US2432156A

US2432156A - Railway car moving apparatus

Info

Publication number: US2432156A
Application number: US610145A
Authority: US
Inventors: Robert H Hill
Original assignee: Individual
Current assignee: Individual
Priority date: 1945-08-10
Filing date: 1945-08-10
Publication date: 1947-12-09
Anticipated expiration: 1964-12-09

Description

Dec. 9, 1947. R. H. HILL RAILWAY CAR MOVING APPARATUS Failed Aug. 10, 1945 5 Sheets-Sheet 1 l H ll'iI INVEN'IIOR.

@ofi er 27 Z ATTORNEYS Patented Dec. 9, 1947 UNITED STATES PATENT OFFICE RAILWAY CAR MOVING APPARATUS Robert, H. Fill, Elgin, Ill., assignor to himself and Harold Hoffman, Elgin, Ill.

Application August 10, 1945, Serial No. 610,145,

13 Claims.

This invention relates to railway car moving apparatus, and particularly the invention relates to apparatus of the aforesaid character adapted for pushing or imparting relatively slow movement to railway cars while'such cars are located on sidings at loading platforms, or in and about manufacturing plants, or in other similar situations Where a, conventional switching locomotive is not readily available.

Where such movements of railway cars have been required it has heretofore been customary to utilize a car pusher in the form of an elongated hand lever having a forward operating end or element associated therewith and adapted to be wedged into the acute angular space between a car wheel and the rail upon which such wheel is supported, and by downward movement of the hand lever, the operator causes the operating end or element of the car pusher to impart an upward and forward force to the wheel to thereby cause forward rolling movement of the wheel. The operator then raises the hand lever and forces the forward element of the car pusher forwardly along the rail so as to reestablish the operative relation between the car pusher and the car wheel, and by another downward movement of the operating handle another forward rolling force may be applied to the wheel. Thus by repeated up and down movements of the operating handle, coupled with appropriate forward movements of the pusher to repeatedly reestablish the operative relationship with the wheel, an operator with the conventional car pusher is able to attain the desired movements of a railway car, but such movements of the railway car are relatively slow, and involve extreme physical exertion, particularly where the cars are heavily loaded or where the siding or track is inclined or curved.

In view of the foregoing it is the primary object of the present invention to simplif the p shing or moving of railway cars on sidings and the like, and to enable such car movements to be attained rapidly and with very little physical exertion. Further and related objects of the invention are to-enable a car pusher to apply a continuous forward rolling force to the wheel of a car so as to attain a continuous forward movement of the cars, to automatically maintain such a car pusher in an operative relationship with respect to the carwheel as the forward rolling movement of the ear wheel progresses, and to enable such a car pusher to be embodied in a relatively portable form that includes power driven means for applying the requisite forces between the ear wheel. and the rail.

Other and further objects of the present invention will be apparent from the following description. In the accompanying drawings which, by way of illustration, show a preferred embodiment and the principle thereof and what I now consider to be the best mode in which I have contemplated applying that principle. Other embodiments of the invention embodying the same or equivalent principle may be used and structural changes may be made as desired-by those skilled in the art without departing from the present invention and the purview of the appended claims.

In the drawings:

Fig. l is a side elevational view of a car pusher embodying the features of the invention;

Fig. 2 is a, vertical sectional view taken along the line 2-2 of Fig. 1;

Fig. 3 is a plan view taken partially in section to illustrate details of internal construction;

Fig. 4 is a fragmental vertical'section taken on the line 4-4 of Fig. 3;

