Involute pinless hinge
    31.
    发明授权
    Involute pinless hinge 失效
    渐开针式铰链

    公开(公告)号:US3911528A

    公开(公告)日:1975-10-14

    申请号:US51941874

    申请日:1974-10-31

    Inventor: ROJIC SR RICHARD

    Abstract: A hinge constructed of a pair of leaves each having a plate and a plurality of spaced apart members defining surfaces angularly disposed to the respective plate thereof wherein the members are simultaneously formed about a common axis to produce spiral shaped whorls having the surfaces of each disposed in interlocking mating relation such that each leaf is confined to pivot about said common axis.

    Abstract translation: 由一对叶片构成的铰链,每个叶片具有板和多个间隔开的部件,其限定了在其相应板上成角度地设置的表面,其中所述构件围绕公共轴线同时形成,以产生具有各自的表面的螺旋形螺旋 互锁配合关系,使得每个叶片被限制在围绕所述共同轴线枢转。

    Snow caster deflector cap locking device
    32.
    发明授权
    Snow caster deflector cap locking device 失效
    雪柜防盗器锁定装置

    公开(公告)号:US3828450A

    公开(公告)日:1974-08-13

    申请号:US31308572

    申请日:1972-12-07

    Applicant: FMC CORP

    Inventor: BOECK D

    CPC classification number: E01H5/045 Y10T16/54029

    Abstract: A snow caster deflector cap locking device for positively locking a snow deflector cap, in selected pivot positions, to a snow outlet duct surmounted by the cap. A spring lever mounted on one side of the cap carries a lock pin that extends through a slot in the cap for selective engagement in any one of several holes in the fixed duct to couple the cap to the fixed duct and thereby lock the cap in selected annular positions.

    Abstract translation: 一种雪橇转向盖锁定装置,用于将选定的枢转位置的导雪板帽积极锁定到由帽盖上的雪花出口。 安装在盖的一侧上的弹簧杠杆承载延伸穿过盖中的狭槽的锁定销,用于选择性地接合在固定管道中的几个孔中的任何一个中,以将盖连接到固定管道,从而将盖锁定在选定的 环形位置。

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