein the device is formed by an uncoupling mechanism.

6. The crown according to claim 3, wherein the device is formed by an uncoupling mechanism.

7. The crown according to claim 4, wherein the uncoupling mechanism includes at least one spring cooperating with a ring that has a plurality of notches on the inner periphery thereof.

8. The crown according to claim 5, wherein the uncoupling mechanism includes at least one spring cooperating with a ring that has a plurality of notches on the inner periphery thereof.

9. The crown according to claim 6, wherein the uncoupling mechanism includes at least one spring cooperating with a ring that has a plurality of notches on the inner periphery thereof.

10. The crown according to claim 7, wherein the spring or springs are maintained by means of a screw.

11. The crown according to claim 8, wherein the spring or springs are maintained by means of a screw.

12. The crown according to claim 9, wherein the spring or springs are maintained by means of a screw.

13. The crown according to claim 10, wherein there is a hole of non-circular shape at the centre of the spring or springs via which said springs are engaged onto a projecting portion of complementary shape of a pipe which carries said springs, said screw being screwed into a threaded hole made at least in the projecting portion of the pipe.

14. The crown according to claim 11, wherein there is a hole of non-circular shape at the centre of the spring or springs via which said springs are engaged onto a projecting portion of complementary shape of a pipe which carries said springs, said screw being screwed into a threaded hole made at least in the projecting portion of the pipe.

15. The crown according to claim 12, wherein there is a hole of non-circular shape at the centre of the spring or springs via which said springs are engaged onto a projecting portion of complementary shape of a pipe which carries said springs, said screw being screwed into a threaded hole made at least in the projecting portion of the pipe

16. The crown according to claim 1, wherein it is applied to an external control member of the timepiece.

17. The crown according to claim 16, wherein the control member is a winding stem or a push-button.