US1849310A - Mining apparatus - Google Patents

Description

March l5, 1932. c. F. OSGOOD'y 1,849,310

MINING APPARATUS Filed Nov. 25, 1'929 3 Sheets-Sheet l March 15, 1932. C, F QSGQOD 1,849,310

MINING APPARATUS Filed NOV. 25 1929 3. Sheets-Sheet 2 Marh l5, 1932. c. F. osGooD MINING APPARATUS Filed Nov. 25, 1929 3 Sheets-Sheet 5 Patented Mar. 15, 1932 UNITED STATES PATENT OFFICE CHARLES F. OSGOD, OF CLAREMONT, NEW HAMP HIRE, ASSIGNOR TO SULLIVAN MA- CHINEEY COMPANY, A CORPORATION OF MASSACHUSETTS MINING APPARATUS Application led November 25, 1929.

This invention relates to mining apparatus and more particularly, but not exclusively, to improved propelling mechanism for a coal mining apparatus of the Wheel mounted type adapted to operate While supported on and guided by the mine traclvvay.

An object of this invention is to provide an improved coal mining apparatus. Another object is to provide an improved coal mining apparatus of the Wheel mounted type adapted to operate While supported on and guided by the mine trackvvay and having improved propelling mechanisr Still another object is to provide an improved propelling mechanism for a mining apparatus ot the aforesaid character which is supplemental to the usual truck Wheel driving mechanism. Another objectis to provide in a mining apparatus of the aforesaid character an improved haulage mechanism supplemental to the truck Wheel driving mechanism for propolling the apparatus along the mine track- Way, the said supplemental haulage means being operable Wholly independently of the truclr Wheel driving mechanism. A further object is to provide an improved haulage means tor a mining apparatus of the Wheel mounted type including a power Winding device and a cooperating draft element, the said haulage means supplementing the usual propelling mechanism for the apparatus. Yet another object is to provide an improved supplemental haulage means for a Wheel mounted mining apparatus for propelling the latter along the mine traclrway and including a plurality of independently operable'ivinding devices and cooperating flexible draft elements whereby the usual truck Wheel driving means may be supplemented. A further object is to provide a supplemental propelling means for a Wheel mounted mining apparatus and including a flexible draft element connectible to an extraneous abutment whereby in case the traetive effort of truck Wheel drive is insullicient to propel the machine with the necessary power, the same may be augmented or at times supplanted by the improved supplemental propelling means. These and other objects and advantages of this invention will, however, hereinafter more fully appear.

Serial No. 409,555.

In the accompanying drawings there is shown tor purposes of illustration one form which the invention may assume in practice.

In these drawings,

Fig. l is a plan View of a mining apparatus having the illustrative embodiment ot the improved supplemental propelling means embodied therein.

` F ig. 2 is a side elevational vievv of the mining apparatus shown in Fig. l.

F 8 is an enlarged horizontal sectional vi evv talren substantially on line 3 3 of Fig. 2.

Fig. 4 is an enlarged transverse vertical sec` tional view taken substantially on line 4 4 oit Fig. 2 with parts shovvn in elevation.

In this illustrative embodiment of the invention there is shown a mining apparatus of the Wheel mounted universal type of the same general character as that disclosed in a copending application to one Morris P. Holmes, Ser. No. 137,600, filed Sept. 24, 1926, al@- though it is evident that the improved supplemental propelling means may be utilized in an equally eiective manner With mining apparatus of various other types. This mining apparatus generally comprises a frame l supported on adjustable front and rear supports 2 and 3 respectively herein comprising sivingable arms and supported on truck Wheels l adapted to run along a usualy mine trackvvay 5. As described in the above mentioned copending application, the supports 2 and 3 may be adjusted. either simultaneously or one independently of the other to eect adjustment of the frame l into dilferent elevated positions relative to the trackwayor to be .tilted about a transverse axis to change its angle relative to the horizontal as conditions may require. Mounted on the frame l for rotation about a longitudinal axis Within spaced bearing means 6 and 7 supported by the trames of the front and rear adjustable supports 2 and 3, respectively, is a frame or body 8. This body houses a motor 9 and supports at its forWardend adjustable lierf cutting mechanism l0 including a yusual svvingable cutter bit carrying cutter bar. As the specilic construction of the mechanism for rotating the machine body, for adjusting the cutting mechanisnnand for driving and CTI operating the cutting` mechanism do not enter into this invention, further description of the same is thought unnecessary. The motor 9 also drives, as hereinafter described, the truck Wheel driving mechanism generally designated 11 and the improved supplemental propelling means generally designated 12. lillectricall energy is conducted to the electrical apparatus of the motor 9 through a usual 'flexible conductor cable 13 Wound upon a cable reel 14 mounted for rotation on the rear end of the frame 1 and this reel is also driven as described in the above mentioned application from the motor 9.

NOW referring to the truck Wheel driving mechanism 11 it will be noted that the armature shaft of the motor 9 see Fie'. 3 drives an alined shaft which has secured thereto as by a key 21 at its rear end a spur pinion 22. As illustrated, the pinion 22 meshes With a spur gear 23 suitably secured to a longitudinally extending` shaft 24. Also secured to this shaft is a spur pinion 25 meshing With a spur :gear 26 secured to a longitudinally eX- tending shaft 27. These shafts are suitably journaled Within a transmission housing` 28 suitably secured tothe frame 1 and have secured thereto as by keys 29 Worms 30 and 31 respectively. These Worms mesh respectively With coaxial fast and slow speed Worm Wheels 32 and 33 suitably journa'led on anti-friction lbearings 34 supported by a horizontal transversely extending shaft 35. rllhis shaft is in turn journaled Within anti-friction bearings 36 support-ed Within the transmission housin0i28 and the ivorm Wheels 32 and 33 are alternatively connectible to the shaft by means of friction disc clutches 37 and 38 respectively vso .that when the clutch 37 is appliedthe shaft 35 may be driven from the m'otor9 at ya relatively fast speed While When thefriction'clutch 38 is applied and the clutch 37 is released, the shaft 35 may be driven in thesame direction vat a lrelatively low speed.

