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    • 14. 发明授权
    • Web unwinding apparatus and method
    • Web展开装置和方法
    • US5209418A
    • 1993-05-11
    • US816173
    • 1992-01-02
    • William J. Alexander, III
    • William J. Alexander, III
    • B65H16/10
    • B65H16/10B65H2301/4172
    • An apparatus is illustrated for unwinding a web, such as cloth or paper, which utilizes a driven belt having a width in excess of the width of the web forming a cradle for a cloth roll and the like with adjusters for adjusting the path of travel of the belt including at least one oscillatable roll over which the belt passes and which is oscillated responsive to sensors sensing the position of the belt. A pair of downwardly and inwardly tapering guides are provided spaced opposite respective ends of a tubular core for maintaining proper position of the web roll carried thereby. A pair of downwardly and inwardly tapering guides are provided spaced opposite respective ends of a tubular core for maintaining proper position of the web roll carried thereby. The method contemplates doffing the core of the cloth roll by utilizing a vertically movable roll for tightening the belt while at the same time lowering one of a pair of spaced rolls supporting the cradle so.
    • 一种装置用于展开卷筒纸,例如布或纸张,其利用宽度超过卷材宽度的卷筒纸形成用于布卷的托架等的带动调节器的调节器,调节器用于调节传送路径 所述皮带包括至少一个可摆动的辊,所述皮带通过所述至少一个可摆动的辊,并响应于感测所述皮带位置的传感器而被摆动。 一对向下和向内的锥形引导件设置成与管状芯部的相应端部间隔开,用于维持由此承载的卷筒纸的适当位置。 一对向下和向内的锥形引导件设置成与管状芯部的相应端部间隔开,用于维持由此承载的卷筒纸的适当位置。 该方法考虑通过利用用于紧固带的可垂直移动的辊来同时降低支撑支架的一对隔开的辊中的一个,从而将布卷的芯部落下。
    • 19. 发明授权
    • Tractor hitch and method
    • 拖拉机搭接和方法
    • US5743339A
    • 1998-04-28
    • US598991
    • 1996-02-09
    • William J. Alexander, III
    • William J. Alexander, III
    • A01B59/06B60D1/00
    • A01B59/062
    • A tractor hitch engageable and disengageable by an operator without leaving a tractor seat includes an upwardly and inwardly tapering cam (A) carried by a tractor at three-point hitch locations for engagement between inwardly extending marginal guides (C) integral with a complementary substantially wedge shaped cam follower (B) carried by an implement. The method includes positioning the cam below the cam follower and then lifting the cam by raising hydraulic lift arms (D) carried by the tractor exerting a guiding action between the cam and the cam follower bringing them into interlocking relation for thereafter automatically engaging a latch (E) dislodgement of the cam from the cam follower as during transport of the implement may be avoided.
    • 在不离开拖拉机座的情况下,由操作者可接合和分离的牵引车牵引件包括由牵引车在三点牵引位置承载的向上和向内渐缩的凸轮(A),用于在向内延伸的边缘引导件(C)之间进行接合, (B)由工具承载。 该方法包括将凸轮定位在凸轮从动件下方,然后通过升高牵引机承载的液压提升臂(D)来提升凸轮,该牵引臂在凸轮和凸轮从动件之间施加引导作用,使它们成为互锁关系,从而自动接合闩锁 E)可以避免在运输工具期间凸轮从凸轮从动件的移动。