DE1177035B - Device for the detachable fastening of the shaving foil of a shaving head for a hair removal device - Google Patents

Description

FEDERAL REPUBLIC OF GERMANY

GERMAN

PATENT OFFICE

EDITORIAL

Boarding school Class: B 26 b

German KL: 69-12 / 02

Number: 1177 035

File number: N23155 Ic / 69

Filing date: May 10, 1963

Opening day: August 27, 1964

The invention relates to a device for releasably securing the shaving foil of a shaving head for a hair removal device, which has a reciprocating cutting member, which by means of spring force against which it spanning shaving foil can be pressed, the longitudinal sides of which are inside the housing are detachably arranged.

It is known to bend a shaving foil circularly and on spindles between two side plates to be arranged, these side plates are set in the device. The one from the side plates and the shaving foils in the removed state, but not sufficient rigidity.

It is also known to attach the shaving foil to the inside of a cap that can be pushed onto the device or to be attached to the outside of the device. While these two types of attachment have the disadvantage that the shaving foil is only in an area that is too small directly with the one running back and forth below it Comes into contact with the cutting member, the arrangement on the outer wall is not sufficiently smooth manufacturable. Finally, when the shaving foil is resiliently mounted, the contact area between the cutting member and the shaving foil even further when the shaving head is depressed.

The mentioned disadvantages of a device for releasably securing the shaving foil of a shaving head for a hair removal device, which has a reciprocating cutting member, which by means of spring force against which it spanning shaving foil can be pressed, the longitudinal sides of which are detachably arranged within the housing are avoided in that, according to the invention, the longitudinal sides of the shaving foil over Articulated connections, on which the film is clamped in a cantilevered manner, on a frame-like intermediate carrier are stored and the independent intermediate carrier film unit thus formed as a whole from the device and / or can be detached from protective members which may be present.

This has the advantage that the external shaving foil, due to the articulated connection and the great height over which it extends from the mounting frame, and due to its flexibility, constantly adapts exactly to the shape of the movable cutting member, even if this has a relatively large freedom of movement in the different directions, with the rigid support frame still maintaining sufficient strength of the cap-shaped body in the removed state. In this way, not only can the entire cutting surface of the cutting member be used effectively; the shaving foil also takes place in the detachable fastening device
the shaving foil of a shaving head for a
Depilatory device

Applicant:

NV Philips' Gloeilampenfabrieken, Eindhoven
(Netherlands)

Representative:

Dipl.-Ing. H. Auer, patent attorney,

Hamburg 1, Mönckebergstr. 7th

Named as inventor:

Jan Snikkers,

Gerrit Starre,

Jan de Haan, Drachten (Netherlands)

Claimed priority:

Netherlands 14 May 1962 (278 432)

any position and any degree of indentation of the movable cutting member necessary for a good shear effect most favorable location. It is also possible to keep the shaving foil deeper than when shaving known devices to be pressed, the joints cooperate favorably to the required To enable the shape of the shaving foil to be changed while maintaining a good shear effect. By the possibility of a greater indentation depth also results in a possibility that exerted when shaving Change pressure in a larger area.

The arrangement of the frame according to the invention is also simpler than by pushing it in is reached from side panels into the housing; this applies in particular to an embodiment in which the frame-shaped intermediate carrier is provided with feet arranged perpendicular to it, on which in turn cams are arranged, which when setting the intermediate carrier in the device behind an im Engage the spring attached to the device.

The device is preferably further characterized in that the frame is attached to fixed systems the device is pressed. This ensures that the frame is in a detachable but fixed position

409 658/32

3 4

takes place in the housing. The invention is i.a. thereby or 8 'provided. F i g. 3 clearly shows how these margins

particularly suitable for shaving heads with two or the 7, T, 8, 8 'together with the legs 3, 3'

several shaving foils and associated cutting elements form a partial storage for the pins 5, 5 ', while

the, in which thus several shaving foils at the same time the edges 8, 8 'also the gripping of the cap-shaped need to be supported. 5 to make the body easier to attach and remove.

