US1908959A - Derrick - Google Patents

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US1908959A
US1908959A US489310A US48931030A US1908959A US 1908959 A US1908959 A US 1908959A US 489310 A US489310 A US 489310A US 48931030 A US48931030 A US 48931030A US 1908959 A US1908959 A US 1908959A
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truck
wheels
track
shaft
derrick
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US489310A
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Edward V Cullen
Albert G A Schmidt
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Cullen Friestedt Co
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Cullen Friestedt Co
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00Runways, tracks or trackways for trolleys or cranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00Cranes
    • B66C2700/03Cranes with arms or jibs; Multiple cranes
    • B66C2700/0321Travelling cranes
    • B66C2700/0328Cranes on rails or on rail vehicles
    • B66C2700/035Construction details related to the travelling, to the supporting of the crane or to the blocking of the axles; Outriggers; Coupling of the travelling mechanism to the crane mechanism

Description

May 16, 1933- E. v. cuLLEN Er AL 1,908,959
DERRICK v Fixed 00u17, 1930 5 sheets-sheet 1 May 16,1933. E. v. CULLEN Er A'.
DERRICK Filed oct. 17. 1930- 5 Sheets-Sheet 2 E@ nm www May 16, 1933. E. v. CuLLl-:N l-:T AL
DERRICK Filed 0G12. 17, 1930 s sheets-sheet 4 720 @alle -@mami May 16; 1933 E. v. cuLLEN ET AL DERRICK 5 Sheets-Sheet 5 Filed Oct. 17, 1930 Patented 16, 1933 'UNITED STATES PATENT oFFlcE 'EDWARD lV. GULLEN .AIN D ALBERT G. A.. SCHMIDT, OF CHICAG, ILLINOIS, ASSIGNOBB T0 CULLW-FBIESTEDT COMPANY, 0F CHICAGO, ILLINOIS, A CORPORATION Ol' ILLINOIS DERRICK .appiicauon mea oc'tober 17, 1930. serial No. 489,910.v
which is equipped with a boom and hoisting mechanism and has mounted thereon an engine for driving the various operating parts of the derrick; (2) a truck which supports the deck rotatably and embodies flanged wheels for sustaining and propelling the derrick on the railroad track; and (3) set-oil wheels which are mounted on the truck and operate in conjunction with set-off rails laid k'transversely across the track to permit the derrick to be shifted laterally and removed from the track rails so as to clear the track for the passage of a train.
One object of the invention is to provide a derrick of this type which embodies power-driven mechanism for driving the set-olf wheels so as to expedite and facilitate the work of shifting the derrick laterally from the railroad track.
Anotherobject o`f the invention is to provide a derrick of the aforementioned character in whichthe engine on the rotatable deck is used to furnish power for the driving mechanism for the set-oil wheels.
A further object of the invention is to provide a derrick of the type hereunder consideration which is generally of new and im- `struction and is eicient' in operation.
Other objects of the invention and the val rious advantages and characteristics of the present derrick construction will`be ap 'at theconclusion hereof. 4 In'the drawings which accompany and arent from a consideration of the following detailed description.
The invention consists in the several novel features which are hereinafter set forth and are more particularly defined by the claims form a part of this specification or disclosure and in which like numerals of reference denote corresponding parts throughout the several views:
Figure 1 is -a plan view illustrating a der-A rick embodying the invention on a railroad track and positioned opposite to apair of set-off rails:
Figure 2 is a side elevational view exhibiting the manner in which the derrick is tilted vertically so as to permit the hinged sections of the set-off rails to be laid across the railroad track and positioned beneath the set ot' wheels;
Figure 3 is a view of the derrick, partly in side elevation and partly in section;
Figure 4 is aplan view of the truck which supports the deck rotatably and embodies flanged wheels for sustaining and propelling the derrick on the railroad track;
.Figure 5 is a vertical longitudinal section on the line 5 5 of Figure 4;
Figure 6 is a side view showing the truck supported on the set-olf wheels and the construction of the driving mechanism for the set-ofi` wheels; and
Figure 7 is a vertical transverse section of part of the power transmitting mechanism on the rotatable deck..