Fig. 5 is a plan view; a d

Fig. 6 is an elevational view of the car pusher. V

In the form chosen for disclosure herein the invention is embodied in a power operated car moving apparatus or car pusher l0 that is portable in character and is adapted to be supported and guided on a railway rail R so as to be disposed in the rearwardly facing acute angular space between a rail R and the tread Tof a wheel W supported on the rail, and when the car pusher I0 is the other side of thus positioned it is effective to impart forward rolling forces to the wheel'Wto thereby cause the desired forward movement of the railway car that is carried in part by such wheel. The car pusher ID has its operating mechanisms carried by a main frame I2 which, as shown in Fig. 1, is generally triangular in side elevation so as to thereby enable the frame to beaccommodated in the acute angular space that is available between the rail R. and the wheel W, and the narrow forward end or ex.- tension IZF of the frame [2 serves as a mounting for a force applying or tractive unit [4 for operative engagement with the wheel W and the rail R to impart forward rolling movement to the wheel W and at the same time advance the car pusher l0 along the rail to maintain the desired operative. relationship with the wheel W. The forward end of the frame I2 is supportedand-guided on the rail R by elements of the tractive unit, as will hereinafter become evident, while the rear end of the frame l2. is supported on the rail-R by a roller l6 disposed near the rear end of the frame, and in the use of the car pusher I0, its position and operation may be controlled and governed by the operator by means of a handle l8 that extends upwardly and rearwardly from the frame l2 so that it may be grasped and held by the operator during operation of the car pusher.

In the present instance the tractive unit l4 of the car pusher ID is driven by power means in the form of an electric motor that is mounted on one Side of the frame [2 as to project laterally therefrom, and the weight of the motor 20 is substantially counterbalanced by a lateral extension 22, that projects from the opposite side of the frame, as shown in Figs. 3 and 5, and which serves as a housing for a part of the power transmission means between the motor 2!] and the tractive unit I 4. In practice the electric power for the motor 20 is supplied by an electric cord 24 that extends into the end of the handle l8 as shown in Fig. 1, and the handle is preferably tubular in character so that the cord 24 may extend downwardly therethrough to a point adjacent the frame 12 where it is led outwardly through a side opening 26 and is connected to the motor 20. Near the upper end of the handle I8 a control switch 28 is mounted inside of the handle, and is interposed electrically in the cord 24, and by manipulation of a projecting switch handle 28A, the user may start and stop the motor 20 as required in the use and control of the car pusher.

As will be evident in Figs. 3 and 5, the frame I2 is constructed in the form of a sectional housing that affords an enclosure as well as mounting means for the elements of the transmission gearing between the motor 20 and the tractive unit 14, and to this end, the frame l2 comprises a main housing section |2A having a side wall I23 and edge flanges or walls 120 about the edges thereof to thereby define a gear chamber !2D that is closed by a side or cover plate IZE. Fastening bolts 29 are extended through the housing section I 2A and into the cover plate IZE to secure the same in position on the section HA. The main housing section [2A has a projecting mounting base or flange 30 extended from the outer side thereof to receive and interlock laterally with the flanged end of the casing of the motor 20, and fastening bolts 32 extended through the motor casing are threaded into the flange 30 so as to hold the motor 26 in place on the housing section I2A,

When the motor 20 is thus secured in place the motor shaft 29A extends through an opening 34 in the side wall I 2B of the housing section l2A so that a drive pinion 36 on the end of the motor shaft 20A is disposed within the gear chamber I2D. The pinion 36 that is thus located within the gear chamber I2D is operative to drive a speed reducing and motion transmitting gearing that is housed in part within the gear chamber I2D and in part within the extension 220i the frame l2, and such gearing terminates in a drive shaft 40 that is supported in the extension 22 and is operatively connected to the tractive unit l4 in a driving relation as will hereinafter be described in detail. In effecting such driving connection between the drive shaft 45 and the tractive unit I4, the drive shaft 49 is so disposed that a splined end 46A thereof is located within the forward frame extension IZF and outside of the forward edge wall IZC of the housing section I2A, and to afford such a location for the shaft 40, the extension 22 is formed on the'cover plate IZE in a forward position as shown in Figs. 3, 5 and 6. Thus, the extension 22, as herein shown, comprises a first tubular section 22A opening through the plate I 2E into the gear chamber [2D and a second tubular section 223 formed on the plate I 2E so as to open through the plate at a point forwardly of the forward edge wall [20 of the housing, and the projecting ends of the

tubular sections

22A and 22B are closed by a hollow and generally cupshaped cap 220 that abuts a flange 22F formed about the ends of the

tubular sections

22A and 22B, and the cap 220 is held in place by screws 42.

