| 摘要 |
<p>PCT No. PCT/DE90/00673 Sec. 371 Date May 5, 1992 Sec. 102(e) Date May 5, 1992 PCT Filed Sep. 5, 1990 PCT Pub. No. WO91/07117 PCT Pub. Date May 30, 1991.An electric toothbrush has a brush section which is demountable from a handle section that has a protruding brush drive shaft. Radial and axial securing of the brush section to the handle section is accomplished by structure separated by function, including radial securing structure at the base of the brush section that engages cooperating structure at the end of the handle section from which the drive shaft protrudes, and axial securing structure housed within the brush section that engages the protruding drive shaft of the handle section.</p> |
