| 摘要 |
A tape measure includes a housing assembly including a casing having two opposed sidewalls, a receiving cavity forming therebetween and an opening communicating with the receiving cavity, and a supporting axle having two ends supported at the sidewalls respectively, a tape reel which is disposed in the receiving cavity and is rotatably supported by the supporting axle, an elongated measuring blade, which is disposed in the receiving cavity, having an outer end being blocked at the opening of the casing and arranged to extend out of the casing, a retracting device for winding up the measuring blade in a coil rolled manner about the tape reel, and a friction reduction device provided between the supporting axle and the tape reel for substantially reducing a friction therebetween so as to enhance a rotational movement of the tape reel with respect to the supporting axle.
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