会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 8. 发明专利
    • Improvements in and relating to self-winding watches
    • GB776187A
    • 1957-06-05
    • GB3352555
    • 1955-11-23
    • VLADIMIR CERVINKA
    • CERVINKA BOHDAN
    • G04B5/14G04B5/18
    • 776,187. Watches. CERVINKA, V. Nov. 23, 1955, No. 33525/55. Class 139. In a self-winding watch the oscillatory weight is mounted by a ball or roller bearing on a ring fixed to the movement. The ring 6, Figs. 2 and 3, is fixed by screws to the movement 1 and has a V-shaped groove 19. The oscillatory weight comprises two circular members 9, 10, Fig. 3, integrally connected to form a groove 22 opposite the groove 19 and a substantially semi-circular weighted member 11 screwed to the member 9. The grooves 19, 22 form the bearing races for balls 7 and spacer members 26, Fig. 4. The member 9 is connected by a member 5 to a pinion 3 pivoted on a pin 18 at the centre of the movement. The pinion 3 permanently meshes with the pinion 13 of two intermeshing pinions 13, 14 carried by a rocker 12. The arrangement is such that the gear 15 is driven counterclockwise by one of the pinions 13, 14 in accordance with the direction of movement of the-oscillatory weight. The pin 18 engages a slot 17 in the member 5. In another embodiment, Fig. 5, the movement ring 6 has an extending flange the upper and lower smooth or grooved surfaces of which form races for two ball bearings. The member 5 engages a slot 24 of the member 9.