US389139A - Montier - Google Patents
Montier Download PDFInfo
- Publication number
- US389139A US389139A US389139DA US389139A US 389139 A US389139 A US 389139A US 389139D A US389139D A US 389139DA US 389139 A US389139 A US 389139A
- Authority
- US
- United States
- Prior art keywords
- knife
- cylinder
- edge
- planing
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 241000345822 Cylindera <genus> Species 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G13/00—Cutter blocks; Other rotary cutting tools
- B27G13/08—Cutter blocks; Other rotary cutting tools in the shape of disc-like members; Wood-milling cutters
- B27G13/10—Securing the cutters, e.g. by clamping collars
Definitions
- ALEXANDER C DUMONTIER, OF DETROIT, MICHIGAN, ASSIGNOR OF 'IlVO- THIRDS TO WILLIAM M. D ⁇ VIGHT AND FRANK M. LILLIBRIDGE, BOTH OF SAME PLACE.
- My invention relates to knives for planingmachines; and it consists in the novel features [0 of construction hereinafter fully described,aud
- Figure 1 is aside elevation;
- Fig. 2 an end elevation;
- Fig. 3 a plan view of the edge of a planing knife;
- Fig. 4 a perspective View showing the planing-knife in position on a cylinder.
- A represents a planing-machine knife provided with the ordinary slots, S S, for bolting the same to a cylinder
- B represents the cutting-edge of theknife.
- this cutting-edge instead of being parallel with the side surfaces of the knifebar, which would make it parallel with the sides of the cylinder when the knife is bolted in place, runs diagonally across the end of the knife-bar, either from corner to corner or at a somewhatgreater or less angle, as preferred, and it is formed by grinding away the sides of the bar in opposite direc o tions, as shown by the lines 0 D.
- the knife A is bolted to an ordinary planing-machine cylinder and is set in rotation, the cuttingedge will not all strike the board simultaneously, as is the case with an ordinary knife; but that portion of the edge which is nearest the surface of the knife in 5 contact with the cylinder will strike the board first and will be followed by the rest of the cutting-edge, thus giving the knife a drawing out, which causes it to do much smoother work than the ordinary knife, and also enables the feed to be increased without increasing the speed of the cylindera desirable result in planing-machines.
- a knife having its outting-edge formed diagonally across the end of the knifehar, secured to the cylinder with its cuttingedge all in the same rotary plane,substantially as and for the purpose set forth.
- a planing-machine knife having its out ting-edge B formed diagonally across the end of the knife with respect to the parallel side surfaces of the knife-bar A, said knife-barbeo ing longer on one side than the other, substantially as described.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacture Of Wood Veneers (AREA)
Description
(No Model.)
A. O. DUMONTIER.
KNIFE FOR PLANING MACHINES.
No. 389,139. Y Patented Sept. 4, 1888.
I'L'QHZ l'z'q g S A A 4 74552572955 25 IWV ML DI', ,ZQ CLCJDWMWJZM.
NITED STATES PATENT OFFICE.
ALEXANDER C. DUMONTIER, OF DETROIT, MICHIGAN, ASSIGNOR OF 'IlVO- THIRDS TO WILLIAM M. D\VIGHT AND FRANK M. LILLIBRIDGE, BOTH OF SAME PLACE.
KNIFE FOR PLANlNG-MACHINES.
SPECIFICATION forming part of Letters Patent No. 389,139, dated September 4, 1888.
(No model.)
To all whom, it may concern:
Be it known that I, ALEXANDER C. DU MONTIER, of Detroit, in the county of \Vayne and State of Michigan, have invented a new and useful ImprovementinKnivesforPlaning- Machines, of which the following is a specification.
My invention relates to knives for planingmachines; and it consists in the novel features [0 of construction hereinafter fully described,aud
then definitely pointed out in the claims.
In the accompanying drawings, Figure 1 is aside elevation; Fig. 2an end elevation; Fig. 3, a plan view of the edge of a planing knife;
Fig. 4, a perspective View showing the planing-knife in position on a cylinder.
A represents a planing-machine knife provided with the ordinary slots, S S, for bolting the same to a cylinder, and B represents the cutting-edge of theknife. As will be seen in Figs. 1 and 3, this cutting-edge, instead of being parallel with the side surfaces of the knifebar, which would make it parallel with the sides of the cylinder when the knife is bolted in place, runs diagonally across the end of the knife-bar, either from corner to corner or at a somewhatgreater or less angle, as preferred, and it is formed by grinding away the sides of the bar in opposite direc o tions, as shown by the lines 0 D. Of course when a knife with such an edge is bolted onto a cylinder with the ends of the knife bar at right angles to the axis of the cylinder it is necessary to make one side of the knife bar 5 longer than the other, as shown in Fig. 1, so that all parts of the cutting-edge B will be at the same distance from the center of rotation of the cylinder; or the same result may be attained by making the knife of equal length at each side and bolting it to the cylinder at such an angle therewith that all parts of the cutting-edge B will be in the same rotary plane.
