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    • 11. 发明授权
    • Door closer
    • 闭门器
    • US4117567A
    • 1978-10-03
    • US852813
    • 1977-11-18
    • Toyoaki Shimizu
    • Toyoaki Shimizu
    • E05D11/04E05F1/12E05F3/20E05F3/22
    • E05D11/04E05F1/1215E05Y2900/132Y10T16/304Y10T16/5388Y10T16/599
    • A door closer comprises: first and second cylinders provided with respective hinge pieces, the cylinders being rotatable with respect to each other about one and the same axis and being in contact with each other in the axial direction thereof; a support shaft inserted into the two cylinders substantially over the entire length thereof, one end portion of the support shaft being non-rotatably secured to the end portion of the second cylinder while the other end portion thereof being rotatably supported in the first cylinder; an intermediate rotary cylinder member provided rotatably with respect to the support shaft and the first cylinder between one end portion of the support shaft and the inner wall of the first cylinder; and a coil spring surrounding substantially the entire length of the support shaft in such a manner that both end portions thereof are non-rotatably secured to the intermediate rotary cylinder member and the lower end portion of the second cylinder, respectively. Grooves are formed at predetermined positions on the inner wall of the upper end portion of the first cylinder, the outer wall of the upper end portion of the support shaft, and the inner wall of the intermediate rotary cylinder member in such a manner that the grooves form two holes as the first and second cylinders are rotated into which two pins are detachably inserted.
    • 一种闭门器包括:第一和第二气缸,设置有相应的铰链片,所述气缸可相对于彼此绕同一轴线旋转并且在其轴向方向上彼此接触; 基本上在其整个长度上插入到两个气缸中的支撑轴,支撑轴的一个端部不可旋转地固定到第二气缸的端部,而另一个端部可旋转地支撑在第一气缸中; 中间旋转圆筒构件,其相对于所述支撑轴可旋转地设置,所述第一气缸在所述支撑轴的一个端部与所述第一气缸的内壁之间; 以及螺旋弹簧,其基本上围绕支撑轴的整个长度包围,使得其两个端部分别不可旋转地固定到中间旋转圆筒构件和第二气缸的下端部。 槽形成在第一缸体的上端部的内壁,支撑轴的上端部的外壁和中间的旋转缸体的内壁的规定位置, 当第一和第二气缸旋转时,形成两个孔,两个销可拆卸地插入其中。
    • 12. 发明授权
    • Security hinge
    • 安全铰链
    • US4116514A
    • 1978-09-26
    • US817984
    • 1977-07-22
    • Tom M. Lawrence
    • Tom M. Lawrence
    • E05D5/12E05D7/10E05D11/00E05D11/04H01R35/02H01R39/00
    • E05D11/04E05D11/0018E05D11/0081E05D5/127H01R35/02E05D2005/102E05D5/12E05D7/1005E05Y2800/28Y10T16/522Y10T16/551Y10T16/553
    • A security hinge is disclosed which includes a pair of leaves, having respectively, at least a pair of spaced end knuckles and at least one immediate knuckle disposed therebetween. Each knuckle includes a central axial bore, the bores being aligned co-axially. A pair of pins are provided, each pin having a head portion disposed in an end knuckle bore for rotation in unison therewith and a body portion thereof disposed within an intermediate knuckle bore to maintain the leaves in assembly and permit relative rotation therebetween the pin and intermediate knuckle. Stop means, are provided interiorly of the bores, against which the heads of the respective pins abut, thus preventing the pins from being driven completely through the end knuckle bores in the axially inward direction. Since the pins are recessed within the bores, and one prevents the other from being forced out of the bores in the axially outward direction, unauthorized disassembly of the hinge is precluded. The hinge may be provided with continuous passage means into which one or more electrical conductors are engaged, so that said conductor is substantially concealed, the hinge giving the outward appearance of a conventional, load bearing hinge.
    • 公开了一种安全铰链,其包括一对叶片,分别具有至少一对间隔开的结节和至少一个立节点之间。 每个转向节包括一个中心轴向孔,孔与轴向对齐。 提供一对销,每个销具有设置在端部转向节孔中的头部部分,用于与之一体旋转,并且其主体部分设置在中间转向节孔内,以保持叶片组装并允许销和中间体之间的相对旋转 指关节 止动装置设置在孔的内部,相应销的头部与其邻接,从而防止销在轴向向内的方向上被完全驱动通过端部转向节孔。 由于销凹陷在孔内,并且一个防止另一个在轴向向外的方向被迫离开孔,因此排除了非法拆卸铰链。 铰链可以设置有连接的通道装置,一个或多个电导体接合在该通道装置中,使得所述导体基本上被隐藏,所述铰链给出常规的承重铰链的外观。