DE3113337A1 - Index wheel for labelling devices - Google Patents

Abstract

An index wheel for inscription machines having a multiplicity of type wheels mounted so as to rotate coaxially adjacent to one another, each type wheel being provided on its circumference with a multiplicity of in each case type-carrying webs and having on the external circumference a multiplicity of engaging grooves which are constructed in each case between two adjacent webs. The index wheel can be brought into engagement with each of said type wheels in such a manner that the type wheels are offset in rotation when the index wheel is rotated manually by means of a selector shaft and a selector button. The index wheel comprises an annular body and a multiplicity of teeth which are constructed in the outer circumference of the annular body and are at a distance from one another in the circumferential direction such that they can engage with the engaging grooves provided in the type wheels. Furthermore, a multiplicity of index characters is provided which are arranged in each case on the outer circumference of the annular body between two adjacent teeth and are formed by means of an inscription method, including hot stamping.

Description

PAT E N TAM ytf Ä.LLT E

REPRESENTATIVE BEFORE THÜ
EUROPEAN PATENT OFFICE

G-

A. GRUNECKER

DPL -iNG

H. KINKELDEY

DfI-ING

W. STOCKMAIR

Oa-TNG ■ AbE (CALTECrti

K. SCHUMANN

DRREFtNAT CKPU-PHYS

P. H. JAKOB G. BEZOUD

DFl RHR MAT PPLCHEM

Katmshiki Kaisha Sato

15-5> 1-chome, Shibuya,

Shibuya-ku,

Tokyo

Japan

8 MUNICH 22

MAXIMILIANSTRASS = 4.3

P 16 079

April 2, 1981

Index wheel for labeling devices

TELEPHONE (O8D) QS SO GS TELEX OS-S0 3SO TELEGRAMS MONAPTH

TiELEIFAX

description

The invention relates to a labeling device for portable devices for labeling (printing) and attaching labels (hereinafter referred to as "Hand-held labeling device") and refers in particular to improvements to an index wheel, which is intended for use in the labeling device of the type specified above is.

In general, labeling devices of this type fall into two groups, namely the type wheel group and the type band group. In the first-mentioned group of type wheels, a large number of type wheels are coaxial rotatably mounted next to one another and a corresponding number of index wheels are also coaxially next to one another stored, which latter are movable into engagement with the respective associated type wheels, so that each a type wheel can be set in rotation by an index wheel if that of the by means of a selection button via a Selector shaft is set in rotation by hand. These index wheels are equipped with index letters and usually molded as a whole from plastics. Since there are numerous shapes for the index wheels with different This construction leads to arrangements and correlations of index letters to the disadvantage of a considerably high production cost. With a view to production costs, a different technique will be used used in which the index letters are not molded, such as by injection molding or die casting, but printed on the outer circumference of an inner index wheel part and loaded with an outer index wheel part

be covered, which has teeth on its outer periphery and is made of transparent plastic. Since the index letters in this type of construction have to be read through the outer index wheel part, they can be impaired or even doubled, so that it is often difficult to read. so the '' ■ X ¹ V "? 'will'Z'V~" rjS0V. '.'. l: ^ ~ ^L:. * ■ '.'- -' .. -. ·. ΐ <? Π.β: Γ ~ -PC. * ?. T "Z? F or?! C? .T or

bubbles remain trapped in the outer index wheel part back, which also makes the index letters difficult to read.

Against this background described above, the invention thus pursues the goal of a labeling device to create a specific index wheel, which contains clearly legible index marks and with cheap Manufacturing costs can be achieved.

In the device according to the invention, there are index letters formed on the outer circumference of the index wheel with the aid of a printing process.

In the case of the index wheel according to the invention for use in a marking device which has a plurality of type wheels rotatably mounted coaxially next to one another, each type wheel is provided on its outer circumference with a plurality of webs each carrying types and in its outer circumference with a plurality of engaging grooves, which are each provided between two adjacent webs are formed. This index wheel is capable of engaging with each of these character wheels so that they are rotated. _T The character wheel comprises: an annular body; a variety of on the outer circumference

BATH ORIGINAL

this annular body formed and in the Urafangsrichtung teeth removed from adjacent teeth so as to align with those formed in each of the type wheels Engagement grooves can engage; and a plurality of each arranged on the outer circumference of the annular body between two adjacent teeth Index letters, according to the invention these Index letters or characters by means of a printing process including hot stamping are trained.

