|Publication number||US1116834 A|
|Publication date||Nov 10, 1914|
|Filing date||Oct 18, 1913|
|Priority date||Oct 18, 1913|
|Publication number||US 1116834 A, US 1116834A, US-A-1116834, US1116834 A, US1116834A|
|Original Assignee||Meynardie Nelson|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (7), Classifications (4)|
|External Links: USPTO, USPTO Assignment, Espacenet|
APPLICATION FILED OUT. 18, 1913.
1 1 16 834 Patented Nov. 10, 1914.
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THE NORRIS PETERS Cc. FHOTO'LITHO." WASHINGTON. D, C.
MEYNARDIE NELSON, or LITTLETON, NORTH CAROLINA.
Specification of Letters Patent. 1 .Patented N 10, 1914,.
Application filed October 18,1913. Serial No. 795,826.
To all whom it may concern:
Be it known that I, MEYNARDIE NELsoi a citizen of the United States, and resident of Littleton, in the county of Halifax and State of North Carolina, have invented cer-' tain new and useful Improvements in Paper-Cutters, of which the following is a specification.
This invention relates to paper cutters such as are adapted to be used instores, for carrying rolls of wrapping paper-and cutting the desired lengths of paper from the rolls. V
My invention has particular relation to vertical paper cutters of the class just men tioned, and it consists in certain improvements in thecutter of the particular type shown in my previous Patent No. 908,313, dated December 29, 1908.
The object of my present improvements is to provide a cutter of the type indicated, which will possess advantages in point of strength, convenience and ease in assembling the parts, and which will be more accurate and eflicient in operation, substantially as hereinafter fully set forth.
In the drawingsFigure 1 is a perspective view of the cutter embodying my present improvements. Fig. 2 is a vertical sectlonal vlew ofthe devlce. Fig. 3 1s a horizontal sectional View, taken on the line :0m,
Fig. 2. Fig. 4- is a detail vertical sectional view, taken through the connection between the standard and the stationary base. Fig. 5 is a detail vertical sectional view, taken through the connection between the revolving base and the stationary base. Fig. 6 is a detail horizontal sectional view, taken through the knife or cutting blade and showing the connection therewith ofone of the arms which carries the blade. Fig. 7 is a detail perspective view, illustrating the recessed edge of the cutting blade and the end of the arm which is received thereby.
Corresponding parts in all the figures are denoted by the same reference characters.
Referring to the drawings, 1 designates a horizontal base, which supports the'entire mechanism of the device and is stationary when in use. The under side of this base is hollowed out, as at 2, and the base is provided, at its rear portion, with an upwardly-projecting tubular arm or stud, 3, the bore of which, 4, extends entirely through from top to-bottom. This arm 3 is in true upright or vertical position with relationto the horizontal plane of thebase 1, and it is provided in'its top edge, at diametrically opposite sides, with recesses, as at 5 -5, extending through the walls of the tubular arm or stud and preferably of curved oifsegmental contour. y 6 designatesastandard, which rises from the base 1 and carries the knife or cutting blade mechanism and the means for retaining the roll of paper at the top. Said standard is preferably'in the form of a rod and of cylindrical contour, and itis detachably connected with the base 1. The lower end, 7, of said standard corresponds to and is received by the bore 4 of the tubular arm 3, and it projects within'the hollow space 2 at the under side of the base 1, said proj ecting terminal bottom end being'threaded, as at 8, and adapted to receive a shallow nut, 9, which is screwed up against the underside of thebase 1. Immediately above its end portion 7, the standard is provided with laterally-projecting pins or Studs 10101 respectimly at diametrically opposite sides, which are adapted to be received by the respective recesses 55 in the top edge of the tubular arm or stud 3.