The derrick which forms the subject Inatter of the invention is adapted to travel on a railroad track l and is designed to be used in connection withthe relaying or repair of the track. It comprises a horizontally rotatable deck 8 anda truck 9. The track T on which the derrick is .adapted to travel con-A sists of a pair of rails t which are arranged in parallel relation and are supported on a series of ties t.. The deck 8 is provided at the `:front end thereof with a pair of brackets 10 and has an internal combustion engine 11 mounted on its rear end. The brackets 10` project upwardly fromthe deck and form a pivotal support forthe inner end of a. boom 12. The latter projects forwardly from the front end ofthe deck and is equippedwith hoisting tackle 13 which is operated by the engine 11. The truck 9 on which the deck is supported rotatably comprises a rectangu? lar frame 14, four flanged Wheels 15 and four set-olf -wheels'16. The wheels 15 are adapted to travel on the track rails t and are driven as hereinafter described so as to propel the'derrick in either direction along the track T. The. set-off wheels 16 extend at right angles to the wheels 15 andare adapted in conjunction with a pair of set-off rails 17 to permit the derrick to be shifted laterally and removed from the track rails t so as to clear the track for the passage of a train. The seto rails 17 extend transversely to and are positioned above the track rails tand are provided with hinged-sections 18 which are adapted to be swung into a position wherein they rest on t-he` track rails andLunderlie the set-oil wheels. 1,
The truck frame 9 consists of longitudinal beams 19 and transverse beams 20. These beams are secured rigidly together and support thereabove a series of floor plates 21. The wheels 15 which are adapted to travel on the track rails t are secured together in pairs by means of a pair ofaxles 22. The latter are mounted in journal' boxes 23 which are connected slidably to pedestals 24 and are retained in connected relation with respect to the truck by means of plates 25. The pedestals 24 are connected to and depend from the outermost longitudinal beams 19 and have the plates 25 secured to the lower end thereof. Springs 26 are interposed between the journal boxes and the top parts of the pedestals.
The deck 8 is connected rotatably to the frame of the truck by means of a vertically extending sleeve 27 which is provided at the upper end thereof with an annular shoulder 28. The latter abuts against a hub 29 which is located in the center of the deck. The lower end of the sleeve extends through a ring 30 which is secured rigidly to the licor plates 21 and embodies a hub 31. This hub is formed integrally with the ring and is connected by a key 32 to the lower end of the sleeve. A nut 33 on thesleeve abuts against the hub 31 and serves to limit upward movement of the sleeve relatively to the ring. The deck 8 is supported rotatably on the truck frame 9 by means of an annular series of rollers 34. These rollers are mounted on brackets 35 and ride on a track 36 which is formed integrally with the ring 30. Rotation of the deck relatively to the truck is effected by means of a pinion 37 which is mounted on a vertically extending shaft 38 and meshes with a ring gear 39. The latter is formed integrally with the ring 30. The shaft 38 projects upwardly and is driven in any suitable mannerby the engine 11 so as to effect rot-ation of the deck.
