A - Human Necessities – 46 – B
Patent
A - Human Necessities
46
B
A46B 13/02 (2006.01) A46B 17/00 (2006.01) A61C 15/04 (2006.01) A61C 17/00 (2006.01) A61C 17/32 (2006.01) A61C 17/34 (2006.01)
Patent
CA 2163752
An oral hygiene instrument according to this invention by means of vibration generating means vibrates by way of a holder member an oral hygiene tool removably attached to the holder member and comprises a cap member having a cap side thread portion which meshes with a holder side thread portion formed at a first end of the holder member which cap member is removably attached to the first end of the holder member and closes an opening in the first end of the holder member, a seal ring fitted on a portion of the holder member or the cap member at the external end of the part where the two members mesh which seal ring is pressed upon by either the cap member or the holder member and seals the gap between the holder member and the cap member within a range of a predetermined angle of screwing of the cap member with respect to the holder member from a late stage to completion of said screwing, and a holder side contact piece and a cap side contact piece mounted in the holder member and the cap member respectively which approach each other when the cap member is screwed with respect to the holder member and in the range of the predetermined angle make contact and close a circuit supplying electricity to the vibration generating means. In order to removably attach the oral hygiene tool to the holder member, a bottomed cylindrical holding part having 54 a plurality of axially extending first slits and second slits is formed at a second end of the holder member, and the oral hygiene tool is provided with a shaft portion which can be inserted into the holding part.
Appareil d'hygiène buccale comprenant un support, un instrument d'hygiène buccale monté amovible sur une extrémité du support, et un vibrateur logé à l'extrémité du support et faisant vibrer l'instrument d'hygiène buccale par l'intermédiaire du support. L'appareil comprend en outre un capuchon comportant une partie filetée vissée sur une partie filetée formée de l'autre côté du support et fermant l'ouverture à cet endroit; une bague d'étanchéité assurant l'étanchéité entre le support et le capuchon, placée à l'extrémité d'engagement du côté ouvert du support ou du capuchon, et qui est comprimée contre le capuchon ou le support selon une gamme donnée d'angles lorsque le capuchon est vissé à fond; et des contacts situés respectivement sur le support et sur le capuchon, qui se rapprochent l'un de l'autre lorsque le capuchon est vissé sur le support, et s'appuient l'un contre l'autre selon ladite gamme donnée d'angles, de manière à fermer le circuit d'alimentation et mettre le vibrateur sous tension. À l'autre extrémité du support est formé un support à fond cylindrique présentant un ensemble de premières et deuxièmes fentes s'étendant dans le sens de l'axe de manière à permettre le montage amovible de l'appareil sur le support. Une tige pouvant être introduite dans le support cylindrique est également prévue.
Kita Seiji
Matsui Tsuguo
Sugimoto Tomohisa
Borden Ladner Gervais Llp
Sunstar Kabushikigaisha
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