US1567920A - op chicago - Google Patents

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US1567920A
US1567920A US1567920DA US1567920A US 1567920 A US1567920 A US 1567920A US 1567920D A US1567920D A US 1567920DA US 1567920 A US1567920 A US 1567920A
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cutters
sheet
shingles
cutting
shingle
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
    • B26D1/29—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting with cutting member mounted in the plane of a rotating disc, e.g. for slicing beans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
    • B26D1/29—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting with cutting member mounted in the plane of a rotating disc, e.g. for slicing beans
    • B26D1/295—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting with cutting member mounted in the plane of a rotating disc, e.g. for slicing beans for thin material, e.g. for sheets, strips or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/4847—With cooperating stationary tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/485—Cutter with timed stroke relative to moving work
    • Y10T83/494—Uniform periodic tool actuation
    • Y10T83/501—With plural tools on a single tool support
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/485—Cutter with timed stroke relative to moving work
    • Y10T83/503—With plural tool stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8798—With simple oscillating motion only
    • Y10T83/8799—Plural tool pairs

Definitions

  • This invention relates to improvements in shingle cutting machines.
  • One of the objects of the invention is to provide a machine for alternatively cutting shingle simulating strips and shingles of various and divers forms from a progressively movable sheet of composltionroofing material.
  • Another object of the invention is to provide an improved cutter in which the members are removable and which is adapted for severing shingles and shingle simulating strips from a movable sheet of roofing composition.
  • Another object is to provide a machine in which the fixed and rotatable cutters are each removable, whereby other cutters may be substituted to produce shingles and shingle strips of many varied shapes.
  • Another object is the provision of a machine having two types of relatively adjustable, rotatable knives, or cutters, for cutting shingles from a sheet and removing the waste, respectively.
  • Another object is to provide adjustable and removable cutter-blades having a plurality of cutting edges so that the cutters or knives may be removed and replaced with the selected edge for operation.
  • a further object is to provide a series of stationary cutters relatively adjustable toward and from cooperating rotatable cutters.
  • Another object is to provide a machine which will readilv sever the waste stri s, which are left at the marginal edges of t e shingles, or shingle simulating strips, from the sheet without the necessity for maintaining said sheet and marginal strips in substantially horizontal planes during the cutting operation.
  • Another object of the invention is to provide a machine which may be adjusted to cut eithershingle simulating strips or shingles of various forms from a sheet by merely rearranging'the cutters or knives and without the necessity of first splitting the sheet and then cutting the shingles therefrom.
  • Another object is, generally, to improve machines of this character.
  • FIG. 1 is a plan view of the structure shown in Fig. 2.
  • FIG. 2 is a section taken online 22 of Fig. 3 is a plan view of the sheet from which a shingle simulating strip, shown in Fig. 4, has been out, and before the tongues or marginal strips have been severed.
  • Flg. 4 is a plan view of the finished shingle simulating strip.
  • Fig. 5 is a view of the end of the sheet, s1m1lar to Fig. 3, from which three shingles have been cut and from which two shingles are pro ect1ng to be cut by the second knife or cutter in a revolution of the knife arbor.
  • the cutting instrumentalities of my machine are mounted upon a suitable support, shown in this case to be a table 10 and side members 11, the latter supporting a rota- .table arbor or shaft 12 which has bearing on said frame.
  • the arbor 12 may be rotated by any suitable means, such as a gear wheel 13 or other suitable power transmltting instrumentality.
  • the adjustable and removable cutters are supported upon the table 10, preferably upon the horizontal wall 14, and consists, as illustrated in Figs. 1 and 2, in a series of parallel cutters 15, suitably spaced apart to leave a space therebetween substantially equal to the width of the shingles.
  • the upper wall 16, of the table may be slotted at intervals to provide openings within which the cutters 15 are inserted and secured by screws 17, or otherwise, to the table 10. These cutters are more securely held in place b the overlying plate 15', which is clamped upon the top edges of the cutters by bolts 16'.
  • a double edge knife or cutter 18 Between the cutters 15 and located transversely of the longest axis of the cutter is a double edge knife or cutter 18, secured ing thicknesses to be placed behind them.
