US1670152A - Mining apparatus - Google Patents

Description

May 15, 1928.

M. P. HOLMES MINING APPARATUS Originall Filed April 18, 1919 4 Shee eat 1 May 15, 1928.

M. P. HOLMES MINING APPARATUS,

Original Filed April 18 s-Sheet 2 4 Sheet a IIIIA May 15, 1928.

M. P. HOLMES MINING APPARATUS Original Filed April 18. 1919 4 Sheets-Sheet 3 May 15,1928.

r I M. P. HOLMES MINING APPARATUS .or 'g al Filed April 18.91219 4 sheetsishet 4 Patented May 15, 1928.

barren MACHINERY coiyrramz, acoRroRA'rIoir orMAssAoI-IUsErTs.

MINING I APPARATUS.

Application filed April 18, 1919, Serial No: 291,115; nenewedjmayi, 1927.

Iilfyinvention relates to mining apparatus.

It has for its object' to provide an improved mining apparatus. A further object of my invention is to provide animproved machine of the so-called universal type, adapted to cut a kerf atany one of a variety of angles .in the face. or in a plurality of be observed that I have shown a mining planes relative to the bottom. A further object of my invention is to provide an improved machine adapted during cutting to be attached to the face in an improved manner, preferably through improved combined supporting and drilling members carried by. the machine. A still further object of my invention is to provide improved and simpliiied feeding and adjusting mechanisms iii whereby a machine of the typeset forth maybe adapted to all of the varying usages of service and especially of entry'driving service, with increased facility at the same time that an exceedingly rugged and powerful construction is produced. These and other objects of my improved construction.

will, however, hereinafter more fully appear.

In the accompanying drawings I have shown for purposes of illustration one embodiment which my invention may assume in practice.

i'n'these drawings,

. Fig. 1 is a side'el'evation of this embodiment ofmy invention, showing the machine on its truck. I

Fig. 2 is a plan view of the construction "shown in Fig. 1, the front end beingbroken away. I I v Fig. 3 is ar'plan view, partially in section, showing the combined supporting and drilling members and a portion of the feedingmechainsm therefor. I

Fig. 4- is a side elevation, partially in section showing the cutter chain driving mechanism and the mechanism for angularly moving the cutter bar, as well as a portion of the feeding mechanism.

' rt. on line 5-5 of Fig. 4C.

Fig. 6 is a detail sectional 'view taken on line 66 of Fig. 1.

Fi 7 is a detail sectional view taken on line 'l-7 of Fig. 1.

Fig. 8 is a diagrammatic view showing the machine rotated to vary theposition of its bar.

5 is an enlarged sectional view taken machine ,frame 1v having operatively connected cutting mechanism, hereinafter described, and reciprocable and rotatablep-as also hereinafter described, relative to a lower, longer frame 2 having an open .front end and upstanding side members and earrying at its rear end a usual conductor reel arar rt.

Mounts 2. HOLMES, orfcraanraour, NEW HAMPSHIRE; assrei'von 'ro suLLIvA-ir o. This frame 2 is in turn mounted on a horizontalsw'ivel or turret 4' on the front end of a. lower, fiat topped supporting frame 5 pivotally supported transversely at its front end are on the front axle 7 of a wheelimounted truck 8.- As shown, this frame '5 is tiltablevertically about its pivot 6 by means of a jack screw 9 carrying a suitable nut 10 journaled in suitable bear ings 11 formedon theunder side of therear I end of the truck 8 and'connected to the frame 5 through a pivotal connection '12.

Thus. it will vbe observed that by rotaing the nut 10, as for instance by inserting a bar" in suitable openings 1-3 therein,- the frame 5 may be tilted vertically to tilt the machine 1 aboutthe front axle 7 of. the truck 8. It

will alsobe noted that this truck 8 is driven v by-a separate motor lei connected to thefront truck wheels 15 by a usual chain. and sprocket connetcion 16,*the' motor being controlled by a usual controller 17 here-'- in carried beneath the truck frame and controllable by a removable controllinglever 18 extending upward'toward the top of the machine; Thus is will'be observed that the mating mechanism carried by the frame 1, it

will be observed that the same herein in cludes a usual cutter bar 19 having a cutter chain 20 rotatable about the same and carrying the usual cutter bits 21. This bar is, as

' shown, preferably pivotally mounted at its moved angularly in a transverse plane.

