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    • 93. 发明专利
    • POINTER TYPE ELECTRONIC TIMEPIECE
    • JP2002082181A
    • 2002-03-22
    • JP2001235449
    • 2001-08-02
    • SEIKO EPSON CORP
    • FURUKAWA TSUNEAKI
    • G04B29/02G04B5/18G04C10/00
    • PROBLEM TO BE SOLVED: To provide a pointer type electronic timepiece, capable of reducing size and thickness by improving the structure of mechanical parts which are constituted inside the time piece. SOLUTION: In the pointer type electronic timepiece, a rotary bob 25 is supported by a first train wheel receiver 3 similar to a train wheel for a timepiece and so fixing with a screw only the first train wheel receiver 3 to a ground plate 2 is sufficient, which results in a small number of screw fixing locations. The first train wheel receiver 3 is reinforced by a second train wheel receiver 6 layered and fixed on it. An inner member 92 of a ball bearing 90 fixed with a screw for fixing the rotary bob on the first train wheel receiver 3 side and the hole, where the screw is fixed is a blind hole 970, so that chips and grinding powder will not fly in movement. Nevertheless, oil injection in a tenon part 541 upside the second wheel 54 is possible, if this is prior to covering the second train wheel receiver 6, after assembling.
    • 94. 发明专利
    • ELECTRONIC TIMEPIECE
    • JPH11142546A
    • 1999-05-28
    • JP30321197
    • 1997-11-05
    • SEIKO EPSON CORP
    • FURUKAWA TSUNEAKI
    • G04C3/14G04B5/18G04C10/00
    • PROBLEM TO BE SOLVED: To miniaturize and thin an electronic timepiece with a built-in compact generator by eliminating the clearance between a rotary weight and its periphery. SOLUTION: In a middle frame 5 for pinching a ground plate 2 where an electronic timepiece hand-type movement with a built-in compact generator is constituted between the base frame of an armored case 9 and middle frame 5, and a joggle 502 projecting toward a rotary weight 25 is formed. When the joggle 502 is set to a position with height near that of the rotary weight 25 as compared with a part around the joggle in a thickness direction and the rotary weight 25 rotates while moving up and down, the rotary weight 25 initially touches the joggle of the middle frame 5 for correcting the attitude, thus preventing the such part from being damaged by touching the rotary weight 25 without providing the large clearance between the part around the joggle and the rotary weight 25.