According to a further feature of the invention is an index wheel for a printing device created, which a plurality of coaxially rotatably mounted next to each other Contains type wheels, and each type wheel on its own Outer circumference with a large number of each type of supporting webs and in its outer circumference with a large number is provided by engaging grooves which are each formed between two adjacent webs. This index wheel is able to intervene in each of the type wheels in such a way that they are set in rotation. It contains: a Gear part with a plurality of formed on its outer circumference and spaced in the circumferential direction Teeth with two adjacent teeth spaced from each other so that they fit into the engaging grooves of the type wheels be able to intervene; one with a printed mark provided wheel part, which has a plurality of webs, some of which are the outer circumference of the printed Wheel part marked with characters -. And in Circumferentially spaced from each other, which is the root of each tooth of the gear part is equivalent to. This index wheel also includes a variety of index letters or characters, each

- ίο -

are arranged on the webs and in a printing process including hot stamping are trained. There are also holding devices on the index wheel for holding the gearwheel part and that are printed with it Marked wheel portion in a side-by-side arrangement in a unitary index wheel structure such as that the webs of the wheel part provided with printed characters in the spaces between the teeth of the gear part are fitted.

Further features, advantages and details of the invention emerge from the following description of an exemplary embodiment with reference to the drawing. In this shows:

1 shows a longitudinal section through a printing device with conventional index wheels,

Fig. 2 is a plan view of another example of a conventional one Index wheel,

Pig. Fig. 3 (A) is a perspective correlation view the parts forming an index wheel according to the invention,

3 (B) shows a longitudinal section through the index wheel according to FIGS. 3 (A) ₅ and

Fig. 4- is a perspective view of the one uniform structure of assembled index wheel.

Before describing the invention in detail, let us consider the two conventional index wheels mentioned above briefly discussed with reference to FIGS. 1 and 2.

In the first type wheel printing device according to FIG are coaxially and rotatably mounted next to each other a number of index wheels 3, each on their Provided the outer circumferences with a large number of teeth 4 which cooperate with engaging grooves (2) which are formed in a plurality of type wheels 1, which are coaxially rotatably mounted next to each other. Any index wheel you want from the multitude of index wheels is selected with the help of a selector shaft 5 and set in rotation, which at one end with a selection button (not shown) and is provided at its other end with a selection gear 5a so that the selected index letter 6 is brought into a position immediately below an opening 7, which in the top surface of the labeler is trained. This sets the type wheel meshing with the selected index wheel 3 in rotation, so that one of the above-mentioned desired index letter corresponding type 8 is brought into a predetermined printing position.

As shown in Fig. 2, a printed character index wheel 3a according to a second is conventional Design constructed so that a toothed outer index wheel part 10 is made of transparent plastic and densely printed on the outside surface of one with Character provided inner index wheel part 9 is fitted, the outer circumference of which previously by means of a suitable Procedure is provided with index letters 6a.

The invention is described in more detail below with reference to FIGS. 3 and 4, one embodiment represent the invention. As best seen in Figures 3 (A) and 3 (B), there is each index wheel 11 from a toothed wheel part 12 and a printed one

Wheel part 13, both had parts made of a synthetic resin, like a polycarbonate.

The paid wheel part 12 consists of an annular body 14 and a plurality of teeth 15 _? which are integrally formed with the outer circumference of the body 14 ·. This body 14 is half as thick as the teeth (in the axial direction) and is formed in one piece on one side halves of the roots of the teeth 15. In addition, the side of the annular body 14, that is, the side to be engaged with the above-mentioned printed wheel part 13, is provided with three fixing pins 16. On the other hand, the center of the annular body 14 is provided with a central opening 18a (center hole half), which has internal toothing 17a distributed over its circumference, the plurality of teeth with the selector gear 5a (Fig. 1) of the selector shaft 5 already mentioned ±> intervention can be brought.