Also, it will be observed that the bar is swung and the cuttmg mechanism thereon is driven from amotor 26 carried in the frame 1. Herein the armature shaft 27 of this motor is longitudinally disposed and carries on its front end a bevel pinion 28 meshing with a larger bevel pinion 29 on a short vertically disposed shaft 30 journaled in suitable hearings in the head and carrying a spur gear31 on its lower end. This gear 31 in turn meshes with a larger cooperating gear 32. which is formed on and substantially midway between the ends of an elongated-sleeve member 33 freely rotatable on a longer vertical shaft 34 suitably journailed on the head 25 and disposed in front of'the shaft 30. This sleeve 33, as shown, extends upward from the gear 32 and downward therefrom, the same herein acting as a driving element forboth the cutting mechanism and the bar swinging mechanism.

Referring first to the'cutter chain driving mechanism, it will be noted that herein the lower end of this sleeve is journaled in the head 25 and has operatively connected thereto, as through ausual clutch 35 (not shown conne'cted, i

in detail), a cutter chain driving sprocket 36 drivingthe cutter chain 20 in the usual manner Referring now to the bar swinging-mechanism, it willbe observed that the upper end of the sleeve is also similarly journ'aled in the head 25 and is operatively through differential driving mechanism, with the. upper end of the shaft 34. As this differential driving mechanism per se forms, no part of my present invention and is described and claimed in my copendin-g application, Serial No. 260,708, filed 'Novpl, 1918, a detaildescription of the same hereinseems unnecessary other than to say that the same includes an eccentric 37 rotatable with the upper end 38 of the sleeve and driving a differential gear 39, which meshes with cooperating internal gears 40 and 41 of different diameter, of which the gear 40 is controlled by a friction clutch 42, while the connection of the two gears is controlled by friction clutch 43, the two clutches being controlled by a controlling hand wheel 44.

lhus the gear 40 may be locked to the casing or the two gears'40 and 41 locked together 7 in. such a manner as,through the fixing of the latter gear, by a spline 45 to the upper end of the shaft 34, to rotate that shaft slowly or rapidly in opposite directions. As shown,the shaft 34 carrieson its lower end a pinion 46 meshing with an idler pinion 47, which in. turn meshes with a larger gear 48 carried on the lower end of a stub shaft 49 or. afast or moving speed, as desired, the

cutting mechanism, i. e. the cutter chain 20, being controlled independently through the clutch 35 so that that mechanism may be thrown out of operation whenever desired.

As shown, it will also be noted that areversble controller 52 for the motor 26 is provided between the front end of the frame 1 and the controlling mechanism, including the controlling member 44, so that the controller operating means 53 may be conven- .ieutly located relative to the member 44.

Operatively connected to the frame 1 and disposed between the latter and the frame 2, is my improved mechanism for rotating the entire frame 1 relative to its supporting frame 2. As shown in Fig. 6, the frame 1 is provided with a round front end member 54 rotatably mounted in suitable arcuate bearings 55 carried on upstanding members 56 provided on oppositesides of the front end of the frame 2. As shown, this member 54 is provided with inwardly disposed extensions 57 providing journals 58 for longitudinally disposed supporting members 59, herein in the form of feed members extending longitudinally beyond theopposite ends of the frame 1. Herein it will also be ob served that these members 59 are fixed, as by nuts 60 threaded on their rear ends,to a

bearing 62 formed on an upstanding supturning frame or wheel 61, which is itself rotatable on a horizontal axis on a Silllltblti port 63 at the rear of the frame 2. Thus it will be noted that the frame 1 is supported by the bearings 55 andthe bearing 62 at its opposite ends and may turn about a horizontal axis and thereby turn the cutting mechanism relative to the face. It will also be observed that the support 63 is provided with a flange 64 and a cooperating remov able clamping plate 65 attached to it by screws 66 in such amanner as to hold the parts in their desired relation. Also, it will be observed that in the flange 64 suitable apertures are provided so that one or more locking pins 67 may passtherethrough and into corresponding apertures formed in the member 61 to lock the latter in any desired angular posit-ion. Attention is also directed to the fact that the member 61 is provided with aplurality of radially disposed open vings 68 adapted to receive a baror thelike so that the member 62 and the connected im'ning machine mechanism and cutter bar may, when the pins 67 are released, be

manually turned angularly to the, desired position.

