Patent ID: 7536804

Claim:
A measuring tape device with illumination function, comprising: a casing ( 10 ) having at least one battery ( 40 ) therein; a measuring tape ( 20 ) received in the casing ( 10 ); one end of the measuring tape ( 20 ) being formed with a hook ( 21 ); the measuring tape ( 20 ) being made of elastic steel sheet; the hook ( 21 ) protruding from a lower lateral side of the casing ( 10 ) and can be buckled to an object to be measured; an illuminator ( 30 ) having a switch ( 31 ) and an illuminating unit ( 32 ); the switch ( 31 ) being installed at an upper side of the casing ( 10 ) for actuating the illuminating unit ( 32 ); the illuminating unit ( 32 ) being installed at the lateral side of the casing ( 10 ) and at the same level of and aside the measuring tape hook ( 21 ); a cover ( 33 ) covering upon the illuminating unit ( 32 ); the cover ( 33 ) being transparent or non-transparent; the cover ( 33 ) having a right triangular tapered shape and having the function of reflection and deflection; and a rectangular bottom of the cover ( 33 ) facing the hook ( 21 ).