:In 1theipresent construction, secured as by a key 40 to the shaft 35 is a bevel Ypinion 41 meshing` with reverse bevels 42 and 43 suita- Vbly journaled on anti-friction bearings 44 ,supported by Ia longitudinally extending shaft 45, in turn journaled Within suitable anti-friction bearings 46 supported Within the transmission rhousing- 28. These reverse Abevels-42 43 are alternativel `connectible'to :acoupling- 49 to the shaft 45 is an allined shaft y5Ojournaled at its forward end Within an anti-'frictionbearing51 supported bythe frame 152 of the lrear support 3. key 53 to the forward end of the shaft 5() is 'abevelpinion 54meshing with a bevel gear Secured as by a 55irotatably supported by a transversershaft 63 to a transverse shaft 64. Also secured to this shaft is chain sprocket 65 which is connected by an endless chain connection 66 to a chain sprocket 67 secured to the rear truck vWheel axle 68. Also secured to the shaft 64 is a chain sprocket` 69 connected by an endless chain connection Z'O (see Fig. 2) to a chain spr cket 71 secured to a transverse shaft 72. This shaft is connected by a chain :and sprocket connection 'l' 3 to the front truck Wheel axle' 7 4. lt will thus be seen that When the clutch device 58 is in a position to connect the bevel gear 55 to the shaft 56 and one or the 'other of the clutches 47, 48 and 37, 38 are applied, the truck Wheels may be driven in either of oppositedirections from the motor 9 at either a relatively high transport speed or at a `relatively slow cutting speed. lt Will herein be noted that secured as by a key Y 6 to the shaft 35 is a bevel pinion 7K7 meshing with reverse bevels .7 8 and 79, these bevels being alternatively connectible by friction clutches 8O vand 81 respectively to a longitudinally extending shaft 82. rlhe shaft 82 drives, in a manner clearly described in thc above mentioned copending application, the mechanism for adjusting the supports 2 and 3. As this mechanism `does lnot specifically enter into this invention, description of the same` is herein thought unnecessary. rlllhe operating means for vthe clutches 37, 38, 47, 48, 58, 8O and 81 are also substantially the same as those described in the above mentioned Holmes ap- .plicationrllhe improved supplemental propel-ling mechanism 12 for propelling the apparatus along the mine trackway includes haulage devices `83' and 84, yherein each comprising a Winding,` drum 85 and these drums have Wound :thereupon haulage `cables 86 and 87 respectively. Asrthe Vmechanisms for driving the drums 85 are similarin construction, a description of one Will sufiice for both. Refer- .ring'to the driving-mechanism for the drum 85 of the hauling device 83, it Will be noted that meshing` vwith the reverse bevels 42, 43 is a bevel gear 86 secured as by a lkey 8,7 to a horizontal Vtransversely extending shaft 88 herein alined 'with the shaft 35. rlhis shaft l88 is suitably journaled 'Within' a bearing' sleeve 89 supported .within a br-zaring` bracket 90 secured as by screws 91 to one side of the transmission housing,r 28. Connected to the shaft 88 is a series of clutch plates or discs 92 which are interleaved With a corresponding series of clutch plates or discs 93 secured to a sleeve portion 94 preferably formedV inparatus at substantially the same speed tegral with the drum. AThe drum 85 is journaled on spaced anti-friction bearings 95 supported by the bearing bracket 90. In the present construction, the mechanism for applying the clutch 92, 93 comprises a hand wheel nut 96 threadedly connected at 97 to the reduced threaded end of the shaft 88. Surrounding this shaft is an annular pressure plate 98 having inwardly pro] cting fingers 99 engaging the adjacent end disc of Vthe clutch. Interposed between the hand wheel 96 and the pressure plate 98 is a ball' thrust bearing 100. The hand Wheel for operating the friction clutch controlling the winding drum 85 f the haulage device 84 is indicated at 101. It will thus be seen that when the friction clutch 92, 93 isi-applied, the winding drum 85 may be rotated in a direction to wind in its cooperating cable at either a relatively slow speed or a relatively high speed, depending upon which of the fast and slow speed controlling clutches 37 and 38 is applied. It will also be evident `that by reversing the motor 9 the winding drums 85 may be rotated in a direction to pay out their cooperating cables at either a relatively high speed or a relatively low speed. When the drums are being driven at a relatively slow speed the cables are drawn in or wound in to propel the apas that effected by the truck wheel drive, it being evident that the apparatus may be propelled along the mine trackway at a relatively slew cutting speed under the propulsion of either or both the truck wheel driving mechanism 11 and the supplemental haulage mechanism l2.