Operatively connected to the motor 26and also preferably driven from therea'r end of the armature shaft, is my improved mechanism for feeding, the machine frame ,1 during cuttlng, Thls 'mechamsm, as shown 111 Fig 5, includes a worm 69 carried on the rear end of the-armature shaft 27 and meshing with a, worm gear 70 operatively con nectible through; friction clutch elements combined journal and: worm members 76' 1 which are rotatable in suitable bearings v on the rear end of the frame lfand normally rotate freely on the shaft and are connectible therewith at will by usual clutch mechanisms 77 including members splined on the ends of the shaft. These wormmembers 7 6 initurn mesh with worm gears 78 (Fig. freely rotatable on rear threaded sleeve members79 forming continuations of sleeve members enclosingthe rear ends of threaded portions 80 formed on the members 59 and extending rearwardzthereon from points adjacent the members 57. Each of these gears 78 is in turn provided, with a clutchface 81 engageable with a reciprocable double-ended clutch member82 splined to the sleeve 79. Also, it will be observed that reciprocable double-ended clutch members 83 are splined on the members 59 adjacent the member 61, and are adaptedto engage with cooperating clutch teeth 84 formed on that member when in one position. that when the clutch member-82 isconnected to the clutch teeth 81 and the clutch member 83 is connected to the clutch teeth 8 l,-the sleeve 80 will be fed bodily forward to feed the frame 1 with a friction controlled feeding" movement relative to the frame 2' and the work at a slow orcutt-ing speed.

Also operatively connectedto the motor and herein similarly driven from the shaft 74, is my improved mechanism'for feeding the machine frame in the opposite direction, i.,e., from the work. This mechanism, as shown, includes a pinion85, (Fig; .5) preferably formed" integral with the sleeve 73 and constantly meshing with a gear 86 (F ig. 3) carried on a lower transverse shaft87 suitably journaled in the frame and having bevel gears 88 on its opposite ends meshing with bevel gears 89 rotatable on the sleeves 79 and dispos'ed'between the members 82 and 88' and having clutch teeth 91and 92 engageable by the clutch teeth on the inner ends of the members 82 and-83; 1 Thus, it

Thus, it will be observed will be-obserived that when the clutch mem-' bers 82 are thrown out of engagement with the clutch teeth 81 and connected with the clutch teeth 92, the sleeves 79 are rotated relative to thethreaded members 80 in such a1. manner as to move the machine frame 1 in an opposite direction at a greatly increased speed, both, the slow and fast feeds thus be ing' driven through the friction mechanism 7-1;

Preferably also operatively connected to the motor is also improved means for 'drilling the face so that" the'machine may be supported thereon. These means may, ob-

viously,- assume various forms. Herein,

they are preferably formed integral with themembers 80, drills, herein in the form of rotary members or angers 93, being formed onthe front ends of the members 59 and adapteditoenter the faceandthereby enable the members 59 to be supported by the face and cooperate with the truck-in sup-i porting the machine as it is moved toward or from the work.v As shown, the members 59 and their drills arerotated by power and fed forward relative to the machine frame 1 and within the sleeves 79, bythe threaded connections between the parts when, the clutch 83, is connected with the clutch teeth, 91:. As a; result, when the also-be noted that in order to limit the drilling movement; of the drills and the forward movement of the machine frame on the members 59, and also to operatively connect the'front ends of the members 59, a spanner 9a, is loosely mounted on'the-outer ends of'themembers 59 and held in adjusted position relative thereto by clamping rings 95 located on opposite sides of the spanner ends and adapted tov be held in position by screws 96. It will, also be noted that the desired; rigidity of the support is further increased by the provision of a second spanner 97 adjacent the front end of the machine frame 1 and: herein formed integral with neris not only pushed forward by the machine as the latter moves forward, but is retracted. by and withthe" machine.v

