| 摘要 |
PCT No. PCT/JP94/01917 Sec. 371 Date Jun. 29, 1995 Sec. 102(e) Date Jun. 29, 1995 PCT Filed Nov. 11, 1994 PCT Pub. No. WO95/14403 PCT Pub. Date Jun. 1, 1995A toothbrush in which a basal end portion of a neck portion is connected to a distal end portion of a handle portion through a pivotal pin, a slide member for fixedly connecting the basal end portion and the distal end portion is slidably arranged relative to the distal end portion through the pivotal pin, so that the bending angle of the neck portion relative to the handle portion can be adjusted by sliding the slide member, the basal end portion includes a pair of linkage portions which are brought to outer sides of the distal end portion of the handle portion and connected to the distal end portion through the pivotal pin, the linkage portions are each provided with a slant elongated-slit positionally offset toward the bristle portion from the pivotal pin, the handle portion is provided with a slide guide groove for guiding the slide member, the slide member includes a slide basic body having an elongated-slit for receiving the pivotal pin, the slide basic body being slidably fitted in the guide groove and provided with a pair of fit-in projections formed respectively on opposite sides of the slide basic body at areas positionally offset toward the neck portion, the fit-in projections being slidably fitted respectively in the slant elongated-slits, and the slide member further includes a control plate firmly mounted on the basic body.
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