US119578A - Improvement in strap-cutters - Google Patents

Improvement in strap-cutters Download PDF

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Publication number
US119578A
US119578A US119578DA US119578A US 119578 A US119578 A US 119578A US 119578D A US119578D A US 119578DA US 119578 A US119578 A US 119578A
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Prior art keywords
strap
cutters
improvement
knives
comb
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Expired - Lifetime
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Classifications

    • 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
    • B26D1/14—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 circular cutting member, e.g. disc cutter
    • B26D1/24—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 circular cutting member, e.g. disc cutter coacting with another disc cutter
    • B26D1/245—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 circular cutting member, e.g. disc cutter coacting with another disc cutter 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
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2096—Means to move product out of contact with tool
    • Y10T83/21—Out of contact with a rotary tool
    • Y10T83/2118—Stationary mover
    • Y10T83/212—And plural rotating tools
    • 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
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y10T83/7809—Tool pair comprises rotatable tools
    • Y10T83/783—Tool pair comprises contacting overlapped discs

Definitions

  • My invention consists in a new way of cleaning the rotary knives ot a strapcutting apparatus by passing them between the teeth of a comb as they revolve7 and immediately after the cutting operation has been performed.
  • Figure l is a vertical transverse sectional view
  • Fig. 2 a plan view of my improved machine.
  • A is the frame; B, a crankshaft 5 and O, a horizontal supporting roller.
  • D is a series of parallel annular blades or cutters; c, the washers separating them 5 and a, a nut clamping them on the shaft.
  • b is-a thumb-screw in which one end of the shaft B is centered.
  • O is a wooden supporting roll having a groove for each blade.
  • d is a table, and e a gauge, adjustable laterally thereon. fis a slotted plate, which constitutes the comb or cleaners to the knives, and which incidentally guides them and prevents them from whipping.
  • the mode of operation is as follows The gauge being set to the width of the sheet of leather to be out, the leather is placed on table d and fed to the rotary cutters D. The strips, when out, have a tendency to work tight between the knives and to Wind around the shaft. To remove this difliculty my comb f then comes into important use, and strips the pieces of leather from the knives as fast as they are out.
  • a strap-cutting machine7 the comb f, combined with a series of rotary knives, D, arranged to pass severally through the slots thereof, as and for the purpose specified.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Description

ITD TATES PATENT Error..
IMPROVEMENT IN STRAP-CUTTERS.
Sipecication forming part of Letters'Patent No. 119,578, dated October 3,1871 antedated September 27, 1871.
To all whom t may concern.'
Be it known that I, RICHARD GROCKER, of ll/Iarshalltown, in the county of Marshall and State of Iowa, have invented a new and Improved Strap-Cutter; and I do herebyr declare that the following is a full7 clear, and exact rdescription of the same, reference being had to the accompanying drawing forming a part of this specification. y
My invention consists in a new way of cleaning the rotary knives ot a strapcutting apparatus by passing them between the teeth of a comb as they revolve7 and immediately after the cutting operation has been performed.
Figure lis a vertical transverse sectional view, and Fig. 2 a plan view of my improved machine.
A is the frame; B, a crankshaft 5 and O, a horizontal supporting roller. D is a series of parallel annular blades or cutters; c, the washers separating them 5 and a, a nut clamping them on the shaft. b is-a thumb-screw in which one end of the shaft B is centered. O is a wooden supporting roll having a groove for each blade. d is a table, and e a gauge, adjustable laterally thereon. fis a slotted plate, which constitutes the comb or cleaners to the knives, and which incidentally guides them and prevents them from whipping.
lThe mode of operation is as follows The gauge being set to the width of the sheet of leather to be out, the leather is placed on table d and fed to the rotary cutters D. The strips, when out, have a tendency to work tight between the knives and to Wind around the shaft. To remove this difliculty my comb f then comes into important use, and strips the pieces of leather from the knives as fast as they are out.
Havingthus described all that is necessary to a full understanding` of my invention, what I claim as new, and desire to secure by Letters Patent, is-
In a strap-cutting machine7 the comb f, combined with a series of rotary knives, D, arranged to pass severally through the slots thereof, as and for the purpose specified.
The above specification of my invention signed by me this 6th day of September, 1870.
RICHARD GROOKER.
Witnesses:
W. E. SNELLING, F. OROCKER.
US119578D Improvement in strap-cutters Expired - Lifetime US119578A (en)

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US119578A true US119578A (en) 1871-10-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033064A (en) * 1959-01-12 1962-05-08 Filemon T Lee Support and stripper for cutter head in a paper shredding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033064A (en) * 1959-01-12 1962-05-08 Filemon T Lee Support and stripper for cutter head in a paper shredding machine

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