The wheel part 13 provided with printed characters is made from an annular body 19, the diameter of which is equal to the diameter of the aforementioned annular Body 14 is, as well as a plurality of sight bars 20, which are formed integrally with the ring body over the entire outer circumference of the annular body 19 are distributed. These visible webs 20 are shaped so that they have a thickness (in the axial direction) substantially equal to the thickness of that previously mentioned Teeth is and such that they have a circumferential length which is substantially equal to the length of the Distances 23 are each between two adjacent roots of teeth 15 in the aforementioned ai gear part 12 is. On the other hand, the annular body 19 has a thickness which is substantially half as large

is like the thickness of the visible webs 20, the annular Body 19 is integrally formed on one side half of the roots of the visible webs 20. aside from that the annular body 19 is provided with three mounting holes 21, the location of which is the Retaining pins 16 are adapted, which are provided on the annular body 14 of the aforementioned gear part 12 are. In addition, the central area of the annular body 19 is provided with a central opening 18b (center hole half), which in turn has an internal toothing section 17b is formed similar to the central opening 18a of the aforementioned annular Body 14. This internal toothing 17b includes a plurality of teeth which can be brought into engagement with the selector gear 5a of the selector shaft 5.

The outer surfaces of the aforementioned visible webs 20 are each made with the aid of a suitable printing process with index marks 22, such as numbers or symbols, printed. Hot stamping (hot stamping), in which heated types are applied by a metal foil or a pigment on the outer Surfaces of the aforementioned visible webs 20 are printed.

The gear part 12 and the printed character having the wheel part 15 having the constructions described above are linked together, as in Pig. 4 shown, after which the index wheel 11 to be produced is ready. If the fasteners 16 of the toothed wheel part 12 are each printed in the fastening openings 21 in the Character having wheel part 15 introduced until the mutually facing sides of the two parts 14 and are brought into intimate contact with each other, then the wheel parts 14 and 19 are assembled so that the sight bars 20 of the wheel part 15 well into the spaces 25

-In between the teeth 15 of the toothed wheel part 12 fitted are. The relationship between the two wheel parts 12 and 13 can be achieved by heating and with each other Merging can be increased. The thus finished index wheel 11 is, as best, from Pig. 4, constructed in such a way that the numerous teeth 15 protrude from the entire circumference, so that the index marks 22 can be seen on the outer circumference between these teeth 15. According to Fig. 4 has the index wheel 11 has a central opening 18, which of the openings 18a and 18b of the two wheel components 12 and 13 defining annular bodies is limited. The inner circumference of this central opening 18 is through defines an internal thread 17 which is composed of the above-described internal thread portions 17a and 17b is.

It should be underlined that the invention is not described on the embodiment described above, in which the index wheel 11 by assembling the tracked wheel part 12 and the with printed characters provided wheel part 13 is formed. The invention includes all index rings whose outer circumference with means a printing process produced index marks is covered, regardless of the respective production method. For example, the invention can be modified in that only the teeth are formed on the wheel whose outer circumference has previously been printed with the index marks. Another execution forai the invention provides that the index wheel is first formed as a whole and then between the respective Teeth on the outer circumference is imprinted with index marks.

As described above, the index wheel is the Labeling device according to the invention constructed in such a way that

that it has a A plurality of teeth is provided which can engage in the engagement grooves on a Variety of type wheels are formed. Furthermore, the index wheel is designed so that it is on his Outer circumference between these grooves carries index marks, which are made by means of a lettering or embossing process including the hot-stamping process process).

The index wheel according to the invention has the advantages that the index characters can be read clearly can, which allows the type selection to be carried out more quickly and accurately, while also reducing the manufacturing costs are reduced because the index characters are not created by a shaping process, but by a lettering or embossing process are formed.

Claims (8)

