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Housing interlock for an electric toothbrush having a housing and an electric toothbrush

A technology for electric toothbrushes and interlocking parts, which can be applied to electric components, household appliances, electrical components, etc., and can solve problems such as vibration isolation

Active Publication Date: 2018-11-16
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the motor is the main vibration generating mechanism in the system, and the invention innovatively solves the problem of vibration isolation

Method used

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  • Housing interlock for an electric toothbrush having a housing and an electric toothbrush
  • Housing interlock for an electric toothbrush having a housing and an electric toothbrush
  • Housing interlock for an electric toothbrush having a housing and an electric toothbrush

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Embodiment Construction

[0016] figure 1 The components used in the electric toothbrush 10 of the present invention are illustrated. Most of the components of electric toothbrush 10 are contained within elongated housing 20, which is preferably sized to fit comfortably in a human hand. Housing 20, which is preferably rigid and lightweight plastic, protects and seals the internal components from shock and water intrusion. The housing 20 includes an opening at the distal end from which the distal end of the drive shaft 60 protrudes through a gasket 30 that prevents fluid from flowing into the housing 20 . A toothbrush head can be secured to the distal end of the drive shaft. Housing 20 also has an opening at the proximal end configured to receive end cap 120 . A gasket 130 in a groove on the end cap 120 prevents fluid from flowing into the housing 20 . The driving mechanism 50 is nested in the housing. The proximal end of drive shaft 60 is connected to a drive mechanism for providing motion to the ...

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PUM

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Abstract

A housing interlock (90) for an electric toothbrush (10) configured to improve the durability of the toothbrush and simplify the assembly process. Housing interlocks (90) provide tolerance relief and impact protection, and housing interlock tabs (95) are also provided so that the housing interlocks can secure the assembly within the housing.

Description

technical field [0001] Aspects of the invention generally relate to motor-driven electric toothbrushes. More specifically, the present invention relates to toothbrush features that facilitate greater durability and vibration control delivered to the user through the toothbrush handle while facilitating the manufacture of the assembly. Background technique [0002] Electric toothbrushes are generally known and include a wide variety of designs and physical arrangements. Many electric toothbrushes have a rotary motion. Some electric toothbrushes have the ability to rotate the armature through 360°, but due to design arrangements, produce an oscillatory motion that is limited to a specific range of motion (ie, a selected arc portion of 360°) to provide a more suitable brushing effect. Some of these rotary motion devices are mechanically driven, while others are resonant systems involving a movable mass such as a brush head structure and a spring attached to the handle. Vario...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61C17/22H01M50/247
CPCA61C17/225A61C17/34A61C2204/002H01M50/247Y02E60/10A46B13/02A61C17/22Y10S15/01H02K7/145H02K5/24A61C17/224
Inventor H·富格尔T·J·盖特纳B·巴赫曼
Owner KONINKLJIJKE PHILIPS NV