The drive shaft 46 is rotatably supported in the tubular section 223 by a bearing sleeve 44 and near the end thereof a gear 45 is fixed on the shaft 46 so as to be disposed within the cap 22C, the extending end 40B of the shaft 46 being supported in the cap 220 by a bearing sleeve 46. The tubular section 22A serves to support a transmission shaft 56 by means of a bearing sleeve 52, while a bearing sleeve 54 in the cap 220 rotatably supports the end 50B of the shaft 56, and between the two

bearings

52 and 54, the shaft 56 is splined as at- 50A and has a gear 55 engaged with the splines 56A and housed within the cap 220. The

gears

45 and 55 are operatively connected by an idler gear 51 disposed within the cap 22C and fixed on a supporting stub shaft 58. One end of the stub shaft 58 is rotatably supported on a bearing sleeve 51 in the cap 220, while a bearing sleeve 60, mounted in a web 22W that connects the ends of the

tubular sections

22A and 22B, serves to support the other end of the stub shaft 58.

The transmission shaft 50 is arranged to extend into the gear chamber I2D, and within this chamber a gear 65 is fixed so that a speed reducing gearing may be afforded within the chamber 12D between the drive pinion 20A and the gear 55. Such speed reducing gearing is in the present case afforded by a series of interconnected gears and pinions supported within the housing or chamber I2D by three parallel shafts 65, 6? and 68, the opposite ends of which are rotatably supported by appropriate bearings, such as bearing bosses 69, provided on the side wall I23 and. the cover plate I2E. The shaft 66 has a large gear 66G and a small pinion 66P fixed thereon so that the gear 66G is meshed with the drive pinion while the shaft 61 has a large gear MG and a small pinion 6IP fixed thereon so that the gear 61G meshes with the pinion 66F. Similarly, the shaft 68 has a large gear EEG and a small pinion 68F fixed thereon, and the gear 68G is meshed with the pinion 67F while the pinion 68P is meshed with the gear 65. Thus a substantial gear reduction is afforded whereby the drive shaft 46 is driven at a slow speed that is suitable for operation of the tractive unit l4.

As hereinbefore pointed out, the tractive unit I4 is supported by the forward extension 12F of the frame l2 of the device, and as will be apparent in the drawings, the extension I2F of the frame is sectional in character and is formed in part by a forward extension of the cover plate iZE of the gear housing. Thus this forward extension IZF acts as one bearing plate and serves as a support for a parallel but spaced bearing plate 1:"! so that the operating or force applying elements of the tractive unit l4 may be supported between such bearing plates. The force applying elements of the tractive unit M are in the present case afforded by three toothed wheels H, 12 and 73 that are rotatably mounted between the bear ing plates [2F and 10, and the two bearing plates re senamhlvreleied-H31 eams such e he n, PQsition .therebetw'enl wheels o be 291 the. towa d e d nd "there stwe l th geed. reamed which fastening bolts .11 are extended'whilead jacentthe forwardfwall {2C cr nge housing; the plates lZ F and m have .o p'osea upunibosses IS arrange'd so their inner. endsf abut each other; and a fastening bolt T9 'ispassedthrough the bosses 18 to secure the plate 'Hl 'on'the' plate MP.

The mounting space'that'is thus afforded between the plates [2F and lfl'is'arranged' to be open at its upper and lower sides, and the't'oothed wheels 1 land I? are arranged so that their lower edges extend out of theo'pen lower side of the mounting space, whilev the upper surface of the toothed wheel. 12 extends outwardly through the open upper side of the mounting space. The wheels ll and i3 aretherefore positioned so as to ride upon the upper surface of the rail 3, and

the desired guiding of the forward end of the machine is accomplished by a downwardlyprojecting guide lug 3%} formed respectively on the lower edge of the plate IQ and on the tubular portion 223, and a pair of downwardly projecting lugs 8i on the lower edge of theplate iZF. The lugs 80 and 8! are thusdisposed so as toextend downwardly along. Opposite side edges of the rail R, and hence the tractive unit M is maintained in the proper lateral relationfto the rail R and the wheel W. In supporting the toothed wheels? l, 12 and 13 in the desired relationship between the plates [2F and 'i'il, the toothed wheel H is internally splined and is mounted on the splined portion 46A of the drive shaft 40, the reduced end GQC of this shaft beingsupported in a bearing sleeve 33 in the plate 56. The wheel ll is thus located near the rear end of the tractive unit iii. and the toothed wheel 13 is supported in spaced relation thereto and near the front of the unit it on a shaft 84 that is embodied as atie bolt having a head 84A and a nut 8 13 so as to thereby afford additional means holding the mounting or hearing plates IEP and I8 together. The other a toothed wheel 12 is mounted on a stub shaft 85 so that the ends of the shaft extend beyond the ends of the wheel 12 and are loosely supported in retaining pockets or bores 85, Fig. 3, formed in the bearing plates LZFand l0.