Patent to sayings 1J index wheel for a variety of coaxial side by side Labeling with visible bearing type wheels set up, each on its outer circumference with a plurality of webs each having types is provided and also one in its outer circumference Having a plurality of engagement grooves which are each formed between two adjacent webs, wherein each of the type wheels can be set in rotation by engagement with the index wheel, characterized by an annular body (14- / 19) * a multitude of teeth (15) formed on the outer circumference of this annular body »those in the circumferential direction as follows are spaced so that they can be brought into engagement with the engagement grooves of each of the type wheels, and by a Variety of each on the outer circumference of the annular Body between two adjacent teeth arranged index marks (22), these index marks by an inscription process including hot stamping are formed. 2. index wheel according to claim 1, characterized in that that the annular body (14/19) has a central opening (18) and internal teeth (17) which delimits the central opening of the annular body. 3 · Index wheel for a large number of coaxially side-by-side rotatable type wheels with lettering devices, each at its outer scope with a variety of each type of load-bearing Is provided webs, and in its outer circumference has a plurality of engaging grooves, each arranged between two "adjacent webs are, and Xtfobei this index wheel with each of the type wheels can be brought into engagement to drive the type wheels, characterized by a with Wheel part (12) provided with teeth (15), these teeth being arranged on the outer circumference of this wheel part and direction are spaced from each other such that they engage with the engaging grooves of the type wheels be able to step a printed character having wheel part (13) »which has a plurality of partially the outer circumference of this Webs (20) which form the wheel part (12) and are arranged at a distance from one another in the circumferential direction, which is equal to the dimension of the root of each tooth (in the circumferential direction) of the toothed wheel part (12), and with a plurality of index characters (23), which are each arranged on these webs and with the help of a Labeling process including hot stamping are designed, and by fastening means (16, 21) for connecting together the toothed Rpdteils (12) and the printed Wheel part (13) having characters in a side-by-side arrangement to form a uniform index wheel (11), such that the webs of the printed characters having wheel part (13) in the distances between the teeth (15) of the toothed wheel part (12) are added. 4. index wheel according to claim 3 »thereby g e k e η nz e i ch η e t that the teeth (15) of the toothed wheel partly (12) each have a thickness which is essentially twice as large as the thickness of the toothed wheel part and that this toothed wheel part also has a central opening provided with an internal thread (17a) (18a). 5 index wheel according to claim 4, characterized in that that the wheel part provided with printed characters (13) has a thickness which is substantially is equal to the thickness of the toothed wheel part (12) and that has the printed character Wheel part also has an internal thread (17b) Central opening (18t>), the internal teeth and the central opening of the two wheel parts (11, 12) cooperate and are matched to the To.-define the central opening (18) of the index wheel (11). 6. index wheel according to claim 3, characterized in that that the fastening means (16, 21) at least one on the inside of the toothed Wheel part (12) arranged fastening pin (16) and a corresponding number of in the facing inner side of the wheel part provided with printed characters (12) formed mounting holes (21) is on, the latter being dimensioned and arranged to hold at least one fastening pin. 7- Labeling device with a Vel number of Sprocket wheels rotatably mounted coaxially next to each other, each of which has a large number on its outer surface of each type of webs and in their outer circumference with a large number of engaging grooves can be seen, each groove being arranged between two adjacent webs, and with a corresponding one Number of ^ Jnd.exwheels, which are coaxially side by side are stored and can be brought into engagement with the corresponding type wheels so that the type wheels set in rotation, characterized that each index wheel (11) comprises: an annular body (14/19), a plurality of arranged on the outer circumference of this annular body and spaced from one another in the circumferential direction Teeth (15) »which can be brought into engagement with the engaging grooves in each of the type wheels, and by a plurality of each on the outer circumference of this annular body between two adjacent ones Teeth arranged index marks (23), which with the help of a printing process including hot stamping are trained. 8. Printing device with a plurality of coaxially side by side rotatably mounted type wheels, each have a plurality of webs each having types on their outer circumference and in their outer circumference are provided with a plurality of engaging grooves, each between two adjacent webs are provided, and with a corresponding number of index wheels, which are arranged coaxially next to one another are and can be brought into engagement with the corresponding type wheels so that the type wheels mediate of the index wheel can be driven, thereby g e k e η nzeich.net, that each index wheel (11) has: a toothed wheel part (11) with a plurality of on teeth (15) formed on its outer circumference, which are spaced from one another in the first direction so that they are in contact with the engaging grooves of the type wheels Get intervention, a with printed characters provided Sadteil (13) with a Yielzahl of partially the outer circumference of this printed character having the wheel part forming webs (20), which in the circumferential direction are arranged at a distance from one another which is equal to the dimension (in the circumferential direction) of the root of each tooth (15) of the toothed Eadteils, a plurality of each arranged on these webs (20) Index mark (22), which with the help of a labeling process including hot stamping are formed, as well as fastening means (16, 21) for connecting the toothed wheel part (12) and the wheel part (15) having printed characters in side-by-side arrangement to a uniform index wheel structure, such that the webs of the printed characters Wheel part (13) are received in the spaces between the teeth (15) of the toothed wheel part (12).