In the device according to the invention find the tern. In the following it will be shown how

Fixing the frame is advantageous with wire springs by attaching the frame to the motor housing

turn, which is a U-shaped upwards-the storage is completed,

have genen part that is in the attachment state For the inner leg 4, the storage for the behind cams of arranged on the frame io pin 6 through the bent edges 9, 9 'of the

Feet. Leg together with leg 4 itself

The spring formed in this way can easily be formed. Here, however, the storage in the leg

can accommodate space and it can be completed with it, that this leg has two

if it still contains bent tongues 10, 11 on both sides of the U-shaped part, which of a bent resilient ends is provided, both 15 leaf spring 12 are surrounded by the free

a protective hood as well as, to be precise, slightly unlocking the end of the pin 6 (FIG. 3) against the leg 4

bar, the frame to be fixed. stuck. The pin 6 carries the joints of two adjacent

The invention is based on the shaving foils 2, 2 'lying one above the other in the drawing.

illustrated embodiment explained in more detail. The thin, perforated shaving foils 2,

1 shows a diagrammatic top view of the 20 2 'of the shaving head working with the cutting edges

Frame according to the invention; the movable cutter members together. the

F i g. Figure 2 shows a developed plan view of the shaving foil, e.g. B. by spot welding, on two

Shaving foil attached to two joint halves and opposite sides on brackets 13 of the joints

shows the possibility of connecting two shear fasteners. The temples consist of a narrow one foils; 25 flat plate 14 on which the shaving foil is fixed

Fig. 3 shows a along the line TII-III in and the bent ends 15, each with

Fig. 1 guided cross section through a frame. a hole 16 are provided in which the pins 5, 6

on which two shaving foils are attached; can be introduced. In this way, joints are

F i g. Figure 4 shows a diagrammatic plan view of the forms about which the brackets 13 are rotatable. Through this, Motor housing with the movable cutting members 30 that the ends of the pin 5 after attachment in the

(one of which, for the sake of a better overview, joint 13 is somewhat compressed, it cannot

is left); more can be removed, while the pin 6 is removable

F i g. Fig. 5 shows a along the line V-V in Fig. 4 remains.

guided cross-section through part of the engine When attaching to the frame 1 is first housing with the frame, the shaving foil and a joint 13 containing the pin 5 around the edge 8

Protective cover in the assembled state; hooked, after which by bending the shaving foil in

F i g. 6 shows one along the line VI-VI in FIG. 5 a curved position with respect to the other joint

Cross-section shown, in which a cover is placed on the middle leg 4 in the correct position

the protective hood is shown; becomes, after which finally, albeit the joint of the

F i g. 7 shows a side view of the spring with double foil in place, pin 6 in place.

pelter effect, which is mounted in the motor housing; is brought. This shows the task of the margins

F i g. 8 shows schematically an overview of the 8.

Effect of the spring according to FIG. 7 to fix the the joints pressed outwards. The edge 8

Frame; serves as a limitation and is further so wide that it is

F i g. 9 shows a section through a push button, 45 it is not possible to loosen the knife on this side,

which is used to unlock the frame; without removing the fixed hinge. As a result of the double

Figure 10 is a perspective view of a pelt articulation of the shaving foils each

Protective plate for the shaving head from below; Shaving foil in the direction perpendicular to the joint axis,

Fig. 11 shows diagrammatically a shaving implement, i.e. parallel to the plane of the frame, but also a shaving head according to the invention, in which the 50 is somewhat movable perpendicular to this plane, so that Protective hood according to FIG. 10 is attached, the part of the shaving foils is broken on the movable cutting way to adjust the action of the spring members can and also when shaving to point to the hood. allow one more movement.

On a frame 1 (Fig. 1) are two shear foils To attach the frame 1 with the shaving foils 2, 2 '(Fig. 2, 3) hinged. The frame 55 films 2, 2 'on the motor housing is the frame with men 1, which is made of a metal plate, ent- fixing means in the form of two perpendicular to the frame two rectangles lying next to each other. The menu level of protruding feet 17 is provided. These Long sides of the rectangles, d. H. the legs 3, 3 'are preferably located near the feet and 4 contain the joints for fastening the ends of the central leg 4 and are fixed as being fixed Shear plates. The legs 3 and 3 'are formed from identical curved parts of this leg; they are table. The legs 3, 3 'and 4 are designed with cam-like ones directed towards the center of the frame that they provide a complete storage or a partial approach 18, the siege with the engine housing form for pins 5 and 6 of the joints. solid fixing agents interact.