Thus, the nut 9 operates to clamp the pins portatio-n in kncck-downform, and for this 1 reason the connection of the standard with the base 1 is not only detachable but is designed to be readily and conveniently operatable in assembling the'device in position for service. The connection as shown in my previous patent above referred to, in wh ch the standard has a threaded end screwed into a threaded opening in the base, is dis.- advantageous, as it necessitatesthe turning of the entire standard, and other forms of connection havebeen found imperfect, as 1 they 'not only entail considerablediificulty in setting up the device but also do not positively insure the accurate and true vertical position'of the standard. It is necessary, in
the efiectiveoperatio-n of this type of vertical paper cutters, that the standard be in accurate or true vertical or perpendicular relation to the horizontal plane of the stationary base 1, and in the previous methods of attaching the standard to the base the conditions permitted suflicient play to throw the operative parts of the device out of true position, especially in sizes adapted for a heavy roll of paper, weighing, for instance, lbs. In the improved construction as comprised in my present invention, the detachable connection between the standard and base effects not only an absolutely true position of the standard, by reason of the seating of the lateral pins1010 inthe recesses 5-5 of the tubular arm or stud 3, but it also greatly simplifies the operation of assembling the device. In this connection, it is simply necessary, in'setting up the device in absolutely true position and ready for service, to insert the lower end of the standardin the tubular arm 3 until the lateral pins 10-10 are seated in the recesses 5--5 at diametrically opposite sides, and then screw home the nut 9 to securely retain the parts in relative position. The improved construction, for attachment of the standard to the base, also enables the'shipping of the device for transportation in only two knock-down pieces, one consisting of the stationary base with the revolving base which it carries, and the other consisting of the standard with the arms and cutting blade carried thereby.
The stationary base carries a revolving base, 11, mounted substantially in the manner shown in my previous patent, the mounting being preferably of ball-bearing construction. As shown, the stationary base 1 has an upwardly-projecting stud, 12, located the required distance from the stand ard 6 andforming a race channel, 14, for
the balls, 15, and the revolving base 11 is centrally provided on its under side with a bearing surface, 16, resting upon the balls. The revolving base also has an upwardlyprojecting stud, 17, at the axis of the bearing, and the two bases 1 and 11 are connected in permanent relationship by a headed pin, 18. passing downwardly through bores or perforations, 19-20, in the respective studs 12 and 17 of the bases and having its lower end bradded, as at 21, against the under side of the stationary base 1. This permanent connection betweenthe bases of fectively retains the balls 15 and the operative relationship of the basesin transpor- ,tation.
prevent loose rolls' of low grade paper from slipping down at the sides of the base. Tlns improved construction enables the employment, of a revolving base of proper size with relation to the stationary base and with respect to the position of the standard 6, such size being in diameter materially smaller than the stationary base, and at the same time provides for effective operation with loose rolls of paper which would exceed the normal diameter or transverse area of the revolving base. The lateral extensions or lips 2222 are preferably arranged at diametrically opposite sides of the revolving base, as shown. This improved feature of the revolving base, in the application of the device for employment of loose rolls of low grade paper, avoids the necessity of enlarging the entire transverse area of the base and also avoids the enlargement of the dimensions between the projecting stud of the base and the holding pin for the roll of.
paper at the top, which enlargement would be otherwise necessarvto enable the placing of the roll of paper in position in the cutter, as the roll must be tilted when being placed in position. The improved construction whereby the revolving base is of less diametrical dimension than the Width of the roll of paper also afiords manifest advantages in the operative service of the device with rolls of paper of any qualitypvliether the paper is of fine grade and not liable to sllp down at the sides of the revolving base or whether the paper is of low grade and is therefore liable to work loose and would slip down at the sides of the base unless the extension lips 22 were provided.
It will be understood that the roll of paper, as shown at 23, rests upon the revolving base 11 and is carried thereby, with the stud l7of the base projecting upwardly within the lower end of the central bore of the roll, and that the roll is retained at its top by a pin, 24, projectingwithin the top end of the bore of the roll and insertibly mounted in a cylindrical socket, 25, at the outer end of an extension, 26, which projects horizontally from the main vertical portion of the standard 6 and at right angles thereto.
