US1170986A - Feed for stone-channeling machines. - Google Patents

Feed for stone-channeling machines. Download PDF

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US1170986A
US1170986A US68836212A US1912688362A US1170986A US 1170986 A US1170986 A US 1170986A US 68836212 A US68836212 A US 68836212A US 1912688362 A US1912688362 A US 1912688362A US 1170986 A US1170986 A US 1170986A
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frame
channel
tool
channeling
feed
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US68836212A
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Thomas D Mowlds
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C25/00Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/62Machines for making slits approximately perpendicular to the seams either level with, or above or below the level of, the machine

Definitions

  • the purpose of my invention is to provide a rockchanneling machine feed, preferably -.an auxiliary feed, in which theforce moving the channeling tool laterally is applied close to the rock being cut.
  • A. further purpose of myinvention is 1' automatic channelwall-engagingprovide feed at or near the bottom of a channeling by the lateral feeding of the framejor tool.
  • a further purpose of my invention is-to use rolling means, preferably Wheels to support the channeling frame from the bottom wall of the channel.
  • a further purpose of my invention is to rotate a channehng tool by friction with the channel walls.
  • Fig. 2 is a section of Fig. 1 taken upon the'line 'ww thereof.
  • Fig. 3 is a section. of thestructure shown in Fig. 1 taken upon the line 410- thereof.
  • Fig. 4 is a section of the structure shown in Fig. 1, taken upon the. thereof.
  • Fig. 5v is a perspective line y'y view of a channeling tool used by me with means applied, cotiperating with thechannel, to effect rotation'of the toolgfFig. 6. is a broken section of the structure shown,
  • Fig. 1 taken upon the linee z thereof.
  • Fig. 7 is, a central vertical section ing wheel illustrated in Fig. 1.
  • Fig. 8 is Stone-Chanelillustrate my inven-Q tion by several forms thereof which I have determined to be practicahefficient and-rela tively inexpensive, and which at the same; time well illustratethe principles involved.
  • Figure 1 is a front elevation of a machine
  • My invention is applied to, a channeling.
  • I mount a frame 3, providing guides 4:, 5..along which a frame. 6 is adapted to be fed laterally by acamupon or within cylinder. 7, shown in the form of a cam slot which engages. pin 8 upon the rear of the frame.
  • the cylinder is mounted upon and rotatedby. shaft 9, which is rotated'by sprocket wheel 10 and sprocket chain 11. from any suitablesource ofpower.
  • Theconnections which I. prefer for v this movement are those ofmy patent above mentioned, Theirexact character isnotmaterial to, this invention.
  • the frame 12 forms a carrier for the tool-carrying rods and the toolsthemselves.
  • a plunger 20 As in the case of my patent above mentioned, this plunger is driven downwardly by the re-action of a spring 21, compressed by the lifting action of lugs 22 upon a collar 23.
  • the lugs are operated by rotation of the member 24 through shaft 25, sprocket 26 and chain 27. I prefer to supply the movement to this chain by the means shown in my patent above mentioned and have, therefore, not considered it necessary to illustrate this means here.
  • the frame 12 is shown as capable of being lifted by the wheel 28 through gearing 29, 30, 31 and 32, engaging a rack 33 upon the back of the frame 12.
  • I have supported the weight of the frame 12 upon rotatable feed wheels 34 secured in extensions formed on the bottom of said frame and I have, preferably serrated or notched them as at 35, in order that they may prick their way through the refuse in the bottom of the channel to the solid bottom.
  • I prefer two disk-like wheels having a common axis, at each intended point of support, of general spool form, and shall consider the number as two hereafter for convenience.
  • the wheels are given a slightly greater peripheral speed than the frame, so that any lag of the frame, due to interference with its feeding function, will be corrected by the accelerated feed of the wheels.
  • the peripheries of the wheels should be suitably tempered, so as to reduce wear.
  • the sprocket 39 is shown as connected by shaft 40 with a gear 41 engaging the teeth of a rack 42 upon any suitable member 43 of the head 44, which is movable vertically in agreement with the movement of the frame 12 and is supported in guides 45 with in frame members 3.
  • suitable point I provide gear 52, engaging with rack 42-, preferably upon the side of the head 44, since this location requ1res no intermedlate gearing.
  • the rlgid connection shown here also offers some advantage overrolling over orthe bottom of the out.
