Combination retractable tape measure/chalk line device
作者： Joey L. Hester
DOI:
关键词: Tape measure 、 Engineering 、 Acoustics 、 Line (text file) 、 Chalk line 、 Engineering drawing
摘要: A combination retractable tape measure/chalk line device for incorporating both a taper measure and chalk in one unit. The includes housing having front side walls, also an intermediate wall disposed the separating into first second compartments; dispensing assembly including spool being rotatably compartment, flexible carried about retractably extended from housing, further substance compartment deposited upon line; measuring plurality of markings numbers displayed thereupon determining distances lengths; support member attached to housing.
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