US1397014A - Rotatable tool-carrier for planing-machines, &c. - Google Patents

Rotatable tool-carrier for planing-machines, &c. Download PDF

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Publication number
US1397014A
US1397014A US327029A US32702919A US1397014A US 1397014 A US1397014 A US 1397014A US 327029 A US327029 A US 327029A US 32702919 A US32702919 A US 32702919A US 1397014 A US1397014 A US 1397014A
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Prior art keywords
tool
carrier
planing
machines
members
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Expired - Lifetime
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US327029A
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Joseph W Oliver
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Joseph W Oliver
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Priority to US327029A priority Critical patent/US1397014A/en
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    • 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
    • B27G13/02Cutter blocks; Other rotary cutting tools in the shape of long arbors, i.e. cylinder cutting blocks

Description

J. W. OLIVER.
ROTATABLE TOOL CARRIER FOR PLANING MACHINES, m. APPLICATION FILED SEPT-Z9, l919..
1 ,3 97,0 1 4., Patented Nov. 15, 1921 J17; 2/1} 71f Olive r iiniran stares PATENT oerce JOSEPH OLIVER OF GRAND RAPIDS, MICHIGAN.
ROTATABLE TOOL-CARRIER FOR PLANING-MACHINES, &C.
Specification of Letters Patent.
Patented Nov. 15, 1921.
Application filed September 29, 1919'. Serial No. 327,029.
riers for Planing-lt lachines &c., of which the following is aspecification.
The present invention relates to rotatable tool-carriers for planing machines and the like, and its object is to provide a tool-carricr of that character which may be easily and economically manufactured, may be readily adapted to different service conditions and which will be particularly efficient in service.
This object is attained by the structure hereinafter described and illustrated by the accompanying drawings, in which 1 Figure 1 is an end view of a rotatable toolcarrier for a planing machine;
2 is a side view of a portion of the same; a
3 is an end view of a blank used in making pairs of tool-clamping members of such a carrier;
Fig. 1 is an end view of such a tool-clamp ing member; and
Fig. 5 is an inner side view of the same.
lnthe embodiment of my invention chosen for illustration by the drawings and for detailed description in the body of this specification, the elongated body member 1 of the rotatable tool-carrier has formed at its ends means for mounting it rotatably, as the journals 2. This body member has one or more (two in the construction illustrated) table portions 3, being flat surfaces on which lie the tools. as the plane bits or irons 1, and also has adjacent the opposite sides respectively of each such table portion, a first recess 5 and a second recess 6, such recesses being continuous grooves or depressions extending in the longitudinal direction of the bod;- member as shown.
This body member may be made in various ways: It may be a casting, or it may be made by rolling a suitable metal bar or blank lengthwise through a rolling mill, whereby the table portions and the recesses are formed by suitably shaped rollers of the mill. The table portions are machined or dressed down to a sufficient degree to pro vide a surface of flat or plane form and at a proper distance from the axis of the body member to receive the tool or plane bit. The
tool-clamping members 7 are adapted to co-.
'operatewith the body member 1 of the toolcarrier to. clamp the tools 4 between said members, and. to that end they are provided with orifices 8 therethrough adapted to receive the shanks of bolts 9 threaded in the body member as shown. a The outer portions of these orifices are enlarged at 10 to receive the heads of such bolts. These tool-clamping members 7 desirably have concave inner surfaces 11. and plane portions 12 adjacent the. bolts orifices 8, which plane surfaces disposed at the opposite ends of each concave surface portion 11 and extending in the transverse direction of the tool-carrier are adapted to contact with the tools when the same are clamped in the tool-carrier. It is desirable that thetool-clamping member 7 shall clampingly engage the tool near its cutting edge (2. adjacent the first recess 5) more tightly than said tool is thus engaged farther back from its cutting edge, as towardthe clampingbolts 9. To effect this end,the tool-clamping members are provided with rearward portions 13 adapted to abut against that side is of the second recess 6, which side is remote from