US540837A - Ors to the leland - Google Patents

Description

(No Model.) a sheets-sheet 1. H. M. LELAND &1 F. E. FERRIS.

TRIMMING MACHINE.

No. 540,837. Patented June 11, 1895.

WITNESSES .1 R R E m D Nm Mm Em L M H Patented June 11, 1895.

WITNESSES @2sfl%@ 2 UMTED STATES TENT rrrcii.

HENRY M. LELAND AND FRANK E. FERRIS, OF DETROIT, MICHIGAN, ASSIGN- ORS TO THE LELAND, FAULOONER & NORTON COMPANY, OF SAME PLACE.

TRlMMlNG-MACHINE.

SPECIFICATION forming part of Letters Patent No. 540,837, dated June 11, 189 5. I Application filed February 13, 1895. 3 1 No. 538,206. (No model.)

To aZZ whom it may concern: gib being vertically adjustable as by a set Be it known that we, HENRY M. LELAND screw f, and also laterally adjustable as by and FRANK E. FERRIS, citizens of the United means of a set-screw f, said set screws being States, residing at Detroit, county of Wayne, engaged in the slide frame. By means of 5 5 State of Michigan, have invented a certain this L-shaped gib made adjustable laterally new and useful Improvement in Trimmingand vertically, it is evident that the base of Machines; and we declare the following to the knife slide may readily be adjusted in be a full,clear, and exact description of the either direction as may be required. invention, such as will enable others skilled It is obvious thatin a machine of this charto in the art to which it appertains to make and acter it is essential that the knife slide should use the same, reference being had to the accarry the knives snugly against or with great i companying drawings, which form a part of accuracy adjacent to the corresponding edge 7 this specification. of the table A to insure perfect work. To I Ourinvention has reference to certain new effect the adjustment of the base of the knife 6 I5 and useful improvements in trimming maslide, we provide the l -shaped gib made adchines whereby their efficiency maybe greatly justable as hereinbefore stated. increased, the adjustment of various parts To adjust the upper portion of the knife thereof be rendered more convenientand acslide, the bridge D is preferably recessed, as curate, the strain on certain parts relieved, shown, to form the way D above referred to, 20 and whereby other advantages in constructhe bridge being thus formed with a front tion, operation, and results may be secured. flange 01 extending downward over the adja- Our invention contemplates and consists in cent face of the upper portion of the knife the general construction,combination and arslide. The upper edge of the knife slide is rangement of devices and appliances hereinformed on abevel as indicated in the draw- 25 after described and claimed and illustrated ings, and we provide, extending into the way in the accompanying drawings, in which D, an adjustable wedge G beveled on its lower Figure lis aview in perspective embodying surface to form a wedge faced contact with features of our invention. Fig. 2 is a partial the upper edge of the knife slide. The wedge plan of the bed or table with the gage located G is provided with an adjustable screw stem o thereupon. Fig. 3 isavertical section through 9 engaged in the bridge whereby the wedge a portion of the gage and table. Fig. 4 is an may be readily adjusted as required. inverted plan View of the gage, showing the The base of the knife slide 0 is formed on clamping-bolt in cross-section. Fig. 5 is a its under face with a rack bar as indicated at rear elevation of the trimming-machine. Fig. 0 with which meshes a driving gear H. Our 3 5 6 is an end View thereof. invention contemplates forming the rack bar We carryout our invention as follows: and locating the gear directly beneath the In the drawings A denotes a bed or table knives E E. By forming the rack bar and supported in any suitable manner, as upon a locating the driving gear immediately below standard A. the knives, it will be .apparent that there is 0 B represents a slide frame connected with no lateral strain exerted upon the knife slide, said table. in consequenceof which the knife slide may '0 is a reciprocatory knife slide, 0 reprebe more easily reciprocated than wherethe senting the base thereof. driving gear and rack bar are located at one D'indica'tes a bridge secured upon the slide side of the knives. This will be of obvious ad- 5 frame and forming a Way at the top of the' vantage as when a heavy cutis being made knife slide, as shown at D, in which the top especially. By our construction,however, we of the knife slide reciprocates. entirely avoid a lateral strain at this point. E and E are the knives secured to the knife The rack C is shown formed integral with the slide, as bybolts e. The base 0 of the knife base of the knife slide. It may however either to: 50 slide is made reciprocatory upon an L-shaped be made integral-therewith or secured thereto gib F supported upon the slide frame B, said in any desired manner.

11' denotes the bearing for the shaft II of the gear H, said bearing being extended laterally to the rear of the gear from the base of the slide frame. The gib F extends laterally from the rack and downward, concealing the upper portion of the gear.

