发明名称 TR razr sharpening system
摘要 A device is disclosed for grinding reel type mower bedknives and blades of rotary type and reel type mowers. The device is capable of manually relief grinding reel blades on an intact mower, and in various stages of disassembly, to a bare reel stripped of its housing, with virtually any relief angle. The device can manually and semiautomatically spin grind a reel type mower reel while the reel is attached to the complete mower or if the reel and supporting structure are removed to a bench, with no further disassembly required. The device can manually grind the front face of a reel type mower bedknife while the bedknife remains attached to the reel housing and can grind the front and top face of a bedknife when it is removed. It can also grind rotary type blades and a variety of other straight edged tools.
申请公布号 US2009203298(A1) 申请公布日期 2009.08.13
申请号 US20090321745 申请日期 2009.01.26
申请人 RASMUSSEN DEAN DAVID 发明人 RASMUSSEN DEAN DAVID
分类号 B24B3/42 主分类号 B24B3/42
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