The operation of the improved mining apparatus will now be described. The apparatus may he propelled about the mine at a relatively high transport speed under the control of the fast feed control clutch 37 and the friction clutch 47. The truck wheels are driven from the motor 9 at a fast transport speed through the spur gearing 22, 2 3, worm gearing 30, 32, bevel gearing 41, 42, shafts 45, 50, bevel gearing 54, and the chain and sprocket connections 61, G6 and 70. If it is desired to propel the-apparatus along the mine trackway in a reverse direction at a relatively high speed, the friction clutch 47 is released and the friction clutch 48 applied, and as a result, the truck wheels are driven in the reverse direction. During the cutting operation, the cutting mechanism is operated to cut a kerf beneath the coal and the sumping and withdrawal cuts are effected by proelling the apparatus bodily along the mine trackway at a relatively slow cutting speed. The relatively slow speed drive of the truck wheels for propelling the apparatus forward along the mine trackway is effected by the motor 9 through transmission gears 22, 23, 25, 26, worm gearing 31, 33, bevel` gearing 4l, 42, friction clutch 47, shafts'45, 50, bevel gearing 54, 55 and chain and sprocket connections 61, 66 and 70. The apparatus may be propelled rearwardly along the mine trackway simply by releasing the friction clutch i 47 and applying the reverse friction 48, thereby effecting reversal of the drive. If, for any reason, the truck wheels slip relative to the track rails and their tractive effort is insufficient for propelling the machine along the mine trackway during the cutting operation, the truck wheel driving mechanism may be supplemented by the improved sup-- plemental propelling means 12. When it is desired to propel the apparatus by means of either of the haulage devices 83, 84 the feed cable is unwound from the drum and eX- tended to a point in advance of the machine as, for instance, anchored at its free end as shown in Eig. 1 to a roof jack or other suitable anchoring device. If it is desired to wind in the feed cable at a speedfappropriate to effect propulsion of the machine at a cutting speed, the friction clutches 38 and 92, 93 are applied, thereby effecting rotation of the drum 85 in winding direction at a relatively slow speed. The winding drum may be operated to wind in the cable to eifect propulsion of the apparatus along the mine trackway in the reverse direction simply by extending the cable in a rearward direction and anchoring the free end thereof to a roof jack or other suitable anchoring device located at the rear ofthe apparatus. It will also beevident that if desired the apparatus may be propelled along the mine trackway in either direction under the 'propulsion `of'both the haulage devices 83 and 84. These haulage devices 83 and 84 may also be utilized for propelling the apparatus upwardly along a steeply inclined trackway or under certain conditions to be utilized as a safety device for controlling movement of the apparatus downwardly along a steeply inclined trackway. lt will also be evident that these improved haulage devices may be operated simultaneously with the truck wheel driving mechanism to supplement the truck wheel drive in case the truck wheels slip relative to the track rails or 1f desired, the haulage devices may be used to propel the machine Wholly independent-ly of the truck wheel drive. These haulage devices may also be utilized for spotting mine cars and for hoisting mine props orany other auxiliary work, thereby obviating'the necessity of providing a separate haulage device for these purposes.

As a result of this invention it will be noted that an improved mining apparatus vof the ,wheel mounted type is provided having improved propelling means. It willfurther be evident that by providing the supplemental propelling mechanism in a mining machine of the wheel mounted universal type, it is possible to supplement the truck wheel drive in case thetruck wheels slip relative to the track rails, for instance, When the machine eifecting its vsumping and Withdrawal cuts or moving along a steeply7 inclined tracliway. It Will still further be noted that the improved winding devices may be utilized for auxiliary hoisting purposes, thereby cbviating the necessity oit a special hoisting device. It Will also be noted that the improved supplemental propulsion mechanism may be embodied in a mining apparatus of a standard design With a minimum ot change and expense. These and other uses and advantages of the improved mining apparatus will be clearly apparent to those skilled in the art.

While there is in this application specifically described one form which the invention may assume in practice7 it Will be understood that this form of the same is shovvn for purposes of illustration and that the invention may be modified and embodied in various other forms Without departing from its spirit or the scope of the appended claims.

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

l. The combination With a mining apparatus of the Wheel mounted type adapted to run along a mine traclnvay and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine traclvvay and mechanism for driving the truck Wheels to propel the apparatus at a predetermined relatively low speed during the cutting operation and at a relatively high speed during transport, ot supplemental propelling means for the apparatus to effecta continuous sloiv speed propulsion tliereoiz appropriate for cutting and at substantially the same speed as said predetermined 10W truck Wheel driving speed, said supplemental propelling means being operable independently of truck Wheel drive.

2. The combination with a mining apparatus of the Wheel mounted t pe ada ted to run along a mine traclrvvay and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine traclway and mechanism for driving the truck Wheels to propel the apparatus at a relatively lovv speed during the cuttingV operation and at a relatively high speed during transport, of supplemental means for propelling the apparatus at substantially the same speed as said lovv truck Wheel driving speed and operable independently of trucl` Wheel drive and including a Winding device and a cooperating draft element, said Winding device being arranged on a. horizontal axis at one side of the apparatus.

3. The combination with a mining appa-A ratas of the Wheel mounted type adapted to run along a mine trackivay and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine trackvvay and mechanism tor driving the truck Wheels to propel the apparatus during the cutting operation, of supplemental propelling means for the apparatus operable independently of truck Wheel drive and including a plurality of independently or simultaneously operable Winding devices and cooperating draft elements. l

4l. The combination with a mining apparatus of the Wheel mounted type adapted to run along a mine trackvvay and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine trackWay and mechanism for driving the truck Wheels to propel the apparatus at a predetermined cutting speed during the cutting operation and at a relatively high speed during transport, of supplemental propelling means for the apparatus operable independently of truck Wheel drive for propelling the apparatus at substantially the same speeds.