  • the side edges of the cutters cooperate with the sides of the members 15 and the ends 26 of the cutters 25 cooperate with the cutters 18; while the cutters 18 and 26 cut the ends of the shingles, leaving strips 27, shown more clearly in Fig. 3, between the shingles cut from the sheet.
  • Located between the arms 24 are other smaller and shorter arms 28 that are rotatably adjustable on the shaft or arbor and secured in adjusted positions by set screws 29.
  • the arms 28 jointly carry a double edge removable cutter or blade 30, secured thereto by cap screws 31, which equals in length the combined length of the cutters 25.
  • the arms 28 are located on the shaft or arbor 12 in angular relation to the arm 24, so that the cutter 30 will act subsequently to the operation of the cutters 25.
  • the cutters 25 cut the sheet 32 in cooperation with the cutters 15 along the edges 33 or sides of a rectangle, and in cooperation with cutters 18 along the edges 34 or one end of a rectangle, thus producing shinglelike parts 35, secured to a continuous part 36 of the shingle simulating stri s 37 with slots 38 between the adjoining s inglelike parts 35, from which the tongues or strips 27 shown in Fig. 3, have been cut.
  • a plurality of separated shingles may rapidly be severed from the sheet by makthe knives 15, that are supported upon the the knives 15, that are supported upon the frame 10.
  • a sheet cutting machine having a series of fixed, separable, independently removable, spaced-apart cutters and parallel intermediate cutters extending therebeyond to provide cutting edges on three sides of a rectangle, over which a sheet is to be fed, in combination with a plurality of spaced apart, complementary, independently removable rotatable cutters having cutting edges on three sides of a rectangle and. another rotatable cutter equal in length to the combined width of the series of rotatable cutters aforesaid and means to rotate the rotatable cutters.
  • a sheet cutting machine having a series of fixed, separable, independently removable spaced-apart cutters and parallel intermediate cutters extending therebeyond to provide cutting edges on three sides of a rectangle, over which a sheet is to be fed, in combination with a plurality of spacedapart, complementary, independently removable rotatable cutters having cutting edges on three sides of a rectangle and a rotatable cutter equal to the combined length of the rectangular cutters; means to adjust the angular position of the two types of cutters on a common axis, and means to rotate the said rotatable cutters.
  • a shingle cutting machine having in combination a plurality of fixed, independently removable, spaced-apart parallel cutters with intermediate spaces therebetween,
  • a rotary member having a plural 1ty of independently removable cutters for cooperation with the fixed "cutters and another rotary cutter cooperating with the other cutters to sever the parts left'on the sheetby the first mentioned rotary -cutters.
  • a sheet cutting machine com table having a shoulder formed t plurality of independently removable, transversely extending cutters su ported on said shoulder, a plurality of independently removable, longitudinally extending cutters carried by the table and projectin beyond the faces of the transversely extending cute ters, and a movable cutter ada ted to 0 rate between the longitudinal y exten ing cutters.
  • a sheet cutting machine comprisin a table having a transversely extending shoulder formed thereon and longitudinally extending recesses therein transversely extending spaced, independently removable cutters carried on the shoulder, longitudinally extending independently removable cutters received in the recesses and. between the ends of the transversely extending cutters and extending beyond the faces thereof, and a movable cutter adapted to operate between the longitudinally extending cutters.
  • a sheet cutting machine comprising a tabl having a transversely.
  • a sheet cutting machine comprisin a table having a pluralit of parallel vertical slots therein; cutting lades longitudinally adjustable in said slots; sup rts for said blades; a plate overlyin sai blades; bolts extending thru said gate, and table, to clamp the'longitudinal lades firmly in their respective slots; removable, transverse cutting blades between the first mentioned longitudinal cutting blades adjustable longitudinally thereof and cooperating movable cutters to cut three sides from a sheet.
  • a shingle cuttin machine having in combination with a p urality of adjustable removable, relatively stationary cutters, of a plurality of adjustable, cooperating, removable and rotatable cutters to cut shingle members from a sheet; a shaft to rotate. said rotatable cutters and another cutter on the shaft rotatably adjustable on said shaft with respect to the first mentioned cutters to cut a different part of thesheet.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)

Description

Dec. 29 1925.
