发明名称 Pin changing device and method
摘要 A pin removal assembly for use with an upper block of a crane includes a sheave support and a pin support. The upper block includes a frame, a plurality of sheaves, and a removable sheave pin that defines an axis of rotation for the sheaves and supports the sheaves within the frame. The pin removal assembly includes a sheave support mountable to the frame of the upper block and a pin support mountable to the frame of the upper block. The pin support is configured to support the sheave pin when the sheave pin is removed from the upper block.
申请公布号 US2006151764(A1) 申请公布日期 2006.07.13
申请号 US20050032529 申请日期 2005.01.10
申请人 MHE TECHNOLOGIES, INC. 发明人 WAISANEN STEVEN K.
分类号 B66D1/00 主分类号 B66D1/00
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