US258388A - Box-trimming cutter - Google Patents

Box-trimming cutter Download PDF

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US258388A
US258388A US258388DA US258388A US 258388 A US258388 A US 258388A US 258388D A US258388D A US 258388DA US 258388 A US258388 A US 258388A
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Prior art keywords
disk
box
knife
knives
trimming cutter
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27CPLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C1/00Machines for producing flat surfaces, e.g. by rotary cutters; Equipment therefor
    • B27C1/005Machines for producing flat surfaces, e.g. by rotary cutters; Equipment therefor with tools having a rotational vector which is perpendicular to the working surface

Definitions

  • My invention relates to machines for trimming off the projecting edges of boxes.
  • the projecting edges have been trimmed by knives which have beenverticallyreciprocated. Knivesoperated in this manner, when cutting across the grain of the wood, are liable, on reaching the end or corner of the box being trimmed, to sever a large piece of the wood-therefrom.
  • Machines have also been constructed having revolving disks with knives passing through such disks at an angle and adjustably secured therein. These machines are adaptedonly for trimming small pieces of wood.
  • the object of my invention is to provide a device which will perform a heavier class of work, such as trimmingoft'the projectingedges of boxes in a clean'and finished manner and prevent the breaking away of the wood at the edge or corner of the box; and to that end it consists substantially of a disk adapted to be revolved by suitable power, said disk having one or more knives adjustably secured in the face of such disk and substantiallyparallel to thesame,theoutersurfaceof the knifeorknives being slightly raised above the surface of such disk. These knives rest in beds or recesses made in the face of the disk, and are capable of adjustment both in the plane of the disk and to and from such plane, as will be hereinafter more fully shown and described.
  • Figure 1 is a side elevation of the box-trimmer, with a portion of the disk in section.
  • Fig. 2 is a front elevation of the same.
  • Fig. 3 is a section of the disk and one of the knives, taken on the line or a" of Fig. 2.
  • Fig. 4 is a. detached view of the knife, and
  • Fig. 5 is a similar view of one of the adjusting screws and nuts.
  • a is the framework in which the box-trimmer is mounted.
  • c is a fast and ca loose pulley mounted upon the shaft b.
  • d is a disk, which is vertically mounted upon and revolves with the shaft b when power is applied to the fast pulley c.
  • e is the knife, having the chisel cutting-edge e and the slots e two or more. These slots extend part way across the knife and have their sides beveled, as shown at e in Fig. 4.
  • the head of the screw f has the beveled sidesf f which rest against the beveled sides 6 of the knife-slots 6 when the knife is seecured to the, disk.
  • g are screw-holes in the disk, through which the adjusting-screwsf pass.
  • h are thum b-screws for adj usting the cuttingedge of the knife to and from the surface of the disk.
  • the operation of the box-trimmeris as follows: The disk, with its knives properly ad justed thereon, is set in rapid motion in the di rection of the arrow seen in Fig. 2.
  • the box to be trimmed (shown at l in Figs. it and 2) is placed upon the stand or table 70' and pushed by the operator against the rapidly-revolving disk.
  • the peculiar position of the knives with respect to the diameter of the disk enables the operator to obtain a shearing cut, by which the trimming is done in a complete and efi'cctive manner, and the knives, being in a position substantially parallel to the plane of the disk, are capable of doingheavy work and are knives 0, provided with the slots 6 having less liable-to break or wear away tban'are those arranged as hereinbefore mentioned.
  • Two of these disks might be arranged close together 5 and revolved in opposite directions, thus enabling the operator to trim two sides of the box without being obliged to turn the same.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Shearing Machines (AREA)