The arrangement of the toothed wheels ll, l2 and i3 is such in the present instance that the teeth of the wheel 12 rests upon. and meshes with the teeth of the wheels H and i3 so that the wheel 1'2 acts as an idlenor transmitting connection between the wheel l3 andthewheel 5!. Thus when the shaft 60 is drivenin thedirecti-on indicated by the arrow in Fig. 4, so as to thereby advance the car pusher in a forward direct on toward a wheel W, the wheel]??? will be similarly driven in such a direction as to also have a similar-forclri'ving action. the same time and .as to such-forward advancing movement ward an incident .of the car pusher, the upper? toothed wheel "52 .is

driven in the opposite direction as indicated by the arrow on the wheel 12" in Fig. 4, and hence when the exposed uppersur-face of the wheel'l2 engages the tread of the-wheel W, it will-tend to impart forward rollingznovement to the wheel-W as indicatedby the arrow applied to the wheel in Fig. 4.

Since the teeth of the several wheels H, 12 and 13 are in the present instance arranged to function both as powertransmitting gears and .as

fr ctiona slemsnt f d i me engaging the the reaction of the car wheel W to pressjthe teeth offthefw'heel i2, downwardly into positive engagement with theteeth'of the other wheelsll" and 13,," and hence the driving connection therebetweenjbecomes more positive as the: load in} creases.

In the use of the car pusher that is thus afforded, the device is placed in position on the rail Radjacent toa wheel W of a railway car that is t6 be moved, and is held in an upright position by means of the rearwardly extending handle l8.

When the car pusher is thus positioned the wheels it and '13 support the front end thereof on'the rail, while the roller l6 supports the rear end h thereof, and the lugs 83 and 8! serve to locate and guide the forward end of the device in a lateral sense on the rail. The operator may then actuate the switch lever 28A to start the motor 20, and the wheels H and I3 of the tractive unit will be started so as to advance the car pusher for wardly toward the adjacent wheel W. The car pusher will thus advance into the" acute angular space between the railand the wheel, and if it happens that the extension 22 is disposed on the innerside of the rail so as to be aligned with the flange of the wheel W, it will be'obse'rvedthat adequate clearances are afforded, aswill be evidentin Figs, 2 and 3.

As such forward movement of the car pusher progresses, the'to othed wheel l? will of course engage the tread of the wheel W, and when this occurs, the combined forward driving action of the wheels" l l and'lSand the upwarddriving ac tion of the wheellZ on the car wheel W will'im part forward rolling movement to the car wheel W. The driving action is of course continuous," and sincethe three toothed wheels 1!,12 and I3 are in effect wedged into" the angular space between the car wheel and the rail by the forward driving action of the wheels H. and I3, the frictionaldriving contact of the toothed wheels with the rail and the car wheel becomes greater as the resistive load increases. Thus the car moving operation of the present car'pus'her is eflicient insofar as the power or force applying action is com cerned, and since the car pusher follows the advancing movement of the car, the forward'movement of the car is continuous, and repeated starting and stopping .of the cal-is avoided so'as'to eliminate waste of time and power.

Eroni the foregoing description it will be apparent that the present invention materially simplifies the. problem of pushing or moving railway cars on sidings or the like, and since'the car pusher providedbythe" present invention is. portable in characterandi's power operated, the de sired carmovementsmay be attained without appreciable physicalexertion'; The present invention providesifor a constant advancing movement of thecar pusher asthe car rolls along the track,

7 be limited to the precise details set forth, but desire to avail myself of such changes and alterations as fall within the purview of the following claims.