In the operation of'my' improved con struction, the machine is run into the-room or entry, ongits truck.' The truck is then stopped, and the machine rotating, swivelmg, or tilting, means are then adjusted (Figs. 8, 9 as necessary in order to direct the bar into the desired plane of operation. By these adjusting means'it will be noted that the bar may be disposed either vertically or at substantially any desired angle to the vertical, and at any desired angle with respect to the horizontal, depending the cutter bar is tirst swung laterally to its sumping position, then through the slow feed mechanism hereinabove described the mac iine frame is fed forward on the truck toforce the bar-intothe coal; then the bar is swung laterally and, last, by reversing the feed the frameis retracted on the truck, herein through the use of my improved fast reverse feed mechanism. lVhen the cut has thus been made and .the machine frame 1 has been thus returned to its normal. or retracted position, and the drilling anemhere" are withdrawn from the face, the machine is transported toanother place.

As also illustrated in Fig. 9, it will be evident that when desired my improved'machine-may be similarly utilized in cutting room necks orthe like, the machine and drills then first being swiveled' into position, herein at right angles to the truck, and the drills then being moved toward the face and relative to the truck byimproved mechanism. As shown, this mechanismincludes extensions 104 fixed on the rear ends of the drills and a crosshead 105 secured thereto by nuts 106 and adjustable bodily therewith by means of an adjusting screw 107 operable by a hand wheel 108 and threaded into the rear end oi? the support63. Thus it will be observed that when the machine and drills are swivcledinto position, the drills may be fed forward and into the face by a manual rotation of the hand wheel 108, to produce the same result as when the truck is fed forward. -Here it will also be noted that this feedingmechanism will in no way interfere with the operation of the power feed for thedrills, heretotore'described, the construction being such that these feeding mechanisms may be selectively used as occa sion requires. i

As a result of my improved construction, it will be observed that not only may the cutter bar be swung in the various positions described in my copending application mentioned above, but the machine frame may be adjusted bodily through its rotating mechanism, its swivel mechanism, and its tilting mechanism, in such a manner as to will, l1owever,- be' clearly apparent "to those skilled in the art. I

'lVhile I have in this'application specifically described one embodiment which my invention may assume in pracitice, it is to be understood that this formthere'of is used for Y illustrativepurposes only and that the invention maybe modified and embodied in various other forms without departing from its spirit or the scope of the appended claims. M

What I claim as new and desire to secure by Letters Patent'is: I

1. In a mining'apparatus, a support,a

mining machine thereon havingu cutting mechanisnl adapted to'cut a plane'kerf, and a drilling means operative to penetrate a face and then to rema n stationary and to support said machine on such face during the entire operation of the cutting mechanism. i

i 2. In a mining apparatus, a support, a plane kerf cutting -mechanism thereon, and Face gienetratingdrilling means adapted to be driven by'said machine and relative to which the latter is longitudinally movable ttor supporting the machine on the face.

3. In a mining apparatus, a support, a mining machine thereon having cutting mechanism, and means adapted to cause a portion of the weight of said machine to be borne by a face including a plurality of drilling means relative to which said machine is longitudinally movable. i

4. In amining apparatus, a support, a mining machine thereon having a swinging cutter bar, and means for supporting said machine during cutting either through swinging or bodily movement of saidbar including a plurality of laterally spaced drilling means for supporting said'machine on a face both beforeand during cutting.

55. In a mining apparatus,-a truck, a plane kerf cutting mining machinethereon having cutting mechanism, aud'means including a rotatable drilling member along which said machine may be fed during cutting for supporting saidmachine'on the face. i

6. In a mining apparatus, a truck, a min ing machine thereon having cutting -mechanism. and. means including a plurality of rotatable drillingmembers for transmitting the weight of the machine to the face.

7. In amining apparatus, a truck, a plane kerfcutting mining, machine thereon having cutting mechanism. and means. driven by saidp machineincluding a rotatable drilling memberfor supporting said machine on the face, said drilling member constituting 1a supporting guiding means for said machine during movements of the latter bodily towards and from the face. i

8. In a mining apparatus, a truck, face drilling means carried thereon,-and a plane kerf cutting mining machine on said truck movable relative to said means. 9. In a -mining apparatus, a truclnfifa'ce drilling meanscarried thereon, and a plane ker'f cutting mining machine on said truck movable in opposite directions relative to said means.