The wheels 15 are driver/ to propel the derrck by mechanism on the deck and the truck. This mechanism comprises a pinion 40 which is keyed or otherwise secured to .one end of the crank shaft of the engine 11; an' idler gear 41 which meshes with the pinion 40 and 1s journalled on a stub axle 42; an idler gear 43 which meshes with the gear 42 and is journalled on a stub axle 44; a' vgear 45 which meshes with the gear 43 and is connectedlby a key 46 to one end of a horizontally extending shaft 47; a pair of oppositely facing bevelled gears 48 which are mounted loosely on the central portion of the shaft 47 and mesh with a bevelled gear 49; a vertically extending shaft 50 which extends through the sleeve 27 and has the bevelled gear 49 connected fxedly to the upper end thereof 5 a low speed bevelled gear 51 which is connected fxedly to the lower end of the shaft 50; a bevelled gear 52 which meshes with the low speed gear 51-and is loosely mounted on a horizontally extending shaft 53 a high speed bevelled gear 54 which is fixedly secured to the shaft 50 above the low speed gear 51; a bevelled gear 55 which meshes with the hi h vSpeed gear 54 and is mounted loosely on t e shaft 53; a pair of beveled gears 56 which are fixedly secured to a pair of shafts 57 and are driven from the shaft 53 by 'a pair of intermediate shafts 58; and bevelled gears 59 which mesh with the gears 56 and are fixedly secured to the central portions of the axles 22. The gears`48 and 48 are connected to rotate withthe shaft 47 by means of a clutch collar 60. This collar is slidably mounted on the central portion of the shaft 47 and is connected to rotate with the shaft by means of splines 61. Driving lugs 62 are formed on theends of the collar and are adapted to interlock with sockets 63 in thehubs of the gears 48 and 48a so as to effect a driving connection between the collar and said gears. When the clutch collar is shifted in one direction, the gear 48 is locked to the shaft 47 and operates during drive of the shaft to cause rotation of the wheels 15 in one direction. When the clutch collar 60 is shifted in the other direction, the gear 48a is locked to the shaft 47 and operates during drive of the shaft to rotate the wheels 1'5 in the opposite direction and effect propulsion of the derrick ina reverse direction. When the clutch collar 60 is in an intermediate orv neutral position', neither of the gears 48 and 48a is locked to the shaft 47 and consequently the derrick remains stationary. Shift of the'clutch collar 6() on the shaft 47 is effected by means of a lever 64. This lever is mounted on the deck and is provided with a fork which straddles the collar and embodies inwardly extending pins 64. The latter project into an annular groove 65 in the central portion of the clutch collar and operate in response to movement of the lever to shift the collar on the shaft. The collar 60, together with the bevelled gears 48 and 48a arnd the various hereinbefore described shafts and gears, examplilies means whereby the wheels 15 may be driven in'one direction o'r the other from the engine 11 on the rotatable deck. If desired, friction clutches may be used to control the bevelled gears 48 and 48l instead of the clutch collar 60. The bevelled gears 52 and 55 are connected to rotate the horizontal shaft 53` from the vertical shaft 5.0 by means of a clutch collar 66. This collar is slidably mounted on the central portionbf the shaft 53 and is terlock with sockets 69 in the ends of the collar 66 so as to form a driving connection between the gears and the collar. Vhen the collar 66 is shifted into interloekerd relation with the gear 52, the gear 52 is locked to the shaft 53 and a low speed drive of the latter is effected through the medium of the low speed bevel gear 58 and the gear 52. `When the collar 66is shifted in the opposite direction, the gear 55 is locked to the shaft 53 and the latter is driven at a high speed through lthe medium of the high speed bevel gears 54 and the gear 55. The collar 66 and the high and low speed bevelled gearsl and 54, together with the beveled gears 52 and 55, exemplify means whereby the shaft 53 may be driven either at a low or high speed from the vertically extending shaft 50. Shift of the clutch collar 66 on the shaft 53 is effected by means of a horizontally extending shaft 70. This shaft is provided at one end thereof with a fork 71. This fork straddles the clutch collar 66 and operates when the shaft 70 is rocked to shift the collar on the shaft 53.
Theshaft 70 i-s mounted in a bracket 72 on one ofthe longitudinal beams 19 and embodies a crank 73 whereby it may be rocked.
The pinion -and the gears 41,43 and 45 are disposed in a housing 74 which is mounted on the' rotatable deck 8. The shaft 47 extends horizontally across the central portion ofthe deck and has the ends thereof journalled in bearings 7 5 and 76. The low and high speed bevelled gears 51 and 54 and the bevelled gears 52 and 55 are disposed in a housing 7,7. This housing islocated beneath the central portion of the truck frame 14 andis connected in any suitable manner to the two innermost longitudinal beams 19. The shaft 53 extends-.through the housing 77 and is journalled in bearings 78 which are formed integrally with and project outwardly from the s'ides of the housing. The intermediate shafts 58 are connected to the shafts 57 and the ends of the shaft 53 by means of universal joints 79 so that the axles 22 are free to move vertically relatively to the truck frame 14. The bevelled gears 56 and 59 which serve to drive the axles 22 from the intermediate shafts 58 are disposed in housings 80.- The latter are formed of'complementary sections and fit loosely around the axles 22.