I claim:

1. In a portable car moving apparatus adapted to be disposed in an operative position in the acute angle between a railway rail and a car wheel for operative engagement with the wheel and rail to impart rolling movement to such wheel, a portable supporting frame having guide means on the lower portions thereof for engaging the top side edges of such a rail to support and guide said frame along said rail, an upper driving element rotatably mounted on said frame for driving engagement with the rim of such a wheel to impart forward rolling movement thereto as said frame advances in a forward direction along the rail, a plurality of lower driving elements rotatably mounted on said frame and arran ed for driving engagement with said rail to advance said frame forwardly on said rail, a guiding and manipulating handle extended rearwardly and upwardly from said frame, a driving motor mounted on and extending laterally from one side of said frame, and driving gearing on said frame driven by said motor and including speed reduction means, said gearing being disposed so as to extend at least in part from said frame in the opposite lateral direction to said motor to thereby substantially counterbalance the weight of said motor, and said gearing being operatively connected to said upper and lower driving elements to drive the same in opposite rotative directions for simultaneously advancing the apparatus and rotating the wheel.

2. In a portable car moving apparatus adapted to be disposed in an operative position in the acute angle between a railway rail and a car wheel for operative engagement with the wheel and rail to impart rolling movement to such wheel, a portable supporting frame having guide means on the lower portions thereof for engaging the top side edges of such a rail to support and guide said frame along said rail, an upper driving element rotatably mounted on said frame for driving engagement with the rim of such a wheel to impart forward rolling movement thereto as said frame advances in a forward direction along the rail, a plurality of lower driving elements rotatably mounted on said frame and arranged for driving engagement with said rail to advance said frame forwardly on said rail, a guiding and manipulating handle extended rearwardly and upwardly from said frame, a driving motor mounted on and extending laterally from one side of said frame, driving gearing on said frame driven by said motor and including speed reduction means, said gearing being disposed so as to extend at least in part from said frame in the opposite lateral direction to said motor to thereby substantially counterbalance the weight of said motor, and said gearing being operatively connected to said upper and lower driving elements to drive the same in opposite rotative directions for simultaneously advancing the frame and rotating the wheel, and control means for said motor disposed on said handle in a position wherein it is readily accessible to the user.

3. In a portable ear moving apparatus adapted to be disposed in an operative position in the acute angle between a railway rail and a car wheel for operative engagement with the wheel and rail to impart rolling movement to such wheel, a portable supporting frame having guide means on the lower portions thereof for engaging the top side edges of such a rail to support and guide said frame along said rail, an upper driving element rotatably mounted on said frame for driving engagement with the rim of such a. wheel to impart forward rolling movement thereto as said frame advances in a forward direction along the rail, a plurality of lower driving elements rotatably mounted on said frame and arranged for driving engagement with said rail to advance said frame forwardly on said rail, a guiding and manipulating handle extended rearwardly and upwardly from said frame, a driving motor mounted on said frame, and driving gearing on said frame driven by said motor and including speed reduction means operatively connected to said upper and lower driving elements to drive the same in opposite rotative directions for simultaneously advancing the apparatus and rotating the wheel.

4. In a portable car moving apparatus adapted to be disposed in an operative position in the acute angle between a railway rail and a car wheel for operative engagement with the wheel and rail to impart rolling movement to such wheel, a portable supporting frame, means for supporting and guiding said frame along a railway rail, a lower driving element rotatably mounted on said frame for driving engagement with a rail upon which a car wheel is supported to advance said frame toward the wheel, an upper driving element mounted on said frame for driving engagement with the rim of such a wheel to impart forward rolling movement thereto as said frame advances in a forward direction along the rail, a driving motor mounted on and extending laterally from one side of said frame, and driving gearing on said frame driven by said motor and including speed reduction means, said gearing being disposed so as to extend at least in part from said frame in the opposite lateral direction to said motor to thereby substantially counterbalance the weight of said motor, and said gearing being operatively connected to said upper and lower driving elements to drive the same in opposite rotative directions to simultaneously advance the apparatus in a forward direction and impart forward rolling movement to a car wheel as such wheel is engaged and rotated by said upper driving element.