10. In a mining apparatus, a truck, face drilling means carried thereon, and acplane kerf cutting miningmachineon said truck movable at different speeds relative to said means. f

11. In a mining apparatus, "a truck,,face drilling meanscarriedthereon, and azplane kerf cutting mechanism-on said truckmovable longitudinally relativeto'said means.

12. In a mining apparatus, a truck, :f-ace drilling means carried'thereon, and a plane kerf cutting mining machine on said truck driving said means .and movable relative thereto.

13. In a mining apparatus, a truck, face drilling supporting means thereon, a plane kerf cutting mining machine on said truck driving said means and movable relative thereto and means for vertically adjusting one end of one of said elements.

14. In a mining apparatus, a truck, face drilling supporting meansthereon, a ;plane kerf cutting mining machine on said truck driving said means and movable relative thereto and means for adjusting-both of said last'mentioned elements relative to the horizontal.

15. In a mining apparatus, a truck, face drilling supporting means thereon, a plane ,kerf cutting mining machine on said truck having herf cutting mechanism, and means whereby said face drillingasupporting means .may be rotated about a longitudinal axis offset from its ing. p i

16. In a'mining apparatus, a truck, "face drilling supportingmeans thereon, a plane kerf cutting mining machine having kerf cutting mechanism on said truck, and means for rotatingbothof said last mentioned ele ments about a longitudinal axis.

17. The combination with a truck, ofza axis ofrotationduring drillplane kerf cutting mining machine having:

kerii' cutting mechanism, face drilling-means supporting said machine on said truckyand -means' for tilting said means about a "trans verse aXis. Y i 1 18. The c'ombination'wit h a truck, ofa plane kerf cutting mining-=machine, face drilling means supporting said machine on said :truck, and means whereby said means may be swung about a vertical axis.

19. Thecombination with a truck, ofa plane keri cutting mining machine having kerf cutting. mechanism, face drilling means supporting said machine on said truck, and means for ad ustmg said'means about alon gitudinal axls.

20. The combination with a trucln'o't'a plane kerf cutting mining. machine, facedrilling means-supporting said machine on said truck, and means for tilting and swing-v ing said means about aXesone of which line parallel to the'other. I I

21. The combination with a truck, of a plane kerf cutting mining machine having kerf cutting mechanism, face drillingmeans supporting said machine on said truck, and means for adjusting said machine a vermakes an angle with afline parallel to a tical plane on said'truck.

22.'The combination with a truck, of. planekerf cutting mining-machine having kerf cutting mechanism, facev drilling means supporting said machine on said truck, and means foradjusting said machine in a verti cal plane and about a longitudinal axis.

'28. The combination with a truck, of'a plane kerf cutting mining machine having kerf cutting mechanism, face drilling machine support ng'mea'ns, and means for selectively moving one of said elements, re'la tive to the other. I 24. The combination with a truck, of a plane kerf cutting miningmachine having kerf cutting-mechanism, face drilling means supporting saidmachine, and meansifor moving said means relative to said machine.

25. The combination with. a truck, of a plane Keri cutting mining'machine having kerf cutting mechanism, l'ace drilling means supporting said machine, and means for moving said machine relative to said-means.

:26. The combination with a truck, of a ca I planekerf cutting mining machine having ing cutterbar adjustable'by said motor, said machine being rotatable on said truck on a horizontalaxis and movable by power from said motorlongitudinallyof said truCkrelative to the latter, and bearing supports therefor on opposite ends of said truck.

29. In a mining apparatus, a wheeled truck, a mming machine including a motor disposed on saidtru'ck and rotatable on a longitudinal axis coincident with the axis of rotation of said motor and having a cutter bar independently pivoted on the front end thereof, and a machine rotating Wheel on said machine arranged expresslyfor' manual rotation. I r

Q 30. In a mining apparatus, a truck, a plane kerf cuttin mechanism a machine havin a planes.

cutter-bar and a driving motor therefor rotatable on a longitudinal axis on said truck, and coaXially disposed bearings therefor of different diameters carried on oppositeends of said truck, one of said bearingspermitting said motor to pass tlierethrough, and guiding means carried on said truck for said machine along Which the same is movable longitudinally relative to. saidtruck while said motor passes through said bearing. 7

31. In combination, a support, a mining machinethereon having a pivoted cutter bar rotatable'on a longitudinal axis on said support, and means rotatable therewith for feeding said bar relative to said support rectilinearly dur ng cutting and swinging said bar in a plane;

'32. In combination, a support, a. mining machine thereon having a pivoted cutter bar rotatable on a longitudinal axis on said sup-' port, and means rotatable therewith for feedin said bar longitudinally oflsaid sup port and swinging said bar in a plane.