The cutting mechanism is carried by the standard 6, and comprises arms, 2727, preferably two in number, which have a terminal eye, as at 28, surrounding the standard 6 and forming a bearing thereon for the arm. The arms 27 are preferably in strip form and carry'at their outer ends the knife or cutting blade, 29. Said arms are supported in position, and their operation to cause the cutting blade to bear against the circumference of the roll of paper is governed by, coiled springs, 30, which surround the standard 6 and have one end permanently attached thereto, as at 31, and their mounted beneath the arm and its retaining end 33 projects at the top edge thereof, while the spring for the upper arm is arranged above the arm and its retaining end 33 projects at the lower edge of the arm. This reversed arrangement of the retaining springs, with relation to the arms carrying the cutting means, as comprised in my present improvements, effectively prevents spreading of the arms from their proper parallel re lationship and securely retains the same in true position, and it thus also efiiectively obviates any binding of the bearing QSofthe arms upon the standard 6 which would result if the arms should spread from their true position in parallel relationship and at right angles to the vertical standard 6.
It is desirable, inthe type of vertical,
paper cutters to which mypresent invention relates, to employ a fine and thin blade for service as the knife or cutter. Heretofore, the blade has been formed of a plate of nonresilient metal having a sharpened edge, as shown in my previous patent above mentioned. In my present improvements, the cutting blade, as shown at 29, is constituted by a thin sheet of resilient metal, and to prevent bending of this fine thin blade in the knock-down transportation of the device, it is provided with a longitudinal groove or depression, as at 34, forming a projection or rib and preferably formed by stamping the thin metal sheet, said strengthening groove or rib being preferably at approximately the center of the transverse width of the blade. To further strengthen the thin blade, and obviate bending, its rear edge is curved or turned at an angle to its face, as at 35-, which curved edge serves as a strengthening rib in substantially the same manner as the groove and rib 34, and in the preferred construction this curvededge 35' is turned in a direction opposite from the direction in which the rib 34 projects. The construction as just described enables the, employment of a cutting blade of high resiliency and with the necessary give in. operation, without liability to bending or damage in transportation. The curved rear edge 35 also enables the effective attachment of the carrying and sustaining arms 27 27, to sustain the blade for resilient action in the cutting operation,
and for this purpose this edge is. recessed or cut out, as at 3636, to receive the corresponding end portion, 37, ofthe arm 27, whichlatter shoulders or abuts againstthe base of therecess, as at38, and'beyond said shoulder the end of the arm is extended, as at 39, to rest against the face of the blade beyondthe curved rear edge 35. This improved construction enables the securing of the armto the blade with a single rivet or brad,
as at 40, extending through the extension 39 i of the arm and the blade, this single fastening means being merely to secure the blade in connection with the arm while the snug fit and embracing of the end portion of the arm within the recess 36 prevents any tendency of the blade to sag and serves-to maintain the blade in absolutely true operative position. w
The operation of the device, and the ad-.
vantages ofmy present improvements, will i be readily understood from the foregoing description.
Theimproved features of construction not only enhance the strength of the various parts. and the convenience and facility with which the device may be shipped in knockdown form and assembled in position for use, but also secure that accuracy of position which is essential in a vertical or perpendicular paper cutter of the type to which my invention relates. p
I do not desire to be understood aslimit 7 ing myself to the detail construction and arrangement of parts as herein shown and described, as it is manifest that variations and modifications therein may be resorted to, in the adaptation ofmy'invention' to varying conditions of use, without departing from the spirit and scope of my invention and improvements. I thereforereserve the right to all such variations and modifications as properly fall within the scope of my invention and the terms of the following claims. Having thus described my nvention, I
claim and desire to secure by Letters Patent:
1. In a vertical paper cutter of the class described, comprising a stationary base carrying a revolving base for sustaining the roll of paper and atstandard projecting from the stationary baseand carrying the.
cutting means operative with relation to said roll, a stationary base having an upwardly projecting tubular arm or studprovided in its top edge with recesses',astand--' ard having laterally projecting pins or studs, the lower end of the standard being received witliinsaid tubular armv and said pins or studs being seated in said edge re p ard in connection with said base to clamp the pins or studs .1n said edge recesses.