H. A. CUMFER SHINGLE CUTTING MACHINE Filed August 7, 1924 2754914 /7, Cam/-21? U" Patented Dec. 29, 1925.
UNITED STATES PATENT orrlca.
HARRY A. CUMFER, OF CHICAGO, ILLINOIS, ASSIGNOBTOGUYTON G: CUII'ER MFG. 00., OF CHICAGO, ILLINOIS, A CORPORATION OF'ILLI'NOIS.
SHINGLE-CUTTING fiacnmn.
Application'filerl August 7, 1924. Serial No. 780,634.
To alZ whom it may concern:
Be it known that I, HARRY A. Confirm, a citizen of the United States, residing at Chicago, in the county of Cook and State of IlllIlOlS, have invented certain new and useful Improvements in Shingle-Cutting Machines, of which the following is a specification.
This invention relates to improvements in shingle cutting machines.
One of the objects of the invention is to provide a machine for alternatively cutting shingle simulating strips and shingles of various and divers forms from a progressively movable sheet of composltionroofing material.
Another object of the invention is to provide an improved cutter in which the members are removable and which is adapted for severing shingles and shingle simulating strips from a movable sheet of roofing composition.
Another object is to provide a machine in which the fixed and rotatable cutters are each removable, whereby other cutters may be substituted to produce shingles and shingle strips of many varied shapes.
Another object is the provision of a machine having two types of relatively adjustable, rotatable knives, or cutters, for cutting shingles from a sheet and removing the waste, respectively.
Another object is to provide adjustable and removable cutter-blades having a plurality of cutting edges so that the cutters or knives may be removed and replaced with the selected edge for operation.
A further object is to provide a series of stationary cutters relatively adjustable toward and from cooperating rotatable cutters.
Another object is to provide a machine which will readilv sever the waste stri s, which are left at the marginal edges of t e shingles, or shingle simulating strips, from the sheet without the necessity for maintaining said sheet and marginal strips in substantially horizontal planes during the cutting operation.
Another object of the invention is to provide a machine which may be adjusted to cut eithershingle simulating strips or shingles of various forms from a sheet by merely rearranging'the cutters or knives and without the necessity of first splitting the sheet and then cutting the shingles therefrom.
Another object is, generally, to improve machines of this character. 1
Other, further and more specific objects and advantages of the invention will be-.
come readily apparent, to persons skilled in the art, from a consideration of the following description .when taken in conjunction with the drawings, wherein 1 Fig. 1 is a plan view of the structure shown in Fig. 2.
FFig. 2 is a section taken online 22 of Fig. 3 is a plan view of the sheet from which a shingle simulating strip, shown in Fig. 4, has been out, and before the tongues or marginal strips have been severed.
Flg. 4 is a plan view of the finished shingle simulating strip.
Fig. 5 is a view of the end of the sheet, s1m1lar to Fig. 3, from which three shingles have been cut and from which two shingles are pro ect1ng to be cut by the second knife or cutter in a revolution of the knife arbor.
In all the views the same reference characters are employed to indicate similar parts.
The cutting instrumentalities of my machine are mounted upon a suitable support, shown in this case to be a table 10 and side members 11, the latter supporting a rota- .table arbor or shaft 12 which has bearing on said frame. The arbor 12 may be rotated by any suitable means, such as a gear wheel 13 or other suitable power transmltting instrumentality.
The adjustable and removable cutters are supported upon the table 10, preferably upon the horizontal wall 14, and consists, as illustrated in Figs. 1 and 2, in a series of parallel cutters 15, suitably spaced apart to leave a space therebetween substantially equal to the width of the shingles. The upper wall 16, of the table, may be slotted at intervals to provide openings within which the cutters 15 are inserted and secured by screws 17, or otherwise, to the table 10. These cutters are more securely held in place b the overlying plate 15', which is clamped upon the top edges of the cutters by bolts 16'.
