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公开(公告)号:US20070252121A1
公开(公告)日:2007-11-01
申请号:US11572236
申请日:2004-08-04
申请人: Dilip Prasad , Brice Cassenti , Pedro Baranda , William Veronesi , William Perron , Ary Mello , Paul Stucky , John Pitts , John Wesson , Mark Thompson
发明人: Dilip Prasad , Brice Cassenti , Pedro Baranda , William Veronesi , William Perron , Ary Mello , Paul Stucky , John Pitts , John Wesson , Mark Thompson
IPC分类号: B66D3/08
CPC分类号: B66B15/04 , B66B11/08 , B66D3/04 , B66D2700/026
摘要: An elevator sheave (20) includes a belt guiding surface (26) having a surface profile along at least a portion of the belt guiding surface. The surface profile preferably is defined by an nth order polynomial equation where n is a number greater than 2. In one example, the reference point (40) is a central point along the width of the belt guiding surface (26). In one example, a central portion (42) of the surface profile preferably is aligned to be generally parallel with the central axis (34) of the sheave body. Some examples have curvilinear side portions (44, 46) between the central portion (42) and the edges (28, 30) of the sheave. Other examples also include second side portions (48, 50) that have linear profiles.
摘要翻译: 电梯滑轮(20)包括带引导表面(26),带表面沿着带引导表面的至少一部分具有表面轮廓。 表面轮廓优选地由n≥0的多项式方程定义,其中n是大于2的数字。在一个示例中,参考点(40)是沿着带引导件的宽度的中心点 表面(26)。 在一个示例中,表面轮廓的中心部分(42)优选地对准以与滑轮主体的中心轴线(34)大致平行。 一些示例在中心部分(42)和滑轮的边缘(28,30)之间具有曲线侧部分(44,46)。 其他示例还包括具有线性轮廓的第二侧部(48,50)。