| 摘要 |
PCT No. PCT/JP91/01208 Sec. 371 Date May 29, 1992 Sec. 102(e) Date May 29, 1992 PCT Filed Sep. 12, 1991 PCT Pub. No. WO92/04853 PCT Pub. Date Apr. 2, 1992.A floor polisher of the present invention is provided with a main body having a motor incorporated therein, and a driving shaft coupled to the motor and protruding out below the bottom face of the main body. A front end of the driving shaft is polygonal, and a stepped portion is formed in the outer periphery thereof. Moreover, a rotary cleaner unit is detachably mounted to the driving shaft, which is provided with a polygonal axial hole to be engaged with the polygonal end part of the driving shaft. A lever is provided to engage with the stepped portion of the driving shaft to thereby prevent the rotary cleaner unit from shipping off the shaft. The lever is slidable forward and backward, is urged toward the stepped portion, and has an inclined face formed at its front end. |