5. The combination with a mining appaiatus ,oiE the Wheel mounted type adapted to run along a mine traclivvay and having cuttino' mechanism adapted to operate While said apparatus is supported and guided by the mine trackway and mechanism for driving the truck Wheels to propel the apparatus at a predetermined cutting speed during the cut-ting operation and at a relatively high speed during transport, of supplem-ental propelling means for the apparatus operable independently ci truck Wheel drive for propelling the apparatus at substantially the same speeds and including a Winding device and a cooperating draft element.

6. The combination With a mining apparatus et the Wheel mounted type adapted to run along a mine traclivay and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine trackvvay and mechanism Jfor driving the truck wheels to propel the apparatus at a predetermined slow cutting speed during the cutting operation, of supplemental propelling means for the apparatus operable independently of truck Wheel drive for propelling the apparatus at a similar slow speedV ann including a plurality of independently Y operable Windingdevices and cooperating draft elements. s

7. The combinationv with a mining apparatus of the Wheel mounted type adapted tov rung along a mine trackvvay and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine traclivvay and mechanism includs ing a motor for driving the truck Wheels to propel the apparatus at a predetermined relatively lovv speed during. theV cutting operation and at a relatively high speed during Y transport, of supplemental propelling means for the apparatus to ellect a continuous slow speed drive appropriate for cutting and at substantially the s ame speed as said predetermined low truck `vvheel driving speed,said

ifo

supplemental propelling means being driven by said motor and operable independently of truck Wheel drive.

8. The combination With a mining apparatus of the wheel mounted type adapted to run along a mine tracltvvay and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine traclrvvay and mechanism including a motor for driving the truck Wheels to propel the apparatus at a relatively low speed during the cutting operation and at a relatively high speed during transport, of supplemental propellingr means for the apparatus for propelling the latter at substantially the saine speed as said lovv truck Wheel driving speed, said supplemental propelling means being driven by said motor and operable independently of truck Wheel drive and including a Winding device and a cooperating draft element, said Winding device icing arranged on a horizontal axis at one side of the apparatus.

9. The combination With a mining apparatus of the Wheel mounted type adapted to run along a mine traclivay and having a cutting mechanism adapted to operate While said apparatus is supported and guided by the mine traclrway and mechanism including a motor for driving the truck Wheels to propel the apparatus during the cutting operation, of supplemental propelling means for the apparatus for propelling the latter at substantially the saine speed as said truck Wheel driving speed, said supplemental propelling means being driven by said motor and operable independently oi truck Wheel drive and including a plurality of independently operable Winding devices and cooperating draft elements.

l0. In a mining apparatus, a Wheeled truck adapted to run along a mine trackvvay, cutting mechanism carried by said truck and adapted to operate ivhile supported thereon and propelled thereby, a motor on said truck, mechanism driven by said motor for driving the truclr Wheels to propel the apparatus along the mine trackvvay to effect co `nuous slow speed drive appropriate for c" fr. and supplemental iufopelling mechani. n operable independently of truck Wheel drive for propelling the apparatus at substant-ially1 the same speed as said slow truck Wheel driving speed, said supplemental promechanism being driven by said mo- .id supplemental mechanism including tor, a a haulage device and a cooperating haulage Cable.

ll. ln a mining apparatus, a Wheeled truck to run along a mine traclrivay, cutting inecl carried by said truck and adapted to operate While supported thereon and propelled thereby, a motor on said truck, mechanism driven by said motor for driving the trucl: Wheels to propel the apparatus along the mine trackvvay to effect feed of the cutting mechanism during the cutting operating mechanism carried by said truck and' adapted to operate While supported thereon and propelled thereby, a motor on said truck, mechanism including a speed control clutch driven by said motor for driving the truck Wheels to propel the apparatus along the mine trackivay, and supplemental propelling mechanism operable independently of said truck Wheel driving mechanism and driven by said motor for propelling the apparatus at substantially the same speed as said truck Wheel driving speed, said supplemental propelling mechanism vbeing cont-rolled by said speed controlling clutch andA including a haulage device and a cooperating haulage cable.

13. In la mining apparatus, a Wheeled truck adapted to run along a mine traclrvvay, cutting mechanism carried by said truck and adapted to operate While supportedthereon and propelled thereby, a motor on said truck, mechanism including a speed control clutch driven by said motor for driving the truck Wheels to propel the apparatus along the mine traclzway, and supplemental propelling mechanism driven by said motor and controlled by said speed controlling clutchV including a plurality' of independently or simultaneously operable haulage devices and cooperating haulage cables.

14. In a mining apparatus, a Wheeled truck adapted to run along a mine trackvvay, cutting mechanism carried by said truck and adapted to operate thereon While said truck` is supported and guided by the mine track- Way, a motor on said truck, mechanism driven by said motor for driving the truck Wheels to propel the apparatus along the mine trackvvay at different speeds including plural predetermined speed gearing, and supplemental propelling mechanism operable independentlv oi 'truck wheel drive and driven through said plural speed gearing, said supplemental mechanism including a Winding device and a cooperating draft element for eii'ecting propulsion of the apparatus at substantially the same speeds.

l5. In a mining apparatus, a Wheeled truck Y adapted to run along a mine trackvvay, cutting mechanism carried by said truck and adapted to operate thereon While said truck is supported and guided by the mine trackvvay, a motor on said truck, mechanism driven by said motor for driving the truck Wheels to propel the apparatus along the mine trackway including selective transmission gearing for driving the truck wheels at a predetermined cutting speed and at a relatively high transport speed, and supplemental propelling means operable independently of truck wheel drive and driven through said transmission gearing for effect-ing propulsion of the apparatus at substantially the same speeds.