Between the cutters 15 and located transversely of the longest axis of the cutter is a double edge knife or cutter 18, secured ing thicknesses to be placed behind them.
Secured to the arbor 12, by feathers or keys 23, are a series ofspaced apart arms 24, each carrying. separable double edge reversible cutters 25. The side edges of the cutters cooperate with the sides of the members 15 and the ends 26 of the cutters 25 cooperate with the cutters 18; while the cutters 18 and 26 cut the ends of the shingles, leaving strips 27, shown more clearly in Fig. 3, between the shingles cut from the sheet. Located between the arms 24 are other smaller and shorter arms 28 that are rotatably adjustable on the shaft or arbor and secured in adjusted positions by set screws 29. The arms 28 jointly carry a double edge removable cutter or blade 30, secured thereto by cap screws 31, which equals in length the combined length of the cutters 25. The arms 28 are located on the shaft or arbor 12 in angular relation to the arm 24, so that the cutter 30 will act subsequently to the operation of the cutters 25.
The cutters 25 cut the sheet 32 in cooperation with the cutters 15 along the edges 33 or sides of a rectangle, and in cooperation with cutters 18 along the edges 34 or one end of a rectangle, thus producing shinglelike parts 35, secured to a continuous part 36 of the shingle simulating stri s 37 with slots 38 between the adjoining s inglelike parts 35, from which the tongues or strips 27 shown in Fig. 3, have been cut.
The knife 30, joining the arms 28, then severs the tongues 27 from the sheet leaving a straight edge 39 extending transversely of the sheet 32, after which the sheet is moved forward, by any suitable means, by the time the arms 24 have been rotated, so that the knives 25 and the knife 30 will repeat the operation described.
cut from the notches 40 and the shingles 41 are removed jointly from the sheet 32 by the knives 25 and 30. The tongues or strips 27 at the marginal edges of the shingles 40 are also removed bythe knife 30, operating subsequently to the operation of the knives or cutters 25.
From the foregoing description it will be manifest that the angular relation of the arms-24 and 28 may be varied by rotating shingles, as in the structure shown in Fig.
5, a plurality of separated shingles may rapidly be severed from the sheet by makthe knives 15, that are supported upon the the knives 15, that are supported upon the frame 10.
While I have herein shown a single embodiment of my invention for the purpose of clear disclosure, it will be manifest, to persons skilled in the art, that many changes may be made in the general arrangement and configuration of the parts, within the scope of the appended claims.
Having described my invention what I claim as new and desire to secure by Letters Patent, is:-
1. A sheet cutting machine having a series of fixed, separable, independently removable, spaced-apart cutters and parallel intermediate cutters extending therebeyond to provide cutting edges on three sides of a rectangle, over which a sheet is to be fed, in combination with a plurality of spaced apart, complementary, independently removable rotatable cutters having cutting edges on three sides of a rectangle and. another rotatable cutter equal in length to the combined width of the series of rotatable cutters aforesaid and means to rotate the rotatable cutters.
2. A sheet cutting machine having a series of fixed, separable, independently removable spaced-apart cutters and parallel intermediate cutters extending therebeyond to provide cutting edges on three sides of a rectangle, over which a sheet is to be fed, in combination with a plurality of spacedapart, complementary, independently removable rotatable cutters having cutting edges on three sides of a rectangle and a rotatable cutter equal to the combined length of the rectangular cutters; means to adjust the angular position of the two types of cutters on a common axis, and means to rotate the said rotatable cutters.
3. A shingle cutting machine having in combination a plurality of fixed, independently removable, spaced-apart parallel cutters with intermediate spaces therebetween,
each space equal to the width of the shingle,
to cut the side edges of a shingle, and cutters transversely arranged between each pair of parallel cutters to sever the ends of shingles; a rotary member having a plural 1ty of independently removable cutters for cooperation with the fixed "cutters and another rotary cutter cooperating with the other cutters to sever the parts left'on the sheetby the first mentioned rotary -cutters.