5. In a portable car moving apparatus adapted to be disposed in an operative position in the acute angle between a railway rail and a car wheel for operative engagement with the wheel and rail to impart rolling movement to such wheel, a portable supporting frame having guide means on the lower portions thereof for engaging the top side edges of such a rail to support and guide said frame along said rail, a lower driving element rotatably mounted on said frame for driving engagement with a rail upon which a car wheel is supported to advance said frame toward said wheel, an upper driving element mounted on said frame for driving engagement with the rim of such a wheel to impart forward rolling movement thereto as said frame advances in a forward direction along the rail, a guiding and manipulating handle extended rearwardly and upwardly from said frame, a driving motor mounted on and extending laterally from one side of said frame, and driving gearing, on said frame driven by said motor and including speed reduction means, said gearing being disposed so as to extend at least in part from said frame in the "opposite lateral direction to {said {motor to "thereby balance the weight of said motor, and

said gearing being operatively connected to said upper and *lower'driv'ing-elements to 'drive the same'in' opposite rotative directions to simultaneously advance 'th'e apparatus in a "f OIWaldfdlT eC- tion'and impart forward rolling movement to a 'car wheel "as such wheel is "engaged and rotated by said upper driving element. v

6. Ina po'rtablecar moving apparatus adapted to be disposed in an operative"positionin'the acute angle between a railway rail and a bar wheel for operative engagement with the wheel way rail, an upper driving elementl-rotatably mounted on said frame for driving-engagement with ''the rim'of 'such'a; wheel to 'impartforward rollingmovem ent thereto asfsaid frame advances in a" forward direction j along the rail; "a plurality "of'lower driving elements 'rotatably mounted on said "frame "in rotative weight-supporting --and rotation transmitting' relation with respect to said upperdriving element and arranged for driving engagementwiths'aid 'railtoadvance-said frame forwardly on "said rail} a driving-motor mounted on saidframe, anddriving gearing on said frame driven by said motor and including speed" reduction means operatively connected to one of said lower driving elements to drive the same in a direction such as to advance such apparatus along a rail.

'7. In a portable car moving apparatus adapted v to be disposed in an operative position in the acute angle between a railway rail and a car wheel'for operative engagement with the *wheel and rail 'to impart rolling iiiovment to such wheel, a portable supporting frame having guide means on the lower portions thereof for engaging the top side edges of such a rail to support and guide said frame along said rail, lower driving means rotatably mounted on said frame for driving engagement with a rail upon which a car wheel is supported to advance said frame toward said wheel, an upper driving element rotatably mounted on said frame in rotatably supported engagement with said lower driving means and for driving engagement with the rim of such a wheel to impart forward rolling movement thereto as said frame advances in a forward direction along the rail, a guiding handle extended rearwardly and upwardly from said frame, a driving motor mounted on said frame, and driving gearing on said frame driven by said motor and including speed reduction means, and said gearing being operatively connected to said upper and lower driving elements to drive the same through force applying movements to simultaneously advance the apparatus in a forward direction and impart forward rolling movement to a car wheel as such wheel is engaged and rotated by said upper driving element.

8. In a portable car moving apparatus adapted to be disposed in an operative position in the acute angle between a railway rail and a car wheel for operative engagement with the wheel and rail to impart rolling movement to such wheel, a portable supporting frame having guide means on the lower portions thereof for engaging the top side edges of such a rail to support and guide said frame along said rail, front and rear lower driving elements rotatably mounted in spaced relation on said frame for driving engagement with a rail to impart forward advancing 'movement "to said-frame, an upper drivingslement mounted onfsaid rrame in retati've engagement w1tn said-lower elements-and forlltvlfig engagement with tne-"rim of- 'su'cn awheel Lto impart forward rolling movement thereto as said frame advances in -a "r orward -'d1rection a'long the 'railfa guiding handle extended rearw'ardly and upwardly fromsem name, adr1vmg niotor niounted on said frame, and -driving g-ear'ing 'on said-frame o. iven by sa-id inotor and including speed reduc'tiom-rneans, andsaid gearing being operatively connected to said *upper and newer dll'Vil'lg elements to drive -said lower -elements 'in one dlrectiQn a-Iid said upper-element in -the 'opguide said -framefalongfsaid-rail, "front and rear lower' -drivinge-lements :rotatably' mounte m -spacedfrelationfonsaid fra ne {for 'driving engal'gement with a rail= 'to impart forward -"-advarlcmg "movement to said*-frame,--an upper driving ele- -ment mountedden ed-id frame in rotative engagement-wan end lower eler'rlents ar-i'd for d'ri-ving engagement "witlr the *rim of such a wheel to 5 impart forward rtiimg'movement thereto as said ammmdvancesan arorward direction a long the {rail'yaguiding andle-'eXterided rearwardlyi aiid -upwardly i mm mounted -on said frame, driving' gearing on" 'aid =rrame (iiiiV'B-I'i by s'ald motor-anddn'cmdm speed reduction means; and 'saidi geariiig bein'g 'oper- -sa-id rrameg a 'driv-ing =--motor atively connected to said upper and lower driving elements to drive said lower elements in one direction and said upper element in the opposite rotative direction, and control means for said driving motor located in an accessible position on said guiding handle.