J denotes a ratchet wheel provided with a hub J upon the rear end of the shaft H K denotes a weighted arm recessed as at to receive the ratchet Wheel J and its hub J. The upper end of the weighted arm is thus formed with the two lateral arms K K L is an operating lever fulcrumed on the arm K as shown at Z. The inner end of the operating lever L is constructed to engage the ratchet wheel J, as indicated atj, a spring L being employed to hold the lever in normal engagement with the ratchet wheel J.

By this construction and arrangement it will be understood that a fresh hold may be readily taken whenever desired by the operating lever upon the ratchet wheel J.

The arms K and K as shown, are mounted upon the shaft H the ratchet wheel J being located therebetween.

In operation it will be perceived that there is exerted an upward strain upon the knife slide by means of the gear 11 in contact with the rack bar C By engaging the wedge G firmly upon the upper edge of the knife slide it will be obvious that any upward strain upon the knife slide will have a tendency to crowd the knife slide more firmly against the flange at so as to carry the knives E E at all times closely in against the corresponding edge of the table A, while by means of the L-shaped gib F and its adjusting screws the base of the knife slide may also be readily forced in against the adjacent edge of the table A. Thus by means of the adjustable gib F and the adjustable wedge G we effectually provide a simple, ready, and accurate adjustmentv of the knife slide both vertically and laterally as maybe required to insure perfect work. Such means of adjustment of theknife slide is obviously of much importance to compensate for any wear and also for any sharpening of the knives. By these improved means of adjustment we are enabled to secure greater accuracy of adjustment than in machines of this class heretofore made.

M M represent gages located upon the table A, the two being of similar constru ction, except that the one is a right hand, and the other a left hand gage. These gages are each provided with an adjustable plate N which may be secured to the corresponding gage by screws n. To adjust the plate N we provide adjusting screws m projected laterally within the inner rib M of the gage, the screw having a conical shaped point, and the plate being beveled adjacent to the point as indicated at 12'. By thus arranging the adjusting screws m with their conical shaped points in contact with the beveled edge of the plate N, it will be seen that by simply loosening up the screws n the screws m may he set as required to accurately adjust the edge of the plate N.

As shown, the set screws m project to the outer edge of the adjacent portion of the gage so that they may at all times be readily reached. The orifices of the gage which re ceive the screws n may be made sufficiently larger than the screw, to permit the necessary adjustment of the plate N, as indicated at m.

\Ve prefer to cut away the under surface of the gages M as indicated in the drawings, so that the base of each gage shall be formed with a flange m at the under edges to insure a firmer seating of the gage upon the table A. It will be apparent that where the under surface of the gage is made fiat throughout, any dust or extraneous matter getting under the gage would have a tendency to make it unsteady in its location, which liability however is largely overcome or effectually prevented by forming the gages with a seating flange at the edge of the base thereof.

The base of the gage is also constructed with an are shaped groove indicated at M in which are secured correspondingly shaped ribs P P, said ribs projecting into the slot or recess M and downward therebeneath. These ribs are fitted snugly in place by screws 37. Practically they form a part of the gage and might be formed integrally therewith; but it is more convenient in the construction of the gage to form the ribs separately and secure them to the gage in the mannerdescribcd, by forming the gage with the slot M to receive the upper portion of said ribs. The slot M is made, as will be understood, with the outer edge of the plate N as the center on which the are is formed.

The bed or table A is formed with an are shaped slot for each of the gages M, said slot in the table being indicated at Q. The center from which each of the slots Q is formed corresponds to the center from which the recesses or slots M are formed. It is well understood by those skilled in the art that the slots Q are formed in the table A to provide for the accurate adjustment of the correspondinggage M from the common center which is at the very edge of the table adjacent to the knives. To provide for the adjustment of the gages M in the slots Q we construct said slots Q each with a fixed edge of suitable form at the front of the slot Q as at the edge a. The under surface of the table A immediately to the rear of each of the slots Q, is formed with a beveled surface, as indicated at 0.. Into each of the slots Q the ribs P of the corresponding gage project, the front faces of said ribs being trned accurately to correspond to the straight edge at a in front thereof when the ribs are in place in the slots Q. It represents a gib constructed with beveled upper face at the rear edge thereof accurately corresponding and fitted to the beveled face at a of the table.

M is a clamping bolt passed through a slot at m in the gage and through the correspond- IIO ing gib B, said bolt being provided with a nut M on its lower end beneath the gib R.

Upon the upper end of the bolt M is fulthe bevel or wedge shaped face a of the table, to clamp the gage M upon the table. It will be recognized readily that when the gib R is thus forced against the wedged face a of the table by the manipulation of the lever S, the ribs P P will be forced firmly against the edge at a in front thereof, in consequence of which the edge of the plate N will be set and held with the utmost accuracy, as is requisite at the edge'of the table A.

