US841236A - Tobacco-cutter. - Google Patents

Description

PATENTED JAN. 15, 1907.

N. DU BRUL.

TOBACCO CUTTER.

APPLICATION FILED FEB.15, 1905.

4 SHEETS-SHEETI.

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No. 841,236. PATENTED JAN. 15, 1907. V

N. DU BRUL. TOBACCO CUTTER.

APPLICATION FILED FEB. 15. 1905.

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PATENTED JAN. 15,1907.

' N. DU BRUL. TOBACCO 00mm. APPLICATION FILED 313.15. 1905.

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WITNESSES: I,

THE NORRIS PETERS co" WASHINGTON, n. c.

UNITED STATES PATENT OFFICE.

Specification of Letters Patent.

Patented Jan. 15, 1907.

Application filed February 15, 1905- Serial NO. 245,761.

To all whom it may concern."

Be it known thatI, NAPoLEoNDU BRUL, a citizen of the United States, and a resident of Cincinnati, in the county of Hamilton and State of Ohio, have invented certain new and useful Improvements in TobaccoCutters, of which. the following is a specification.

This invention relates to continuous-feed tobacco-cutters; and it has for one of its objects to" so mount the upper feed-rollers in such a tobacco-cutter that the rollers will be independently self-adjusting, so that ,the rollers in advance of the last roller, which are first encountered by the tobacco, may yield without materially reducing the ressure of the last roller adjacent to the kni e and said last roller may adapt itself to the thickness of the body of tobacco and exert proper compression thereon without materially,,affecting the function of the rollers in advance of it, the arrangement thereby giving a positive well-compressed feed of the tobacco.

A further object is to provide a continuous tobacco-cuttingmachine having a draw out, and especially a draw out with a knife that recedes from the shear-plate or mouth of the cutter.

Other objects and advantages will appear in the following description, and all the novel features of the invention will be particularly pointed out in the appended claims.

In the drawings, Figure 1 is a side elevation of one embodiment of my invention. Figs. 2 and 3 are respectively detail front and side elevations of this embodiment of cutting mechanism. Figs. 4 and 5 are respectively -a vertical section and a top plan of the feeding mechanism. Figs. 6, 7, 8, and 9 are detail views of the feed-rollers mountings. Fig. 10 is a front elevation of another embodiment of the cutting mechanism; and Fig. 11 is a view, partly in section, illustrating the mounting of the knife shown in Fig. 10.

The means for imparting a continuous drive to'the feed-rolls and varying the speed of said rollsv relative to, the cutting stroke, thereby regulating the size of the cut, is preferably the same as described in my previous application, Serial No. 228,543, and may be as follows: A belt (not shown) is passed around tight and loose pulleys 1, mounted on a cranked drive-shaft 2 on the frame 3. The drive-shaft 2 carries a fly-wheel 4 and a small pinion 5, removable to permit a change of the gear of the machine. This pinion 5 meshes with the larger pinion 6 of a low er or intermediate reducing gear journaled on spindle 7, adjustable in the swinging end of an arm 8, the other end of which is j ourn'aled on a roll-driving shaft 9, extending transversely of the frame 3. The swinging arm 8 is held in various positions, depending on the size of the gear of the machine, by means of a slotted extension 10, through which works a clamping-bolt 11. The smaller pinion 12 of the lower reducing-gear meshes with a large gear 13 on one end of roll-driving shaft 9 and communicates the rotation of the drive-shaft 2 to said shaft 9. On the opposite end of roll-driving shaft 9 is a pinion 14, which communicates motion, through pinions 14 14 and 14 on the shafts of lower feeding-rolls 15 and pinion 14 between inions 14 and 14, to the lower feeding-r01 s 15 to cause said rolls to rotate in the same direction and to rotate shaft 16, on one end of which the pinion 14 is mounted. Around the first feedroll 15 passes a conveyer-belt 17, mounted in the bottom of the feed-trough 18 and passing around a roller 19, which is mounted in adjustable bearings at the extreme forward end of the trough 18.

