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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||15/23 ; ; 15/25701 ; 312/229 ; 312/2231|
|발명자 / 주소|
|인용정보||피인용 횟수 : 13 인용 특허 : 0|
An electric rotary toothbrush having a flexible brush element which conforms to curvature of the teeth within the mouth. The flexible brush is supported at one end by attachment to the handle of the toothbrush, and at the other end by a wheel journaled to the shaft of the flexible brush. The wheel contacts and bears against the teeth or gums of the user. The wheel remains stationary while the brush rotates relative thereto. The toothbrush has a battery and reversible electric motor for rotating a shaft to which the brush is removably attached. The toothb...
A rotary brush comprising: a handle having a drive shaft and a motor for rotating said drive shaft carried within said handle; a flexible shaft having a proximal end and a distal end, said flexible shaft having means for detachable securement to said drive shaft at said proximal end for rotation with said drive shaft; a brush fixed on said flexible shaft near said distal end for rotation with said flexible shaft; a bearing wheel journalled to said distal end of said flexible shaft, said bearing wheel attached solely to said flexible shaft, wherein, when ...