发明名称 BOAT BEACHING ROLLER DEVICE BOAT BEACHING ROLLER DEVICE
摘要 BOAT BEACHING ROLLER DEVICE A Boat Beaching Roller Device has a tapered rubber roller with pressed in nylon bushings in both ends, and rotates on a 5/9 of an inch thick 13 1/2 inch long galvanized steel shaft supported by a three piece 3/16 inch thick galvanized flat bar frame capable of two positions, one being the ready for use H pattern, the other the fully aligned straight storage position. the two outer pivoting pieces of flat bar have a 90 degree bend and a 45 degree cut on all four ends, which enables the unit to anchor itself to almost any surface found on any shoreline.
申请公布号 CA2080072(A1) 申请公布日期 1994.04.08
申请号 CA19922080072 申请日期 1992.10.07
申请人 STURGEON, MICHAEL A. 发明人 STURGEON, MICHAEL A.
分类号 B63C3/02;B63C13/00;(IPC1-7):B63C3/02 主分类号 B63C3/02
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