IL48625A - Hair plucking device - Google Patents

Description

f DEVICE The present relates to a device for mainly for cosmetic for removing the hair off No mechanical analogous to the well known electric is presently known for this 1 According to the invention the device comprises a helical compact wire wound member defining a substantially smooth external surface for the close engagement with the means for alternately extending said member so that said windings become spaced from each other and then one against the and means for imparting movement to said surface relative to the The helical member may be constituted by a spiral sion steel wire spring of or prismatic wire mounted on a bar and fixed at one end thereof to one end of the the other end of the bar forming a follower of a motor cam or mounted The assembly may be si ultanously rotatable by the same the arrangement being such that a hair clamped between adjacent windings during the of the spring will be instantantiously plucked due to the said rotation the spring over the treated Further features of construction will be apparent from the ensuing description of a few selected preferred embodiments of the given below by way of example only with reference to the attached in Figure 1 is a elevation of the device according to the present Figure 2 is a plan of the device shown in fig is a along line of fig 2 Figure 4 is a representation of the spring and bar assembly in various deflection phases of the Figure is a development of cam contour shown in relation to the deflection of the spring of fig 4 as a function of the cam rotation Figure 6 an arrangement for a connection between the spring and the and Figure 7 is another embodiment of device ding to the present n fig the housing of the hair plucking device comprises a handle section 1 used also for enclosing the electric motor motor 2 is though the V belt or any other transmission to the cam support member The cam 5 represents an inclined surface preferably with a hardened peripheral section where two bars 7 and 8 are slidingly engaged by their tips 7 and 8 as will be explained The cam 5 is keyed as shown to the shaft 9 which is i tatably mounted on bearings 10 and 11 provided at the bridge section 12 and at the side wall 13 of the Also secured to and rotatable with the shaft is a gear wheel 14 which meshes with a pair of geers Gears 15 and 16 are fixedly connected to the slide bearings 17 to drive the being such that the bars 7 8 may slidably and rotatably guided within the following the curvature of the cam track as well as the rotational movement of the gears bearings 17 18 as will be explained the bars may not be rotatable but still adapted to be operated by the cam As more clearly seen in fig 4 the bar 7 the same applies to bar 8 extends within a spring 19 preferably made of steel wire and having a This wire configuration may be achieved by grinding off the outer half of a common round wire The extreme winding 1 of the spring 19 is so bent to form an extension that fits into a groove 17 of the bearing 19 of the spring is fastened to the bar 7 by inserting the twisted end of the wire into a suitable bore 7 it be according to a modified embodiment of this that only the spring will rotate together with the bearing 17 while the bar 7 the the arrangement of fig 6 may be As the end winding 19 is bent and fastened to the outer ring 20 of a ball the inner ring 21 being secured to the bar 7 at a location corresponding to the closed position of the Referring back to figs 1 and 2 the housing further rises a flat back plate 22 bent over as shown and sing the cross member which accomodates the bearings 24 25 for the free ends of bars 7 and 8 These bearings provide alignment and support for the ially when performing both linear and rotational The operation of the device is as in the position shown in fig 2 bar 8 is in the extreme inward position thereof the compression spring 20 is free from any external and the windings are This state is represented in figs 4 and as phases and ne where the cam amplitude is Bar 7 is at the same time at the pick ding to Amplitude space formed between adjacent windings of the spring when the motor 2 starts to say at the cam 5 driven by wheel is larger than the driving will rotate say 200 which means that the reciprocal movement of the bars 7 and 8 will be 200 strokes per minute gear 14 will rotated at the same speed of 200 transmitting an increased speed of the ratio is 2 1 J 400 to the gears and 16 via the bearings 17 18 to the springs and Should the springs be coupled to the bars as in figs and then the bars will rotate together with their associated if the arrangement of fig 6 should be employed together with some ional rotation blocking means such as formin the and related of a square of hexogonal or any similar arrangement as known in the then the bars will not rotate but only follow the ture of the the said curvature will b e so designed fig 5 that between the gradually opening and closing of the it will be ained open for about a of the whole cycle in the above illustrated to about In the device is hold by hand through the handle and the exposed sections are rubbed against the hair would necessarily project into the open spaces towards the end of the closing phase be clamped between adjacent the springs rotate at f high percipheral the gripped hair will abruptly be plucked and while still assuring minimum pain to be suffered by the 7 illustrates a modified driving mechanism for ing the bars 7 8 it be emphasized that a large variety of equivalent arrangements may be applied for the purpose in such as pinion Geneva ratchet or friction toggle electric pneumatic cylinders and many other devices known in the n 7 the same reference members have been used for denoting or related parts previously The motor 2 is coupled intemediate the conical gear wheels 30 and 31 to the shaft 32 suitably supported by bearings 33 coupled to the motor is the train and for rotating the slide bearings 18 as described in connection with the former embodiment of the present The gear 14 is mounted on the shaft 9 which is driven by the conical gear Un the shaft 32 there are provided a pair of eccentrically mounted discs The disc is rotated by with respect to the disc 37 for the alternated operation of the bars 7 and 8 this feature of The contours of the operating with the ball points of the bars may again be so designed to lish the desireble mode of operation represented in figs 4 and all other respects the functioning of the hair plucking device is similar to that described in conjunction with the former embodiment of the present Having now described in particular the main constructional features and advantages of the present it would be readily appreciated by those skilled in the art that many variations and modifications may be applied with respect to the illustrated without departing from the spirit and scope thereof as defined in the appended The section of the spring wire may be triangular or rather than any given number of springs assemblies may be comprised in a single and operated by one and the same The rotational movement of the may be substituted by oscillation or vibration movements of either the springs the housing as a whole insufficientOCRQuality

Claims (1)

1. - 8 - C L A I M S 1. A device for skin-hair plucking, comprising a helical compact wire wound member defining a substantially smooth external- surface for the close engagement with the skin, means for alternately extending said member so that said windings become spaced from each other and then re-closing one against the other, and means for imparting movement to said surface relative to the skin, 2. The device of claim 1, said member being a normally closed spiral spring formed of semi-circular cross- section wire. 3. The device of claim 2, said spring being formed of prismatic cross-section wire. 4. The device of claims 1,2 or 3 comprising a housing, a bar extending within said spring and fixed at one end thereof to one end of said spring, the other end of said spring being held fixed relative to said housing, a driving mechanism being provided within said housing to impart reciprocating movement to said bar. 3. The device of claim 4, said driving mechanism comprising a rotatable cam driven by an electric motor, the other end of said bar constituting the follower of said cam. 9 - 6. The device of claim 4, said driving mechanism comprising a rotatable eccentrically mounted disc. driven by an electric motor, the other end of said bar constituting the follower of said disc 7o The device of -claims 5 or 6 further comprising transmission means for rotating the said spring by said motor. 8. The device of claim 7 wherein the bar is coupled to ' said spring intermediate a free-running device for allowing the rotation of the spring relative to said bar. ; i 9. The device of claim 8 wherein said one end of the said spring is fixed to a guide member for slidably supporting said bar, the guide member being rotatably supported by said housing and adapted to be driven by said transmission means 10o The device of claim 9 as depended on claim wherein said transmission means comprise a gear train between said cam and said guide member. ; 11. The device of claim 9 as dependent on claim 6 wherein said transmission means comprise a gear train between said disc and said guide member. 12. The device of any of the preceding claims including a plurality of said spring-and-bar assemblies. - 10 13. A device for skin hair plucking substantially as hereinbefore described with reference to the accompanying drawings. ( For the Applicants DANIEL FRE JA N, Advocate