  • at suitable points along the feeding engagement iswith a wall of thei channel in each case, whether it bev .a bottom or side wall thereof, and that it. in
  • Fig- 5 I have illustrated means for rotating the cutting tool, which is put in operation automatically by engagement with a relatively fixed side member, preferably friction with the side wall of the channel. This, also, is automatic in its feeding and in its operation when cutting in either direction. While I much prefer to, apply this automatic turning to a tool having but slight vertical movement, being liftedlittle or none between impact blows, as illustrated in my co-pending application, Serial No. 554,687, filed April 11, 1910, some of the advantage of my invention would be attained by connection of this tool-rotating mechanism with a full length plunger and connected tool, such as is shown in my Patent 1,012,569. In either case I prefer to spline the feeding wheel 58 upon the tool.
  • The'teeth of the wheel are shown as of ratchet construction, as at58, 111 011161 that they may slip along the one side of the vchannelv while engaging the opposite side during the lateral feeding of the frame along the length of the channel.
  • the ratchet effect is reversed with reversal of the direction of feed of the frame lengthwiseof the channel, so that the rotation takes place a in the K same direction at all times.
  • the drag'60 is preferably slight, by means of a spring engaging any character of roughened surface.
  • my feeding invention is broadly applicable to the feeding of a channeling holder by means close to the tool and which may or may not engage with a wall ofthe channel, whether it be a side or a bottom wall.
  • any form of device extending parallel With the length of the channel might be engaged by the parts to cause the rotation desired, Whether of the wheels 34, or 4:6, or of the tool.
  • a rigid cross bar and rack for the horizontal member to any form of flexible construction as the movement may be made more nearly positive.
  • a channeling tool frame a rotatable channeling-fr-ame-support, adapted to engage the bottom of the channel, a channeling tool, and means for rotating the support, put in action by movement of the channeling tool frame along the length of the channel.
  • a channeling frame adapted to enter the channel, a rotatable frame support, engaging the bottom of the channel, and automatic means, set in operation by the moving of the frame along the length of the channel, for
  • a channeling frame In a device of the character stated, a channeling frame, a tool carried by the frame, a rotary feed wheel entering the channel and engaging a'wall of the channel, and means outside of the channel for rotating the Wheel.
  • a channeling frame In a device of the character stated, a channeling frame, a channeling tool carried thereby, a combined frame support and feeding Wheel entering the channel, and means for turning the Wheel to feed the tool carrying frame.
  • a channeling frame a rotatable member extended down into the channel, tool feeding means Within the channel turned thereby and adapted to engage with a channel wall, a member parallel with the length of the channel in operative relation to the frame and connections between the parallel me1n ber and rotatable member for causing rotation of the rotatable member by the movement of the rotatable member along the length of the ,channel.
  • a channeling frame a tool carried thereby and entering the channel and rotary means engaging a side of the channel to rotate the tool when the frame is fed along the channel length.
  • a channeling frame a channeling tool therein, a tool .rod for the tool, a wheel mounted upon the tool rod, adapted to engage a side channel Wall and rotate the rod, and means for preventing reverse rotation of the rod.
  • a laterally movable channeling frame a vertically movable frame guided therein, a channeling tool operating in the vertically movable frame; and a rotatable support for the vertically movable frame having an edge adapted to displace the refuse lying on the bottom of the channel and rest on the solid stone.
  • a laterally movable channeling frame a vertically movable frame guided therein, a channeling tool operating in the vertically movable frame, a rotatable support for the vertically movable frame adapted to rest on the solid stone at the bottom of the cut and projections upon the portion of the support en gaging the stone adapted to displace the refuse lying on the bottom of the channel.
  • a laterally movable channeling frame a vertically movable frame guided therein, a channeling tool operating in the vertically movable frame.
  • a rotatable support for the vertically movable frame adapted to rest on the solid stone at the bottom of the cut and havinglaterally spaced edges adapted to displace the refuse lying on the bottom of the channel.
  • a channeling frame a laterally movable chan- 1,17o,9se v 5 neling tool and rod supported thereby, rotary frictional sidewall-engaging means connected With the rod to cause rotation of the same with lateral movement of the rod and means for relatively increasing the fric- ;o channeling frame, a laterally movable recip- Irocating channeling tool and rod supported thereby and a ratchet Wheel upon the rod engaging with a side Wall of the channel to Iturnthe rod in one direction With lateral movement of the rod along the length of the 15 channel.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Description

T. D. 'owws. FEED FOR STONE CHANNELING MACHINES.
APPLICATION FILED APR- 4, I912.
