Patent ID: RE41354

Claim:
A tape cassette for use with a printing device that includes a tape drive, pins, a print head, an array of sensors, and a drive shaft, the tape cassette comprising: printing tape; and a cassette casing ; wherein: housing the cassette casing houses the printing tape and defining defines four corners and a feed path through which the printing tape moves in a feeding direction , ; the cassette casing defining defines a head recess adapted to receive the print head of the printing device , ; the cassette casing further defining defines a recess to receive for receiving the drive shaft adjacent a first corner of the four corners of the cassette casing downstream of, and spaced from, the head recess in the feeding direction , and adapted to engage the tape drive of the printing device to feed the printing tape in the feeding direction , ; the cassette casing defining defines a first positioning hole adjacent the drive shaft and a second positioning hole spaced from the drive shaft, the first and second positioning holes communicating with the pins of the printing device to ensure a proper positioning of the cassette casing within the printing device, when the tape cassette is installed in the printing device; the cassette casing defining defines a detector surface adapted to interact with the array of sensors of the printing device to identify at least one characteristic of the tape cassette, the detector surface positioned absolutely at a second corner of the four corners, the second corner positioned diagonally opposite the first corner , ; and the detector surface defining defines multiple sensor holes that interact with the array of sensors of the printing device , when the tape cassette is installed in the printing device .