83. In combination, asupport, ke'rf'cntting mechanism thereon includinga swinging cutter bar rotatable on a longitudinal axis on said support, means rotatable therewith for feedingsaidbar longitudinally of .said support, and-means for swinging said bar in a plane.

34. In combination, a support, kerf cutting mechanism thereon including a pivoted plane cutter bar rotatable on a longitudinal axis on said support, means rotatable therewith for feeding said bar longitudinally of said support, and means for swinging said bar in its plane.

In combination, a support, a kerf cut ting mechanismthereon' including swinging cutter bar rotatable on a longitudinal axis on said support, means rotatable there- With for feeding said bar longitudinally of said support, and means for swinging said bar in any of a plurality intersecting In combination, a support, a kerf cutting mechanism thereon including a pivoted plane cutter bar rotatable on a longitudinal axis on said support, means rotatable there I with for feeding said bar longitudinally oi said support, and means for swingingsaid barin its plane in different positions-relative to the axis of rotation.

, 37. In a mining apparatus, a plurality of face engaging threaded feeding members, a

cooperating with said threaded members,

and means for rotating one or both of said members at Wlll. I

4-1. In a mining apparatus, a support, a plurality of threaded feeding members there on, amining machine on said feeding menibers, and clutch means for selectivelyfeedmg said machine on said nembers atdif ferent speeds. v

In a mining apparatus, a support, feed-- ing men'ibers thereon, a plurality of sleei e members on said members, a mining machine connected to certain of said sleeve members,

and means including clutch mechanism for selectively teeding certain ot'said sleeve members relative to said feeding members.

43. In a mining apparatus, a support, feed ing members thereon, a plurality of sleeve members on said members, mining machine connected to certain of said sleeve members, and means including clutch mechanism for selectively feeding certain of said sleeve members in opposite directions at diiferen speeds on said feeding members. i

44. In a mining apparatus, a support,

threaded feeding members thereon, a plus rality of sleeve members on said threaded members, a mining machine connected to certain of said sleeve members, and means including clutch mechanism for selectively rotating said sleeve members.

45'. In a mining apparatus, a support, longitudinally disposed machine supporting-and feeding drills thereon, a machine movable longitudinally thereon, and a spanner connecting said supporting members. v

46. In a mining apparatus, a support, longitudinally disposed machine supporting drills thereon, a machine movable longitudinally thereon, and a spminer-connecting said supporting members and movable .With said machine. I

.47. In a mining apparatus, a support, longitudinally disposed machine supporting drillsthereon, a machine movable longitudinally thereon, and eooperatingspanners one movable With said machine and the other carried on] said members.

18. In a mining apparatus, a Wheeled truck, longitudinally disposed machine supporting drills thereon, a machine oppositely movable longitudinally on said drills, and a spanner movable with said machine.

i9. In combination, a truck, a frame tiltable on a transverse pivot thereon, a longitudinally disposed mining machine on said frame includinga cutter bar swingable by power in a plane about a pivot perpendicular-thereto, and means for feeding the machine longitudinally relative to said truck and rotating the machine as a'whole about a longitudinal axis and relative to said frame. f

50. In a mining apparatus, a support, a plane kerf cutting mining machine thereon having a cutter bar, face drilling means carrying said machine, and means for moving said drilling means towardtheface during the drilling operation. 1

51. In a mining apparatus, a support, a plane kerf cutting mining machine thereon having a cutter bar, face drilling means carrying said machine and operatively connected to said machine, and means for moving said drilling means toward the face during the drilling operation.

52. In a mining apparatus, a support, a

' plane kerf cutting mining machine thereon having a cutter bar, face drilling means supporting said machine and swiveled on said support, and means for moving said drilling means toward the face during the drilling operation.

