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Class 173/54 - With fixed means cyclically contacted by grip structure


Subclass of Class 173 - Tool driving or impacting
Definition: Apparatus in which during each cycle of reciprocation the
No. of patents: 1
Last issue date: 04/18/1995


NumberTitleIssue Date
5407017Hammer for removing gates or risers from castings
An air-operated hammer is provided for removing risers or gates from castings. The hammer includes a piston having a rod to which an impact member is releasably latched. Operation of the piston is controlled by a pneumatic logic control circuit, the opera... 		04/18/1995
 
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