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1. 发明专利

JPH09236456A FIXING STRUCTURE OF CASE MEMBER 失效
公开(公告)号：JPH09236456A
公开(公告)日：1997-09-09
申请号：JP4333396
申请日：1996-02-29
申请人： JAPAN ENGINE VALVE MFG
发明人： KARIYA SHUNSUKE , NAKAZAWA MASAHIKO
IPC分类号： G01D11/24 , G01D11/26
摘要： PROBLEM TO BE SOLVED: To provide a case member fixing structure by which loose case members or intrusion of water or durts into the inside of case members is avoided even when a gap is generated at engagement-bonding place, in vertical direction, between the first engagement part provided to an upper case member and the second engagement part provided to a lower case member. SOLUTION: Relating to a case member wherein an upper case member 4 of synthetic resin and a lower case member 3 are provided, the first engagement part 6 is provided to the periphery part of the upper case member 4, the second engagement part 7 which engages with the first engagement part 6 is provided to the lower case member 3, and one engagement part is engaged with the other engagement part so that the upper case member 4 is fixed to the lower case member 3, either the first engagement part 6 or the second engagement part 7 is provided while elastic deformation in the vertical direction is allowed, thus the engagement part provided while elastic deformation is allowed is bent-engaged with the other engagement part.

2. 发明专利

JPH0997318A RESET COUNTER 失效
公开(公告)号：JPH0997318A
公开(公告)日：1997-04-08
申请号：JP27659095
申请日：1995-09-29
申请人： JAPAN ENGINE VALVE MFG
发明人： NAKAZAWA MASAHIKO , KARIYA SHUNSUKE , NISHIGATA ETSUSHI
IPC分类号： G06M1/28
摘要： PROBLEM TO BE SOLVED: To provide a reset counter which never has its zero-return mechanism damaged even when a knob for zero-return operation is rotated by an unnecessarily strong turning force. SOLUTION: The zero-return operation knob 14 of the reset counter is equipped internally with an intermediate coupling part consisting of a knob part 16 and a knob shaft 17. The knob part 16 has a hole 21 on the bottom in a recessed part 19 and the knob shaft 17 is equipped with a spring piece 24 having a projection 25 conforming with the hole 21. When the zero-return operation knob 14 is rotated, the knob shaft 17 of the intermediate coupling part rotates together with the knob part 16 while the hole 21 and projection 25 engage each other by the elasticity of the spring piece 24 to place the reset counter in zero-return operation through a fitting part 13. When an excessive turning force or reverse turning force is received, the spring piece 24 deflects to disengage the hole 21 and projection 25 from each other and only the knob part 16 idles, so that the turning force is not transmitted to the knob shaft 17.

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