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    • 2. 发明申请
    • PUNCTURE RESISTANT PNEUMATIC TIRE
    • 抗静电气胎
    • US20090032156A1
    • 2009-02-05
    • US11832817
    • 2007-08-02
    • David R. Stewart
    • David R. Stewart
    • B60C9/00
    • B60C19/12B60C9/0064B60C9/2006Y10T152/1018Y10T152/10189Y10T152/10765Y10T152/10783Y10T152/10801
    • A puncture resistant pneumatic tire has a tread portion and a pair of lateral tread edges. A belt package is located radially inward of the tread portion and a carcass structure has at least one body ply which extends between and is turned up around a pair of bead cores. A protective band extends circumferentially about the tire radially beneath the tread portion and includes a plurality of circumferentially spaced metal rods, each of which extends in a lateral direction between the tread edges. The protective band may be located radially inward or outward of a spiral ply layer and the rods may be arranged in a staggered laterally offset layered relationship. The rods have a circular cross-section with a diameter of between 1/16 inch and ¼ inch and a length of between 7 inches and 8 inches and will deflect and dislodge the pointed end of road debris before it completely punctures the tire.
    • 耐穿刺充气轮胎具有胎面部和一对胎面侧缘。 皮带包装位于胎面部分的径向内侧,并且胎体结构具有至少一个主体帘布层,其在一对胎圈芯之间延伸并围绕一对珠芯卷起。 保护带围绕轮胎径向地在胎面部分下方周向延伸,并且包括多个周向间隔开的金属杆,每个金属杆在胎面边缘之间沿横向方向延伸。 保护带可以位于螺旋层层的径向向内或向外的位置,并且杆可以以交错的侧向偏移分层关系布置。 这些杆具有圆形横截面,其直径在1/16英寸和1/4英寸之间,长度在7英寸至8英寸之间,并且将在道路碎屑的尖端完全穿透轮胎之前偏转和移开。
    • 5. 发明授权
    • Multi-position selector switch assemby means
    • 多位选择开关组合方式
    • US4701578A
    • 1987-10-20
    • US894166
    • 1986-08-07
    • John J. KeranenScot F. PeretDavid R. Stewart
    • John J. KeranenScot F. PeretDavid R. Stewart
    • H01H11/00H01H13/72H01H9/20
    • H01H13/72H01H11/0006
    • Four different versions of multi-position selector switches can be assembled from a kit of parts by selecting various combinations of the parts and assembling them into a housing consisting of an insulating case and cover. Inventory of parts is reduced by mutual use of some parts in two or more versions. The possible selector switch versions are a three position selector switch having three momentary pushbuttons for selectively closing two normally open contacts and opening a normally closed contact a two-position slector switch having two momentary pushbuttons for selectably closing a normally open contact or opening a normally closed contact, a three-position selector switch having three maintainable pushbuttons for selectively closing two normally open contacts and opening the same, and a three-position selector switch having three pushbuttons including a momentary pushbutton and two maintainable pushbuttons for selectively closing two normally open contacts and for opening the maintained contact. The third and fourth versions described above which have maintainable pushbuttons comprise one or two sliding interlock members having cam surfaces cooperating with respective pushbuttons for preventing depression of more than one pushbutton at a time, and a holding plate for releasably retaining the pushbuttons depressed until the latter are returned to an extended position by one of the sliding interlock members.
    • 可以通过选择零件的各种组合并将其组装到由绝缘壳和盖组成的壳体中,从一组零件组装四种不同版本的多位置选择开关。 通过在两个或多个版本中相互使用某些部件来减少部件清单。 可能的选择开关版本是具有三个瞬时按钮的三位置选择器开关,用于选择性地闭合两个常开触点并打开常闭触点具有两个瞬时按钮的双位置开关,用于可选择地闭合常开触点或打开常闭触点 接触,具有三个可维护按钮的三位置选择开关,用于选择性地闭合两个常开触点并将其打开;三位置选择开关具有三个按钮,包括一个瞬时按钮和两个可维护的按钮,用于选择性地闭合两个常开触点, 打开维护的联系人。 上述具有可维护按钮的第三和第四版本包括一个或两个滑动互锁构件,其具有与各个按钮配合的凸轮表面,用于一次防止多于一个按钮的按压;以及用于可释放地保持按压的按钮的保持板,直到后者 通过一个滑动互锁构件返回到伸出位置。