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    • 2. 发明授权
    • Photoreceptor belt tensioner providing low variation in belt tension as a function of belt length
    • 感光带张紧器,作为皮带长度的函数提供皮带张力的低变化
    • US07155144B2
    • 2006-12-26
    • US10909137
    • 2004-07-30
    • Mark A. AtwoodRobert Hildebrand
    • Mark A. AtwoodRobert Hildebrand
    • G03G15/00
    • G03G15/754
    • An apparatus for providing tension to a photoreceptor belt mounted for rotation about a plurality of fixed rollers mounted to a frame of an imaging device comprises a tensioning roller having a longitudinal axis and a convex contact surface for forcing a wrap angle with an inner surface of the photoreceptor belt, a moment arm mounted at a first end to the frame for pivotal movement relative to the frame about a pivot axis fixed relative to the frame and mounted at a second end to the tensioning roller; and a force exerting mechanism mounted to the frame and coupled through the moment arm to the tensioning roller to provide a force perpendicular to the longitudinal axis of the tensioning roller, the force exerting mechanism being configured to increase the force exerted thereby as the length of the photoreceptor belt increases.
    • 一种用于向安装成围绕安装在成像装置的框架上的多个固定辊旋转的感光带提供张力的装置包括具有纵向轴线和凸形接触表面的张紧辊,用于迫使与 感光带,第一端安装到框架上的力臂,用于围绕相对于框架固定的枢转轴线相对于框架枢转运动,并在第二端安装到张紧辊; 以及力施加机构,其被安装到所述框架并且通过所述力矩臂联接到所述张紧辊以提供垂直于所述张紧辊的纵向轴线的力,所述施力机构构造成增加由此施加的力作为所述张力辊的长度 感光带增加。
    • 4. 发明授权
    • Self-ejecting fastener stud
    • 自动弹出紧固螺柱
    • US4442571A
    • 1984-04-17
    • US405256
    • 1982-08-04
    • George R. DavisRobert HildebrandHarold Purcell
    • George R. DavisRobert HildebrandHarold Purcell
    • F16B5/10F16B21/04A44B17/00
    • F16B5/10F16B21/04Y10S24/59Y10T24/45173
    • A self-ejecting fastener stud is provided for use with a fastener receptacle to form a fastener assembly for fastening two members together. The stud has an enlarged head portion and a shank portion extending therefrom adapted to extend through an opening in one of the members to be fastened and to engage with a receptacle mounted on the other of the two members to be fastened. The stud has a cam follower and the receptacle has a cam surface positioned so that engagement and relative rotation therebetween will shift the stud and receptacle between fastened and unfastened positions. The stud is adapted to be retained on the one member so that it can be shifted between an inserted position with the head adjacent the one member and an ejected position with the head spaced from the one member. A biasing spring is on the stud tending to direct the stud toward the ejected position so that when the stud is released from engagement with the receptacle the biasing spring will shift the stud to the ejected position. Mounting of the stud to the one member is facilitated by a resistant interference fit between the cam follower and a keyhole formed on the receiving surface.
    • 提供自动排出紧固螺柱用于与紧固件插座一起使用以形成用于将两个构件紧固在一起的紧固件组件。 螺柱具有扩大的头部部分和从其延伸的杆部分,其适于延伸穿过待紧固的构件中的一个中的开口并与安装在要紧固的两个构件中的另一个上的插座接合。 螺柱具有凸轮从动件,并且容器具有凸轮表面,凸轮表面定位成使得它们之间的接合和相对旋转将在紧固位置和非松开位置之间移动螺栓和容器。 螺栓适于保持在一个构件上,使得其可以在与头部相邻的一个构件的插入位置和与头部与一个构件间隔开的弹出位置之间移动。 螺栓上的偏置弹簧倾向于将螺柱朝向弹出位置引导,使得当螺柱从与接收器接合释放时,偏置弹簧将将螺柱移动到弹出位置。 通过凸轮从动件与形成在接收表面上的锁孔之间的电阻过盈配合,可以将螺栓安装到一个构件上。