|Publication number||US3762261 A|
|Publication date||Oct 2, 1973|
|Filing date||Jun 1, 1971|
|Priority date||Jun 4, 1970|
|Also published as||DE2126706A1|
|Publication number||US 3762261 A, US 3762261A, US-A-3762261, US3762261 A, US3762261A|
|Original Assignee||Utvecklings Ab Innovia|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (3), Referenced by (20), Classifications (10)|
|External Links: USPTO, USPTO Assignment, Espacenet|
United States Patent 1 [111 3,762,261 Ekenberg 1 Oct. 2, 1973 41 APPARATUS FOR CUTTING STRIPS FROM A CONTINUOUS BAND MATERIAL WOUND ON A STORAGE REEL Foreign Application Priority Data June 4, 1970 Sweden 7780/70 US. Cl 83/649, 225/43, 225/56, 225/66, 225/89 Int. Cl B26d 7/00 Field of Search 83 A 9 i 2 Z/ 3 -4, H
References Cited UNITED STATES PATENTS Primary Examiner-Frank T. Yost Att0rneyRobert C. Baker ABSTRACT An apparatus for cutting strips from a continuous band material wound on a storage reel. The apparatus comprises a holder for the reel consisting of two ring havle s turnable in relation to each other. Each of said ring halves is provided with a support projecting from said ring halves and being provided with a cutting member and a support member respectively, which are movable against each other to perform a cutting operation.
7 Claims, 3 Drawing Figures I UEHTEU BET 2'97?! 3.762.251
SHEET 1 [1F .3
INVENTOR JOHN TUEE EKENBERG ATTORNEY PATENTEU 3 3,762,261 SHEET 30F 3 //Vl E/VTO/? JOHN TURE EKENBEHG ATTORNEY APPARATUS FOR CUTTING STRIPS FROM A CONTINUOUS BAND MATERIAL WOUND ON A STORAGE REEL The present invention relates to an apparatus for cutting strips from a continuous band material wound on a storage reel.
One object of the invention is to provide an apparatus which can be used to cut strips of arbitrary length from a roll of tape or the like.
As is known, cutting off tape strips, for example, from a roll of tape still raises considerable problems. Admittedly various solutions have already been proposed, such as arranging tearing edges around the circumference of the tape roll, in which case, when the desired length of tape has ben pulled out it must, by various changes of direction, be folded over these tear edges to tear off a piece of tape. Another solution has been to provide the tape roll with a cutting member displaceable around the circumference of the roll between its outer edges. However, none of these previous proposals has resulted in a satisfactory solution of the problem as these tearing and cutting devices are, without exception, extremely difficult to manage.
This disadvantage is eliminated by the present invention without any detrimental effect on the usefulness of the band material.
It is accordingly an object of the invention to provide an apparatus for cutting off strips from a continuous band material wound on a storage reel, which is easy to handle and useful for all conventional uses.
For this purpose the apparatus comprises a holder for the reel consisting of two ring halves turnable in relation to each other; means for cutting the continuous band material, said means consisting of a cutting member rigidly arranged on one of said ring halves and a support member rigidly arranged on the other of said ring halves; each of said cutting member and said support member being positioned on a support projecting outwards from the peripherical surface of said ring halves and being movable against each other to cut the band material.
In the following the invention will be further described in detail with reference to some embodiments shown in the accompanying drawings, in which FIG. I is a side view, partly in section, of an apparatus according to the invention,
FIG. 2 is a side view, partly in section, of another embodiment of the invention, and
FIG. 3 is an exploded view of FIG. 2.
The embodiment of the invention shown in FIG. 1 comprises two ring halves 1, 2 which, by means of annular flanges 3, 4 overlapping each other, are arranged to be movably fitted into each other to form a holder for a roll of tape 5, the annular flanges 3, 4 when fitted together, forming a reception surface for the tape roll 5. The ring halves are also provided with rims 6, 7 projecting radially from the flanges 3, 4, respectively, to form side supports for the roll of tape 5. The ring halves l, 2 continue into supports 8, 9 and the support 8, manufactured in one piece with the ring half 2, is provided at a distance from the tape roll with a cutting member 10 arranged to cooperate with a support member 11 on the support 9 which is made in one piece with the ring half 1. The cutting member 10 has a sharp edge 12 which is inserted into the support member 11 provided with a gap 13 in order to cut a strip off the continuous tape 17 wound on the tape roll 5. The insertion of the cutting member 10 into the gap 13 is limited by a stop 14 in the form of a projection arranged on the cutting member 10. The supports 8 and 9 are also provided with finger grips l5 and 16, respectively.
When a length of tape is to be cut off with the apparatus shown in FIG. 1, the desired length of the tape 17 is pulled from the roll 5 and then placed in contact with the support member 11. It is then cut by the cutting member 10 being inserted in the gap 13. The apparatus may preferably be held between the first finger and thumb of one hand during the cutting operation so that the tape can easily be pulled from the roll with the other hand.
