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Accessories and methods of attachment for electric toothbrush handles

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

Inactive Publication Date: 2018-02-16
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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  • Accessories and methods of attachment for electric toothbrush handles
  • Accessories and methods of attachment for electric toothbrush handles
  • Accessories and methods of attachment for electric toothbrush handles

Examples

Experimental program
Comparison scheme
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Embodiment Construction

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

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PUM

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Abstract

The attachment 10 mountable to the handle 62 of an electric toothbrush having a drive shaft 60 includes a neck member 16 having an elongate body 40 with a main axis 42 and a cavity 44; a sliding member 12 having an engagement surface 22; having a cavity 84 with an engagement Guide sleeve member 14 of first outer surface 88 and transition surface 92 of opening 90 ; and collar member 18 . A guide sleeve member is movably inserted within the neck member cavity together with a slide member movably inserted within the engagement opening. The drive shaft is inserted into the lumen of the collar member and the lumen of the guide sleeve member from (a) a first radial position along an axis offset and parallel to the main axis to (b) collinear with the main axis via the transition surface The second radial position results in the drive shaft being held in frictional contact with the engagement surface of the slide member to enable reliable transmission 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 accessory 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 service life than the remainder of the electric toothbrush, ie the handle portion which typically includes the drive shaft, control and power components of the electric toothbrush implement. The brush head must both be easy to remove and insert onto the drive shaft of the electric toothbrush, and must also be able to reliably transfer the force of the drive shaft to the brush head with minimal loss of motion. A large 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 two results,...

Claims

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Application Information

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Patent Type & Authority Patents(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