Replacement Head for An Oral Care Implement, And Oral Care Implement And Method Of Utilizing The Same

摘要

A replacement head for an oral care implement, such as a powered toothbrush, wherein the replacement head utilizes a specially designed structure for coupling the replacement head to an oral care implement body. In one embodiment, the invention can be a replacement head comprising: a head having a plurality of tooth cleaning elements mounted thereto; a tubular sleeve comprising a cavity for receiving a stem of the body, a proximal edge defining an opening into the cavity, and a distal end to which the head is coupled, the tubular sleeve comprising a locking tab for engaging an undercut surface of a locking section of a boss.

主权项

1. An electric toothbrush comprising:
an electric toothbrush main body including a bar-shaped stem which has a leading end part, vibrates by a vibration source provided inside the electric toothbrush main body, and extends along a center axis; and a replacement brush to be attached so as to cover said stem, wherein said stem includes a protruding part region which protrudes outward from an outer peripheral face of the stem, said replacement brush includes: a tubular part having an open trailing end; a brushing member formed outside a leading end side of said tubular part; and an open sidewall formed from a trailing end side toward the leading end side of said tubular part to define an opening region having a leading end side which is closed and a trailing end side which is opened at said open trailing end, said open sidewall has a bulging wall protruding toward said opening region, and in the attached state of said replacement brush to said stem, said protruding part region is located inside said opening region, and said bulging wall comes into contact with said protruding part region at a trailing end side of said protruding part region.