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    • 2. 发明授权
    • Adjustable casting pattern
    • 可调焦铸型
    • US3830285A
    • 1974-08-20
    • US31301472
    • 1972-12-07
    • ROCKWELL INTERNATIONAL CORP
    • SCHRADER C
    • B22C7/00
    • B22C7/005
    • A pattern for use in forming molds for the casting of a family of products. Each of the products has a central portion of fixed dimensions and a pair of satellite portions of fixed dimensions spaced from the central portion. The distances between the central portion and the satellite portions and thus the structure therebetween are variable within the family of products. The casting pattern comprises a main body corresponding to the central portion and a pair of secondary portions corresponding to the satellite portions with each of the secondary portions having an elongate projection extending therefrom. The main body has openings formed therein on opposite sides thereof and each projection is telescopically received in one of the openings and slidable therein for adjustment of the distance between the main body and each of the secondary positions.
    • 用于成型用于铸造一系列产品的模具的图案。 每个产品具有固定尺寸的中心部分和与中心部分间隔开的固定尺寸的一对卫星部分。 中心部分和卫星部分之间的距离以及因此其间的结构在产品系列内是可变的。 铸造图案包括对应于中心部分的主体和对应于卫星部分的一对次级部分,其中每个次级部分具有从其延伸的细长突起。 主体在其相对侧上形成有开口,并且每个突出部可伸缩地容纳在其中一个开口中并可在其中滑动以调节主体与每个次要位置之间的距离。