| 摘要 |
An air operated reciprocating tool, including, an air operated double ended piston positioned within a cylinder for reciprocation within the cylinder, a valve assembly in communication with a source of air for controlling the application of the source of air in alternation to opposite portions of the piston for reciprocation of the piston, a shoe member for supporting a tool and with the shoe member mounted for sliding motion, and belt means forming a loop for interconnecting the ends of the double ended piston and the shoe member and with the belt means supported by pulley members located adjacent the ends of the double ended piston and with the reciprocating motion of the double ended piston transmitted to reciprocating motion of the shoe member.
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