Patent ID: 9009902
Filing Date: 2015-04-21
Classification: A61C

Abstract:
1. An electric toothbrush comprising: a toothbrush head; an oscillation generator formed by a motor including an eccentric weight; and a main body case attached in a removable manner to the toothbrush head and accommodating the oscillation generator; wherein the toothbrush head is attached to a brush attachment shaft tube provided with a closed distal end portion at a distal end of the main body case, the oscillation generator and the motor accommodation portion are arranged in the brush attachment shaft tube, the main body case includes an outer case, which includes the brush attachment shaft tube, and an inner case, which includes a motor accommodation portion that accommodates the motor at one end a battery accommodation portion that accommodates a battery for driving the motor at another end, and the inner case is accommodated in the outer case so that the motor accommodation portion is press-fitted into the brush attachment shaft tube of the outer case.