53. In a mining apparatus, a support, a plane kerf cutting mining machine thereon having a cutter bar, face drillingmeans supporting said machine and swiveled on said support and driven by said machine, and means for moving said drilling means toward the face during the drilling operation.

54. In a. mining apparatus, a support, a plane kerf cutting mining machine thereon having a cutter bar, face drilling means supporting said machine and swiveled on said support and operatively connected to said machine, and selectively operable means for moving said drilling means toward the face during the drilling operation when swiveled into different positions relative to said support.

55. In a mining apparatus, a support, mining mechanism thereon having'a cutter bar, face engaging cooperat ng supporting means, means for moving said means about a-Xes lying in intersecting planes andrelative to said support, and means for moving said bar relative to said cooperating sup porting means.

56. In a mining apparatus, a support, mining mechanism thereon having a cutter bar, face engaging cooperating supporting means for said bar, means for adjusting said means about a longitudinal axis, and means for moving said bar relative to said cooperating supporting means.

' kerf in the face.

57. In a m'ining apparatus, a support, co-

operating face drilling supporting means thereon, means for inserting the same into thefface, kerf cutting mechanism 'niovable longitudinally of-said cooperating supporting means, and means for moving said -kerf' cutting mechanism relative .to said cooperat- 111 D face. I y p V 58. Ina mining apparatus, a support, cooperating face drllhng supporting means thereon, means'for lnserting thesame'into the face, kerf cutting mechanism movable relative to said cooperating supporting means, and means for moving said kerf cut-- ting mechanism longitudinally and angularly relative to' said drilling means after the later are inserted in the face.

59. In a mining apparatus, a support, mining mechanism thereon having a swinging cutter bar, face drilling cooperating maoperating supporting means about an axis disposed longitudinally of the latter.

61. In a mining apparatus, a support, cooperating face engaging supporting means carried thereby, kerf cutting mechanism, means for moving said supporting means relative to said support into engagement with the face, and means for moving said kerf cutting mechanism longitudinally of said cooperating supporting means to cut a 62. In a mining apparatus, a support, a machine guiding means comprising a plurality of parallel face engaging members supported on said support for rotation about a longitudinally extending axis lying between them, and a miningmachine slidable along said members.

63. In a mining apparatus, a support, and machine guiding means comprising spaced guiding members and pivotally mounted upon said support for movementinto planes whose traces on a working face will lie in intersecting lines, a mining machine longitudinally movable along said members, and

means driven by said mining machine for rotating said members.

64. In a mining apparatus, a support, ma-

chine guiding means mounted on said sup port for rotation about a longitudinally disposed axis, said machine guiding means comi prising a pair of guiding members arranged supporting means tocut a kerf in the lUfi in a plane parallel to the plane of. said guiding'means.

65.1 In a mining apparatus, a support, and

i machine supporting and guiding means carried therebyrincluding a plurality of :face engaging members, drilling means at the forward end of said members, a machine slidable along said members, and transmis- SlOIl mechanism driven by said maclnne r'or rotating, said members and for feedingsaid 1 machine longitudinally of said members.

66. In a mining apparatus, a support,

guiding means for a mining machine car ried by said support and supported at spaced points upon said support and extending beyond the end of said support, pivotalsupporting means wliereon 'said guiding means may be rotated into different planes passing through and including a longitudinally extending axis, and a mining machine slidable along said guiding means and movable to a position Where its center of mass lies outside of said pivotal supporting means and having a swinging bar.

In testimony whereof I afiix my signature.

MORRIS P. HOLMES.

CERTIFICATE OF CORRECTIGN.

Patent No. 1,670,152. Granted May 15, 1928, to

MORRIS P. HOLMES.

.ltishereby certified that error appears to the piinted specification of the .above numbered patent requiring correction as toitows: Rage 1, lihe 84, for the misspelled word "rotaing" read "retating"; page 5, tines 32 and 38., eiaims 13 and 14, after the Word "thereto" insert a comma; same page, line 52, claim 16, strike out the words "on said truck" and insert the same to ioiiow after the word "machine" line 51; and that the said Letters ieteot sheeid be read with these corrections therein that the same may conform to reeord of the ease in the .Patent Office.

Signed and sealed this 10th day of July, A D. 1928.

M. J. Moore, Acting Cemmissioner of Patents.

(Seal)

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