公开(公告)号：EP2755093A2

公开(公告)日：2014-07-16

申请号：EP14151118.8

申请日：2014-01-14

Applicant: Master Dynamic Limited

Inventor： Chu, Siu Kay ,  Ching, Ho ,  Ko, Pui Hang

IPC: G04B17/34

CPC classification number: G04B17/345

Abstract: A hairspring collet for a hairspring for interference engagement and an interference fit with the cylindrical outer surface of the staff of a balance wheel for a timepiece movement, said hairspring collet portion comprising a plurality of circumferentially extending elastically deformable interconnected arm portions, the arm portions forming an annulus having a central axis and providing an aperture therebetween, wherein each arm portion including a curved concave engagement portion for engagement with the outer surface of a staff of a balance wheel, wherein each engagement portion has substantially the same radius of curvature as each other and are equally spaced from said central axis at a first distance and wherein said first distance is less than the radius of the staff of the balance wheel; said engagement portions have a radius of curvature such that upon deformation of the arm portions and engagement with the outer surface of said staff the engagement portions substantially conform with the outer surface of said staff and an interference fit is formed therebetween, wherein stress induced from said interference fit is transferred and distributed from along the engagement portions to the arm portions adjacent the engagement portions and distributed therein; and wherein the interference fit of the engagement portions with the staff substantially prevents relative movement between the hairspring collet and the staff of the balance wheel upon application of load from a hairspring in use in a timepiece movement.

Abstract translation: 一种用于干扰接合的游丝的游丝夹头和与用于钟表运动的摆轮的工作人员的圆柱形外表面的过盈配合，所述游丝夹头部分包括多个周向延伸的可弹性变形的互连臂部分，所述臂部分形成 具有中心轴线并在其间提供孔的环，其中每个臂部分包括用于与摆轮的工作人员的外表面接合的弯曲凹入接合部分，其中每个接合部分具有彼此基本相同的曲率半径 并且在第一距离处与所述中心轴线等距间隔，并且其中所述第一距离小于所述摆轮的所述工作人员的半径; 所述接合部分具有曲率半径，使得当臂部分变形并且与所述人员的外表面接合时，接合部分基本上与所述人员的外表面一致，并且在其间形成过盈配合，其中由所述 过盈配合从接合部分转移并分布到邻近接合部分的臂部分并分布在其中; 并且其中所述接合部分与所述人员的所述过盈配合基本上防止在使用手表运动中施加来自游丝的负载时，游丝夹头和摆轮的人员之间的相对运动。

公开(公告)号：EP2755093B1

公开(公告)日：2017-09-27

申请号：EP14151118.8

申请日：2014-01-14

Applicant: Master Dynamic Limited

Inventor： Chu, Siu Kay ,  Ching, Ho ,  Ko, Pui Hang

IPC: G04B17/34

CPC classification number: G04B17/345

公开(公告)号：EP2755093A3

公开(公告)日：2015-09-23

申请号：EP14151118.8

申请日：2014-01-14

Applicant: Master Dynamic Limited

Inventor： Chu, Siu Kay ,  Ching, Ho ,  Ko, Pui Hang

IPC: G04B17/34

CPC classification number: G04B17/345

Abstract: A hairspring collet for a hairspring for interference engagement and an interference fit with the cylindrical outer surface of the staff of a balance wheel for a timepiece movement, said hairspring collet portion comprising a plurality of circumferentially extending elastically deformable interconnected arm portions, the arm portions forming an annulus having a central axis and providing an aperture therebetween, wherein each arm portion including a curved concave engagement portion for engagement with the outer surface of a staff of a balance wheel, wherein each engagement portion has substantially the same radius of curvature as each other and are equally spaced from said central axis at a first distance and wherein said first distance is less than the radius of the staff of the balance wheel; said engagement portions have a radius of curvature such that upon deformation of the arm portions and engagement with the outer surface of said staff the engagement portions substantially conform with the outer surface of said staff and an interference fit is formed therebetween, wherein stress induced from said interference fit is transferred and distributed from along the engagement portions to the arm portions adjacent the engagement portions and distributed therein; and wherein the interference fit of the engagement portions with the staff substantially prevents relative movement between the hairspring collet and the staff of the balance wheel upon application of load from a hairspring in use in a timepiece movement.

