DE1884154U - OUTPUT ROD OF A STAPLER FOR JOINING PAPER SHEETS OD. DGL. THROUGH RIFLES. - Google Patents

Description

Applicant; Aurelio LA TIOlA, Busto Arsizio (Italy)

Title: / Drive linkage of a stapling device for connecting sheets of paper or the like by means of corrugations. /

Utility model

The hiring refers to the drive linkage of a stapling device for connecting sheets, in particular made of paper, by corrugation, one of which is by a hand lever against a spring force has in the stapling position pivotable rocker arm on whose the upper stapling rail is arranged on a lever arm, while the pressing force is transmitted via the other lever arm. Included the return spring engages with one end on the rocker arm and with the other end on the hand lever.

In known rods of this type, two are separated from one another fixed axes of rotation provided, namely one for the hand lever and one for the rocker arm. Both levers are connected to one another by a curved intermediate lever. The disadvantage this design consists in that they are proportionate is expensive and with her the upper staple bar with constant Speed of the hand lever is also moved against the lower stapling rail with constant G-speed. Through this it is possible that the sheets to be joined together tear at the stapling points when stapled together.

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There are "also-stapling devices known which are toothed with th rollers or rollers work between which the sheets to be stapled are passed so that in the sheet even a advertising is pressed in, which holds them together ". Also" with these devices. there is the disadvantage that the When stapling, sheets often tear at the stapling locations, and it is also difficult to start stapling at one precisely beforehand "stop certain body.

The task of the present fire is to avoid the disadvantages of the known designs and a drive linkage for staplers, which is a soft and gradually progressive interlocking of the teeth located on the two handlebars allows without a special care of the operator would be necessary * Furthermore a particularly simple drive linkage is to be created for this Ζγ / corner. ".

Therefore, according to the fire, it is proposed that one end of the hand lever of the drive linkage be linked directly / to the one lever arm of the rocker arm and that it can be pivoted about its fixed axis as a fixed pivot point Ifocken is provided which extends at Herabp'ohxankgn of the hand lever to _as: supporting Widerlager'dienende resilient pad that applies a changing restoring force due to its outer jporm during rolling of the Ifockens on its upper side. The opposing movement of the two

Stapling rails is therefore slowed down more and more, the more the Teeth interlock and each starter to each other connecting arches are fluted by these teeth. This prevents the sheets from tearing out at the stapling points. Also, one can easily undo the stitching by using the fluted section of the sheet a flat body or the back of the lingernail smooths. The sheets can then be separated from one another without damaging them will.

According to a preferred embodiment of the hiring is the as an abutment serving elastic pad in the form of an elastic Cushion formed with a hard top, which rests loosely on the basis of the stapler. In the practical Execution is the elastic pad from an upper rectangular Metal plate and an elastic body made of rubber or the like. Composed on its underside has two inclined! pools, one of which occupies about 1/3 of the entire length of the body and further away of the fixed axis of the rocker arm is as, 'the other sloping surface, which extends at most over 1/6 the length of the elastic body extends. When the hand lever is swiveled down, its crouch is pressed onto the metal plate, so that the elastic pad, depending on the position of the hand lever and thus the lure, tilted, is what makes the different Restoring force of the pad results. . "

According to the hirer, the cushion forming the elastic pad is located in a recess closed on all four side walls

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the base of the stapler .... 'This causes a shift of the loosely arranged cushion out of its working position is not possible. . ■

The newly designed door direction can be used both as a free-standing device and as a hand-held device. She lets herself in Office and also for other purposes.

The drawing shows an embodiment of the innovation, and although shows

Pig .. 1 a side view of the new rungs according to eh machine in the

Rest position,. fig. 2 a front view of Pigur 1,

Pig. 3 shows a partial longitudinal section of the same machine and the Pig. 4 and 5 details of the stapling machines.

At a base 1 (Piguren 1 and 3) a movable cheek 3 is articulated at -2, which carries a stapling machine 4 at its right end, which is opposite a stapling machine 5, which is arranged in the base 1. The cheek 3 carries at the left end a pin 6, about which a hand lever 7 with a cam 7 ^{1 can be} pivoted. For actuation, the hand lever 7 is pivoted in the direction of the arrow 8 »In doing so, der.locken 7 'presses on an elastic cushion 9 located underneath, which consists of a metal plate which rests on a flexible and elastic body 1o which, for example, is made of G- ummi exists. A peder 11, which is attached at 12 on the lever 7 and at 13 on the cheek 3, is used to move the lever 7 upwards, ie. returned to its rest position when the hand releases the lever after stapling is complete. . ^

The base 1 has an inclined surface 1 "at the front (FIG. 1), which serves to introduce the sheets to be stapled between the stapling rails 4 and 5. The rear part 1" (FIG. 3) forms a recess which the cushion 9? 10 picks up. The intermediate {cable 1 'is trough-shaped, ie it is designed as a cylindrical cavity that is open at the top and takes a cable 3 ″ ^{1 of} the cheek 3.