The embodiment of the invention shown in FIGS. 2 and 3 is principally of the same construction as that shown in FIG. 1 and comprises the ring halves l, 2 which are turnable in relation to each other. However, the reception surface for the tape roll 5 is not in this case formed by overlapping flanges 3, 4 of the two ring halves l, 2, as in the embodiment according to FIG. 1. Instead, the flanges 3, 4 lie edge to edge with each other and each thus forms one half of the reception surface when the holder is assembled. Furthermore, the ring halves l, 2 are shaped so that, when assembled, they completely enclose the tape roll 5, each having an annular recess 18, 19. The diameter of the tape roll 5 is less than the space formed between the recesses 18, 19, so that the roll of tape can move freely in this space. The ring halves 1, 2 are fixed in their assembled position by means of a locking ring 20 which is arranged to be inserted in a central opening 21 in the holder, this opening being limited by the outer side of the flanges 3, 4, forming the reception surface, facing away from the tape roll 5. The locking ring 20 is provided with a special rim 22, and the peripheral part 23 of the ring facing away from the rim 22, i.e., the contact surface of the locking ring with the flange 4 of one half ring I, is designed by means of frictional fit to abut the part of the flange 4 limiting the opening 21. For this purpose, the outer diameter of the locking ring 20 is slightly larger within the contact surface 23 than within the part 24 of the circumference of the ring 20 which is intended to abut against the flange 3 of the ring half 2. Furthermore, the contact surface 23 is suitably surface treated, for example roughened or the like, in order to achieve the necessary frictional fit.
As with the embodiment shown in FIG. 1, one of the ring halves has a cutting member and the other ring half a support member 11 cooperating with the cutting member 10 and having a gap 13 for insertion of the edge 12 of the cutting member 10.
Instead of the stop member 14 shown in FIG. 1, which is intended to limit the insertion of the cutting member into the gap 13, in the embodiment shown in FIG. 2 the support 8 projecting from the ring half 2 and having the cutting member 10 is in the form of a hollow pillar open on the side facing the member 11. In the operating position of the device, i.e., during a cutting process, the front side edges 25, 26 of the pillar are designed to come into contact with the side limitations 27, 28 of the support 9 carrying the block 11. The member 11 is in this case inserted into the pillar-shaped support 8 which has an opening 27 for this purpose, located above the cutting member 13.
The two ring halves 1, 2 are prevented from opening too far from each other by a stop member 28 located below the block support 9 and in the shape of a downwardly directed flange which, in the parted position of the holder, is brought into abutment with the peripheral edge flange 37 of the ring half 2. Furthermore, in front of these supports on the ring halves 1, 2 are recesses 29, 30 extending over the entire width of the peripheral side flanges, while the base parts 31, 32 of the supports have the same width as two peripheral edge flanges of the ring halves.
The parallel flanges 33, 34 limiting the actual gap 13 in the member 11 finish at the ends facing the cutting member in projections 35, 36 arranged substantially perpendicular to the flanges 33, 34 and intended to provide a support surface for the tape 17 during the cutting process. 'The tape is then also in contact with the stop 28, as can be clearly seen in FIG. 2.
The apparatus described in FIGS. 2 and 3 operates as follows:
The roll of tape 5 is placed (see FIG. 3) in the annular recess 18 in the ring half 1, after which the end of the tape 17 is suitably pulled and placed against the support surfaces 28, 36 and 35 (FIG. 2). The ring half 2 is then placed over the ring half 1, this being done most easily by inserting the free edge 37 of the ring half 2 just behind the stop member 28 on the ring half 1. The two rings halves 1, 2 are now in contact with each other and enclose the tape roll 5. They are in principle movable in relation to each other so that the cutting member and support member 11 can be moved towards each other by turning the ring halves. In order to fix the ring halves 1, 2 in this turning position, the locking ring 20 is now applied in the opening 21, its peripherical rim being brought into contact with the ring half 2 and the contact surface 23 of the ring 20 is in frictional contact with the flange 3 of the ring half 1. The apparatus is now ready for use, whereby the apparatus is preferably held by the grips 15, 16 between the first finger and thumb of one hand so that the desired length of tape can be pulled off with the other hand the support member and cutting means being still apart and then cut off by moving the cutting member and the support member towards each other.
It will be clear to those skilled in this art that the practice of the invention lends itself readily to various modifications. The specific embodiments described are only by way of illustration.
What I claim is:
1. Apparatus for cutting strips from a continuous band material wound on a storage reel, which apparatus comprises a reel holder consisting essentially of two ring halves, a loop-like finger grip on each said ring half, said ring halves being turnable in relation to each other by means of said loop'like finger grips; means for cutting the continuous band material, said means consisting essentially of a cutting member having a cutting edge rigidly arranged on one of said ring halves and a support member rigidly arranged on the other of said ring halves, said support member being adapted to cooperate with said cutting edge for said cutting; each of said cutting member and said support member being positioned on a support projecting outwards from the peripheral surface of said ring halves and by means of said loop-like finger grips being movable against each other to cut the band material; and said ring halves being locked in their assembled turnable position.
2. Apparatus as claimed in claim 1, wherein said ring halves are locked in their assembled turnable position by means of a locking ring inserted into a central opening passing through both ring halves and being limited by side flanges of said ring halves.
3. Apparatus as claimed in claim 2, wherein the locking ring is provided with a peripheral rim and frictionally abuts one of the ring halves.
4. Apparatus as claimed in claim 2, wherein the contact surface of said locking ring is roughened.
5. Apparatus as claimed in claim 1, wherein said cutting edge comprises a V-shaped member.
6. Apparatus as claimed in claim 1, wherein said support member rigidly arranged on said other ring half comprises a slot for receiving said cutting edge.
7. Apparatus as claimed in claim 5, wherein said support member rigidly arranged on said other ring half comprises a slot for receiving said cutting edge.
* l i I. ill
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|U.S. Classification||83/649, 225/43, 225/89, 225/66, 225/56|
|Cooperative Classification||B65H35/0026, B65H35/002|
|European Classification||B65H35/00B2, B65H35/00B2B|