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Attachment for an electric toothbrush handle and method of attaching

A technology for electric toothbrushes and accessories, which is applied in connection, circuit, dentistry, etc., and can solve problems such as short service life

Inactive Publication Date: 2016-06-15
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The brush head portion of an electrically powered toothbrush typically has a much shorter service life than the remainder of the electric toothbrush, i.e. the handle portion which typically includes the drive shaft, control and power components of the electric toothbrush implement

Method used

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  • Attachment for an electric toothbrush handle and method of attaching
  • Attachment for an electric toothbrush handle and method of attaching
  • Attachment for an electric toothbrush handle and method of attaching

Examples

Experimental program
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Embodiment Construction

[0022] Embodiments of the present disclosure and its various features and advantageous details will be described more fully with reference to the non-limiting examples described and / or illustrated in the accompanying drawings and detailed in the following description. It should be noted that the features illustrated in the figures are not necessarily drawn to scale and that features of one embodiment may be employed with other embodiments, as those skilled in the art will recognize, even if not explicitly stated herein. Descriptions of well-known components and processing techniques may be omitted so as not to unnecessarily obscure the embodiments of the present disclosure. The examples used herein are merely intended to facilitate an understanding of the manner in which embodiments of the present disclosure may be practiced and to further enable those skilled in the art to practice the embodiments. Therefore, the examples herein should not be construed to limit the scope of t...

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PUM

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Abstract

An attachment 10 mountable to an electric toothbrush handle 62 having a drive shaft 60 comprises a neck member 16 having an elongated body 40 with a principal axis 42 and a cavity 44; a slide member 12 with an engagement surface 22; a guide sleeve member 14 having a cavity 84, a first outer surface 88 with an engagement opening 90, and a transition surface 92; and a collar member 18. The guide sleeve member,with slide member moveably inserted within the engagement opening, is moveably inserted within the neck member cavity. Insertion of the drive shaft into cavities of the collar member and guide sleeve member from (a) a first radial position along an axis offset and parallel to the principal axis to (b) a second radial position in-line with the principal axis, via the transition surface, results in the drive shaft being held in frictional contact with the engagement surface of the slide member to enable reliable transfer of force / motion from the drive shaft to the neck member.

Description

technical field [0001] The present embodiments relate generally to electric toothbrushes and more particularly to attachments or brush head assemblies and methods of attachment for electric toothbrush handles having drive shafts. Background technique [0002] The brush head portion of an electrically powered toothbrush typically has a much shorter useful life than the remainder of the powered toothbrush, ie, the handle portion that typically includes the drive shaft, control and power components of the powered toothbrush appliance. The brush head must both facilitate removal and insertion onto the drive shaft of the electric toothbrush, and must also be able to reliably transmit the force of the drive shaft to the brush head with minimal loss of motion. A number of different structural arrangements have been used to achieve these two different and somewhat conflicting requirements. In most cases, the brush head simply has a single configuration that achieves both results, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61C17/22
CPCA61C17/225Y10T403/7022Y10T403/7018Y10T403/7021A61C17/222
Inventor S·E·霍尔R·塞纳德希帕希B·K·索恩达拉拉简D·曼朱纳斯
Owner KONINKLJIJKE PHILIPS NV