Structure for Coupling Toothbrush Head to Electric Toothbrush Handle
AssigneeOralic Supplies, Inc.
InventorXin Zhou
Life of this patent
Estimating the term…
Abstract
This document also discloses a toothbrush head for an electric toothbrush. The head includes a base having an opening for receiving a drive shaft of an electric toothbrush. The head also includes a coupling member having a cylindrical sidewall that surrounds a cavity for receiving the drive shaft. The coupling member is disposed within the base and there is a gap between a bottom surface of the base and a bottom surface of the coupling member.
Claims21
-20. (canceled)
A toothbrush head for an electric toothbrush, the toothbrush head comprising:
- a bristle tray;
- a plurality of bristles attached to the bristle tray;
- a stem extending from the bristle tray and having an opening for receiving a drive shaft of the electric toothbrush;
- and
- a coupling member disposed within the stem, wherein the coupling member comprises a cylindrical sidewall that surrounds a cavity for receiving the drive shaft;
- wherein:
- the coupling member is disposed within the base and there is a gap between a bottom surface of the stem and a bottom surface of the coupling member;
- the coupling member does not extend outside of the base;
- and
- the cylindrical sidewall is a closed sidewall such that there are no openings through the sidewall into the cavity.
A toothbrush head for an electric toothbrush, the toothbrush head comprising:
- a bristle tray;
- a plurality of bristles attached to the bristle tray;
- a stem extending from the bristle tray having an opening for receiving a drive shaft of the electric toothbrush;
- and
- a coupling member disposed within the stem, wherein the coupling member comprises a cylindrical sidewall that surrounds a cavity for receiving the drive shaft and a plurality of teeth disposed on an inside surface of the cylindrical sidewall, the teeth extending into the cavity along a longitudinal axis of the coupling member and configured to engage the driveshaft;
- and
- wherein:
- the coupling member is disposed within the base and there is a gap between a bottom surface of the stem and a bottom surface of the coupling member;
- and
- the coupling member does not extend outside of the base.
A electric toothbrush comprising:
- a toothbrush handle comprising a drive shaft;
- a toothbrush head comprising:
- a stem having an opening for receiving a drive shaft of an electric toothbrush;
- and
- a coupling member disposed within the stem, wherein the coupling member comprises a cylindrical sidewall that surrounds a cavity for receiving the drive shaft;
- wherein:
- the coupling member is disposed within the base and there is a gap between a bottom surface of the stem and a bottom surface of the coupling member;
- and
- the coupling member does not extend outside of the base.
Dependencies are inferred from the claim text.