Patent ID: 7161717

Claim:
A self-propelled image read module, comprising: a sensor; a guide rod disposed below said sensor and fixed on a base, said sensor being slidably matched on said guide rod; a motor disposed at one side of said sensor; a gear set comprising a plurality of gears, a transmission wheel, and at least an idle wheel, said gear set being connected to said motor; a belt passing through between and contacting said transmission wheel and said idle wheels; and a plurality of clamping seats comprising a first belt clamping seat and a second belt clamping seat formed on said base by means of mold ejection, and an elastic clamping seat disposed adjacent to said second belt clamping seat; wherein said belt is fixed on said base by one end clamped between said first belt clamping seat and said base and the other end elastically clamped between said second belt clamping seat and said elastic clamping seat.