Patented Feb. 8, 1916.
3 SHEETS-SHEET l.
WITNESSES THE COLUMBIA PLANOGRAPH co WASHINGTON, D. c.
T. D. MOWLDS.
FEED FOR STONE CHANNELING MACHINE S APPLICATION FILED APR. 4. 1912.
3 SHEETSSHEET Z. l
Patented Feb. 8, '1916.
WITNESSES COLUMBIA PMNOGRAPH C0,, WASHINGTON n c v T. n. Mowws. FEED FOR STONE CHANNELING MAGHlNES.
APPLICATION FILED APR.4, 1912. I
Patented Feb. 8, 1916.
a SHEETS-SHEET a.
'Fmz
WWII/m in 7 IIIIIIIII'IIIIIIII Q I 49 48 IF- THE COLUMBIA PLANOGRAPH co, WASHINGTON, D. c.
' frame or tool, preferably put into operation were sirnrnfsrnrnn'r mar;
THOMAS D. MOWLDS, or BALA, P NNSYLVAN A.
FEED FOR sroNn-onANnELING. MAcHIivEs.
To all whom it may concern:
Be it known that I, THOMAS a citizen of the United States, residing at Bala, in the county of Montgomery and State of Pennsylvania, have invented a certain new and useful Feed for ing-Machines, of which the following "is, a specification. I
The purpose of my inventionis to provide a rockchanneling machine feed, preferably -.an auxiliary feed, in which theforce moving the channeling tool laterally is applied close to the rock being cut. v
A. further purpose of myinvention is 1' automatic channelwall-engagingprovide feed at or near the bottom of a channeling by the lateral feeding of the framejor tool.
A further purpose of my invention :is-to use rolling means, preferably Wheels to support the channeling frame from the bottom wall of the channel. v
A further purpose of my invention is to rotate a channehng tool by friction with the channel walls.
I have preferred to embodying one form of my invention. Fig.
2 is a section of Fig. 1 taken upon the'line 'ww thereof. Fig. 3 is a section. of thestructure shown in Fig. 1 taken upon the line 410- thereof. Fig. 4 is a section of the structure shown in Fig. 1, taken upon the. thereof. Fig. 5v is a perspective line y'y view of a channeling tool used by me with means applied, cotiperating with thechannel, to effect rotation'of the toolgfFig. 6. is a broken section of the structure shown,
in Fig. 1, taken upon the linee z thereof. Fig. 7 is, a central vertical section ing wheel illustrated in Fig. 1. Fig. 8 is Stone-Chanelillustrate my inven-Q tion by several forms thereof which I have determined to be practicahefficient and-rela tively inexpensive, and which at the same; time well illustratethe principles involved.
Figure 1 is a front elevation of a machine,
of afeed- Similar numerals of reference lndicat'e'like parts in the drawings.
My invention is applied to, a channeling.
machine of they general character shown in my Patent No. 1,012,569, of :December19,. 1911. For simplicity I have shown a cha r.-
nel-entering frameh'aving fewer channeling too-ls than are shown in my patent. 1 Except forlthis omission and the addition of the 1 Specification of Letters Patent. Patented Feb. 8, 1916. I Application filed A rne e z. seriainb. 688,362. I I I special feeding and rotating: lmechanisms, F gs. land 8here1n correspond generally to Fig. 1 of said patent.
' Upon any suit. I suchas 1 and 2, I mount a frame 3, providing guides 4:, 5..along which a frame. 6 is adapted to be fed laterally by acamupon or within cylinder. 7, shown in the form of a cam slot which engages. pin 8 upon the rear of the frame. -In theillustration the cylinder is mounted upon and rotatedby. shaft 9, which is rotated'by sprocket wheel 10 and sprocket chain 11. from any suitablesource ofpower. Theconnections which I. prefer for v this movement are those ofmy patent above mentioned, Theirexact character isnotmaterial to, this invention.
ble cooperating supports,
' Properly guided within the frame 6, I proi videa vertically movable frame 12, which supports and. carries channel cutting -.1nen1-; 1 bers 13, here shown as twoin number, each: of which may comprise abutting-tool 14 and r a short rod 15, forming a par'tthereof or rigidly connected therewith. The frame 12 forms a carrier for the tool-carrying rods and the toolsthemselves. Within a recess 16, generally alined with the guide fof each ofthese cutting'memberawith this construction, I prefer to place a spring '17 engaging i atone end with. the frame and at the other with a collar 18 upon too-l rod 15. This constructionis usedto lift the tool slightly; from the bottom of thechannelbetween sue-i cessive impact blows.
me in a' co-pending application, Serial Numf p This subject matter is not claimed here because it'is claimed byher 554,687, filed-April 11, 1910, issued May.
