Patent ID: 8746314

Claim:
A machine for applying a heat shrinkable tubing on a generally planar paper fastener prong, comprising: a. tubing supply driver including first and second drive wheels each having a circumferential recess in their outer periphery, said drive wheels having their circumferential edges located adjacent each other, said recess together defining a space just smaller than the outer circumference of the tubing; said driver being actuatable to drive said tubing laterally onto said prong; b. a pusher for further sliding the tubing into a final position on the prong; said pusher including first and second opposing jaws, at least one of said jaws including a pivotal arm; and c. a reciprocating arm and lateral driver attached to a link and capable of sequentially moving the jaws between open and closed positions and then further moving the jaws laterally, thereby driving, through said link, the jaws between open and closed positions and then laterally toward said prong, wherein, in said closed position, said jaws engage said tubing to drive it onto said prong.