US301775A - thompson - Google Patents

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US301775A
US301775A US301775DA US301775A US 301775 A US301775 A US 301775A US 301775D A US301775D A US 301775DA US 301775 A US301775 A US 301775A
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Prior art keywords
cutter
head
cutters
cutting
shaft
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/006Details of the milling cutter body
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27GACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G13/00Cutter blocks; Other rotary cutting tools
    • B27G13/08Cutter blocks; Other rotary cutting tools in the shape of disc-like members; Wood-milling cutters
    • B27G13/10Securing the cutters, e.g. by clamping collars

Description

(ModeL) N. W. THOMPSON.

CUTTER HEAD.

Patented. July 8,1884.

It Pm MUM f. Wm B. C.

v UNITED- STATES NAPOLEON W. THOMPSON, OF ST. LOUIS, MISSOURI.

CUTTER-HEAD.

$FBCIPICATION forming part of Letters Patent No. 301,775, dated July 8, 188%.

(Model) To all? whom it may concern;

' Be it known that I, NAPOLEON W. Tuoiue star, of the city of St. Louis, in the State of Missouri, have invented a certain new and useful Improvement in Rotary Cutter-Heads, of which the followingis a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification.

My invention relates to those cutter-heads in which the cutting-blades or cutters are arranged obliquely to the shaft on which they are mounted, and their edges are arranged to cntfroiu their shorter sides toward their longer sides with a shaving or shear cut, with the grain of the material operated upon instead of against it.

Myiniprovcment consists in a cutter-head having two or more cutters with edges proj ecting fartherfrom the cutter shaft or axis atone edge than at the other, and with the cutters set obliquely upon the head-sections of the shaft, in such manner that the shorter side of the cutter shall be in advance of the longer side to such a degree that in forming transverse cuts in wood the cut shall not be against the grain, but with it, the longer side of the cutting-blade of one head-section being contiguous to or overlapping the path of the longer side of the cutting-blade of the next head-section of a pair of head-seotions,-whosc cutting blades are arranged with opposite obliquity, so as to cut the oppositesides of a single groove or channel alternately, so that each cutter clears the way for the other by cutting to the bottom of the groove or channel. By the. duplication of cutters I make a cutter-head that will do thatwhich has not heretofore been accomplished-that is, I make a smooth groove or channel transverse to the grain of the wood by a single passage and with flat bits.

Heretofore, it is believed that in forming any grooves or channels by means of rotary cutter heads a similarly shaped cutter or projection on a cutter has always been used. Now, it will be seen that as the work is fed to the cutter the out is made from the inside or bottom of the groove or channeloutward, and consequently against the grain of the wood, thus making a rough face, as the cutter tends to tear the wood. This difficulty is overcome by making the cutter for cutting the two sides of the groove in two or more parts,andinclining them inoppositedirections, and projecting in different direct-ions from the shaft, and with the short sides of the cutters set in advance, so that the cut is not made against the grain, and each cutter clears the way for the other by cutting to the middle of the groove.

In illustrating my invention I show a cutterheadconsisting ofa number of sections, each carrying two similarlyshaped cutters, so that each section is balanced upon the cutter-shaft. The head shown is suited for forming the heads of wooden palings.

Figure 1 is a side view of the cutter-head, showing one set of cutters vertical and the other set horizontal; and Fig. 3 is a similar view, except that the cutters are shown in the reverse positions. Fig. 2 is a transverse sec tion at 2 2, Fig. 1, showing the cutter-head in end View. Fig. 4 is a transverse section at 4 4, Fig. 3. Figs. 5 and 6 are diagrams showing, respectively, the paling-head before and after shaping. Fig. 7 is a section of paling, showing the action of a cutter, the latterbeing in elevation.

A is the cutter-shaft, tu rni n g in bearings upon any suitable frame or table. 13 are anumber of head-sections upon the shaft and secured to it by set-screws G, or other means.) Each section is shown as carrying two cutters of similar form and arrangement. The cutters are made in two sets, I) and E, the cutters D forming those sides, f, of the grooves F which are nearest to the foot of the paling G, and the cutters E forming the opposite slopes or sides, f, of the grooves.

the head by screws H,'or in any suitable way. The longer side of each cutter is marked Z, and the shorter side 3. The cutters are set obliquely upon the head-sections in such a way that the short side 8 of the cutter is in advance of the long side Z, for the purpose before explained.