The set-oil' wheels 16 are secured in pairs by meansvof axles 81. These axles are arranged in parallel relation, extend longitudinally with respect to the truck and are journalled in plates 82 which are connected to and depend from angle brackets 83. The latter, as indicated in Figures 3, 4 and 6 are connected to the outermost longitudinal beams 19 -of the truck frame 14. The setof wheels 16 are considerably smaller than the wheels 15 and are supported by the axles 81 and the plates 82 so that they are located above the track rails t when the truck 9 1s supported on the track '1 by the wheels; 15. In removing the derri'ck from thetrack by the use. of the wheels 16, the deck isfirst rotated so that it extends lengthwise of the track T. Thereafter, the hoisting tacklel13 4is hooked onto one of the track rails t and the mechanism for operating'thetackle is actu-- ated so as to cause the derrick to tilt. vertlcally as indicated in Figure 2. Vhlle the ,derrick is in its tilted position, the hinged section 18 of the set-off` rail that is aligned with the raised end of the truck is swung into its operative position across the track. rails 1. Thereafter, the cable ofthe hoisting tackle 13 is paid out so as to lower the raised end of the truck and cause the; set-off wheels at said truck-end to rest upon the hingedv set-off sect-ion 18 that extends across the track rails t. At the conclusion of these operations, the deck 8 is-rotated 180o and the holsting tackle is again applied to one of the track rails t and is operated so as to raise or t1lt vertically the other end of. the truck. 4The other hinged section 18 is then swung across the track T. By paying out the cable of the hoisting tackle 13 the raised end of the truck is lowered so as to cause engagement of the set-off wheels lat said truck-end to engagethe subjacent section 18. The wheels 15 of the truck 9 are elevated with respect to the track T and are positioned so that the flanges thereof clear the track rails t' and it is thus possible to shift the derrick laterally so as .to clear the track T for the passage of a train.
The set-off wheels 16 are preferably of the double-flanged type so that they are held against axial displacement with respect to the set-oil' rails 17.
To facilitate and expedite the work of shifting the derrick laterally, mechanismis provided for driving the set-off wheels 16 from the engine 11 on the rotatable deck 8. This mechanism comprises a gear 84 which is keyed or otherwise iixedly secured to one end of the horizontally extending shaft 53; .a gear 8.5 which is slidably mounted on and 1s connected by splines 'to a counter-shaft 86 -and is adapted to mesh with and be driven b y 4the gear 84; a sprocket wheel 87 which 1s fixedly secured to and driven by the countershaft 86; and a sprocket wheel 88 which is fixed to one of the axles 81 and is driven from .the sprocket wheel 87 by a chain 89. When the gear 85 is shifted into mesh with the gear 84'and the engine 11 on the deck 8 isconnected to drive the horizontally extendfected through the medium of the counter# y ing shaft 53, drive of the set-off wheels is efi In view of the fact that the horizontally extending shaft 53 may be driven in one direction or the other in response to manipulation of the clutch collar 60 on the shaft 47, the set-off wheels may be driven in one direction to effect removal of the derrick from the track T and then driven in a reverse direction to shift the derrick back onto the track. By manipulating the clutch collar 66 on the horizontally -extending shaft 53,v the set-ofi' wheels may be driven at either a high ora low speed. Shift of' the gear 85 into mesh with the gear 84 on the horizontally extending shaft 53 is effected-by means of a rock shaft 90. This shaft extends transversely with respect to the truck and is provided at one end thereof with a fork 91. The latter straddles the hub of the gear 85 and is connected operatively to the latter bymeans of a pair lof inwardly extending studs or pins 92 which project into an annular groove 93. A handle 94 is connected to the other end of the shaft 90 andis located at one sideof the truck frame 14 so that it is readily accessible.`
By manipulating this handle, the shaft may be rocked so as to shift the gear 85 into and out of mesh with thevgear 84. The gears 84 and 85 and the sprocket wheels 87 and 88 exemplify simple means whereby the set-off wheels 16 may be driven from the engine on the deck. i The shaft 9() is journalled in a pair of brackets 95 which arek connected to and de pend from two of the longitudinal beams 19.
