Patent ID: 7585108

Claim:
A probe cover for sheathing a measuring probe of an ear thermometer, in which an engaging means is provided at a bottom of the measuring probe and the probe cover comprises: a main body of a hollow structure, having an open end and a closed end opposite to the open end, wherein an assembling direction extending from the open end toward the closed end is where the measuring probe is assembled along, and the main body has a diameter gradually reducing along the assembling direction while the closed end is provided for allowing infrared rays to be received by the measuring probe to pass therethrough; an abutting segment, deposited at the open end of the main body; and a base, annularly provided around a periphery of the abutting segment; characterized in that: the probe cover is integrally formed, and an annular shoulder is provided at the abutting segment for accommodating the engaging means of the ear thermometer while a plurality of separated protuberances are formed inwardly at a combining portion between the abutting segment and the base, for being engaged with the engaging means of the ear thermometer, wherein the protuberances are formed by directly making the abutting segment depressed inwardly, and each of the protuberances has a guiding surface facing the base and an resisting surface facing the main body, and a first included angle is formed between the guiding surface and the assembling direction while a second included angle is formed between the resisting surface and the assembling direction, in which the first included angle is smaller than the second included angle.