Electric skin treatment device and coupling unit for skin treatment device

Abstract

The present invention is entitled electric skin treatment device and coupling unit for skin treatment device. The present invention is related with a coupling unit for connecting a detachable blade holder to a handle component. The coupling unit comprises a frame, wherein the frame comprises at least two opposing notches that are each adapted to receive a respective engagement element of the bladeholder, and wherein the frameis provided with a U-shaped spring having two arms extending at least substantially parallel to each other in a first direction and a connecting bar connecting the arms and extending in a second direction which is at least substantially perpendicular to the first direction, wherein the respective free end of each arm resides in a recess. Each of the two arms extends across one of the notches respectively, wherein the recesses and the U-shaped spring are configured such that the two arms are elastically deflected together into the second direction when the engagement elements are inserted into the at least two opposing notches. The present invention is further related with an electric skin treatment device comprising a handle component, a coupling unit and a detachable blade holder which is releasably coupled to the handle component.

Description

technical field [0001] The invention relates to a coupling unit for connecting a detachable cartridge comprising at least one skin treatment unit to a handle part of a motorized skin treatment device. The invention also relates to an electric skin treatment device comprising a handle part with a motor, a coupling unit and a detachable cartridge releasably coupled to the handle part by means of the coupling unit. Background technique [0002] Skin treatment devices are used to meet various needs of the skin, and include hair cutting devices, skin cleansing devices, skin anti-aging treatment devices, skin massaging devices, and the like. Removable cartridges for skin treatment devices have been developed to facilitate replacement of the skin treatment unit and, in the case of hair cutting appliances, to facilitate cleaning and replacement of the blades when they become dirty, damaged or worn. The detachable cartridge is attached to the housing of the device by retaining means...

AI Technical Summary

Problems solved by technology

[0006] However, these known technological developments exhibit several disadvantages

For example, they use a large number of parts to perform the same technical functions, such as attaching / detaching and mounting the cartridge to the body of the device, which results in increased production costs due to part prices, assembly costs and controls, and logistical complexity

Furthermore, they require more installation space, which leads to a more bulky design of the head of the device, and as a result, the appearance of the device is considered less modern and less dynamic, and is therefore less popular among consumers. welcome

In addition, these developments are less flexible with respect to variability in retention forces, as they tend to be more constrained in terms of interacting part geometries

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