Inventor
SIMPSON FRANK F
7 patents
Patents
7 patentsUS4442906AApr 17, 1984
Percussive drills
BLACK & DECKER INC101 citations94
US4378053AMar 29, 1983
Tool holder
BLACK & DECKER INC62 citations94
US4436163AMar 13, 1984
Arrangement for converting rotary motion to reciprocatory motion
BLACK & DECKER INC52 citations91
US4366403ADec 28, 1982
Brush assembly and mounting arrangement for a portable tool
BLACK & DECKER INC31 citations87
US4353425AOct 12, 1982
Guide tube support for rotary impact hammer
BLACK & DECKER INC27 citations80
US4346769AAug 31, 1982
Percussive tool drive linkage
BLACK & DECKER INC8 citations72
US4497380AFeb 5, 1985
Hand-held power tools including bearing supports for components undergoing linear movement
BLACK & DECKER INC6 citations54