Guidance device for thermo shrinkable film machine

Abstract

A shrinkable film machine includes a lower pulley and an upper pulley so as to feed the shrinkable film to a control unit located between a shaft and the upper pulley. The control unit includes a detection part and a transferring part. The guidance device includes two side walls and a slot defined therebetween so that the film passes through the slot before being mounted to the shaft. The two side walls extend through the detection part so that the film is guided before entering the transferring part.

1 . A guidance device for a shrinkable film machine which includes a lower pulley and an upper pulley, a control unit located between a shaft and the upper pulley, the control unit having a detection part and a transferring part, the guidance device comprising: 
 two side walls and a slot defined between the two side walls, the two side walls adapted to extend through the detection part, the slot adapted to be located between the upper pulley and the shaft.    
   
   
       2 . The device as claimed in  claim 1 , wherein the guidance device includes an entrance portion which includes a divergent opening.  
   
   
       3 . The device as claimed in  claim 2 , wherein each of the two side walls has an outward leading edge so as to form the entrance portion.  
   
   
       4 . The device as claimed in  claim 1 , wherein each of the two side walls has a through hole defined therethrough.