Electric hair trimmer

Patent metadata

Field	Value
Publication number	US-9266245-B2
Application number	US-201313739528-A
Country	US
Kind code	B2
Filing date	Jan 11, 2013
Priority date	Jan 12, 2012
Publication date	Feb 23, 2016
Grant date	Feb 23, 2016

Abstract

An electric hair trimmer generally includes a handle, a drive system, and a cutter head. The cutter head includes a stationary blade and a movable blade, and the cutter head is releasably connectable to the handle in operative connection with the drive system. The handle is configured for ejecting the cutter head.

First claim

What is claimed is:

1. An electric hair trimmer comprising:
a handle having a longitudinal axis;
a drive system;
a cutter head comprising a stationary blade and a movable blade, the cutter head being releasably connectable to the handle in operative connection with the drive system, said cutter head being slidable onto and off of the handle in a direction oblique to the longitudinal axis of the handle;
a slide that is displaceable relative to the handle to initiate ejection of the cutter head from the handle along said slidable direction of the cutter head; and
a resilient member facilitating ejection of the cutter head from the handle in the slidable direction of the cutter head.

2. The electric hair trimmer set forth in claim 1 wherein the cutter head further comprises:
a follower connected to the movable blade, wherein said follower is configured to be operatively connected to the drive system for oscillating the movable blade via the drive system; and
a tongue configured to provide clearance for the follower when the cutter head is ejected along said slidable direction obliquely relative to the longitudinal axis.

3. The electric hair trimmer set forth in claim 2 wherein the handle comprises a neck configured with an aperture that provides clearance for the follower when the cutter head is ejected obliquely relative to the longitudinal axis of the handle.

4. The electric hair trimmer set forth in claim 1 wherein the handle comprises said resilient member that is in the form of a spring, the slide being displaceable against the bias of the spring to initiate ejecting the cutter head.

5. The electric hair trimmer set forth in claim 1 wherein the handle further comprises a retaining recess, the cutter head further comprising a clip configured for insertion into the retaining recess upon sliding the cutter head onto the handle for releasable connection to the handle, and removal from the retaining recess when the cutter head is ejected from the handle.

6. The electric hair trimmer set forth in claim 5 wherein the clip is resiliently flexible to further facilitate ejecting the cutter head from the handle along the slidable direction of the cutter head.

7. The electric hair trimmer set forth in claim 6 wherein the handle comprises a channel having the retaining recess, the clip configured to slide along the channel for insertion into the retaining recess during connection of the cutter head to the handle.

8. The electric hair trimmer set forth in claim 1 wherein the cutter head extends forward from the handle for cutting hair.

Assignees

• Rovcal Llc
• Spectrum Brands Inc

Inventors

• Kammer Carl Gottfried
• Johnson Andrew David

Classifications

• B26B19/3846

  Blades; Cutters (B26B19/044, B26B19/141 take precedence) · CPC title

• B65D75/36

  one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages {, the recess or recesses being preformed (B65D73/0057, B65D73/0092 take precedence)} · CPC title

• B26B19/386

  Means for attaching the head thereto · CPC title

• B26B19/12 Primary

  of the oscillating- cutter type; Cutting heads therefor; Cutters therefor (B26B19/04 takes precedence) · CPC title

• B26B19/38 Primary

  Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards (cutters, cutting heads B26B19/04, B26B19/12, B26B19/14; cleaning or disinfecting devices A45D27/46; drying devices A45D27/48; casings for electric apparatus in general H05K) · CPC title