the tool: the inner surface of the toolclamping members at 15 engaging the tools near their cutting edge and the rearward abutting portions 13 of the tool-clamping members engaging the sides 1.4 of the second recesses 6 tightly under the action of the bolts, before such bolts (located between said tightly engaging portions of the tool-clamping members) are turned sufficiently to press or spring the plane surfaces 12 of said members into close engagement with the tools more rearwardly from their cutting edges. To provide for a proper formation of the rearward portion of the toolclamping member, the edge of its said portion 13 (as such member is first formed) de sirably extends farther than necessary to accomplish the end above described and is I thereafter cut or dressed down sufiiciently to enable the members 1 and 7 to securely clamp the tool between them in the manner described.
This tool-clamping member 7 may be made in various ways: It may be a casting, or a drop forging; desirably such members are to be made in pairs by forming an elongated blank QO-(seen in 3) substantially circular in crosssection and with a longitudii nally disposed wide groove 21 extending inwardly beyond the axis of the blank. The
. be used in the tool-carrier.
turned down for the same purpose.
blank may then be severed longitudinally.
midway between the sides 22, 23 of said groove, as on the line 24 1n said figure. Such severlng provides a pair of tool-clamping members, whose rearward abutting edges now cut or turned down in ala-the to the desired diameter, such periphery when such turning operation is finished being shown at. 26 in Fig. 1. It'will be seen that inasmuch as the filler piece is somewhat thicker than the tool to be used in the tool-carrier, the tool clamping member will more tightly clamp the tool near its cutting edge than rearwardly therefrom when the tool is held.
between the members 1 and 7. The body member 1 may be formed in initial or rough form to extend beyond its finished periphery 26, such extensions being shown in dotted lines at 27 in Fig. 1. Dotted arcuate lines 28 in said figure illustrate the degre'esto which the body member may be turned or dressed down to provide a' tool-carrier of desired diameter; and dotted arcuate lines 29 in Fig; 3 illustrate degrees to which the tool-clamping member may be dressed or The dotted lines 80 in Fig. 1 illustrate position of the surface of the table portions 3 to which such portions may be out or dressed to accommodate tools of greater thickness.
Suitable openings 40 are provided through which a tool may be thrust to adjust the position of the plane bits.
The processes or methods whereby the above described structure may be manufactured are made the subject of my divisional or separate application Serial Number 156,155 filed March 28th, 1921.
recesses adjacent opposite sides respectivelyof the table portion; a tool-clamping member cooperating with the table portion to clamp the tool therebetween, and having a concave inner surface, orifices to admit clamping means, and plane inner surfaces aojacent said orifices disposed at the opposite ends of said concave inner surface and extending in the transverse direction of the tool-carrier; clamping means extending through said orifices for clamping said members together with the tool between them.
In testimony whereof I have hereunto set my hand at Grand Rapids, Michigan, this 26th day of September, 1919.
JOSEPH W. OLIVER.
US327029A 1919-09-29 1919-09-29 Rotatable tool-carrier for planing-machines, &c. Expired - Lifetime US1397014A (en)

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US327029A US1397014A (en) 1919-09-29 1919-09-29 Rotatable tool-carrier for planing-machines, &c.

Applications Claiming Priority (1)

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US327029A US1397014A (en) 1919-09-29 1919-09-29 Rotatable tool-carrier for planing-machines, &c.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537493A1 (en) * 1982-12-14 1984-06-15 Bosch Gmbh Robert KNIFE CYLINDER NOTABLY FOR A HAND-MACHINING MACHINE
US4749014A (en) * 1986-06-26 1988-06-07 Black & Decker Inc. Cutterhead for a power planer
US5398739A (en) * 1993-05-12 1995-03-21 Ryobi America Corporation Rotary cutting head assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537493A1 (en) * 1982-12-14 1984-06-15 Bosch Gmbh Robert KNIFE CYLINDER NOTABLY FOR A HAND-MACHINING MACHINE
US4749014A (en) * 1986-06-26 1988-06-07 Black & Decker Inc. Cutterhead for a power planer
US5398739A (en) * 1993-05-12 1995-03-21 Ryobi America Corporation Rotary cutting head assembly

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