Patent ID: 7874340
Filing Date: 2011-01-25
Classification: B32B,Y10T

Abstract:
1. A laminating machine comprising upper and lower laminating rollers having first and second ends and outer surfaces rotatably moving toward each other adjacent a nip between them, upper and lower laminating film supply rollers having first and second ends and outer surfaces substantially parallel to the laminating rollers, frame members opposite each other at the ends of the upper and lower laminating rollers and the upper and lower laminating film supply rollers, socket portions in the ends of the laminating film supply rollers, and a variable-length spring-loaded chuck member having a forward end arranged to engage a supply roller socket portion mounted on a frame member and including a chuck head portion at the forward end of the chuck member, and a spring portion compressed between the head portion and an abutment in the chuck member permitting movement of the head portion at the forward end of the chuck member back and forth against the spring portion and urging the head portion into engagement with the socket portion, said spring-loaded chuck member also supporting the end of the laminating film supply roller on the head portion or releasing that end of the supply roller from the frame member.