27, 1913, as Patent N0.,1,062,790. I
In the form shown in Fig. l, (the form making use of the short tool rod) I have intended but slight movement of the cutting members and have therefore disconnected them at 19 from the means for delivering the blow, here shown as a plunger 20. As in the case of my patent above mentioned, this plunger is driven downwardly by the re-action of a spring 21, compressed by the lifting action of lugs 22 upon a collar 23. The lugs are operated by rotation of the member 24 through shaft 25, sprocket 26 and chain 27. I prefer to supply the movement to this chain by the means shown in my patent above mentioned and have, therefore, not considered it necessary to illustrate this means here. The frame 12 is shown as capable of being lifted by the wheel 28 through gearing 29, 30, 31 and 32, engaging a rack 33 upon the back of the frame 12.
The weight of the frame tends to feed it downwardly. I have shown wheels 34, connected with the frame 12, which rest against the bottom of the channel and support the weight of the frame. The reduced friction obtained by the rolling engagement of the wheels 34 with the bottom of the channel. facilitates the lateral movement of the frame 6. V
In existing channeling tools and machines, the movement of the tool has lagged somewhat behind the feed of the frame or carrier supporting the tool outside or above the cut. This tendency has been due chiefly to the resistance of the stone to cutting by the tool, particularly as the end of the channel is approached, with the result that the tool tends to spring away from the out toward the portion of the channel just transversed, or, as it is termed,
refuse the cut. This takes up the lost motion in the intermediate mechanism and causes a lag corresponding to this lost motion. The lagging is increased through the spring of the tool and shank or rod. With many channeling machines the lagging of the tool permitted by the spring of the tool rod is very great because of the length of unsupported. drill rod presented.
Lost motion and spring have been greatly reduced in the machines of my Patent No. 1,012,559. Lost motion within the guides is still to be considered, since these guides cannot be fully tightened without undue interference with the feed. The lateral eX- tent of the frame 12 cannot be increased much. Other means of reducing or eliminating the lag must, therefore, be supplied. I have provided feeding means within the channel for this purpose. It operates at ormachines of the character shown in my patent aforesaid, it will obviously be capable of application to any channeling mechanisms in which a cutter frame, or tool support. extends'down into the channel.
Various mechanisms for drawing or feeding the lower part of the frame or cutting tool along the channel applied within the channel, will occur to the skilled mechanic. with the disclosure indicated above and contained herein. I have preferred to illustrate but two of these many forms here. These are selected with a view to showing engage ment' with the bottom wall of the channel and engagement with the side or sides of the channel respectively.
In the form shown in Fig. 1, I have supported the weight of the frame 12 upon rotatable feed wheels 34 secured in extensions formed on the bottom of said frame and I have, preferably serrated or notched them as at 35, in order that they may prick their way through the refuse in the bottom of the channel to the solid bottom. I prefer two disk-like wheels having a common axis, at each intended point of support, of general spool form, and shall consider the number as two hereafter for convenience. I rotate the wheels 34 at such a speed that their peripheral speedy shall equal or slightly exceed the lateral feed of the frame 6. Where they merely equal the lateral feed of the frame v6, any slip of the wheels 34 would result incorresponding lag and impose additional duty upon the frame (3 in dragging the wheels along the channel. Where desirable, the wheels are given a slightly greater peripheral speed than the frame, so that any lag of the frame, due to interference with its feeding function, will be corrected by the accelerated feed of the wheels. The peripheries of the wheels should be suitably tempered, so as to reduce wear. I have provided for the positive rotation of the wheels 34 by making them in general spool form, and driving them conveniently through a sprocket 36, between the two sides 37, chain 38 and sprocket 39. The sprocket 39 is shown as connected by shaft 40 with a gear 41 engaging the teeth of a rack 42 upon any suitable member 43 of the head 44, which is movable vertically in agreement with the movement of the frame 12 and is supported in guides 45 with in frame members 3. Other connection with a member parallel to the length of the channel, whether rigid or flexible, and at any preferred height could evidently be made in a great variety of forms. It will thus be seen that horizontal movement of the frame 12 will, with the particular illustration selected, result in rotation of the gear 41 with corresponding rotation of both sprocket wheels conne te by the sprocket 7 chain, turning the wheels 34. The rate of peripheral speed of these wheels will obviously depend upon the relation between their effective diameter-determined by the depth to which they sink into the bottom of the channel-and the pitch diameter of the wheel 41.