Compressing the t0bacc0.The shaft 16 has mounted at its other end a small pinion 20, which communicates motion to a gear 21, journaled at 22 above the front feed-roller 15. A pair of swinging frames 23 are journaled in axial alinement with the journal 22 and extend toward the outlet of the machine, being connected at their outer ends by feedroller shaft 24. This feed-roller shaft carries the last feed-roller 25' of the upper series that is, the feed-roller nearest the cutting mechanism, to be hereinafter describedand has journaled thereon a pair of members 26, constituting the upper front roll-carrying frame. In the members 26 are journaled the front feed-rolls 27, which are geared to one another by pinions 27 and 27 b on their shafts and by pinion 27 interposed between the pinions 27 a and 27 The swinging front feed-roller 27, adjacent the last upper feedroller 25, is geared, by means of a pinion 27 to a pinion 25 on the shaft 24, while the shaft 24 receives its power through the meshing of the pinion 25 on said shaft 24 with the gear 21. Thus it will be seen that owing to the feed-roller 25 moving in an arc concentrio with the circumference of the gear 2 1 and carrying the upper front feed-rolls 27 are held together by tie- rods 28 and 28, rod 28 being extended at one end to provide a journal for the pinion 27, while tie-rod 28 is extended at both ends, each end suspending one of the two depending links 29 and one end carrying in addition the pinion 27 The lower ends of the links 29 are connected to intermediate points in an approximately Y- shaped frame 30, which is pivoted'at 31 to the frame 3 and has adjustable on its free end a weight 32, which acts on the whole series of upper rolls through the medium of the Y- shaped frame 30, the links 29, frame 26, and

levers 23. Obviously but one upper roll might be used in advance of the last roll instead of two, though two such rolls are preferable for machines of larger capacity.

From the foregoing description of the compressing means it will be understood that thereis entire independence between the last roll and the roll or rolls in advance thereof in their vertical self-adjustment, and the vertical yielding of either does not materially change the compression of the other.

Cutting.-The tobacco is fed under compression by the upper and lower feed-rolls to the mouthpiece 33, which is provided with a stationary shear-blade 34, over which is adapted for travel a knife 35. Theknife 35 is clamped by bolts 36 within a knife-holder 37, which is adapted to move obliquely within guides 38 on a frame 39, that is secured to the frame 3 on pivots 40, which permit the frame 39 to oscillate in front of the mouth 33. The oblique or shear movement of the knife 35 is imparted in the embodiment shown in Figs. 1 to 3 by means of a lever 41, which is secured at its lower end to the cranked ortion 42 of the drive-shaft 2, the

' lower en of the lever being bifurcated at 43 and ivoted to a sleeve 44, journaled on the cran ed portion of the shaft. The upper end of the lever 41 is likewise bifurcated at 44 and fitted to the end 45 "of the knife-holder 37, which is caused :to-travel in an oblique direction by reason of a pair of links 46 and 47, the link 46 being pivoted at its upper end 48 to the frame 39 and its lower end 49 to the holder 37, while the link 47 is pivoted at 50 to the frame 39 and at its lower end between the bifurcation 44 of the lever 41. In operation the rotation of the crank or drive shaft 2 causes the lower end of the lever 41 to take a vertical circular path. This draws downwardly on the knife-holder 35, which by reason of the links 46 and 47 moves in an oblique path, thereby causing the knife to give a draw out. The frame 39, being pivoted at 40, is caused by the circular movement of the lower end of the lever 41 to move outwardly at its lower end at the instant that the to 11 the knife-holder 37 is mounted in the 'frame'39, as in the other embodiment, but

the link 47 is dispensed with and the knifeholder is extended at both ends and has connected to it at these points 44 the ends of a pair of levers 41, which have ball-and-socket connection 44 with the drive-shaft 2 by means of se arate cranks 42 The general operation 0 this embodiment is the same as set forth with relation to the other embodiment.

The draw cut as produced by the mechan ism herein described embodiesespecial advantages in a tobacco-cutter. The cut is made much easier, it does not crush or pack the tobacco like a vertical cut nor-have the tendency to pull out the leaf as it is being out, there is not so much waste, the cut tobacco ismore fluffy or loose as it falls from the machine, and the cut is much cleaner.

4 Various changes within the scope of the appended claims may be made without departing from the spirit of my invention.

Having thus described my invention, what I claim .as new therein, and desire to secure by LettersPatent, is f 1. In a tobacco-cutting machine, a feeding mechanism comprising a series of compression-rolls and means for making these rolls self-adjusting abouttwo different centers.

2. 'In atobacco outting machine, a feeding mechanism comprising a plurality of compression-rolls in whichthe one last acting upon the tobacco is self-adjusting about a center fro'm'which it is driven and in which a primarycompression-roll is relatively self- 3. In a tobacco-feeding mechanism, a plurality of independently and relatively self- I adjusting rolls acting successively upon the tobacco.

4. In a. tobacco-cutting machine, a feeding final compression-roll.

5. In a tobacco-cutting machine, afeeding mechanism, embodying a swinging frame, a roll j ournaled thereon, a frame swinging on the first-mentioned frame, and rolls carried by the second frame.

jadjusting about the center of the compres i sion-roll last acting upon the tobacco.

frames.

7. In a tobacco-cutting machine, the combination of a reciprocating knife with a continuous feeding mechanism embodying a lower series of rolls, and an upper series of rolls adjustable relatively to the lower series of rolls and to one another.

