A cash box includes a housing with a bill storage compartment located in the housing. Included is an LED chip 2 having a luminescence wavelength between 360 nm and 440nm, and a light emitting part excitable upon exposure to light from the LED chip 2 to emit white light and comprising a phosphor, the phosphor including blue, green, and red light emitting phosphors bonded to each other. The needle thread can be clamped in the thread holding clearance so as to prevent the needle thread being pulled out of the needle during a thread cutting procedure.