公开(公告)号：EP2808118A1

公开(公告)日：2014-12-03

申请号：EP14163895.7

申请日：2014-04-08

Applicant: Master Dynamic Limited

Inventor： Hui, Koon Chung ,  Ching, Ho ,  Kong, Ching Tom

IPC: B23K26/00

CPC classification number: B01J19/081 ,  B41M3/14 ,  C30B29/04 ,  C30B29/16 ,  C30B29/20 ,  C30B29/34 ,  C30B33/04 ,  H01J37/00 ,  H01J37/3178 ,  Y10T428/24355

Abstract: A method of forming one or more protrusions on an outer surface of a polished face of a solid state material includes the step of applying focused inert gas ion beam local irradiation (105) towards an outer surface of a polished facet of a solid state material (109) so as to form a protrusion (401) on the outer surface; wherein irradiated focused inert gas ions from said focused inert gas ion bean penetrate the outer surface of said polished facet of said solid state material; and wherein irradiated focused inert gas ions cause expansive strain within the solid state crystal lattice of the solid state material below said outer surface at a pressure so as to induce expansion of solid state crystal lattice, and form a protrusion on the outer surface of the polished face of said solid state material.

Abstract translation: 形成一个或多个凸部的方法是在（在固态材料的抛光面的外表面包括施加朝聚焦惰性气体离子束局部照射（105），以固态材料的抛光面的外表面的步骤 109），以便形成所述外表面上的突起（401）; worin照射从所述聚焦惰性气体离子聚焦惰性气体离子束穿透所述固态材料。所述抛光面的外表面; 和worin照射聚焦惰性气体离子引起下面所述外表面的固态材料的固态晶格内膨胀应变的压力以便诱导固态晶格的膨胀，和抛光的外表面上形成的突起 固态材料的所述面。

公开(公告)号：EP2833221B1

公开(公告)日：2017-05-24

申请号：EP14178831.5

申请日：2014-07-28

Applicant: Master Dynamic Limited

Inventor： Wang, Yingnan ,  Ching, Ho

IPC: G04B17/06 ,  G04D3/00

CPC classification number: G04B17/066 ,  G04B17/32 ,  G04B17/325 ,  G04D3/0041 ,  Y10T29/49579

公开(公告)号：EP2833221A2

公开(公告)日：2015-02-04

申请号：EP14178831.5

申请日：2014-07-28

Applicant: Master Dynamic Limited

Inventor： Wang, Yingnan ,  Ching, Ho

IPC: G04B17/06 ,  G04D3/00

CPC classification number: G04B17/066 ,  G04B17/32 ,  G04B17/325 ,  G04D3/0041 ,  Y10T29/49579

Abstract: A method of producing unitary formed silicon balance spring (2) having an overcoil portion for regulation of a mechanical timepiece includes providing a silicon balance spring (2) having a main body portion (23), and an outer portion (22) for formation as an overcoil portion, wherein the outer portion (22) extends radially outward from an outermost turn of the main body portion (23) and wherein said main body portion (23) and said outer portion (22) are integrally formed from a silicon based material and are formed in a co-planar configuration. The outer portion (22) is moved in a direction relative to and out of the plane of said main body portion (23), and in a direction towards over said main body portion (23) and towards the plane of the main body portion. A stress relaxation process is provided to the balance spring so as to relieve internal stresses induced within the balance spring from the second step. After movement of said outer portion (22) into the plane of said main body portion (23), the outer portion (22) is located in an overcoil configuration relative to said main body portion.

Abstract translation: 一种制造具有用于调节机械钟表的上线圈部分的单一成形硅平衡弹簧（2）的方法包括提供具有主体部分（23）的硅平衡弹簧（2）和用于形成的外部部分（22） 一个线圈部分，其中外部部分（22）从主体部分（23）的最外侧的圆周向外延伸，并且其中所述主体部分（23）和所述外部部分（22）由硅基材料 并且形成为共面构造。 外部部分22沿着相对于主体部分23的平面的方向移动，并朝向主体部分23上方向主体部分的平面移动。 向平衡弹簧提供应力松弛过程，以便缓解来自第二步骤的平衡弹簧内部引起的内应力。 在所述外部部分（22）移动到所述主体部分（23）的平面中之后，所述外部部分（22）相对于所述主体部分位于线圈结构中。