For this purpose, the sides of the rectangles are The fixing means consist of two wire

provided with a bent stiffening edge, 65 springs 19, which in F i g. 8 shown shape

that for the legs 3 and 3 'prove by 7 and T, respectively. Each spring 19 is between part of the

is drawn. The legs 3, 3 ′ are on the outer motor housing and a protruding wall part 20

side also with bent-over delimiting edges 8 (Fig. 4) made of metal, which is fastened to the body with screws 21

housing can be fastened, clamped. To this end the spring is provided with semicircular bent parts 22, which are guided tightly around the screws 21 and enable the spring to be clamped firmly. In the middle between the parts 22 is located a U-shaped bent part 23, the base 24 of which is on top. The whole U-shaped part with The base and legs are exposed, i.e. not wedged between the wall 20 and the motor housing. As a result, this U-shaped part can be resiliently pressed out of the plane of the spring.

When attaching the frame 1 to the motor housing, the foot 17 is between the base 24 of the Spring and the wall 20 brought. The inwardly extending edge of the cam 18 presses the base 24 inward until the tip of the cam 18 has slid over the base 24. The spring presses then against the outwardly extending edge of the cam and clamps the frame with it a horizontal edge 30 of the wall part firmly.

The wall part 20 lies in relation to the frame 1 in such a way that the short sides of the frame 1 protrude above the wall 20 and the legs 3, 3 ', 4 are supported by the edge 30. As a result, the frame 1 rests firmly against the edges 30 and, because (Fig. 6) the underside of the edges7, T are at the same level as the undersides of the pins 5, 5 ', these pins are precisely enclosed by the edge 30 and the mounting of the joints 13 in the legs 3, 3 'is completed, so that only a rotation of the pins 5, 5' about themselves is possible, while a displacement of the pins 5, 5 'is excluded.

A push button 26 acts on one of the legs 25 of the U-shaped part 23. The body 3S 27 of this push button 26 is passed through a hole in the wall part 20 and abuts with the edge a collar 28 against this wall. The collar is slit towards the front, creating two feet 29 which include the legs 25 of the spring. The part of the collar 28 on which the leg of the Spring is applied, is beveled. Thus, even if the frame 1 is not attached, it is the U-shaped part the spring is pushed out of the plane of the spring by the collar of the push button, whereby the Distance between the base 24 and the wall 20 is large enough to allow the foot 17 access. By pressing the button 26, the spring is moved further inward, whereby the attached Frame is unlocked. The movable cutting members 36, 36 ', which by means of the springs 37 against Squeezing the shaving foils push the unlocked frame up, causing the feet 17 get out of the area of the spring 19 and the frame is thus released for removal is.

The springs 19 are also located outside of the circularly curved parts 22, in the plane of the spring and in the direction of the legs bent free legs 31 are provided, each contain a laterally projecting cam 33 obtained by bending sideways.

When the frame 1 is not attached to the springs 19, the legs 31 close obtuse angles with the horizontal spring parts. When the springs between the wall parts 20 and the motor housing are clamped, the legs 31 rest on tongues 34, which from the sides of the wall part 20 are bent backwards and then again parallel to the wall. In this position extend the legs 31 perpendicular to the horizontal parts of the spring. The resilient legs 31 can perform an inward movement parallel to the wall part 20, as a result of which the cams 33 become resilient; they can thus be used to fix a protective hood 32, the inner wall of which is provided with recesses 35 for the cams 33.

11 shows diagrammatically and partially broken away, how one of the cams 33 snaps into the recess, thereby placing the protective hood on the motor housing stuck.

The device described above is not based on a frame with two shaving foils attached to it limited. If the shaving head contains a single cutting member, the frame 1 is as simple as one Rectangle formed with legs 3, 3 'which contain the joints of a single shaving foil. the Feet 17 are located on the short sides of the rectangle.

The device can also be adapted to more than two shaving units with minor modifications.

