US901626A - Rotating woodworking-cutter. - Google Patents

Rotating woodworking-cutter. Download PDF

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Publication number
US901626A
US901626A US38447307A US1907384473A US901626A US 901626 A US901626 A US 901626A US 38447307 A US38447307 A US 38447307A US 1907384473 A US1907384473 A US 1907384473A US 901626 A US901626 A US 901626A
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United States
Prior art keywords
cutter
knife
head
bit
rotating
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Expired - Lifetime
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US38447307A
Inventor
Charles F La Follette
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WALTER DU B BROOKINGS
Original Assignee
WALTER DU B BROOKINGS
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Publication date
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Priority to US38447307A priority Critical patent/US901626A/en
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Publication of US901626A publication Critical patent/US901626A/en
Anticipated expiration legal-status Critical
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27LREMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/005Tools therefor

Definitions

  • This invention relates to improvements in rotating cutter-knives.
  • the objects of this invention are to increase the efiiciency and durability of rotary cutters used for planing and molding machines, and to simplify the adjustment as well as the replacement of the blades.
  • Another object of my invention is to provide a cutter composed of parts separable from each other in order that as the bit becomes worn or broken or in any manner unfit for use, it can be replaced readily and quickly, while at the same time rendering the replacement compact, stable, and free from any vibration.
  • the invention consists in a two-part knife comprising a bit and bit-holder dove-tailed together face to face, bifurcated at one end and beveled toward one side at the other end, the sides of said knife being flat except at said beveled portion; the object being to provide for sharpening the bit or thin blade which is dove-tailed into the bit holder or backing, so that the knife is solid, free from vibration, and readily handled, inserted, adjusted, and withdrawn from the ordinary cutter-head.
  • Figure 1 shows an underside View of the knife
  • Fig. 2 is a transverse section on lines in -m Fig. 1
  • Fig. 3 is a top plan View
  • Fig. 4 a transverse section on lines m cc*, Fig. 3.
  • Fig. 5 is a perspective view showing the knife attached to a cutter head.
  • bit-holder 1 designates the bit-holder consisting of a bifurcated blade having on one face a longitudinal, dove-tailed groove 2 extending from end to end thereof to receive a bifurcated cutting blade forming the bit 8, the edges of which blade are beveled to fit the dovetail groove 2 of the bit-holder.
  • the edges of the furcations of the knife are parallel, thus to form between said furcations a straight slot 4 to fit a screw 5 the head of which extends over the furcations, and by means of which the knife is adjustably clamped to the rotary cutter-head 6 so that by loosening the screw the knife may he slid bodily forward or backward on the head as may be required, and may be removed entirely from the cutter-head; and the bit may be slid along the groove to adjust the cutting edge thereof relative to the edge of the bitholder.
  • the knife is arranged to be fixed or adjusted to the rotary cutter-head 6 which may be supplied with one or a plurality of knives, each knife being fixed to the head by suitable screws in the same manner as shown at 5 in Fig. 5.
  • the cutter blade portion or hit 3 extends beyond the forward portion of the backing or bit-holder 1, the two portions being beveled in an equal degree, the object of this arrangement being to provide for sharpening a thin blade without interfering with the backing while the knife remains solid, free from any vibration, and readily handled, inserted, adjusted, and withdrawn from the stock of an ordinary cutter head.
  • these lips or cutting edges are neces sarily reduced in length whenever sharpened, the release of the screw will allow the knife to be slid further out and will also allow adjustment of the bit along its holder until the length ofthe slotted portion a has been reached when, of course, the bit, and in time the entire knife is no longer useful. In case the bit wears out before its holder, a new bit may be applied to the holder.
  • a rotary head, a fiat cutter-head knife consisting in two blades dove-tailed together face to face, bifurcated at one end and beveled toward one side at the other end, and mounted on said cutter-head, and a screw in the cutter-head engaging the inside walls of the furcations of the knife, and provided F In testimony whereof, I have hereunto set with a head engaging said furcations. my hand at Highland California this 22nd 2.
  • a cutter-head knife consisting in two day of lVIay 1907. blades dove-tailed together face to face, bi- CHARLES F. LA F OLLETTE. 5 furcated at one end and beveled toward one In presence of side at the other end, the sides of said knife N.
  • G. VVI MS VVI MS

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Knives (AREA)