There is an insulating one on the underside of the base Adhesive strip 13, which consists for example of insulating tape, 'which can be detached from the base and also stuck on again. This strip is therefore without mechanical fasteners such as E.g. Screws attached to the base 1. The strip 13 consists on-its lower outside made of a mixture of g-ummi and Cork and makes it difficult to slide the device on a table or similar.

The stapling rails provided with teeth are shown in FIGS. 4 and 5 on an enlarged scale. They have teeth 4 * wad - 5 ^f »which can be pushed into one another like the prongs of a comb. These teeth create a grained strip on the sheets to be stapled, which holds the sheets together, the tips of the teeth are slightly rounded to avoid tearing or cutting the paper.

The machine works as follows. If you go in the direction of the arrow 8 presses on lever T, the latter rotates around pin 6, thereby making the curl 7 * j by looking on the surface of the

Cushion 9 supports the pin 6 -and with this the one around the pin 2 pivoting end 3 * of the cheek 3 lifts. This swivels Cheek 3 "raid around the pin 2 lowers the staple bar 4 so that the inserted sheets between the stapling rails 4 and 5 strong. are pressed together. . ■

A pivoting path of the free end of the hand lever 7 of about 50 mm length corresponds to etvia one. Lowering of the stapler 4 by 1-mmj this means that the pressure applied by hand is about fifty fold so that a pressure of several hundredweight can be exerted with the hand.

The nature of the small elastic is important for the invention Pillow 1o whose surface 1o is 'less inclined' than the area 10% - "so that the curl 7 'during its sliding on the pillow -9 always encountered the same reaction. To this In this way, leaning on a surface section AB is made possible, which is located directly below the point of contact of the upper part 9 of the support cushion with the ISTo-oken 7 'of the lever 7.

The downward movement of the upper staple rail 4 takes place essentially in the vertical direction towards the staple rail 5, a.lso approximately in the direction of the arrow 16 · .-. _{; :}

The machine according to the innovation differs from the already known HeftmasOhinen, which with grained rollers or rollers work that leads parallel to the sheets to be stapled are, in that the stapling rails are perpendicular to each other

will. This produces a tearing of the ^paper: largely eliminated.

Shape and arrangement of the various parts that make up the machine according to the innovation composed, can vary without leaving the idea of hiring. For example the machine can be manufactured in the shape of a pair of pliers, which can be operated hands-free.

Claims (1)

951 * 211I3S protection claims 1. Drive linkage of a stapling device for connecting "sheets, in particular made of paper, by corrugation, which has a by a hand lever against a spring force in the stapling position, pivotable toggle lever, on one lever arm of which the upper stapling rail is arranged, while the other lever arm Contact pressure is transmitted, the return spring engaging with one end on the rocker arm and the other end on the hand lever, characterized in that the hand lever (7) is articulated with one end directly to the one lever arm (3 ¹ ) of the rocker arm (3) and can be pivoted with this about its fixed axis (2) as a fixed pivot point, the hand lever being provided with a lock (7 ¹ ) at its end connected to the rocker arm, which, when the hand lever is pivoted down, rests on an elastic support (9, 1o), which, due to its external shape, causes a changing R when rolling the curl on its upper side applying restoring force. 2_j_ linkage according to claim 1, characterized in that the elastic pad in the form of an elastic cushion (9,10) is designed with a hard top that is on the base plate (1) the stapler rests loosely. Linkage according to claim 2, characterized in that the elastic pad made of an upper rectangular metal —2.— ./ρ plate (9) and a rubber or the like. "existing elastic body (1o) is composed, which on its underside two inclined extending Pläehen (to ^1, 10"), of which the one (1O ¹⁾ from about 1/3 the entire length of the body which occupies and is further away from the fixed axis (2) Φλ rocker arm (3) than the other (10 "), which extends at most over 1/6 of the length of the elastic body. Linkage according to Claims 1 to 3, characterized in that the elastic cushion (9, 10) ^{lies in a recess (i 'ft} ) in the base plate (1) of the stapling device, which is closed on all four lateral walls. : Ofeae ünfsdogs iSasehreibane und Schutecnspr-) W die ajfcW ^ n ^ errfch ^ it gives way the «is ^ nglieh abigenieMcA. ÜBfeicget » ah. Us TadäfcHe Ssdsuhing. * r Aliwadsyng M mO mngmmm ^ Uäsb9 »Ί» 9Μί «stö to. To ApfteMefc. Se kSftneh Jsd ^ "without ^ f hÜi ^ en interest gsfeifersirfrel s &gesshsa" adeiL. A «f ÄB« «g wsfto hmocn oac * foSote ^ j er» or F lSBa-