8. In a tobacco-cutting machine, the combination with a lower series of rolls, of an upper series of rolls of which the one last acting on the tobacco is freely adjustable about a center and those first acting on the tobacco are freely adjustable in an arc concentric with the axis of, and are geared to, the said roll last acting.

9. In a tobacco-cutting machine, a feeding mechanism embodying a swinging frame, a gear-wheel journaled on an axis in alinement with the pivot of the frame, a roll carried by the swinging frame and geared to said gearwheel, a second frame swung on the axis of said roll, and rolls carried by the second frame and geared to the first-mentioned roll.

10. In a tobacco-cutting machine, a feeding mechanism embodying a swinging frame, a gear-wheel journaled on an axis in alinement with the pivot of the frame, a roll carried by said swinging frame and geared to said gear-Wheel, a second frame swung on the axis of said roll, a roll or rolls carried by said second frame and geared to the first-mentioned roll and a weight acting on both swinging frames.

11. In a tobacco-cutting machine, a feeding mechanism embodying a swinging frame, a gear-wheel j ournaled on an axis in alinement with the pivot of the frame, a roll carried by said swinging frame and geared to said gear-wheel, a second frame swung on the axis of said roll, a roll or rolls carried by said second frame and geared to the first-mentioned roll and a weight connected to the second-named frame near its fulcrum on the first-named frame and thereby acting on both swinging frames 12. In a tobacco-cutter, the combination with the continuous feeding mechanism, of a knife and mechanism for causing the knife to make a draw out on its downstroke and to move away from the material in the direction of its feed on its upstroke, so that the material may be continuously fed.

13. In a tobaccocutter, the combination with the continuousfeeding mechanism, of a knife, and mechanism causing the knife to make a draw cut and to oscillate out of the way of the material in the direction of its feed.

14. In a tobacco-cutter, the combination of an oscillatory frame, and a knife having reciprocating and draw-out movements on the frame.

15. In a tobacco-cutter, the combination of an oscillating frame, and a knife having a draw-cut movement on said frame.

16. In a tobacco-cutter, the combination of an oscillatory frame, and a knife having a reciprocating movement on the frame and a lever connected at one end to the knife and at its other end to a part having a rotary movement.

17. In a tobacco-cutter, an oscillatory frame, a knife-holder guided on the frame, a swinging link connected to the frame and to the knife-holder, and mechanism for moving the knife and causing the frame to oscillate.

18. In a tobacco-cutter, an oscillatory frame, a knife-holder guided on the frame, a swinging link connected at one end to the frame and the other end to the knife-holder, a lever connected at one end to the knifeholder, and mechanismcausing the other end of the lever to move in a circular path.

19. In a tobacco-cutter, an oscillatory frame, a knife-holder guided in an oblique path thereon, a lever connected at one end to the knife-holder, and mechanism causing the other end of the lever to travel in a circular path.

20. In a tobacco-cutter, an oscillatory frame, a knife-holder guided in an oblique path thereon, a lever connected at one end to the knife-holder and a crank-shaft connected to the other end of the lever.

21. A tobacco-cutter, comprising a frame, a crank-shaft journaled thereon, a lower series of feed-rolls, a reducing-gear connecting the crank-shaft and the lower series of feedrolls, an upper series of feed-rolls geared to the lower series of feed-rolls and adjustable relatively to the lower series of feed-rolls and to one another, an oscillatory frame mounted on the main frame near the mouth of the feed,

a knife-holder guided on said frame and a lever connected at one end to the knife-holder and at its other end to the crank-shaft.

22. In a tobacco-cutter, the combination with a continuous-feed mechanism, of an oscillatory frame, and a knife having reciprocating and draw-cut movements on and relative to said frame. a

23. In a tobacco-cutter, the combination with a continuous-feed mechanism, of an oscillating frame, and a knife having a drawcut movement on and relative to said frame.

24. In a tobacco-cutting machine, the combination with a lower series of rolls, of an upper series of rolls, of which the roll last acting on the tobacco is freely and automatically self-adjustable and those first acting on the tobacco are adjustable in an arc concentric with the axis of the roll last acting.

25. In a tobacco-cutter, the combination of a frame, oscillating about a fixed axis, and

I'IO

a knife having a reciprocating movement on The foregoing specification signed at Cinthe frame. h b cinnati, Ohio, this 4th day of January, 1905.

26. In a tobacco cutter, t e com ination with a. continuous-feed mechanism, of a NAPOLEON DU L' 5 frame oscillating about a fixed axis, and a In presence of knife having a reciprocating movement on H. WHYRIOH, and relative tosaid frame. ,F. BROERMANQ

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