Roller construction for stripping sheet material from transport rollers

Claim 1

IN A ROLLER ASSEMBLY FOR TRANSPORTING SHEET FILM HAVING MEANS FOR STRIPPING THE SHEET FILM FROM A ROLLER, THE IMPROVEMENT IN SAID STRIPPING MEANS, SAID IMPROVEMENT INCLUDING, (A) A FIRST CYLINDRICAL ROLLER, (B) A SECOND CYLINDRICAL ROLLER FOR ROLLING CONTACT WITH SAID FIRST ROLLER, (C) A RING MEMBER HAVING A CONSTANT DIAMETER COMPOSED OF COMPRESSIBLE RESILIENT MATERIAL, (D) SAID FIRST ROLLER HAVING AN ANNULAR RECESS EXTENDING RADIALLY INTO THE ROLLER HAVING AN ANNULAR RECESS EXTENDING THE ROLLER AND IN WHICH SAID RING IS MOUNTED, (E) THE INNER DIAMETER OF SAID RING BEING SUBSTANTIALLY THE DIAMETER OF THE BOTTOM OF SAID RECESS WHEREBY THE RING IS MAINTAINED IN THE RECESS, (F) SAID RECESS HAVING A WIDTH GREATER THAN THE WIDTH OF SAID RING IN AN UNCOMPRESSED STATE WHEREBY THE RECESS WILL ACCOMMODATE SAID RING IN A COMPRESSED STATE, (G) THE RADIAL THICKNESS OF SAID RING MEMBER BEING GREATER THAN THE DEPTH OF SAID RECESS WHEN SAID RING IS IN AN UNCOMPRESSED STATE AND NO GREATER THAN THE DEPTH OF SAID RECESS WHEN IN A COPMPRESSED STATE WHEREBY AN ANNULAR PORTION OF SAID RING EXTENDS OUTWARDLY OF THE SURFACE OF SAID ROLLER IN ITS UNCOMPRESSED STATE AND COMPRESSES AT THE POINT OF CONTACT OF SAID RING WITH SAID SECOND ROLLER ROTATED IN CONTACT WITH SAID FIRST ROLLER, (H) SAID RING EXPANDING TO ITS ORIGINAL UNCOMPRESSED THICKNESS AT A POINT ADVANCED FROM SAID POINT OF ROLLER CONTACT TO THEREBY STRIP SHEET MATERIAL FROM SAID FIRST ROLLER MOUNTING SAID RING MEMBER.