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Class 173/220 - With means to rotate reciprocating piston


Subclass of Class 173 - Tool driving or impacting
Definition: Apparatus wherein a means is provided to revolve a linearly
No. of patents: 4
Last issue date: 08/19/2008


NumberTitleIssue Date
7413029Screw fastening machine
The present invention aims to provide a screw fastening machine for reliably switching and changing a driving force transmitting path with the seating on a work as a reference. According to the screw fastening machine in which a first pulley is connected to a...
08/19/2008
5667490Ablation device drive assembly including catheter connector
A drive assembly for an ablation device. The drive assembly including a housing and a connector for coupling a catheter assembly including a rotatable drive shaft to the housing. The connector including a first coupling rotatably connected to the housing ...
09/16/1997
5231902Pneumatically operated screw driver
A pneumatically operated screw driver having a pneumatically operated rotor rotatably supported in an outer frame. The rotor is only rotatable about its axis. A moving unit is slidably disposed within the rotor. The moving unit has an upper piston and is ...
08/03/1993
4822264Reversible twin-chambered compressed-air motor
In reversible compressed air rotary motors for compressed air tools, particularly for wrenches, it is known to discharge the waste air radially from the casing of the motor, which results in a considerable nuisance, in particular as regards noise. Further...
04/18/1989
 
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