Various connected mechanisms, effecting, for example, the vertical movement of the rods 20, guiding of the frame 12, the 0on tinua-nce of the connection between the driving mechanism and the heads 23, and the lateral feed, are fully explained in my Patent 1,012,569. They are not here elaborated because they are already matters of public knowledge, through my patent, and
the detail of their construction does not enter into the combinations intended to be,
claimed herein.
In the form shown in Figs. 8, 9 and 10, I serrate the peripheries of wheels 34, as in the other form, for the purpose of having them dig their way down to the bottom of the channel to keep the cutting members uniformly at the proper depth, but do not,
as in the other form, use them for positive lateral feeding purposes. They cooperate with the feeding mechanism in'that the rolling support thus provided is effective in reducing friction and through obstructions at the channel, I proyide one or more friction wheels 46, which I prefer to taper as at 47 in order that they may guide their own way into the channel. I prefer to rou'ghen these,
as at 48, for feeding engagement with the side of the channel. I support them in any suitable bearings, pref erably giving them a slight yielding movement at the lower end, sidew-ise of the channel, as by springs 49, to press them against the channel wall.
hey then not only yieldingly engage the wall to feed along the channel but also follow up breaks ofthe stone and other irregularities in the side wall of the channel and at all times bite into the side wall. These wheels 46n1ust be less in greatest diameter than the width of the channel cut,
suitable point I provide gear 52, engaging with rack 42-, preferably upon the side of the head 44, since this location requ1res no intermedlate gearing. The rlgid connection shown here also offers some advantage overrolling over orthe bottom of the out. In this form, at suitable points along the feeding engagement iswith a wall of thei channel in each case, whether it bev .a bottom or side wall thereof, and that it. in
each case isautomatic both in its operation.
and in its reversal.
In Fig- 5, I have illustrated means for rotating the cutting tool, which is put in operation automatically by engagement with a relatively fixed side member, preferably friction with the side wall of the channel. This, also, is automatic in its feeding and in its operation when cutting in either direction. While I much prefer to, apply this automatic turning to a tool having but slight vertical movement, being liftedlittle or none between impact blows, as illustrated in my co-pending application, Serial No. 554,687, filed April 11, 1910, some of the advantage of my invention would be attained by connection of this tool-rotating mechanism with a full length plunger and connected tool, such as is shown in my Patent 1,012,569. In either case I prefer to spline the feeding wheel 58 upon the tool.
carryingrod, as shown at 54, 55, so that V the feeding wheel 53 may remain in bodily fixed relation to the frame 12'or 12" and the tool carrying rod mayv slide within it for the intended movement or any slight accidental movement. In whichever form of my inventionpI prefernot to rest the wheelv53 intoo close proximity to the cut'- ting edge, because it may slightly interfere with the cutting operation, reducing the advantage of my invention; and for that reason I prefer to support this wheel above a tool rod bearing, as within the frame 12 or 12, which goes down into the channel.
' In either form, therefore, I prefer to mount the wheel 53 within a recess 56 in the frame, so as to prevent vertical movement with respect. to the frame. I make the greatest diameter of the wheel nearly equal to the effective width of the channel cut so that, while there will be no friction under ordinary circumstances, slight vibration of the rod or frame will bring the points 57 of the wheel into engagement with either side of the channel, though only one side at a time.
The'teeth of the wheel are shown as of ratchet construction, as at58, 111 011161 that they may slip along the one side of the vchannelv while engaging the opposite side during the lateral feeding of the frame along the length of the channel. It will be noted that the ratchet effect is reversed with reversal of the direction of feed of the frame lengthwiseof the channel, so that the rotation takes place a in the K same direction at all times. Notwithstanding that the ratchetformation of the teeth will resuit in greater rotating tendency in one constant direction, whichever the direction of frame feed along the channel, I prefer to prevent reverse turning by a drag operating against a disk or collar of any suitable character upon the same rod. This collar may correspond with the I collar 18. The drag'60 is preferably slight, by means of a spring engaging any character of roughened surface.