16. In a mining apparatus, a'wheeled truck adapted to run along a mine traclrway, cutting mechanism carried by said truck and adapted to operate while supported thereon and propelled thereby, a motor on said truck,

rmechanism driven by said motor for driving the truck wheels .to propel the apparatus along the mine .trackway including transmission gearing for driving the truclr wheels at a predetermined low cutting speed, and supplemental propelling means driven through said transmission gearing for propelling the apparatus at substantially the same speed as said low truck wheel driving speed including a plurality of independently operable winding devices and cooperating draft elements.

17. In a mining apparatus, a wheeled truck adapted to run along a mine tr Aclrwayt cutting mechanism carried by said truck and adapted to operate while supported thereon and propelled thereby., a vmotor on said truck, mechanism driven by said motor including fast .and slow predetermined speed gearing including i'ast and slow speed terminal gears for driving the truck wheels to propel the apparatus along the mine traclrway at leither a relatively high transport speed or a relatively l-ow cutting speed, and supplemental propeiling mechanism operable independently of truck wheel drive and driven through said gearing for propelling the apparatus at substantially the same speeds.

18. In .a mining apparatus, a wheeled truck adapted to run .along a mine trackway, cutting mechanism carried by said truck, a motor on said truck, mechanism driven by said motor including fast and slow predetermined speed gearing including fast and slow speed terminal gears for driving the truck wheels to propel the apparatus along the mine trackway at either a relatively high transport speed or a relatively low cutting speed, and supplemental propelling mechanism operable independently of truck wheel drive and driven through said gearing for propelling the apparatus at substantially the same speeds, said supplemental mechanism including a Winding device and a cooperating draft element.

y 19. In a mining apparatus, a wheeled truck- `Ldapted to run along a mine traclrway, cutting mechanism carried by said truck, a motor on said truck, mechanism driven by said. motor including fast and slow speed gearing for driving the truck wheels to propel the apparatus along the mine trackway at either a relatively high speed or at a relatively low speed, and supplemental propelling mechanism driven through said gearing iior propelling the apparatus at similar high and low speeds, and including a plurality of winding devices and cooperating draftelements.

20. In a mining apparatus, a wheeled truck adapted to run along a mine trackway, cutting mechanism carried by said truck and adapted to operate while supported thereon and propelled thereby, a motor on said truck, mechanism driven by said motor for driving the truck wheels to propel the apparatus along'the mine trac-kway to eect feed of the cutting mechanism during the cutting operation, and vsupplemental propelling means including a plurality of independently or simultaneously operable winding devices arranged on transverse aXes at opposite sides oi. the truck, and cables cooperating with said Winding devices, said devices being operable to propel the apparatus along the mine trackway in either direction.

21. In a 'mining apparatus, a wheeled truck adapted to run along a mine traclrway, cutting mechanism carried by said truck and adapted to operate while supported thereon and propelled thereby, a motor on said truck, mechanism driven by said motor including fas-t and slow speed gearing for driving the truclr vwheels to propel the apparatus along the mine traclrway at leither a relatively high speed or at a relatively low speed, and supplemental propelling mechanism driven through said gearing for propelling the apparatus at similar speeds, and including a plurality of winding devices and cooperating draft elements.

22. The combination with a mining apparatus of the wheel mounted type adapted to run along a mine trackway and having cutting mechanism adapted to operate while said apparatus is supported and guided by the mine trackway and mechanism for driving the truck wheels to propel the apparatus along the mine traclrway at a predetermined relatively slow speed during the cutting operation and at a relatively high speed during transport and including a fast speed gear train and a slow speed gear train, said gear trains including fast and slow speed terminal gears, of supplemental propelling means for the apparatus operable independently of truck wheel drive and driven at similar speeds through said fast and slow speed gear trains.

. 23. 'Ihe combination with a mining apparatus of the wheel mounted type adapted to run along atrackway and havingcutting mechanism adapted to operate while said apparatus is supported and guided by the mine trackway and mechanism iior driving the truck wheels to propel the apparatus along the mine traclway at a predetermined relatively slow speed during the cutting operation andl llil lar speeds through said fast and slow at a relatively high speed during transport and including a fast speed gear train and a slow speed gear train, said gear trains including fast and slow speed terminal gears and clutches for selectively rendering the teminal gears of said gear trains operative7 of supplemental propelling means for the parat-us operable independently oi truck Wheel drive and driven at similar speeds through said fast and slow speed gear trains and under the control of said clutches.

24. The combination with a mining apparatus ot thv Wheel mounted type adapted to run along a mine trackivay and having cutting mechanism adapted to operate. While said apparatus is supported and guided by the mine trackway and mechanism for driving the truck Wheels to propel the apparatus along the mine trackivay at a relatively sloiv speed during the cutting operation including a slow speed gear train and a friction controlling clutch., of supplemental propelling means ior the apparatus operable independently of truck Wheel drive and driven at a similar s eed through said slow speed gear train and under the control of said Jfriction clutch.

25. The combination with a mining apparatus of the Wheel mounted type adapted to run along a mine traclWay and having cutting mechanism adapted to operate While said apparatus is supported and guided hy the mine traclnvay7 and mechanism for driving the truck Wheels to propel the apparatus along the mine traclivay at a relatively slow speed during cutting operation and at a relatively high speed during transport and including a fast speed gear train and a slow speed gear train and :friction clutches, one individual to each gear train, for selectively rendering said gear trains operative7 ot supplemental propelling means ior the apparatus operable independently of truck Wheel drive and driven at similar speed through said fast and slou7 speed gear trains and under the control of said friction clutches.

