发明名称 Potentiometer and method of making the same
摘要 A potentiometer which is adapted to be produced fully automatically includes a spring support (2) formed in one piece by injection molding of plastic material and given such configuration that it embraces such functional members as the slider spring (3), resistor plate (5), and base plate (6). The casing (1), is also molded in the same working operation. The casing (1) and spring support (2) are interconnected by a sprue lug (7) which is removed by shearing.
申请公布号 US4998089(A) 申请公布日期 1991.03.05
申请号 US19890372812 申请日期 1989.06.29
申请人 WILHELM RUF KG 发明人 HOCHHOLZER, REINHARD
分类号 H01C10/32;H01C17/00 主分类号 H01C10/32
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