TOOL HOLDER ASSEMBLY FOR A PORTABLE MACHINING DEVICE

摘要

A holder for holding a tool to be reciprocated comprising a reciprocating rod having a column-like hollow opened at the front end thereof, a holder piece having first and second ends and inserted into the hollow of said rod, said holder piece further having a split extending from the first end to the second end thereof and into which the tool is attached, and screw holes crossing one of those inner walls which define the split, and screws threadably secured into screw holes to press the side of the tool attached to the split of the holder piece.