I claim- In a rotary cutter-head, the combination of a shaft, A, head-sections B, secured to said shaft, cutting-blades formed with one long edge, Z, and one short edge, 8, and inclined cutting-edge extending from the short edge to The cutters are secured to the long edge, the cutting-blades being ar'- Vance of the long edges, and each cutting- 10 ranged in pairs D E on the head-sections, a blade clearing the way for the other cuttingpair for each groove to cut the opposite sides blade by cutting to the bottom of the groove of the groove, each cutting-blade having its with the grain from opposite sides of the 5 short edge nearer to the shaft than the long groove, as set forth.

edge, and each pair of head-sections located NAPOLEON WV. THOMPSON. side by side to permit the long edges to Work In presence of in the same or adjacent planes alternately, the SAML. KNIGHT,

1, short edges to work into the material in ad- GEO. H. KNIGHT.

US301775D thompson Expired - Lifetime US301775A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760685A (en) * 1971-11-03 1973-09-25 Dominion Eng Works Ltd Adjustable profile cutter means
US5357903A (en) * 1993-03-18 1994-10-25 Christopher Rivera Retrofittable submerged terrarium for an aquarium
WO2004028764A1 (en) * 2002-09-26 2004-04-08 Key Knife, Inc Method and apparatus for planing an article of wood
US8505257B2 (en) 2008-01-31 2013-08-13 Valinge Innovation Ab Mechanical locking of floor panels
US8627862B2 (en) * 2008-01-31 2014-01-14 Valinge Innovation Ab Mechanical locking of floor panels, methods to install and uninstall panels, a method and an equipment to produce the locking system, a method to connect a displaceable tongue to a panel and a tongue blank
US8713886B2 (en) 2009-01-30 2014-05-06 Valinge Innovation Ab Mechanical lockings of floor panels and a tongue blank
US20140290173A1 (en) * 2011-07-29 2014-10-02 Hamberger Industriewerke Gmbh Connection for elastic or panel-type components, profiled slide, and floor covering
US9194134B2 (en) 2013-03-08 2015-11-24 Valinge Innovation Ab Building panels provided with a mechanical locking system

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760685A (en) * 1971-11-03 1973-09-25 Dominion Eng Works Ltd Adjustable profile cutter means
US5357903A (en) * 1993-03-18 1994-10-25 Christopher Rivera Retrofittable submerged terrarium for an aquarium
WO2004028764A1 (en) * 2002-09-26 2004-04-08 Key Knife, Inc Method and apparatus for planing an article of wood
US9340974B2 (en) 2008-01-31 2016-05-17 Valinge Innovation Ab Mechanical locking of floor panels
US8505257B2 (en) 2008-01-31 2013-08-13 Valinge Innovation Ab Mechanical locking of floor panels
US8627862B2 (en) * 2008-01-31 2014-01-14 Valinge Innovation Ab Mechanical locking of floor panels, methods to install and uninstall panels, a method and an equipment to produce the locking system, a method to connect a displaceable tongue to a panel and a tongue blank
US10006210B2 (en) 2008-01-31 2018-06-26 Valinge Innovation Ab Mechanical locking of floor panels
US8713886B2 (en) 2009-01-30 2014-05-06 Valinge Innovation Ab Mechanical lockings of floor panels and a tongue blank
US9540826B2 (en) 2009-01-30 2017-01-10 Valinge Innovation Ab Mechanical lockings of floor panels and a tongue blank
US9309679B2 (en) 2009-01-30 2016-04-12 Valinge Innovation Ab Mechanical lockings of floor panels and a tongue blank
US10214915B2 (en) 2009-01-30 2019-02-26 Valinge Innovation Ab Mechanical lockings of floor panels and a tongue blank
US9121181B2 (en) * 2011-07-29 2015-09-01 Hamberger Industriewerke Gmbh Connection for elastic or panel-type components, profiled slide, and floor covering
US20140290173A1 (en) * 2011-07-29 2014-10-02 Hamberger Industriewerke Gmbh Connection for elastic or panel-type components, profiled slide, and floor covering
US9482012B2 (en) 2013-03-08 2016-11-01 Valinge Innovation Ab Building panels provided with a mechanical locking system
US9945130B2 (en) 2013-03-08 2018-04-17 Valinge Innovation Ab Building panels provided with a mechanical locking system
US9194134B2 (en) 2013-03-08 2015-11-24 Valinge Innovation Ab Building panels provided with a mechanical locking system

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