Description

"(No Model-) J. F. DE WITT BOX TR-IMMING BUTTER.
No; 258,388; I Patented May 23, 1882:
S 5 r S WITNESSES: INVBNTORT W- W/Qb/Z BY (xr 7,1440% S ATTORNEY UNITED STATES PATENT OFFICE.
* JULIAN F. DE WITT, OF BUFFALO, NEW YORK.
BOX-TRIMMING CUTTER.
SPECIFICATION forming part of Letters Patent No. 258,388, dated May 23, 1882. Application filed February 1, 1852. (No model.)
to letters or figures of reference marked thereon, which form a part of this specification.
My invention relates to machines for trimming off the projecting edges of boxes. Heretofore in that class of machines the projecting edges have been trimmed by knives which have beenverticallyreciprocated. Knivesoperated in this manner, when cutting across the grain of the wood, are liable, on reaching the end or corner of the box being trimmed, to sever a large piece of the wood-therefrom. Machines have also been constructed having revolving disks with knives passing through such disks at an angle and adjustably secured therein. These machines are adaptedonly for trimming small pieces of wood.
The object of my invention is to provide a device which will perform a heavier class of work, such as trimmingoft'the projectingedges of boxes in a clean'and finished manner and prevent the breaking away of the wood at the edge or corner of the box; and to that end it consists substantially of a disk adapted to be revolved by suitable power, said disk having one or more knives adjustably secured in the face of such disk and substantiallyparallel to thesame,theoutersurfaceof the knifeorknives being slightly raised above the surface of such disk. These knives rest in beds or recesses made in the face of the disk, and are capable of adjustment both in the plane of the disk and to and from such plane, as will be hereinafter more fully shown and described.
In the drawings, Figure 1 is a side elevation of the box-trimmer, with a portion of the disk in section. Fig. 2 is a front elevation of the same. Fig. 3 is a section of the disk and one of the knives, taken on the line or a" of Fig. 2. Fig. 4 is a. detached view of the knife, and Fig. 5 is a similar view of one of the adjusting screws and nuts.
Referring to the drawings, a is the framework in which the box-trimmer is mounted.
b is the shaft to which the disk is rigidly secured. This shaft revolvesin the bearings b b.
c is a fast and ca loose pulley mounted upon the shaft b.
d is a disk, which is vertically mounted upon and revolves with the shaft b when power is applied to the fast pulley c.
e is the knife, having the chisel cutting-edge e and the slots e two or more. These slots extend part way across the knife and have their sides beveled, as shown at e in Fig. 4. The
knife, as shown in Fig. 1, has its outer surface raised slightly above the surface of the disk 07.
is an adjustingscrew and f an ad'ustingnut. The head of the screw f has the beveled sidesf f which rest against the beveled sides 6 of the knife-slots 6 when the knife is seecured to the, disk.
9 is the recess in the disk d, in which the knife 0 rests and is adjusted, and gis a slot extending through the disk at the end of the recess g, in which the cutting-edge of the knife is located and through which the waste material passes.
g are screw-holes in the disk, through which the adjusting-screwsf pass.
h are thum b-screws for adj usting the cuttingedge of the knife to and from the surface of the disk.
is a stand or table upon which the box rests while being trimmed.
To adjust the knife 0 as it is worn away in sharpening it is only necessary to loosen the nuts f, when the knife can be moved forward in the plane of the disk any required distance, and to increase orlessen the thickness of the cut the cutting-edge oftheknifeis moved the proper distance by adjusting the thumb-screws h.
The operation of the box-trimmeris as follows: The disk, with its knives properly ad justed thereon, is set in rapid motion in the di rection of the arrow seen in Fig. 2. The box to be trimmed (shown at l in Figs. it and 2) is placed upon the stand or table 70' and pushed by the operator against the rapidly-revolving disk. The peculiar position of the knives with respect to the diameter of the disk enables the operator to obtain a shearing cut, by which the trimming is done in a complete and efi'cctive manner, and the knives, being in a position substantially parallel to the plane of the disk, are capable of doingheavy work and are knives 0, provided with the slots 6 having less liable-to break or wear away tban'are those arranged as hereinbefore mentioned. Two of these disks might be arranged close together 5 and revolved in opposite directions, thus enabling the operator to trim two sides of the box without being obliged to turn the same.
I, claim-- A box-trimmer consisting of the disk d, 10 adapted to operate by suitable power, and provided with the recesses g and slots 9, the
beveled sides 6 such knives being adapted by means of adjusting-screwsfand h to be adjusted both in the plane of the disk and to and :5 from such plane in the manner shown, the whole being combined and operating substantially as shown and described.
JULIAN F. DE VVITT. Witnesses:
OTTO HODDICK, W. T. MILLER.
US258388D Box-trimming cutter Expired - Lifetime US258388A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11305445B1 (en) 2020-04-24 2022-04-19 John Peachey Surface texturing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11305445B1 (en) 2020-04-24 2022-04-19 John Peachey Surface texturing apparatus

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