- The counter-shaft 86 is journalled at one end thereof in a bearing 96 which is connected to and supported by the housing 77. The other end of the counter-shaft is jurnalled in a bearing 97 whichis connected to a bracket 98.
In order to brake the derrick when the latter is shifted onto or off the set-off rails, a
brake 99 is provided. This brake comprises a drum 100 and a brake band 101. The drum extends around and is fixedly secured to the hub `of one of the gears 48 and 48a. The band extends around the drum and is adapted to be contracted by any suitable mechanism on the rotatable deck.- By virtue of the fact that the gearlwith which the bra-ke is associated is always in mesh with the gear 49, contraction of the band around the drum will serve to brake the shafts 50 and 53 and stop rotation of the set-off wheels.
The operation of the derrick is as follows:
When the truck 9 is supported on the track T and it is desired to move the derrick from one place to another, the clutch collars and 66 are shifted so as to effect drive of the wheels 15 in the desired direction. lVhen the ,6'0` derrick reachesl its destination, the operator shifts into neutral position either the clutch collar 60 or the clutch collar 66 so as to disconnect the wheels 15 with respect to the engine ,11. When it is desired to remove the derrick from the track so as to clear the track for the passage of a train, the truck 9 is moved on the track into a position where- 'in the wheels 16 are"v aligned with the set-off rails 17. Thereafter the' derrick is manipu- The clutch collar 66 is then shifted into interlocked relation with the bevelled gear 52 so as to ei'ect a driving connection between the low speed gear 51 and the horizontally extending shaft 53. Inasmuch as the wheelsl are supported in an elevated position with respect tothe track T, drive'of the shaft 5 3 does not result in the longitudinal displacement of the derrick. When the derrick is in readiness to be shifted .laterally from the track T, the operator manipulates the handle 94 -so asto rock the shaft 90 and shift the gear 85 into mesh with the gear 84. When the gear 85 is in mesh withthe gear 84, the counter-shaft 86 is drivably connected to the shaft 53 and the set-off wheels are driven through themedium of the sprocket' wheels 87 and 88. To stop the lateral shift of the derrick, the clutch collar 60 is shifted into its neutral position. When vit is desired to return the derrick to the truck, the clutch collar 60 is shifted so as to connect the shaft 50 for reverse drive by the engine 11.
The herein disclosed derrick maybe manufactured at a comparatively low cost. and is exceedingly efficient in operation. By virtue of the fact that the set-off Wheels are power driven, the work -of removing the derrick from the track is expedited and facilitated. Since the driving mechanism for the set-oil wheels is connected to be driven by the shaft that serves to drive the wheels 15, the con- -struction as a whole is extremely simple.
- Whereas a derrick has been described, it is to beunderstood that the invention vmay be used equally as well in connection with any type of truck which is. adapted to travel on a railroad track and embodies a rotatable deck having an engine mounted thereon. It is also to beunderstood that the invention is not to be restricted to the details set forth, since these may be modified within the scope of the appended claims, Without departing from the spirit and scope of the invention.
Having thus described the invention, what we claim as new and desire to secure by Letters Patent, is:
1. 'In combination, an elongated truck having ,a flooring on the top thereof andprovided with a pair of wheels at each end thereof for travel'on a railroad track, a motor associated with the truck, mechanism for propelling the truck along the track comprising a lon 'tudinally' extending shaft under the truckoor- T130 ing connected to be driven by the motor and geared to the wheels, transversely extending set-off wheels mounted between the pairs of wheels at .the ends of the truck and under the truck-ooring to rotate on fixed axes and adapted in response to tilting of the truck to be placed upon set-off rails laid across the track and in conjunction with the set-off rails to support the truck in an elevated position with respect to the track to permit it to be shifted laterally, mechanism for driving the set-oft wheels for truck-shifting purposes comprising gearing between the longitudinally extending shaft and certain of the set-off wheels, and means including a control lever at one side of the truck whereby said gearing may be disconnected from drive by the shaft in'order to permit of stoppage of the truck during lateral shift thereof and of discontinuance of drive of. the set-off wheels during propulsion of the truck on the track.
