Patent ID: 11883940
Assignee: nan
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 8:
9. A kit for converting a bi-directional pneumatic percussive tool from a pushing tool to a pulling tool, the tool having a tool body comprising a hollow interior with a distal end and a proximal end, a piston slidable in the hollow interior between the distal end and the proximal, an opening positioned at the distal end of the tool in communication with the hollow interior, the kit comprising:
a quick change chuck having a first end configured to selectively attach to the distal end of the tool and a second end comprising an axially slidable outer casing and a plurality of steel balls; and
a pull plug configured to selectively attach to the second end of the quick change chuck to seal the opening and regulate an air pressure within the hollow interior; the pull plug comprising a first end configured to be inserted into the second end of the quick change chuck and having a channel for engagement with the plurality of steel balls; the first end of the pull plug protruding into the quick change chuck but not protruding into the opening or into the hollow interior of the tool.