Surgery – Instruments – Means for removal of skin or material therefrom
Patent
1994-02-23
1995-08-15
Pellegrino, Stephen C.
Surgery
Instruments
Means for removal of skin or material therefrom
606131, A45D 2600
Patent
active
054415063
DESCRIPTION:
BRIEF SUMMARY
This invention relates to an epilating appliance for the removal of human body hair, with a casing adapted to be held in the user's hand, with a rotary cylinder including pincer elements and driven by a motor, and with at least one actuator element extending through the rotary cylinder for actuating the pincer elements coupled thereto, with the actuator element being operable by an associated pressure element and being displaceable against the pressure of a spring.
An epilating appliance of the type initially referred to is known from EP 0 328 426 A2. The rotary cylinder which is adapted to be rotated by a rotary shaft is comprised of pivotally mounted pincer blades caused to perform pivotal movements by actuating rods extending through the rotary cylinder. In diametrically opposite arrangement on the shaft are two actuating-rod units producing gripping actions on each half revolution of the rotary cylinder. Each actuating-rod unit is comprised of two relatively associated actuating rods which are acted upon at their respective ends once per revolution by a respective roller rotatably mounted on a bar fixedly disposed in the epilation head, performing reciprocating movements in opposite directions against the pressure of a common spring. The relatively associated actuating rods transmit this movement to the pincer blades which pivot towards each other in pairs, being finally pressed into contact with each other in the area of their outer edges.
The two rollers .acting on the actuating rods are secured to the epilation head at a predetermined relative distance by means of a respective bar. Because reasons of manufacture do not allow this distance to be maintained accurately, the gripping force of the pincer blades at the gripping location is subject to considerable fluctuations. When the gripping force is too high, the relatively thin hairs are pinched off, and when it too weak, the hairs are not gripped sufficiently, preventing them from being extracted from the skin. An added disadvantage is the wear occurring on both the rollers and the actuating rods in the use of the epilating appliance due to friction and material fatigue, for example.
Another epilating appliance of the type initially referred to is known from EP 0 403 315 A1. The rotary cylinder of this epilating appliance is comprised of stationary pincer elements and pivotal pincer elements operatively associated therewith. The stationary pincer elements are a component part of a rotary shaft. Two diametrically opposed actuating rods extend through the rotary cylinder for the purpose of actuating the respective row of pincer elements. A roller rotatably mounted on a bar which is fixedly disposed in the epilation head acts upon each of the actuating rods once per revolution of the rotary cylinder either directly or indirectly through the intermediary of a specially configured pivot bearing, with the return stroke of the respective actuating rod being accomplished by means of a spring acting on it at its end remote from the roller.
It is an object of the present invention to improve the plucking of hair using an epilating appliance of the aforesaid type.
According to the present invention, this object is accomplished in an epilating appliance of the type set forth above in that the gripping force of cooperating pincer elements is variable by means of an adjusting device. The solution of the present invention finds useful application in a plurality of rotary cylinders of different configurations for epilating appliances.
In a preferred embodiment of the present invention, the pincer elements of the rotary cylinder are coupled to two relatively movable actuator elements, and the relative distance of the pincer elements of the first actuator element to the pincer elements of the second actuator element is variable by means of an adjusting device acting either directly or indirectly upon at least one of the actuator elements.
The variation of the relative distance of cooperating pincer elements through the relatively movable actuator elements by means of
REFERENCES:
patent: 1923415 (1933-08-01), Bingham
patent: 5207689 (1993-05-01), Demeester
Clevet Aime
Gabion Georges
Roger Robert
Braun Aktiengesellschaft
Dawson Glenn
Pellegrino Stephen C.
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