Description

UNITED STATES PATENT OFFICE.
CHARLES F. LA FOLLETTE, OF HIGHLAND, CALIFORNIA, ASSIGNOR OF ONE-HALF TO WALTER DU B. BROOKINGS, OF HIGHLAND, CALIFORNIA.
ROTATING WOODWORKING-CUTTER.
Specification of Letters Patent.
Application filed July 18, 1907.
Patented Oct. 20, 1908.
Serial No. 384,433.
To all whom it may concern:
Be it known that I, OrIAnLns F. LA FOL LETTE, a citizen of the United States, residing at Highland, in the county of San Bernardino and State of California, have invented a new and useful Rotating 'Wood working-Cutter, of which the following is a specification.
This invention relates to improvements in rotating cutter-knives.
The objects of this invention are to increase the efiiciency and durability of rotary cutters used for planing and molding machines, and to simplify the adjustment as well as the replacement of the blades.
Another object of my invention is to provide a cutter composed of parts separable from each other in order that as the bit becomes worn or broken or in any manner unfit for use, it can be replaced readily and quickly, while at the same time rendering the replacement compact, stable, and free from any vibration.
IVith these objects in view the invention consists in the features and details of construction, as well as in the combination of parts as will be described in connection with the accompanying drawing, and then be more specifically pointed out in the claims.
The invention consists in a two-part knife comprising a bit and bit-holder dove-tailed together face to face, bifurcated at one end and beveled toward one side at the other end, the sides of said knife being flat except at said beveled portion; the object being to provide for sharpening the bit or thin blade which is dove-tailed into the bit holder or backing, so that the knife is solid, free from vibration, and readily handled, inserted, adjusted, and withdrawn from the ordinary cutter-head.
In the drawing, Figure 1 shows an underside View of the knife; Fig. 2 is a transverse section on lines in -m Fig. 1; Fig. 3 is a top plan View; and Fig. 4 a transverse section on lines m cc*, Fig. 3. Fig. 5 is a perspective view showing the knife attached to a cutter head.
1 designates the bit-holder consisting of a bifurcated blade having on one face a longitudinal, dove-tailed groove 2 extending from end to end thereof to receive a bifurcated cutting blade forming the bit 8, the edges of which blade are beveled to fit the dovetail groove 2 of the bit-holder. The edges of the furcations of the knife are parallel, thus to form between said furcations a straight slot 4 to fit a screw 5 the head of which extends over the furcations, and by means of which the knife is adjustably clamped to the rotary cutter-head 6 so that by loosening the screw the knife may he slid bodily forward or backward on the head as may be required, and may be removed entirely from the cutter-head; and the bit may be slid along the groove to adjust the cutting edge thereof relative to the edge of the bitholder. The knife is arranged to be fixed or adjusted to the rotary cutter-head 6 which may be supplied with one or a plurality of knives, each knife being fixed to the head by suitable screws in the same manner as shown at 5 in Fig. 5.
The cutter blade portion or hit 3 extends beyond the forward portion of the backing or bit-holder 1, the two portions being beveled in an equal degree, the object of this arrangement being to provide for sharpening a thin blade without interfering with the backing while the knife remains solid, free from any vibration, and readily handled, inserted, adjusted, and withdrawn from the stock of an ordinary cutter head. Now as these lips or cutting edges are neces sarily reduced in length whenever sharpened, the release of the screw will allow the knife to be slid further out and will also allow adjustment of the bit along its holder until the length ofthe slotted portion a has been reached when, of course, the bit, and in time the entire knife is no longer useful. In case the bit wears out before its holder, a new bit may be applied to the holder.
Having thus described and ascertained the nature of my invention, what I claim is 1. A rotary head, a fiat cutter-head knife consisting in two blades dove-tailed together face to face, bifurcated at one end and beveled toward one side at the other end, and mounted on said cutter-head, and a screw in the cutter-head engaging the inside walls of the furcations of the knife, and provided F In testimony whereof, I have hereunto set with a head engaging said furcations. my hand at Highland California this 22nd 2. A cutter-head knife consisting in two day of lVIay 1907. blades dove-tailed together face to face, bi- CHARLES F. LA F OLLETTE. 5 furcated at one end and beveled toward one In presence of side at the other end, the sides of said knife N. G. VVI MS,
being flat except at such beveled portion. F. H. WELTON.
US38447307A 1907-07-18 1907-07-18 Rotating woodworking-cutter. Expired - Lifetime US901626A (en)

Priority Applications (1)

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US38447307A US901626A (en) 1907-07-18 1907-07-18 Rotating woodworking-cutter.

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US38447307A US901626A (en) 1907-07-18 1907-07-18 Rotating woodworking-cutter.

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US901626A true US901626A (en) 1908-10-20

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