Claims (14)

Patent claims: 1. A device for releasably securing the shaving foil of a shaving head for a hair removal device, which has a reciprocating cutting member which can be pressed by means of spring force against the shaving foil spanning it, the longitudinal sides of which are detachably arranged within the housing, characterized in that the longitudinal sides of the Shaving foil (2, 2 ') via articulated connections (5, 5', 6, 13 to 16), on which the foil is clamped in a self-supporting manner, on a frame-like intermediate carrier (1) and the independent intermediate carrier foil unit thus formed as a whole can be detached from the device and / or from any protective members (32) which may be present. 2. Apparatus according to claim 1, characterized in that the frame-shaped intermediate carrier (1) is provided with feet (17) arranged perpendicular to it, on which in turn Cams (15) are arranged, which when setting the intermediate carrier in the device behind in the device snap in the attached springs (19). 3. Device according to claims 1 and 2, characterized in that in the device on both sides of the ends of the movable cutting member (36) parallel to each other and perpendicular to the Intermediate support level wall parts or support plates (20) are provided, the upper edges (30) of which serve as a solid support for the intermediate carrier (1). 4. Device according to claims 1 to 3, characterized in that the joint axes for the articulated shaving foil storage of pins (5, 5 ', 6) are formed in on the shaving foil (2) fixed bracket (13) retracted and in the attached state between the frame (1) and the fixed facilities (30) are included. 5. Device according to claims 1 to 4, characterized in that the intermediate carrier (1) consists of a frame designed as a deep-drawn part, the long side parts (8, 8 ', 9) of which are bent into downwardly open grooves (7, T) into which hinge pins (5, 5 ', 6) can be inserted. 6. Device according to claims 1 to 5, characterized in that the at their ends hinge pins (5, 5 ', 6) held by eyelets (15, 16) of the bracket (13) against longitudinal displacement by means of the eyelets are secured. 7. Device, in particular with several cutting foils lying next to one another, according to one of claims 1 to 6, characterized in that the frame (1) has one or more Has intermediate legs (4) which extend parallel to two of the longer circumferential legs (3, 3 ') extend, the shaving foils (2, 2 ') both on the peripheral legs and on the Intermediate legs are articulated. 8. Apparatus according to claim 7, characterized in that the hinge eyes (15, 16) of the on both sides of an intermediate leg (4) extending shaving foils on a common Pin (6) are arranged, which is stored in the channel-shaped curved intermediate leg and can be fixed on the leg by means of a fixing member (12). 9. Apparatus according to claim 7 or 8, characterized in that for setting the The pin (6) on the intermediate leg (4) is used by a leaf spring (12) around bent tongues (10,11) of the leg is passed around and pushes the pin into the groove. 10. Device according to claims 1 to 9, characterized in that the sideways against each other directed cams (18) of the feet attached to the frame (1) in the fastening position Reach behind the bases of U-shaped bent wire spring parts (23) attached to the housing and when attaching the intermediate support, the U-shaped parts against their spring force from the Push out the rest position. 11. The device according to claim 10, characterized characterized in that the U-shaped wire spring parts (23) are parts of the fastening springs (19), which run parallel to the fixed systems (30) for the frame (1) and of which the U-shaped bent parts (23) are bent upwards. 12. Device according to claims 10 and 11, characterized in that the Ends of the wire springs (19) extend parallel to the legs (25) of the U-shaped part (23) and are provided with cam-like, outwardly directed bends (33) which with recesses on the inside of a protective cap (32) for releasably clamping the same interact on the device. 13. Device according to claims 11 and 12, characterized in that the laterally extending parts of the springs (19) between the U-shaped part and the bent Ends are provided with loop-shaped bends, the fastening screws (21) of the device. 14. Device according to one of claims 1 to 13, characterized in that in each other opposite wall parts (20) of the device push buttons (26) are provided which have a collar (28) located between the wall part (20) and the spring (19), from which the snap fastener end (29) slit and over one of the legs (25) of a U-shaped Spring part (23) is pushed in such a way that by pressing the button (26) against the spring action the frame (1) can be unlocked. Considered publications:
German Patent No. 1,035,518;
German Auslegeschrift No. 1 048 509;
U.S. Patent No. 2,526,153. 1 sheet of drawings 409 658/32 8.64 ® Bundesdruckerei Berlin