US 7,536,804 B2
Measuring tape device with illumination function
Ming-Chi Chang, 235 Chung - Ho Box 8-24, Taipei (Taiwan)
Filed on Apr. 02, 2007, as Appl. No. 11/731,860.
Prior Publication US 2008/0235975 A1, Oct. 02, 2008
Int. Cl. G01B 3/10 (2006.01)
U.S. Cl. 33—760  [33/770] 2 Claims
OG exemplary drawing
 
1. 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).