I prefer to make these knives short, and for wide surfaces to fasten them alternately on 5 opposite sides of the cylinder, so as to cover the whole surface of a board in their rotation, rather than to make a single long knife, as in long knives the inclination of the cutting-edge is less than in a short knife.
\Vhen the knife A is bolted to an ordinary planing-machine cylinder and is set in rotation, the cuttingedge will not all strike the board simultaneously, as is the case with an ordinary knife; but that portion of the edge which is nearest the surface of the knife in 5 contact with the cylinder will strike the board first and will be followed by the rest of the cutting-edge, thus giving the knife a drawing out, which causes it to do much smoother work than the ordinary knife, and also enables the feed to be increased without increasing the speed of the cylindera desirable result in planing-machines.
I am aware that a cylinder has been placed at an angle across the bed of the planer, and 6 that a cylinder set at right angles with the planer has been twisted, the object in both cases being to set an ordinary knife at an angle with the board to be planed for the purpose of obtaining a drawing out; but this method 0 requires either a specially-constructed cylinder, or requires an alteration in the gear of a planing-machine, so that it is not adapted for use on ordinary planer-s as now built, while my invention may be put inany planer whose cylinders are at right angles with the feed without any changes in the gear.
WVhat I claim as my invention, and desire to secure by Letters Patent, is-
1. In combination with the cylinder of a planing-machine placed at right angles across the bed of the machine, a knife having its outting-edge formed diagonally across the end of the knifehar, secured to the cylinder with its cuttingedge all in the same rotary plane,substantially as and for the purpose set forth.
2. A planing-machine knife having its out ting-edge B formed diagonally across the end of the knife with respect to the parallel side surfaces of the knife-bar A, said knife-barbeo ing longer on one side than the other, substantially as described.
ALEX. O. DUMONTIER.
lVitnesses:
HENRY B. LOTHROP, E. HESSELBACHER.
Publications (1)
Publication Number | Publication Date |
---|---|
US389139A true US389139A (en) | 1888-09-04 |
Family
ID=2458119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US389139D Expired - Lifetime US389139A (en) | Montier |
Country Status (1)
Country | Link |
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US (1) | US389139A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2771108A (en) * | 1954-05-26 | 1956-11-20 | Quirk Machinery Company | Cutter for woodworking machine |
US20040155131A1 (en) * | 2000-05-08 | 2004-08-12 | Bardos Gary M. | Reducing machine rotor assembly and methods of constructing and operating the same |
US6880774B2 (en) | 2000-05-08 | 2005-04-19 | Morbark, Inc. | Reducing machine rotor assembly and methods of constructing and operating the same |
US20060196982A1 (en) * | 2005-03-03 | 2006-09-07 | Davis Devin R | Reducing machine rotor assembly and inserts therefor and method of constructing the inserts |
-
0
- US US389139D patent/US389139A/en not_active Expired - Lifetime
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2771108A (en) * | 1954-05-26 | 1956-11-20 | Quirk Machinery Company | Cutter for woodworking machine |
US20040155131A1 (en) * | 2000-05-08 | 2004-08-12 | Bardos Gary M. | Reducing machine rotor assembly and methods of constructing and operating the same |
US6880774B2 (en) | 2000-05-08 | 2005-04-19 | Morbark, Inc. | Reducing machine rotor assembly and methods of constructing and operating the same |
US7055770B2 (en) | 2000-05-08 | 2006-06-06 | Morbark, Inc. | Reducing machine rotor assembly and methods of constructing and operating the same |
US7624490B2 (en) | 2000-05-08 | 2009-12-01 | Morbark, Inc. | Reducing machine rotor assembly and methods of constructing and operating the same |
US20100096483A1 (en) * | 2000-05-08 | 2010-04-22 | Morbak, Inc. | Reducing machine rotor assembly and methods of constructing and operating the same |
US8113453B2 (en) | 2000-05-08 | 2012-02-14 | Morbark, Inc. | Reducing machine rotor assembly and methods of constructing and operating the same |
US20060196982A1 (en) * | 2005-03-03 | 2006-09-07 | Davis Devin R | Reducing machine rotor assembly and inserts therefor and method of constructing the inserts |
US7438097B2 (en) | 2005-03-03 | 2008-10-21 | Morbark, Inc. | Reducing machine rotor assembly and inserts therefor and method of constructing the inserts |
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