Surgery – Instruments – Means for removal of skin or material therefrom
Patent
1996-03-21
1998-08-25
Hafer, Robert A.
Surgery
Instruments
Means for removal of skin or material therefrom
606131, A61D 106
Patent
active
057979251
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a depilating device with a multiple-shell housing, which can be held in the hand, including a motor incorporated in the housing and a gear to drive a rotary cylinder, with the rotary cylinder being preferably arranged in a housing part adapted to be uncoupled from the housing.
The present invention is based on a depilating device disclosed in international publication No. WO 93/04606 for removing hair from human body skin, including a housing, which can be hand held by a user, a rotary cylinder that is driven by a motor and has pinching elements, and at least one actuating element, extending through the rotary cylinder, to actuate the pinching elements coupled to the actuating element. In this arrangement, the actuating element is operable by a pressure element associated with the actuating element and is movable in opposition to the pressure of a spring, and a means is provided to adjust the pinching force of the pinching elements. This device shows a housing having a housing bottom part and a housing top part (depilator head). A battery, a motor, and a gear to drive a rotary cylinder are rigidly mounted in the housing bottom part. The depilator head is detachably coupled to the housing bottom part for cleaning purposes.
This known depilating device as disclosed in WO 93/04606 includes a plastic housing in which the mechanical component parts such as motor, gear and rotary cylinder, in the capacity of single component parts, are directly mounted in the housing. In this arrangement, operating noises, for example, produced by the mechanically operated component parts in the device are transmitted to the housing without being absorbed. Thus, they are felt as disturbing by the user. Further, it should be noted with respect to this device that vibrations acting on the device from the outside are transmitted unabsorbed to the mechanical and electrical component parts in the housing. The result is that damage to the mounted parts caused by vibrations cannot be avoided.
An object of the present invention is to provide a depilating device which permits effectively uncoupling the noises and mechanical vibrations produced by the mounted parts from the housing of the device. Another objective is achieving a mechanical vibration absorption of the mounted parts, thereby preventing vibrations, acting on the device from the outside, from being transmitted unabsorbed to the mounted parts. Still another objective is achieving a depilating device which can be manufactured less costly with respect to the assembly and is easier to handle, for example, when cleaned by the user.
This object is achieved by the present invention in that mechanically operated component parts, especially motor, gear, and rotary cylinder including the housing part in which it is incorporated, form an assembly unit retained in the housing. Vibration absorbing elements are provided at the points of connection between the assembly unit and the housing.
It is achieved by this arrangement that the depilating device mainly comprises two assembly units, i.e., the unit of the mechanically operated parts and the housing formed of a plurality of shells. Advantageously, this permits effectively uncoupling the mechanical parts from the housing. The noises produced in the housing are reduced by the vibration absorbing elements provided between the assembly unit of the mechanically operated component parts and the housing.
In a preferred embodiment of the assembly unit including the mechanically operated component parts, the motor and the gear are rigidly interconnected. A drive unit is provided thereby which, favourably, can be fitted easily into a housing shell. The so preassembled motor-and-gear unit permits a major simplification of the housing assembly.
In another embodiment of the present invention, the housing part accommodating the rotary cylinder is detachably coupled to the gear. To this end, the rotary cylinder can be preassembled in an open carrier member or in a closed housing. This housing part is connected to the ge
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Braun Aktiengesellschaft
Hafer Robert A.
Yu Justine R.
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