It is well known that if by any means the edge of the plate N were projected even to a very slight degree beyond the edge of the table A, the knives E E would come in contact therewith in their reciprocation, shearing off the edge of the plate Nan'd thereby also dulling or cutting away the edge of the knives, doing great damage to the machine. It becomes essential, therefore, that the edge of the plate N should be set at the edge of the table A with the utmost accuracy and without any liability whatsoever of its improper adjust ment. .Should the edge of the plate N, on the otherhand,be setundulyinward fromthe edge so the table, even to a slight degree, the work accomplished would be very imperfect and unsatisfactory, as the unsupported portion is left with a ragged or rough'edge, and a smooth out upon the work could not then be effected By our construction and arrangement of parts, however, we are enabled readily and conveniently and with the utmost accuracy to set the edge of the plate N in proper position without any liability whatever of its either being projected beyond the edge or short of the edge, and which we accomplish by means of the adjacent, correspondingly constructed faces of the ribs PP and theedge a of the slot Q, in connection with the adjacent beveled or wedge shaped faces of the gib R and the face a of the table, as hereinbefore explained. The front portion of the gib R is out of contact with the adjacent portion of the table A, leaving the gib free to move forward to allow the ribs P to contact firmly with the face a of the table.

Theupper face of the table, as is customary in machines of this class, is marked off with radial lines, at any desired angle, to fa- Y cilitate the setting of the gage as may be required.

What we claim as our invention is- 1. In a trimming machine, the combination of a table, a rigid slide frame, .a reciprocatory knife slide having its base located adjacent to the rear edge of the table, knives secured to the knife slide, and an adjusting device to adjust the base of said knife slide toward and from the rear edge of the table,'substantially as set forth.

2. In a trimming machine, the combination of atable, a rigid slide frame, a reciprocatory knife slide having its base located adjacent to the rear edge of the table, and knives secured to the knife slide, and means to laterally and vertically adjust said knife slide, substantially as set forth.

3. In a trimming machine, the combination of a table,'a slide frame, a horizontally reciprocatory knife slide having its base located adjacent to one edge of the table, and an adjustable L-shaped gib F at the base ofthe knife slide, whereby said slide may be adjusted, said gib extending horizontally underneath the base of the knife slide and vertically upward at the outer edge of thebase of the slide substantially as and in the manner described.

4:. In a trimming machine, the combination of a table, a slide frame, and a horizontally reciprocatory knife slide, the upper portion of the knife slide being laterally adjustable independently of the base of the slide, substantially as set forth.

'5. In atrimming machine,the combination of a table, a slide frame, a reciprocatory knife slide beveled at the top thereof, and a beveled faced wedge G adj ustably engaged in the slide frame bearing against the upper beveled portion of the knife slide, substantially as and for the purpose described.

6. In a trimming machine, .the combination of a table, a rigid slide frame located at one side of thetable, a reciprocatory knife slide having its base located adjacent to the edge of the table and provided with a rack beneath the knives, and 'a pinion between the slide frame and table below the rack meshing therewith, said rack and pinion being in the same vertical plane as the knife slide,'snbstantiall y as set forth.

7. In atrimming machine, the combination of a table, provided with an are shaped slot Q and having a beveled face a to the rear of the slot and adjacent thereto, a reciprocatory knife slide having its base located adjacent to one edge of the table, an oscillatory gage having an angular edge located adjacent to the edge of the table and provided with ribs shaped to correspond to the arc of said slot and projecting thereinto, a gib R below said slot, and a clamping bolt engaging said gib and gage with said table, said gib having a beveled rear face to contact with the beveled face a the front faces of said slot and of said movable forward along said beveled faces to force the front faces of said ribs firmly against the front face of the said slot when the clamping bolt is tightened, whereby the angular edge of the gagewill be held true to the edge of the table, substantially as set forth.

8. In a trimming machine, a gage provided with an inner ribM and an adjustable plate N beveled at its rear edge, screws 17. engaging said plate to said rib, and conical pointed adjusting screws at having their conical points in contact with the beveled rear edge of said plate whereby the plate may be adjusted by turning said adjusting screws, said screws 01 and m projecting laterally through said rib to the exterior thereof at right angles to the plate and parallel with one another, whereby the plate N may be adjusted without its removal from the gage substantially as set forth.

9. In a trimming machine, the combination of a table, a rigid slide frame at one side of the table, a reciprocatory knife slide having its base located adjacent to one edge of the table, and means at the top and base of the knife slide to adjust said knife slide independent of the slide frame, substantially as set forth.

10. In a trimming machine, the combination of a table, a slide frame provided at its base with a laterally extended bearing H, a reciprocatory knife slide provided with a rack therebeneath, a pinion meshing with said rack HENRY M. LELAND. FRANK E. FERRIS. Witnesses:

N. S. WRIGHT, MARY A. MARTIN.

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