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US 9,307,827 B2Granted
Replacement indicating workpiece
AssigneeL'oreal
InventorGerald Keith Brewer
Life of this patent
Estimating the term…
Abstract
A wear indicator is provided, which is suitable for use with a workpiece, such as a replaceable brush head. In use, the wear indicator can provide an indication to the user recommending that the workpiece be replaced.
Claims14
A workpiece for use with a motorized personal appliance, comprising:
- a body having an outer surface;
- a treatment applicator coupled to the outer surface of the body, wherein the treatment applicator is configured to apply treatment to a subject's skin;
- a wear indication member configured to move to an indicating position with respect to the treatment applicator that indicates to a user a recommendation for replacement of the skin brush head after an amount of usage of the workpiece;
- and
- a biasing member associated with the wear indication member and a wear layer, wherein the wear indication member is configured to be moved to a stowed position against a biasing force of the biasing member, wherein the wear indication member is restrained in the stowed position via the wear layer.
2 more elements
A powered treatment device, comprising:
- a powered handle having a motor;
- a skin brush head removably mounted to the powered handle and configured to be moved by the motor, wherein the skin brush head includes
- a body having an outer surface;
- a plurality of bristles that extend outwardly from the outer surface of the body, and
- a wear indicator associated with the skin brush head, the wear indicator including a wear indication member configured to move to an indicating position with respect to the plurality of bristles for indicating to a user a recommendation for replacement of the skin brush head after an amount of usage of the skin brush head, wherein the wear indicator further includes a biasing member and a wear layer, wherein the indication member is restrained in a biased position against the biasing member via the wear layer.
2 more elements
A powered treatment device, comprising:
- a powered handle having a motor;
- a skin brush head removably mounted to the powered handle and configured to be moved by the motor, wherein the skin brush head includes
- a body having an outer surface;
- a plurality of bristles that extend outwardly from the outer surface of the body, and
- a wear indicator associated with the skin brush head, the wear indicator including a wear indication member configured to move to an indicating position with respect to the plurality of bristles for indicating to a user a recommendation for replacement of the skin brush head after an amount of usage of the skin brush head, wherein the wear indicator includes a biasing member, wherein a portion of the indication member is bonded to the outer surface of the body in a biased position via an adhesive, and wherein the adhesive is configured to lose bonding strength over a preselected period of time.
2 more elements
Dependencies are inferred from the claim text.