Patent ID: 6931742

Claim:
A motorized chalk line apparatus comprising: a) a housing including an aperture having a portion of a chalk line extending therefrom; b) a spool compartment within said housing further comprising: i) a first stub axle extending inward from a first side of said spool compartment; and ii) a second stub axle extending inward from a second side of said spool compartment; c) a chalk reservoir in proximity to said spool compartment communicating with said housing's aperture having said chalk line extending therefrom, wherein said chalk reservoir further comprises: i) a first opening through which chalk is added to said chalk reservoir; and ii) a second opening communicating with said spool compartment; d) a spool comprising: i) a hollow extending from said first stub axle to said second stub axle; and ii) a driven gear; e) a winding of said chalk line about said spool, wherein at least a portion of said chalk line extends through said second opening and said housing's aperture; f) a drive for engaging said driven gear, wherein said drive rotates said spool to wind said chalk line about said spool; g) an electrical motor communicating with said housing and said drive; h) a battery communicating with said housing and linked to said electrical motor; i) a switch communicating with said housing for activating said electrical motor; and j) a stop at an outward most portion of said chalk line.