US 10,376,347 B2
Attachment for an electric toothbrush handle and method of attaching
Scott E. Hall, Issaquah, WA (US); Raviteja Senadhipathi, Eindhoven (NL); Barath Kumar Soundararajan, Coimbatore (IN); and Dharshan Manjunath, Laxmipura (IN)
Assigned to KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
Appl. No. 15/29,833
Filed by KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
PCT Filed Oct. 23, 2014, PCT No. PCT/IB2014/065562
§ 371(c)(1), (2) Date Apr. 15, 2016,
PCT Pub. No. WO2015/059660, PCT Pub. Date Apr. 30, 2015.
Claims priority of provisional application 61/895,428, filed on Oct. 25, 2013.
Prior Publication US 2016/0250010 A1, Sep. 1, 2016
Int. Cl. A61C 17/22 (2006.01)
CPC A61C 17/222 (2013.01) [A61C 17/225 (2013.01); Y10T 403/7018 (2015.01); Y10T 403/7021 (2015.01); Y10T 403/7022 (2015.01)] 13 Claims
OG exemplary drawing
 
1. An attachment mountable to an electric toothbrush handle having a drive shaft, the attachment comprising: a neck member having an elongated body with a principal axis, the neck member elongated body having a cavity extending within the neck member elongated body from a distal end of the neck member; a slide member having (i) an engagement surface and (ii) a linear displacement surface, opposite the engagement surface; and a guide sleeve member having an elongated body, the guide sleeve member elongated body having a cavity extending within the guide sleeve member elongated body from a distal end of the guide sleeve member, the guide sleeve member further having (i) a first outer surface with an engagement opening disposed inward and transverse to the guide sleeve member elongated body, and (ii) a second outer surface, opposite the first outer surface, that comprises a transition surface, wherein the slide member is adapted for moveable insertion, engagement surface first, within the engagement opening of the guide sleeve member and extendable within the guide sleeve member cavity, wherein responsive to the attachment being mounted to the drive shaft, the guide sleeve member together with the moveably inserted slide member is adapted for movement within the cavity of the neck member, and the guide sleeve member is adapted for movement within the cavity 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, such that the engagement surface of the slide member is held in frictional contact with the drive shaft to enable a transfer of at least one of force and motion from the drive shaft to the neck member, and the slide member is movable along the principal axis with respect to the guide sleeve member.