26. he combination with a mining apparatus or" the Wheel mounted type adapted to run along a mine traclrvvay and having cutiing mechanism adapted to operate While said apparatus is supported and gui(r ed by the mine traclrway and mechanism 'for driving the truck Wheels to propel the apparatus along the mine traclivay at al relatively slowT vspeed during the cutting operation and at a relatively high speed during transport and including a fast speed gear train and a slow speed train, each having termin al driving element, and friction clutches for each terminal element for selectively connecting said gear trains in driving relation With the truck Wheels, of supplemental propelling means for the apparatus operable independently of truck vvheel drive and driven inispeed gear trains and under the control of said friction clutches.

27. The combination with a mining apparatus of the Wheel mounted type adapted to run along a mine trackway and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine traclivay and mechanism for driving the truck Wheels to propel the apparatus along the mine traclvvay at a relatively slow speed during the cutting operation and at a relatively high speed duringtransport and including devices for eecting drive of the truck Wheels at either high or low predetermined speeds, of supplemental propelling means for the apparatus operable independently of truck Wheel drive and driven at similar speeds through said driving mechanism and including a friction controlling clutch for connecting said supplemental controlling means in driving relation With said driving devices at will.

28. The combination with a mining apparatus of the Wheel mounted type adapted to run along a mine traclryvay and having cutting Vnfiechanisni adapted to operate While said apparatus is supported and guided .by the mine traclnvay and mechanism for driving the truck Wheels to propel the apparatus along the mine trackivay at a slow cutting speed during the cutting operation, of supplemental propelling means for the appara-v tus operable independently of truck Wheel drive and driven at a similar speed and including a Winding device disposed on a hori- Zontal axis extending transversely of the apparatus at one side of the apparatus and a cooperating draft element.

29. The combination. with av mining apparatus of the Wheel mounted type adapted to run along a mine traclrrvay and having cutting mechanism adapted to operate While said apparatus is supported and `guided by the mine traclrway and mechanism for driving the truck Wheels to propel the apparatusv along the mine trackvvay at a relatively slow speed during the cutting operation and a re1- atively7 high speed during transport and including a fast speed Worm gear train and a slow speed Worm gear train, of supplemental propelling means for the apparatus operable independently oi' truck .Wheel drive and driven at similar speeds through said fast and slow speed Worm gear trains.

30. The combination With a mining apparatus of the Wheel mounted type adapted to run along a mine trackvvay and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine trackway and mechanism 'for driving the truck Wheels to propel the apparatus along the mine trackWay at a relatively sloW speed during the cutting` operation and at a relatively high speed during transport and including a fast speed Worm gear train and a slow speed Woringear train each including a terminal Worm Wheel and friction :clutches for selectively connecting said .gear trains in driving relation Withithe truck Wheels, of

supplemental propelling means for theappa- 'said apparatus is supported and guided by the mine trackway and mechanism for driving` the truc-lr Wheels lto propel the :apparatus along the mine trachvvayat va relatively slon7 speed vduring the cutting ope-ration and at a relatively high speed during transport and including a fast speed gear train and a sloiv speed gear train having coaxial terminal gears, and a clutch controlling each terminal gear, of supplemental propelling means for lathe apparatus operable independently of truck Wheel drive and driven ,at similar speeds through said fast and slow speed gear trains and under the Acontrol of said clutches.

32. The combina-tion With :a mining appa- "ratus of the Wheel lmounted type adapted to run along a mine trackwvay and having lcutting mechanism adapted to operate vvhile said apparatus is supported and vguided by the mine traclrway and mechanism for driving the truck Wheels to propel the apparatus along the, mine Atraclrivay at a relatively slow speed during cuttingoperation and at a realtively high speed duri-ng ltransport and including a fast speed gear train and a. slow speed g-ear train hav-ing coaxial terminal gears, a shaft coaxial Wit-h `sai-d terminal gears and clutches for selectively connecting said terminal gears with said shaft, of supplemental propelling 4means for the apparatus operable independently of truck Wheel drive and driven at similar speeds from said shaft under the control of said clutches..

33. The combination with a mining appa-- ratus ofthe Wheel mounted type adapted to run along a mine tfraclrway and havin-g cutting mechanism adapted to operate While said apparatus is supported and guided by vthe mine traclnvfay and mechanism for driving the truck Wheels to propel the vapparatus along the mine track-Way at a relativ-ely slow speed during `cutting .operation and at a relatively .high speed during transport and including a fast speed `gear train and a slow speed gear train having coaxial terminal gears, a shaft coaxial with said terminal gears and clutches for selectively connecting said terminal gears with said shaft, of separately operable supplemental propelling devices for said appara-tus operable independently of truck Wheel drive and driven at similar speeds .through said fast andsloW speed gear trains from the opposite ends of said shaft.

34. The combination with a mining apparatus of Jthe Wheel .mounted type adapted to run along a mine 'trackvvay and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine traclvvay and mechanism for driving the Ytruck Wheels to propel the apparatus along the mine traclrivay at a relatively slovv speed during the cutting operation and at a relatively high speed during transport `and including a fast speed gear train anda sloiv speed gear train having coaxial terminal gears, a shaft coaxial with said gea-rs, and clutches .for selectively-connecting said terminafl gears With said shaft, said truck Wheels being driven from one lend of said shaft, of' supplemental propelling means for lthe appara-tus operable independently of truck Wheel drive and driven from the opposite ends -of said shaft at similar speeds through said fast and slow speed gear trains and under the control of said clutches.