2. In combination, an elongated truck having a pair of wheels at each end thereof for travel on a railroad track and i, embodying a pair of laterally spaced, longitudinally extending side beams, a motor associated with the truck, mechanism for propelling the truck comprising a longitudinally extending shaft under the truck connected to be driven by the motor and geared to the wheels, a pair of longitudinally extending axles positioned directly under the side beams of the truck and on opposite sides ofthelongitudinallyextending shaft of the propelling mechanism, four set-0E -wheels mounted on the ends of the axles respectively and adapted to be placed upon set-.off rails laid across the track and in conjunction with the set-oli' rails to support the truck in an elevated position with respect to the track to permit it to be shifted laterally, andmechanism for driving the set-ofi' wheels for truck-shifting purposes including a chain and sprocket connection between the shaft of the propelling means and one of the axles for the set-olf wheels.
3. In combination, an elongated truck having a flooring onthe top thereof and provided with a pair 'of wheels at each end thereof for travel on a railroad track, a motor associated with the truck, mechanism lfor propelling the truck comprising a longitudinally extending shaft under the truck-flooring co'nnected to be driven by the motor and geared to and in conjunction with the set-olf rails to support the truck in an elevated position with y the wheels, a pair of longitudinally extending axles positioned under the sides of the truck and on opposite sides of the longitudinally extending shaft of the propelling mechanism, fou-r set-olf wheels mounted on the ends ofk the axles respectively and adapted to be placed upon set-off ralls laid across the track respect to the track to permit it to be shifted laterally, mechanism'for driving the set-off wheels for truck-shifting purposes including 1 associated with the truck, mechanism for propelling the truck in either direction on the track comprising clutch-controlled reversible gearing between the motor and the wheels, transversely extending set-ofwheels mounted on the under side of the truck to rotate on fixed axes and adapted in response to tilting of the truck to be placed'upon set-ofi' rails laid across the track and in conjunction with the set-off rails to. support the truck in an elevated position with respect to the trackto permit .it ,to be shifted laterally, and mechanism :for driving the setoif wheels consisting of gearing driven by the gearing of the truck-propelling means and operative to drive the set-olf wheels in one direction when the truck-propelling gearing is set for normal drive, and to drive thel set-olfwheels inthe reverse direction when the truck propelling gearing is set for reverse drive.
5. In combination, an elongated truck having wheels at the ends thereof adapted to travel on a railroad track, a motor associated with the truck, transversely extending setoll' wheels mounted on the under side of the truck to rotate on fixed axes and adapted in response to tilting of the truck to be placed upon set-off rails laidacross the track and in conjunction with the set-0H rails to support" the truck in an elevated position with respect to the track to permit it to be shifted laterally, and clutch-controlled, reversible gearing driven by the motor and operative to drive the set-off wheels in either direction for truckshiftingpurposes. i
In combination, a` truck having wheels adapted to travel on arailroad track, a deck mounted rotatably on the truck, power-means on the deck, a vertical shaft connected to be driven by the power-means and concentric with the axis about which the deck is rotatable, set-oil wheels mounted on .the underside of the truck sov that they are adapted in conjunction with set-off rails laid across the track to support the truck in an elevated position with respect to the track and permit it to 5 Vit to be shifted laterally,
adapted to travel on a railroad track, a deck mounted rotatably on the truck, power-means on the deck, a Vertical shaft connected to be driven by the power-means and concentric with the axis about which the deck rotates, set-orf wheels mounted on the under-side of the truck so that they are adapted in conjunction with set-off rails laid across the track to support the truck in an elevated position with respect to the track and permit it to be shifted laterally, and reversible gearing for driving the wheels in one direction or the other for truck shifting purposes mounted on and supported by the truck and driven by the aforesaid vertical shaft.
