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Automatic watch

An automatic and dial technology, applied in the field of automatic watches, can solve the problems of difficult coupling of clutch wheels and inconvenient re-combination

Inactive Publication Date: 2004-01-21
SEIKO INSTR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] (3) The combination of the clutch wheel has always been difficult
In addition, when the winding stem is pulled out to disassemble the automatic watch, the winding stem will not be easily rejoined because the clutch wheel is inclined

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] Modes for carrying out the present invention will be described below based on the drawings.

[0032] (1) The structure of the front gear train, the escapement speed adjustment mechanism and the conversion mechanism

[0033] exist figure 1 and 2 Among them, the automatic watch of the present invention is provided with a main plate 22 constituting the bottom plate of the movement 20 . Although in this mode the main board 22 is more or less circular in shape, it could be other shapes, such as rectangular, polygonal or oval.

[0034] According to this mode for carrying out the invention, a front gear train, such as a set of barrels, a sun wheel and pinion, a third gear and pinion and a second gear and pinion, an automatic winding mechanism , such as an oscillating weight and a ratchet lever, and a switching mechanism, such as an adjustment lever and a shift fork, are installed on the side opposite to the dial side of the movement 20, that is, the positive side, respectiv...

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PUM

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Abstract

According to an automatic meter of the invention, a complete barrel 30 is arranged on the opposite side (positive side) of the dial of a main board 22; the rotation center of the barrel is positioned in a first area 310 or a fourth area 340 of the main board 22. The rotation centers of an escape pinion and a pinion 5, a pallet fork 60 and a balance wheel 70 are respectively positioned in a third area 330 or he fourth area 340. A regulating rod 120 and a fork-lever 130 are arranged on the positive side of the main board 22 and their centers of oscillation are respectively positioned in a second area 320. A fork-lever fixator 140 respectively fixes part of the regulating rod 120 and part of the fork-lever 130.

Description

technical field [0001] The present invention relates generally to an automatic watch in which the mainspring in a set of barrels is wound by means of an oscillating hammer, and more particularly to an automatic watch which is wound by a spring on the side opposite the dial side of the main plate Equipped with a front gear train mechanism and a switching mechanism to make its movement a small and thin movement. Background technique [0002] A conventional automatic watch has a main plate constituting the base plate of the movement and a switching mechanism such as an adjustment lever and a fork is arranged on the dial side of the main plate, and a calendar mechanism is also arranged on the dial side of the main plate as required. [0003] In this article, the movement refers to the mechanical body including the mechanical structure and working parts of the watch. An automatic watch consists of a mechanical body and a case. [0004] In addition, the gear train mechanism, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G04B5/16G04B5/00G04B5/14G04B19/00G04B19/24G04B19/25G04B19/253G04B33/00G04B33/02
CPCG04B19/25G04B5/14G04B33/00
Inventor 高桥雅明石井满
Owner SEIKO INSTR INC