35. rllhe combi-nation With a mining apparatus of the Wheel mounted type adapted to run along a mine traclrvvay and having cutting mechanism adapted to Aoperate While said apparatus is supported and guided Yby the ymine traclrvvay and mechanism for vdriving the truc'lr Wheels to propel the apparatus along the Imine trackway at a relatively slow speed Iduring the cutting operation and at a relatively high speed during transport andV including a fast speed gear train and a slow speed gear train having coaxial terminalV gears, a shaft coaxial With said gears, and clutches for selectively connecting said terminal gears With said shaft, said truck Wheels being driven from vone end of said shaft, of supplemental propelling means for the apparatus operable independently of truck Wheel drive and driven from lthe oppositel end of said shaft at similar speeds through said fast and slow speed gear trains and under the control of said clutches, said supplemental propelling means including a friction clutch for connecting the same at will in driving relation with said shaft.

36. The combination With a mining apparatus of the Wheel mounted type adapted to run along a mine trackway and having cutting mechanism adapted to operate YWhile said apparatus is supported and guided by the mine trackway, and including a lrerf cutter disposable in vhorizontal and vertical cutting positions, and mechanism for drivingl the truck Wheels to propel the apparatus along the mine trackway during the cutting operation While said lrerf cutter is .in either of its operating positions, of supplemental propelling means for the apparatus operable vindependently of truck Wheel drive for propolling` the apparatus during` cutting.

37. The combination With a mining apparatus of the wheel mounted type adapted to run along a mine trackway and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine trackvvay and including a kerf cutter disposable in horizontal and vertical cutting positions and mechanism for driving the truck Wheels to propel the apparatus along the mine trackvvay during the cutting operation While saidkerf cutter is in either of its operating positions, of supplemental propelling means for the apparatus operable independently of truck Wheel drive for propelling the apparatus during cutting, and including a cable Winding device and a cooperating draft cable.

38. The combination With a mining apparatus of the Wheel mounted type adapted to run along a mine trackvvay and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine trackway and mechanism for driving the truck Wheels to propel the apparatus along the mine traclWay during the cutting operation, of supplemental propelling means for theapparatus operable independently of truck wheel drive and driven at a similar speed and including a cable Winding device disposed at one side of the apparatus', and a cooperating draft cable.

39. The combination with a mining apparatus of the Wheel mounted type adapted to run along a mine trackWay and having cutting mechanism adapted to o erate While said apparatus is supported an guided by the mine trackway and mechanism for driving the truck Wheels to propel the apparatus along the mine trackway during the cutting operation, of supplemental propelling means for the apparatus operable independently of truck Wheel drive and driven at a similar speed and including independently operable cable Winding devices arranged at opposite sides of the longitudinal median line of the apparatus, and draft `cables coo erating with said winding devices respective y.

40. The combination with a mining apparatus of the Wheel mounted type adapted to run along a mine trackway and having cutting mechanism adapted to operate While Asaid apparatus is supported and guided by the mine trackvvay, and mechanism for propelling the apparatus along the mine ,tra/ck- Way during the cutting operation, of supplemental propelling means for the apparatus operable independently of propulsion by said first mentioned propelling mechanism and driven at a similar speed, and including a winding device disposed on a horizontal axis on one side of the apparatus and a cooperating draft element.

41. The combination With a mining apparatus of the Wheel mounted type adapted to run along a mine trackway and having cutting mechanism adapted to operate While taneously operable, relatively rotatable cable vWinding devices and cooperating draft cables. l

42. The combination With a mining ap-` paratus of the Wheel mounted type adapted to run along a mine trackvvay and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine trackWayl and mechanism for driving the truck Wheels to propel the'apparatus atV a predetermined relatively low speed during the cutting operation and` at a relatively high speed during transport, of supplemental vpropelling means for the apparatus to eect a continuous slow speed drive appropriate for cutting and at substantially the same speed as said sloW truck Wheel driving speed, said supplemental propelling means including means for rendering said supplemental means'inoperative during operation of said truck Wheel driving mechanism. v y `43. Theicombination with a miningapparatus of the Wheelv mounted type adapted to run falonga mine trackway and having cutting mechanism adapted to operate While said apparatus is supported and guided by the mine traclrvvay and mechanism for driving the truck Wheels topropel the apparatus at a relatively low speed during the cutting operation and at a relatively high speed during transport, of supplemental propelling means for the apparatus forpropelling t-he latter at substantially the same speed as said 10W truck Wheel driving speed and including a Winding `device arranged at a'horizontal axis at one side of the apparatus and a cooperating draft element and means for rendering said Winding'device.inoperative during operation of said truck Wheel vdriving' mechanism. 44. The combinationV With a mining apparatus of the Wheel mounted type adapted to run along a mine traclvvay and having cut,- ting mechanismadapted to operate While said apparatus is supported and guided by the mine trackway and mechanism for driving the truck Wheels to propel the apparatus at a predetermined cutting speed during the cutting operation and at a relatively high speed during transport, of supplemental propelling means for propelling the apparatus at substantially the .same speeds and including means for rendering said supplemental means inoperative during operation ofsaid truck lWheel driving mechanism.

