Switch

阅读:474发布:2023-11-15

专利汇可以提供Switch专利检索,专利查询,专利分析的服务。并且A switch of the single-pole, single-throw type, single-pole, double-throw type, double-pole, single-throw type or double-pole, double-throw type which is mainly mounted on and used with a variable resistor or the like. The switch can operate with great reliability, and particularly when the switch is used to disconnect a circuit where a large inrush current is generated, it can prevent the deterioration of the voltage proof due to the abraded powder caused by arc.,下面是Switch专利的具体信息内容。

1. A switch comprising a switch casing made of an insulating material, at least two fixed contacts aRranged on said switch casing, a movable contact piece pivotably mounted on a supporting post on said switch casing to engage and disengage with said fixed contacts, at least two mounting projections disposed on said switch casing in the vicinity of said fixed contacts, each of said mounting projections being formed with a first groove for preventing the deterioration of voltage proof, a driving plate mounted on a step projection formed on said switch casing and an engaging projection formed on the lower surface of said driving plate, said engaging projection being connected to change the position of said movable contact piece, and a spring provided between a cam member for effecting a switching operation of said driving plate and said driving plate to separate said cam member and said driving plate from each other.
1. A switch comprising a switch casing made of an insulating material, at least two fixed contacts aRranged on said switch casing, a movable contact piece pivotably mounted on a supporting post on said switch casing to engage and disengage with said fixed contacts, at least two mounting projections disposed on said switch casing in the vicinity of said fixed contacts, each of said mounting projections being formed with a first groove for preventing the deterioration of voltage proof, a driving plate mounted on a step projection formed on said switch casing and an engaging projection formed on the lower surface of said driving plate, said engaging projection being connected to change the position of said movable contact piece, and a spring provided between a cam member for effecting a switching operation of said driving plate and said driving plate to separate said cam member and said driving plate from each other.
2. A switch according to claim 1, wherein said switch casing is provided with a second groove to separate said fixed contacts from other current carrying portions of said switch, said second groove preventing the deterioration of voltage proof.
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