8; In combination, a truck having wheels adapted to travel on a railroad track, a deck mounted rotatably on the truck, powermeans on the deck, a vertical shaft connected to be driven by the power-means and concentric with the axis about which the deck rotates, mechanism for driving the wheels to propel the truck on the track mounted on and carried by the truck and driven by the shaft, set-off wheels mounted on the underside of the truck so that they are adapted in conjunction with set-0H rails laid across the track to support the truck in an elevated position with respect to the track and permit and mechanism for driving the set-0H wheels for truck shifting purposes mounted on and carried by the truck driven by the first mentioned mechanism and including a clutch whereby drive of the setol wheels may be discontinued during propulsion of 'the truck on the track by the truck wheels.
9. In combination, a-truck having wheels adapted to travel on a railroad track, a. deck mounted rotatably on the truck, an engine on the deck, a vertical shaft connected .to be driven by the motor andv concentric with the axis about which the deck is rotatable, re-
versible gearing on the truck driven by the vertical shaft and connected by a horizontal shaft to drive the wheels in one direction or the other, set-olf wheels mounted on the under-side of the truck so that they are adapted in conjunction with set-olf rails laid across the track to support the truck in an elevated position with respect to the track and permit it `to be shifted laterally, and mechanism' for driving the set-oil' wheels for truck shifting purposes driven by the horizontal shaft and including a clutch whereby drive of the set-oil wheels may be discontinued during propulsion of the truck on the track by the truck wheels.
10. In combination, a truck having wheels adapted to travel on a railroad track, a deck mounted rotatably on the truck, powermeans on the deck, set-olf wheels mounted on the truck and adapted in conjunction with set-olf rails laid across the track to support the truck in an elevated position with respect to the track and permit it to be shifted laterally, clutch-controlled mechanism for driving the set-oil wheels from the ower-means, and means controlled from the eck for braking the set-oli' wheels.
11. In combination, a truck having wheels adapted to travel on a railroad track, a deck mounted rotatably on the truck, powermeans to propel the truck on the track, setol wheels mounted on the truck an'd adapted in conjunction with set-off rails laid across the track to support the truck inan elevated position with respect to the track and permit it to be shifted laterally, and means controlled from the deck for braking the setolf wheels.
Signed at Chicago, Illinois, this 1st day of October, 1930.
EDWARD V. CULLEN. l ALBERT G. A. SCHMIDT.
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2482111A (en) * 1947-10-20 1949-09-20 Jackson Vibrators Tie tamping or ballasting machine
US2567672A (en) * 1948-04-21 1951-09-11 Baker Raulang Co Servicing mechanism for vehicles
US2575535A (en) * 1946-05-16 1951-11-20 Nordberg Manufacturing Co Spike hammer
US2602694A (en) * 1948-06-04 1952-07-08 Richardson William Railway track servicing apparatus
US3182604A (en) * 1962-12-13 1965-05-11 Nordberg Manufacturing Co Set-off device and method for railway machines
US3332362A (en) * 1964-01-25 1967-07-25 Earl H Fisher Convertible rail-highway trailer
US4721430A (en) * 1981-09-14 1988-01-26 Brentwood Enterprises Ltd. Railroad track vehicle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575535A (en) * 1946-05-16 1951-11-20 Nordberg Manufacturing Co Spike hammer
US2482111A (en) * 1947-10-20 1949-09-20 Jackson Vibrators Tie tamping or ballasting machine
US2567672A (en) * 1948-04-21 1951-09-11 Baker Raulang Co Servicing mechanism for vehicles
US2602694A (en) * 1948-06-04 1952-07-08 Richardson William Railway track servicing apparatus
US3182604A (en) * 1962-12-13 1965-05-11 Nordberg Manufacturing Co Set-off device and method for railway machines
US3332362A (en) * 1964-01-25 1967-07-25 Earl H Fisher Convertible rail-highway trailer
US4721430A (en) * 1981-09-14 1988-01-26 Brentwood Enterprises Ltd. Railroad track vehicle

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