OSCILLATING BRUSHHEAD ATTACHMENT SYSTEM FOR A PERSONAL CARE APPLIANCE

Title:

OSCILLATING BRUSHHEAD ATTACHMENT SYSTEM FOR A PERSONAL CARE APPLIANCE

Document Type and Number:

WIPO Patent Application WO2006002183

Kind Code:

A3

Abstract:

The brushhead attachment system includes a hub member (18) which is secured to a drive shaft of a personal care appliance (10) for oscillating action. The hub member (18) includes a number of spaced locking elements (68) in the form of protrusions around the periphery thereof. An annular outer brushhead portion (22) with a first group of bristles (33) includes a plurality of spaced grooves (35) in the outer surface (39) thereof which mate with extending pins (36) in the body of the appliance for insertion and removal of the outer brushhead portion (22). An inner brushhead portion (24) is configured to fit within the annular opening (28) of the outer brushhead portion (22) and includes a plurality of depending legs (56) which mate with the protrusions (68) on the drive member for resulting oscillating action of the inner brushhead portion (24) when the drive member oscillates, at least some of the legs (56) having latch elements (50)which fit onto an interior lip of the outer brushhead portion (22) in such a manner that the inner and outer brushhead portions maybe installed and removed as a unit, while permitting the inner brushhead portion (24) to be freely rotatable relative to the outer brushhead portion (22).

Inventors:

ROTH DANE M (US)
MEGINNISS STEPHEN M III (US)
PILCHER KENNETH A (US)
REISHUS RICHARD A (US)
GIULIANI DAVID (US)

Application Number:

PCT/US2005/021958

Publication Date:

December 21, 2006

Filing Date:

June 21, 2005

Export Citation:

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Assignee:

PACIFIC BIOSCIENCE LAB INC (US)

International Classes:

A46B13/02; A46B13/00; A46B13/06; A61H7/00

Foreign References:

US4203431A	1980-05-20
US6564940B2	2003-05-20
US5687442A	1997-11-18
US6021538A	2000-02-08
US4670931A	1987-06-09

Other References: