Patent ID: 6125732
Filing Date: 2000-10-03
Classification: B43M,Y10S,Y10T

Abstract:
A letter opener comprising:a stationary part having a letter support surface;a guide assembly comprising a first guide rail connected to the stationary part at one end of the letter support surface;a knife assembly moveably mounted on the guide assembly;the knife assembly comprising a knife housing and a round knife rotatably mounted inside the knife housing;the guide assembly comprising a second guide rail extending parallel to the first guide rail and positioned inside the knife housing;the round knife positioned between the first and second guide rails and having a radially recessed circumferential shoulder engaging the first guide rail;the knife assembly having means for biasing the round knife against the first guide rail to establish a drive connection so that the knife assembly is moveable on the first guide rail, the means for biasing positioned between the second guide rail and the round knife and resting against the second guide rail and the round knife.