公开(公告)号：EP2687917A3

公开(公告)日：2018-01-24

申请号：EP13176889.7

申请日：2013-07-17

Applicant: Master Dynamic Limited

Inventor： Ching, Ho

IPC: G04B17/06

CPC classification number: G04B17/066 ,  G04B17/06 ,  Y10T29/49581

Abstract: A method of increasing concentricity in use of a spiral hairspring mechanical timepiece; the hairspring having an inner terminal end portion for engagement with a collet and an outer terminal end portion for engagement with a stud, a first limb portion extending from the inner terminal end portion towards the outer terminal end portion, and a stiffening portion positioned at the outer turn of the hairspring and having a cross-sectional second moment of area different to that of the first limb portion; such that the bending stiffness of the stiffened portion has a greater bending stiffness than that of the single limb portion; wherein said method including the steps of modifying the cross-sectional second moments of area of first limb portion and the stiffening portion by way of minimization of a cost function throughout the amplitude of the rotation of hairspring in use, wherein the cost function is correlated to the net concentricity of the hairspring.

Abstract translation: 一种在使用螺旋游丝机械时计时增加同心度的方法; 所述游丝具有用于与夹头接合的内部终端部分和用于与双头螺栓接合的外部终端部分，从内部终端部分朝外部终端部分延伸的第一肢体部分，以及位于 所述游丝的外圈具有与所述第一肢体部分的横截面不同的第二截面面积; 使得加强部分的弯曲刚度具有比单个肢体部分更大的弯曲刚度; 其中所述方法包括以下步骤：通过在使用中在整个游丝旋转的振幅中使成本函数最小化来修改第一肢体部分和加强部分的面积的横截面二阶矩，其中成本函数与 游丝的净同心度。

公开(公告)号：EP2833221A3

公开(公告)日：2015-09-02

申请号：EP14178831.5

申请日：2014-07-28

Applicant: Master Dynamic Limited

Inventor： Wang, Yingnan ,  Ching, Ho

IPC: G04B17/06 ,  G04D3/00

CPC classification number: G04B17/066 ,  G04B17/32 ,  G04B17/325 ,  G04D3/0041 ,  Y10T29/49579

Abstract: A method of producing unitary formed silicon balance spring (2) having an overcoil portion for regulation of a mechanical timepiece includes providing a silicon balance spring (2) having a main body portion (23), and an outer portion (22) for formation as an overcoil portion, wherein the outer portion (22) extends radially outward from an outermost turn of the main body portion (23) and wherein said main body portion (23) and said outer portion (22) are integrally formed from a silicon based material and are formed in a co-planar configuration. The outer portion (22) is moved in a direction relative to and out of the plane of said main body portion (23), and in a direction towards over said main body portion (23) and towards the plane of the main body portion. A stress relaxation process is provided to the balance spring so as to relieve internal stresses induced within the balance spring from the second step. After movement of said outer portion (22) into the plane of said main body portion (23), the outer portion (22) is located in an overcoil configuration relative to said main body portion.

公开(公告)号：EP2687917A2

公开(公告)日：2014-01-22

申请号：EP13176889.7

申请日：2013-07-17

Applicant: Master Dynamic Limited

Inventor： Ching, Ho

IPC: G04B17/06

CPC classification number: G04B17/066 ,  G04B17/06 ,  Y10T29/49581

Abstract: A method of increasing concentricity in use of a spiral hairspring mechanical timepiece; the hairspring having an inner terminal end portion for engagement with a collet and an outer terminal end portion for engagement with a stud, a first limb portion extending from the inner terminal end portion towards the outer terminal end portion, and a stiffening portion positioned at the outer turn of the hairspring and having a cross-sectional second moment of area different to that of the first limb portion; such that the bending stiffness of the stiffened portion has a greater bending stiffness than that of the single limb portion; wherein said method including the steps of modifying the cross-sectional second moments of area of first limb portion and the stiffening portion by way of minimization of a cost function throughout the amplitude of the rotation of hairspring in use, wherein the cost function is correlated to the net concentricity of the hairspring.

Abstract translation: 一种使用螺旋游丝机械钟表提高同心度的方法; 所述游丝具有用于与夹头接合的内部终端部和用于与柱螺栓接合的外部终端部，从所述内部末端部朝向所述外部末端部延伸的第一肢部以及位于所述第二侧端部的加强部 游丝的外转，并具有不同于第一肢体部分的横截面的第二力矩; 使得加强部分的弯曲刚度比单个肢体部分具有更大的弯曲刚度; 其中所述方法包括以下步骤：通过在使用中游丝的旋转的整个振幅范围内最小化成本函数来修改第一肢体部分和加强部分的面积的横截面第二力矩，其中成本函数与 净游丝的同心度。