US1413665A - Cutter head - Google Patents

Description

F. L. LANE AND F. R. WEAVER.

2 CUTTER HEAD. APPLICATION FILED MAR. 31, 1919. RENEWED MAR. a. 1920.

1,413,665. ed p .25,1922.

UNITED STATES PATENT caries] 'FRANKLINL. LANE AND FRANK R. WEAVER, or mm, Wr'scoivsInfAssIGNons no I. B. YATES acrame COMPANY, or 'ennorr, W sconsin, aooaroae'rioiv or wis- CONSIN.

CUTTER HEAD.

Specification of Letters Patent.

Patented Ap '25, 1.922.

Application filed March 31, 1919, Serial No. 286,282. Renewed March 8, 1920. Serial N0. 364,247.

To all whom it mag/concern:

vBe it known that we, FRANKLIN L. LANE and FRANK R. lVEAvnR, citizens of. the

United States, residing at Beloit, in the county of Rock andv State of Wisconsin, have invented certain new and useful Improvements in Cutter Heads, ofwhich the following is a specification.

This invention relates to wood-working machinery and to cutter heads of the type disclosed in ourco-pending application Serial No. 184,137, and has particular reference to the'provision of a peculiarly efficient mounting for the peripheral tools of a cutter head, although adaptable for use in the mounting of the tools-upon aside face.

In order that the invention may be readily vUIIdGIStOOCl by'those skilled in the art, a preferred embodiment of the same is set forth in the: accompanying drawings and in the description based thereon. As, however, the

invention is susceptible of embodiment in .other and varied constructional forms depending upon the material and the nature of I the work to be performed, the drawing and description'are to be taken in an illustrative and not in an unnecessarilylimlting .1 sense. In the drawings- "Fig. 1- is a fragmentary side elevation ofga cuttenhead adapted to the mountingofthe invention; 5 r Fig. 2 is a fragmentary section in the plane of the cutter head taken through the mounting of the invention; i

;Fig. 3 is an edge view of Fig. 2 from the posit-ion indicated by thelines3-3; and p Fig.4 is a 'detailperspective view of the gib, employed.

Havlng particular reference tothe drawing, the cutterhead 11 is herein shown as @provided in its side facewith the same provision for mounting the side cutting tools q 27- within which the collar plays.- llhe ends shown in our co-pending application above knivesfand indicated by the reference numeral 13, theedge face of the cutter head is provided with a slot 1 1 which is preferably disposed at an oblique angle to theradius of ,the head or to the face thereof and. also at i an oblique angle to the plane. of retation of the head. .This slot extends for a limited dis similar tool.

vtance below the surface andis intendeol fo'r the reception of the tool. 13 and for the gib 15. Asthe gib isnot always employed, the

tated by convenience and economy, renewah.

sharpening, etc. They cooperate as onepiece with the clamping devices hereinafterto be described.

Alongside the slot 14 and substantiallyparallel therewith is a preferably cylindrical --bore 16, one curved side of which-cuts thev slot 1 1. This bore 16 extends somewhat deeper than the slot 14 and may beprojvided with theconical bottomportionl'i. v

The. second preferably cylindrical bor 18' is providedin the cuter head perpendicular-to and intersecting the bore 16 or equivalently connected therewith by the restricted cylindrical angularly adjustable plug or seat'mem'ber 19 provided with a transverse aperture 20 which is interiorlyv screw continuation of the bore '16 re'presented threaded. Within the bore 16;,is;mountedc* a screw plug 21 having itsthre'aded portion --entering the threaded aperture 20 of the plug119 and provided with asquared head for operation by means of a wrenchpr screw plug 21 is a collar 22 cut away at R-otatably disposed upon the,

operation "with a 'similar-beveled wedge face 241 of the gib 15. The'screw bolt'21 is provided with a shoulderedfportion 25 bearing -1:

downwardly upon the col'lar.22'andthe gib 15 is provided with positioning portions26 providing therebetween a recessed portion of the gib115 or, when used inconnection with} a tool 13 arranged obliquely to the plane of rotation, that end of the gib adjac essedor cut away at.- 28 toprovide clear .100 -cent the leading end of; the tool 13 is reance space for the chips, cooperating in this regard with the ,recessedportion' 29 on the side face of the cutter head.

