Lacrosse ball resurfacer
作者： Grayson Day Roze
DOI:
关键词: Abrasive 、 Engineering drawing 、 Ball (bearing) 、 Engineering 、 Mechanical engineering
摘要: A lacrosse ball resurfacer is suitable for roughening a surface of ball. The includes surfacing element with concave recess formed thereon. sized to receive at least portion the and has an abrasive disposed
lens.org 参考文章(9)
Edward R. Kratfel, Cue tip shaping device ,(1987)
Terry Engelbrektson, Bowling ball surface finishing tool assembly ,(1994)
Gayle McDonald, Portable golf ball washer ,(1998)
Takenori Tatsuzawa, Masahiko Tatsuzawa, Golf ball cleaner ,(2004)
Yun Sung Nam, Bowling ball resurfacing device ,(2002)
Gary Louis Smania, John M. Brandt, Bowling ball abrader and polisher system and method ,(2010)
Beaudette Henry, Bowling ball cleaner or polisher ,(1947)
Raymond C Wallace, Tool for cleaning concave cylindrical surfaces ,(1948)
Otto E Zimmerling, Bowling-ball-polishing attachment for pin trimming and polishing machines ,(1927)