45. The combination With a mining apparatus of the Wheel mounted type adapted to run along a mine trackway and having cut` ting ymechanism adapted to operate while said apparatus is supported and guided by the mine trackway and mechanism for driving the truck wheels to propel the apparatus along the mine trackway during the cutting operation, of supplemental propelling means for the apparatus for supplementing the truck wheel propulsion mechanism during the cutting operation including a cable winding drum and 'a cooperating haulage cable and mechanism for driving said haulage drum including a transverse shaft, a second transverse shaft coaxial with said drum, said drum being mounted for rotation relative to said shaft, and transmission connections including bevel gearing connecting said shafts in driving relation.

46. The combination with a mining apparatus of the wheel mounted type adapted to run along a mine trackway and having cutting mechanism adapted to operate while said apparatus is supported and guided by the mine trackway and mechanism for driving the truck wheels to propel the apparatus along the mine trackway at a slow cutting speedduring the cutting operation, of supplemental propelling means for the apparatus for supplementing the truck wheel propulsion mechanismduring the cutting operation and at substantially the same speed as said slow truck wheel driving speed, said supplemental propelling means including a cable winding drum and a cooperating haulage cable and mechanism for driving said haulage drum including a transverse shaft and a friction clutch for connecting said drum and shaft in driving relation.

47. The combination with a mining apparatus of the wheel mounted type adapted to run along a. mine traclway and having cutting mechanism adapted to operate while said apparatus is supported and guided by the mine trackway and mechanism for driving the truck wheels to propel the apparatus along the mine trackway during the cutting operation, of supplemental propelling means for the apparatus for supplementing the truck wheel propulsion mechanism during the cutting operation including a cable winding drum and a cooperating haulage cable and mechanism for driving said haulage drum including a transverse shaft, a friction clutch for connecting said drum and shaft in driving relation, and a control member threadedly connected to the outer extremity of said shaft for controlling said friction clutch.

48. The combination with a mining apparatus of the Wheel mounted type adapted to run along a mine traclway and having cutting mechanism adapted to operate while said apparatus is supported and guided by the mme trackway and mechanism for driving the truck wheels to propel the apparatus along the mme trackway at a slow cutting ation and at substantially the same speedy as said slow truck wheel driving speed, said supplemental propelling means including a cable winding drum and a cooperating haulage cable and mechanism for driving said haulage drum including a transverse shaft, a friction v clutch for connecting said drum and shaft in driving relation and means for controlling said clutch, said truck wheel driving mechanism including a chain driving sprocket operatively connected to the truck Wheels and also driven by said transverse shaft. y

49. T he combination with a mining apparatus .of the wheel mounted type adapted to run along a mine traclrway and having cutting mechanism adapted to operate while said apparatus is supported and guided by the mine traclway and mechanism for driving the truck wheels to propel the apparatus at a predetermined cutting speed during the `:cutting operation, of supplemental propelling means for the apparatus operable independently of truck wheel drive for propelling the apparatus at a similar speed and including a plurality of independently or simultaneously operable winding devices and cooperating draft elements.

50. The combination with a mining apparatus of the wheel mounted type adapted to run along a mine traclivvay and having a cutting mechanism adapted to operate while said apparatus is supported and' guided by the mine trackway and mechanism including a motor for driving the truck wheels to propel the apparatus during the cutting operation,

of supplemental propelling means for the apparatus driven by said motor and operable independently of truck wheel drive andincluding a plurality of independently or simultaneously operable winding devices and cooperating draft elements.

5l. ln a mining apparatus, a wheeled truck adapted to run along a mine trackway, cutting mechanism carried by said truck and adapted to operate while supported thereon and propelled thereby, a moto-r on said truck, mechanism driven by said motor for driving the truck wheels to propel the apparatus along the mine trackway to effect feed of the cutting mechanism during the cutting operation, and supplemental propelling mechanism driven by said motor including independently or simultaneously operable haulagedevices and cooperating haulage cables.

52. In a mining apparatus, a wheeled truck adapted to run along a mine trackway, cutting mechanism carried by said truck and adapted to operate while supported thereon and propelled thereby, a motor on said truck, mechanism driven by said motor for driving the truck wheels to propel the apparatus along the mine trackway including transmission gearing for driving the truck Wheels at a predetermined cutting speed, and supplemental propelling means driven through said transmission gearing including a plurality 0f independently or simultaneously operable Winding devices and cooperating draft elements.

53. In a mining apparatus, a Wheeled truck adapted to run along a mine trackway, cutting mechanism carried by said truck, a motor on said truck, mechanism driven by said motor including fast and slow speed gearing for driving the truck Wheels to propel the apparatus along the mine trackway at either a relatively high speed or at a relatively low speed7 and supplemental propelling mechanism driven through said gearing for propelling the apparatus at similar speeds, and including a plurality of independently or simultaneously operable winding devices and cooperating draft elements.

In testimony whereof I aix my signature.

CHARLES F. OSGOOD.

CERTIFICATE 0F CORRECTICN.

Patent No. 1,849,310. Granted March 15, 1932, to

CHARLES. F. OSGOOD.

It is hereby certified that error appears in the printed specification of the above numbered patent requiring correction as follows: Page 1, line 71, before the syllable "al" insert the words and comma now matured into Patent No. 1,785,961, patented Dec. 23, 1930,; same page, lines 86 and 87, strike out the words "or to be tilted" and insert the words and tilting, and line 98, for "mechanism" read mechanisms; page 2, line 118, for "hauling" read haulage; page 3, line 61, for "forward", read forwardly; and that the said Letters Patent should be read with these corrections therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 31st day of May, A. D. 1932.

M. J. Moore, (Seal) Acting Commissioner of Patents.

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