Patent ID: 7318669
Filing Date: 2008-01-15
Classification: G04B

Abstract:
1. A spring-barrel arrangement for a timepiece, comprising: a wheel bridge structure having a circular cutout therethrough, said wheel bridge structure having mutually opposing side surfaces, said wheel bridge structure comprising one of a wheel bridge and a plate component arranged parallel to said wheel bridge; a first spring barrel rotatably mounted in said circular cutout, said spring barrel having a circular outer contour corresponding to said circular cutout and two supporting regions extending radially beyond a diameter of said circular cutout, wherein a barrel core coaxially rotatably mounted in said spring barrel; a first helical tension spring having an inner end connected to said barrel core and an outer end connected to said first spring barrel; a crown wheel having a toothed ring and being fixed to said first spring barrel; and a first wheel of a wheel train of the timepiece being fixed to said barrel core.