发明名称 Winch Bar
摘要 There is a winch bar for winding a winch having a winding drum with an annular wall and a circular opening. A plurality of winch bar receiving apertures extend diametrically through the drum on opposite sides of the wall. The winch bar has an outer portion dimensioned to extend through the apertures. The winch bar also has an inner portion larger than the apertures and a first shoulder between the inner portion and the outer portion. The outer portion includes an outer tip which tapers outwardly. There is a first segment of reduced section adjacent the tip and dimensioned to receive the wall of the drum on the first side thereof. A second shoulder is located between the tip and the first segment. There is a second segment of reduced section adjacent the first shoulder and which is dimensioned to receive the wall of the drum on a second side thereof. The bar has a third segment having a larger section than the first and second segments and which is located therebetween. The third segment is dimensioned to fit within the central opening of the drum between the first and second sides of the annular wall.
申请公布号 CA2148026(A1) 申请公布日期 1995.11.19
申请号 CA19952148026 申请日期 1995.04.27
申请人 CHAN, MEE PHENG 发明人 CHAN, MEE PHENG
分类号 B60P7/08;(IPC1-7):B66D1/00 主分类号 B60P7/08
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