It will be evident that my feeding invention is broadly applicable to the feeding of a channeling holder by means close to the tool and which may or may not engage with a wall ofthe channel, whether it be a side or a bottom wall.
It will be evident that any form of device extending parallel With the length of the channel, might be engaged by the parts to cause the rotation desired, Whether of the wheels 34, or 4:6, or of the tool. I prefer a rigid cross bar and rack for the horizontal member to any form of flexible construction as the movement may be made more nearly positive.
I prefer making the feed of the tool from within the channel automatic, through reaction due to the movement of the frame to any independent application of force for the rotation of the feeding Wheels, supports, or members, as the construction is simplified and registration. of the feeding impulse with that given outside the cut (in auxiliary use of my feed) can more easily be insured in the automatic form than when a separate motive power is used.
It will be evident that my invention affords practical, positive and effective means for auxiliary feed of a channeling frame or tool support along the channel itself Which is automatic in its operation and, preferably, reversible.
Having thus described my invention, what I claim as new and desire to secure by Letters Patent is 1. In a device of the character stated, a channeling tool frame, a rotatable channeling-fr-ame-support, adapted to engage the bottom of the channel, a channeling tool, and means for rotating the support, put in action by movement of the channeling tool frame along the length of the channel. 1
2. In a device of the character stated, a channeling frame adapted to enter the channel, a rotatable frame support, engaging the bottom of the channel, and automatic means, set in operation by the moving of the frame along the length of the channel, for
rotating the support.
3. In a device of the character stated, a channeling frame, a tool carried by the frame, a rotary feed wheel entering the channel and engaging a'wall of the channel, and means outside of the channel for rotating the Wheel.
4. In a device of the character stated, a channeling frame, a channeling tool carried thereby, a combined frame support and feeding Wheel entering the channel, and means for turning the Wheel to feed the tool carrying frame.
5. In a device of the character stated, a channeling frame, a rotatable member extended down into the channel, tool feeding means Within the channel turned thereby and adapted to engage with a channel wall, a member parallel with the length of the channel in operative relation to the frame and connections between the parallel me1n ber and rotatable member for causing rotation of the rotatable member by the movement of the rotatable member along the length of the ,channel.
6. In a device of the character stated, a channeling frame, a tool carried thereby and entering the channel and rotary means engaging a side of the channel to rotate the tool when the frame is fed along the channel length.
7. In a device of the character stated, a channeling frame, a channeling tool therein, a tool .rod for the tool, a wheel mounted upon the tool rod, adapted to engage a side channel Wall and rotate the rod, and means for preventing reverse rotation of the rod.
8. In a device of the character stated, a laterally movable channeling frame, a vertically movable frame guided therein, a channeling tool operating in the vertically movable frame; and a rotatable support for the vertically movable frame having an edge adapted to displace the refuse lying on the bottom of the channel and rest on the solid stone.
9. In a device of the character stated, a laterally movable channeling frame, a vertically movable frame guided therein, a channeling tool operating in the vertically movable frame, a rotatable support for the vertically movable frame adapted to rest on the solid stone at the bottom of the cut and projections upon the portion of the support en gaging the stone adapted to displace the refuse lying on the bottom of the channel.
10. In a device of the character stated, a laterally movable channeling frame, a vertically movable frame guided therein, a channeling tool operating in the vertically movable frame. a rotatable support for the vertically movable frame adapted to rest on the solid stone at the bottom of the cut and havinglaterally spaced edges adapted to displace the refuse lying on the bottom of the channel.
11. In a device of the character stated, a channeling frame, a laterally movable chan- 1,17o,9se v 5 neling tool and rod supported thereby, rotary frictional sidewall-engaging means connected With the rod to cause rotation of the same with lateral movement of the rod and means for relatively increasing the fric- ;o channeling frame, a laterally movable recip- Irocating channeling tool and rod supported thereby and a ratchet Wheel upon the rod engaging with a side Wall of the channel to Iturnthe rod in one direction With lateral movement of the rod along the length of the 15 channel.
V THOMAS D. MOVVLDS; Witnesses:
HELEN I. KAUFFMAN, GERTRUDE BADER.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents.
Washington, D. 03"
US68836212A 1912-04-04 1912-04-04 Feed for stone-channeling machines. Expired - Lifetime US1170986A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962967A (en) * 1989-05-22 1990-10-16 Hinkle John H Stone slotting machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962967A (en) * 1989-05-22 1990-10-16 Hinkle John H Stone slotting machine

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