4. A sheet cutting machine com table having a shoulder formed t plurality of independently removable, transversely extending cutters su ported on said shoulder, a plurality of independently removable, longitudinally extending cutters carried by the table and projectin beyond the faces of the transversely extending cute ters, and a movable cutter ada ted to 0 rate between the longitudinal y exten ing cutters.
5. A sheet cutting machine comprisin a table having a transversely extending shoulder formed thereon and longitudinally extending recesses therein transversely extending spaced, independently removable cutters carried on the shoulder, longitudinally extending independently removable cutters received in the recesses and. between the ends of the transversely extending cutters and extending beyond the faces thereof, and a movable cutter adapted to operate between the longitudinally extending cutters. 6. A sheet cutting machine comprising a tabl having a transversely. extending shoulder formed thereon and longitudinally extending recesses therein, a plurality of independently removable transversely extending spaced cutters carried on the shoulder and detachably connected to the table, a plurality of independently removable, lon itudinally extending cutters received in t e rising a ereon, a-
recesses between the ends of the transversely extending cutters and extending beyond the faces thereof, means for detachably connecting the longitudinally extending cutters to the table, and a movable cutter adapted to operate between the longitudinally extending cutters.
A sheet cutting machine comprisin a table having a pluralit of parallel vertical slots therein; cutting lades longitudinally adjustable in said slots; sup rts for said blades; a plate overlyin sai blades; bolts extending thru said gate, and table, to clamp the'longitudinal lades firmly in their respective slots; removable, transverse cutting blades between the first mentioned longitudinal cutting blades adjustable longitudinally thereof and cooperating movable cutters to cut three sides from a sheet.
8. A shingle cuttin machine having in combination with a p urality of adjustable removable, relatively stationary cutters, of a plurality of adjustable, cooperating, removable and rotatable cutters to cut shingle members from a sheet; a shaft to rotate. said rotatable cutters and another cutter on the shaft rotatably adjustable on said shaft with respect to the first mentioned cutters to cut a different part of thesheet.
In testimony whereof I hereunto set my hand.
HARRY A. CUMFER.
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819747A (en) * 1956-04-26 1958-01-14 Jason A Hervin Cutting mechanism for continuously moving baked sheets
US3186277A (en) * 1959-10-16 1965-06-01 Lonza Electrical And Chemical Granulating apparatus for plastic sheet material
US3465641A (en) * 1967-07-26 1969-09-09 Simms T S Co Ltd Roller coater chamfering device
US3757619A (en) * 1972-01-27 1973-09-11 Amf Inc Apparatus for feeding and cutting web material
US3782233A (en) * 1971-11-12 1974-01-01 Smithe Machine Co Inc F L Rotatable cutter mechanism for cutting different length notches in a moving web
US4125044A (en) * 1972-09-20 1978-11-14 Westvaco Corporation Rotary cutting apparatus
US20030061926A1 (en) * 2001-09-28 2003-04-03 Sotsky George R. Rotor and counter knife for a rotary grinder
US7578463B2 (en) 2007-03-13 2009-08-25 Sotsky George R Modular Rotary Grinder

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819747A (en) * 1956-04-26 1958-01-14 Jason A Hervin Cutting mechanism for continuously moving baked sheets
US3186277A (en) * 1959-10-16 1965-06-01 Lonza Electrical And Chemical Granulating apparatus for plastic sheet material
US3465641A (en) * 1967-07-26 1969-09-09 Simms T S Co Ltd Roller coater chamfering device
US3782233A (en) * 1971-11-12 1974-01-01 Smithe Machine Co Inc F L Rotatable cutter mechanism for cutting different length notches in a moving web
US3757619A (en) * 1972-01-27 1973-09-11 Amf Inc Apparatus for feeding and cutting web material
US4125044A (en) * 1972-09-20 1978-11-14 Westvaco Corporation Rotary cutting apparatus
US20030061926A1 (en) * 2001-09-28 2003-04-03 Sotsky George R. Rotor and counter knife for a rotary grinder
US7434756B2 (en) 2001-09-28 2008-10-14 Republic Machines, Inc. Rotor and counter knife for a rotary grinder
US7578463B2 (en) 2007-03-13 2009-08-25 Sotsky George R Modular Rotary Grinder

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