Patent ID: 8020488

Claim:
A strapping machine comprising: a machine body having a working surface, a first hole, and a second hole; a strap chute including an access guiding portion and an exit guiding portion; said access guiding portion has an access hole which is corresponding to said first hole; said exit guiding portion has an exit hole which is corresponding to said second hole; a strap supplying device for supplying a strap and for performing a strapping work; said strap being supplied into said strap chute via said first hole and said access hole and then being guided out via said exit hole and said second hole, said strap being back to said strap supplying device for performing a strapping movement; and a controlling device having a controller, a first driving portion, and a second driving portion; said first driving portion being provided for moving said access guiding portion vertically, said second driving portion being provided for moving said exit guiding portion vertically; a vertically moving distance of said access guiding portion and another moving distance of said exit guiding portion being adjustable independently; and an object height detector for detecting a height of an object, so that said controller can control said vertical moving distances of the access guiding portion and of the exit guiding portion to be just slightly higher than said object.