2. In a vertical paper cutter of the class 'cesses, and means for fastening said standdescribed, comprising a stationary base I carrying a revolving base. forsustaining the roll of paper and a standard pro ecting from the stationary base and carrying the cutting means operative with relation to said roll, a stationary base having an upwardly-projecting tubular arm or stud provided in its top edge with recesses, a standard having laterally projecting pins or studs, the lower end of the standard pro- 'jecting through said tubular arm and said pins or studs being seated in said edge recesses, and means upon the lower terminal end of the standard for detachably fastening the same in connection with said base to clamp the pins or studs in said edge recesses.
3. In a vertical paper cutter of the class described, comprising a stationary base carrying a revolving base for sustaining the mounted horizontal arms, whereby the piu rality of arms are prevented fromspreading from parallel relationship and binding of the arms upon the standard is obviated.
4. In a vertical paper cutter of the class described, comprising a stationary base can rying a revolving base for sustaining the roll of paper and a standard projecting from the stationary base and carrying the cutting means operative with relation to said roll, a pair of horizontal parallel arms for carrying the cutting knife or blade and respectively loosely mounted with bearings upon the standard, and springs for sustaining'and retaining the arms in their hori- 'zontal position and governing the operation thereof, said springs being carried by the standard and having a projecting portion for retaining the arms, the spring for the lower arm being mounted beneath the arm and supporting the same and having its retaining portion projecting over the top edge thereof and the spring for the upper arm being mounted above the arm and having its retaining portion projecting beneath the lower edge thereof and operatively sustaining the same, whereby the springs are re versely arranged with relation to said independently anounted arms and prevent spreading of the arms from parallel relationship and binding of the arms upon the standard is obviated.
5. In a vertical; paper cutter of the class described, comprising a stationary base carrying a revolving base for sustaining the roll of paper and a standard projecting from the stationary base and carrying the cutting means operative with relation to said roll, a cutting knife or blade constituted by a thin sheet of resilient metal and having its rear edge curved or turned at an angle to its face and provided with recesses, and carrying arms having a bearing upon the standard, the end of said arms corresponding to and fitting in said recesses and being provided with an extension secured to the face of the resilient blade beyond said rear edge thereof. 7
6. In a vertical paper cutter of the class described, comprisinga stationary base carrying a revolving base for sustaining the roll of paper and'a standard projecting from the stationary base and carrying the cutting means operative with relation to said roll, a cutting knife or blade constituted by a thin sheet of resilient metal and provided with a longitudinal groove or depression forming a projection or rib beyond its cutting portion and adjacent its rear fastening edge, said rear fastening edge-portion beyond said ribbeing curved or turned at an angle to the outer face portion of the blade and projecting in a direction opposite from the direction in which said longitudinal rib projects, and carrying arms having a bearing upon the standard and connected with said rear edge of the blade immediately beyond said rib.
7. In a vertical paper cutter of the class described, comprising a stationary base carrying a revolving base for sustaining the roll of paper and a standard projecting from the stationary base and carrying the cutting means operative with relation to said roll, a cutting knife or blade constituted by a thin sheet of resilient metal and provided with a longitudinal groove or depression forming a projection or rib in the rear portion of the body of the resilient metallic sheet beyond its cutting portion and adjacent its rear fastening edge, said rear fastening edgeportion beyond said longitudinal ribbeing curved or turned at an angle to the outer face portion of the blade, and spring-controlled supporting arms having a bearing upon the standard and connected with said turned rear edge of the blade immediately beyond said rib.
In' testimony whereof I have signed" my name in the presence of the subscribing witnesses.
M. J GRANT,
J. C. Snssonns.
Copies of this patent may be obtained for five cents each. by addressing the Commissioner of Patents,
Washington, I). G.
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