10. In a portable car moving apparatus adapted to be disposed in an operative position in the acute angle between a railway rail and a car wheel for operative engagement with the wheel and rail to impart rolling movement to such wheel, a portable supporting frame, means for supporting and guiding said frame on a railway rail for movement therealong, an upper toothed wheel rotatably mounted on said frame for driving engagement with the rim of such a wheel to impart forward rolling movement thereto as said frame advances in a forward direction along the rail, a plurality of lower toothed wheels rotatably mounted on said frame and arranged for driving engagement with said rail to advance said frame forwardly on said rail, said upper toothed wheel being meshed with both of said lower toothed wheels to act as an idler gear therebetween, a driving motor mounted on said frame and operatively connected to one of said lower toothed wheels to drive said lower toothed wheels in one direction for advancing the frame along a rail and to simultaneously drive the upper toothed wheels in the other direction for imparting rolling movement to a car wheel.

11. In a portable car moving apparatus adapted to be disposed in an operative position in the acute angle between a railway rail and a car wheel for operative engagement with the 75 wheel and rail to impart rolling movement to such wheel, a portable supporting frame, means for supporting and guiding said frame on a railway rail for movement therealong, a pair of spaced lower driving elements rotatably mounted on said frame and arranged for driving engagement with said rail to advance said frame forwardly on said rail, an upper driving element rotatably mounted on said frame for limited lateral shifting movement and rested upon and supported by said pair of lower driving elements and for driving engagement with the rim of such a wheel to impart forward rolling movement to such wheel as said frame advances in a forward direction along the rail, and actuating means mounted on said frame and operatively connected to said upper and lower driving elements to rotate the same in opposite rotative directions for simultaneously advancing the frame along a rail and imparting rolling movement to a car wheel.

12. In a portable car moving apparatus adapted to be disposed in an operative position in the acute angle between a railway rail and a car wheel for operative engagement with the wheel and rail to impart rolling movement to such wheel, a portable supporting frame, means for supporting and guiding said frame on a railway rail for movementtherealong, an upper driving element rotatably mounted on said frame for limited radial shifting movement and for driving engagement with the rim of such a wheel to impart forward rolling movement thereto as said frame advances in a forward direction along the rail, lower rotatable driving means mounted on said frame in rotative supporting relation to said upper rotative element and arranged for driving engagement with said rail to advance said frame forwardly on said rail, and actuating means on said frame and operatively connected to said upper and lower driving elements to drive the same in opposite rotative directions for simultaneously advancing the apparatus and rotating the wheel.

13. In a portable car moving apparatus adapted to be disposed in an operative position in the acute angle between a railway rail member and a car wheel member for operative engagement with the wheel member and rail member to impart rolling movement to such wheel member, a portable supporting frame, means for supporting and guiding said frame on a railway rail member for movement therealong, a first toothed wheel rotatably mounted on said frame for driving engagement with one of said members and a pair of spaced toothed wheels rotatably mounted on said frame and arranged for concurrent driving engagement with the other of said members, said first toothed wheel being meshed with each of said pair of toothed wheels to act as an idler gear therebetween, a driving motor mounted on said frame and operatively connected to one of said toothed wheels to drive said pair of toothed wheels in one direction and through said concurrent driving engagement to simultaneously drive said first toothed wheel in the other direction to thereby simultaneously advance the apparatus along the rail member and rotate the car wheel member.

ROBERT H. HILL.

REFERENCES CITED UNITED STATES PATENTS Name Date Sawlsville Mar. 15, 1932 Number 1,850,065