.i It is a common experience that when the cuter head and its tool mountin have been S in use iorseine time the threadfi connection between the adjusting set screws and the cutter head become worn and inefiicient; also that bits of metal or wood or other foreign matter dropinto the threaded aperture for the bolt and prevent proper seating of the set screw and, becoming jammed therein,

are difiicult of removal; also the laying out of the slot, the threaded bores for the set screw, the beveled coacting surfaces of the set screws and gibs or tools, and other cooperating constructional features, if faulty in any respect, result in an inaccurate hearing of the one part upon another and consequent impairment of the mounting. To guard against such difficulties and to render innocuous slight irregularities in construction, has been an important consideration in the devising of the present mounting. It will be observed that providing a threaded plug 18 for cooperation with the screw bolt 21 enables such threaded plug to be renewed as often as may be desired in order to preingwedge-bearing surfaces between itself andthe gib 15. The difficulty of tapping the bottom of a deep bore within the cutter head is obviated, the general construction is simplified and rendered practically immune from carelessness and inaccuracies on'the part of workmen,

We claim: 7

'1. A tool mounting comprising a cutter head provided with a slot opening to a working face thereof, a-bore at one side of the slot, and a second bore transversely intersecting the first bore, a removable member disposed within the slot, a screw plug rotatably mounted in the first bore, an angularly adjustable plug disposed within the second bore with its axis extending transversely of the screw plug and provided transversely of its axis with an interiorly threaded aperture for cooperation with the screw plug, the screw plug and removable member having cooperating wedge surfaces.

2. A tool mountlng comprislng a cutter 7 head provided with a tool-receiving slot opening to a working face thereof, a bore parallel to the slot and cutting the 'marginal portion thereof, and a second bore transversely intersecting the first bore, a tool disposed within the slot, a gib alongside of and bearing on the tool, a'sc'rew plug arranged fo'r angular movement in the first bore, a sleeve rotatable on the screw plug,

and an angularly adjustable plug disposed the gib having cooperating wedge surfaces.-

3. A tool mounting comprising a cutter head provided with a slot opening to a work ing face thereof and at anoblique angle to said face and to the plane of'rotation of the head, a bore at one side of the slot andcutting the marginal portion thereof, and a second bore intersecting the first bore transversely, a removable member disposed within the slot, a screw plug in the first bore, a seat member rotatably retained within the second 'bore and provided transversely of its axis with an interiorly threaded aperture for re- 7 ception of the screw plug, the screw plug and removable member having cooperating wedge surfaces.

1. A tool mounting comprising a cutter head provided with a slot opening to a working face thereof and at an oblique angle to said face and to the plane of rotation of the head, a bore at one side of the slot and cutting the marginal portion thereof, and a second bore intersecting the first bore transversely, a tool disposed within the slot, a gib alongside of and bearing on the tool, a screw plug in the first bore, a sleeve rotatable upon the screw plug, a plug rotatably mounted within the second bore and provided transversely of its axis with an interiorly threaded aperture for the reception of the screw plug, the sleeve and the ing wedge surfaces.

5. A tool mounting comprisinga cutter head provided with a tool-receiving slot opening to its peripheral working face, a

bore at one side of the slot and cuttingthe gib having cooperat marginal portion thereof, and a second bore transversely intersecting the first bore, the first bore opening to the periphery of-the tool head and the second bore opening to the 7 side face thereof, a tool disposed within the slot, a rotatable screw plug in the firstpbore,

an angularly adjustable plug disposed'within the second bore and provided transversely of its axis with an interiorly threaded aperture for the reception of the screw plug, and

wedge elements interposed between the screw plug and tool whereby the thrust. of the screw plug is transmitted to the tool as a clamping action.

6. A tool mounting comprising a cutter head provided with a tool-receiving slot opening to its peripheral working face, and

at an oblique angle to the peripheral face and also to the plane of rotation ofthe head, a bore at one side of the slot'and cutting the marginal portion thereof, an'da second bore alongside of and bearing on the tool and having an oblique face, a screw plug movable longitudinally and angularly in the first bore, asleeve rotatable on the screw head and having lateral bearing on the wall of said bore and an. oblique ,face cooperating with that of the gib, an angularly adjustable plug disposed within the second bore and provided transversely ofits axis with an in-. teriorly threaded aperture for the reception of the screw plug. i

7. A tool mounting-comprising a .eutter head provided with a tool-receiving slot opening to a working face thereof, a bore extending into the cutter head in a general radial direction adjacent the tool-receiving slot, and a second bore intersecting the first bore, a removable member disposed within the slot, a screw plug movable angularly and.

longitudinally in the first bore, a seat member movably retained within the second bore and provided with an interiorly threaded aperture for the reception of the screw plug, said seat member beingmovable about an axis which is transverse of the-axis of the screw plug, the screw plug and removable member having engaging faces whereby the thrust of the former is utilized to clamp the latter in place. I

8; A tool mounting comprising a cutter head providedwith a, bore extending into said head in a general radial direction and a second boreintersecting the first bore, a

screw plug movable angularly in the first bore and operable from the peripheral side 01- the head, a seat member retained within the second bore and havingv adjustable engagement with the screw plug, said seat member being movable to accommodate an gular movement of the screw plug, a tool carried by the head, and wedge elements inter- V posed between the screw plug and tool and having lateral bearing against a portion of the head whereby the thrust of the screw plug is utilized to exert a clamping action upon the tool.

In testimony whereof We have hereunto signed ournames in the presence of two subscribing witnesses.

FRANKLIN L. LANE.

FRANK R. WEAVER.

Witnesses: JOHN G. LAMBERT, A. D. TELFER.

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