US2864321A - Adaptors for landing gears of semi-trailer trucks - Google Patents

Adaptors for landing gears of semi-trailer trucks Download PDF

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Publication number
US2864321A
US2864321A US500761A US50076155A US2864321A US 2864321 A US2864321 A US 2864321A US 500761 A US500761 A US 500761A US 50076155 A US50076155 A US 50076155A US 2864321 A US2864321 A US 2864321A
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US
United States
Prior art keywords
wheels
landing gear
track
legs
adaptor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US500761A
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English (en)
Inventor
Clejan Deodat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PIGGY BACK Inc
PIGGY-BACK Inc
Original Assignee
PIGGY BACK Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to BE546929D priority Critical patent/BE546929A/xx
Priority to NL105223D priority patent/NL105223C/xx
Priority to NL206169D priority patent/NL206169A/xx
Priority to US500761A priority patent/US2864321A/en
Application filed by PIGGY BACK Inc filed Critical PIGGY BACK Inc
Priority to FR1149007D priority patent/FR1149007A/fr
Priority to CH331727D priority patent/CH331727A/fr
Priority to GB11067/56A priority patent/GB822913A/en
Priority to DES48338A priority patent/DE1012949B/de
Application granted granted Critical
Publication of US2864321A publication Critical patent/US2864321A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D3/00—Wagons or vans
    • B61D3/16—Wagons or vans adapted for carrying special loads
    • B61D3/18—Wagons or vans adapted for carrying special loads for vehicles
    • B61D3/187—Details, e.g. bridges for floor connections
    • B61D3/188—Wheel guides for the vehicles being carried
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/58—Auxiliary devices
    • B60D1/66—Props
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
    • B60F1/00—Vehicles for use both on rail and on road; Conversions therefor
    • B60F1/02—Vehicles for use both on rail and on road; Conversions therefor with rail and road wheels on the same axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/06—Vehicles adapted to transport, to carry or to comprise special loads or objects for carrying vehicles
    • B60P3/07—Vehicles adapted to transport, to carry or to comprise special loads or objects for carrying vehicles for carrying road vehicles
    • B60P3/073—Vehicle retainers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
    • B60S9/14—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for both lifting and manoeuvring
    • B60S9/16—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for both lifting and manoeuvring for operating only on one end of vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D45/00—Means or devices for securing or supporting the cargo, including protection against shocks
    • B61D45/001—Devices for fixing to walls or floors
    • B61D45/004—Fixing semi-trailers
    • B61D45/005—Fixing semi-trailers by using fifth wheel locks

Definitions

  • This invention relates to adaptors for the landing gears of semi-trailer trucks to enable them to be used in railand-road transportation systems.
  • a system of rail-and-road transportation in which the present invention may be used is described in pending application Serial No. 464,535, filed October 25, 1954, by Etienne DeGrandpre, and owned by the owner of this application.
  • the system therein described includes railway cars having narrow frames lying wholly between the inner sides of the wheels of their running gears and providing an outwardly facing track of narrow gauge for supporting road vehicles which have in addition to their road wheels inwardly facing flanged wheels mounted between the planes of the inner surfaces of their road wheels.
  • Pending application Serial No. 499,461 filed April 5, 1955 by Etienne DeGrandpre, and owned by the owner of the present application, describes a railway unit for use in such a system in which a semi-trailer provided with flanged wheels on its running gear and its landing gear is mounted on a track provided by the frame of a railway car and is held against forward and rearward movement on the car by means engaging part of its running gear.
  • hold-down means which have a sliding engagement with the frame of the railway car so that the landing gear is free from the forward and rearward stresses between the road vehicle and the railway car.
  • the trailer truck is provided with a special landing gear having flanged wheels.
  • My invention is directed to avoiding the necessity of special landing gear by providing an adaptor which may be applied to the landing gears of standard semi-trailers intended forroad use to enable them to be used as part of a railway unit in a rail-and-road transportation system.
  • Objects of the invention are to provide an adaptor which may easily be secured to the landing gears of existing semi-trailer trucks and which will protect the landing gear from injurious strains.
  • a further object of my invention is to provide the adaptor, not only with wheels for running on a track, but also with hold-down means to keep the wheels on the track.
  • the adaptor consists of alight beam whose ends may easily be attached at the lower ends of the legs of a semi-trailer landing gear and wheels mounted on the beam and positioned to run on a track whose gauge is diflerent from the separation of the legs of the landing gear.
  • Fig. '1 is a side view of part of a railway unit consisting of a trailer mounted on a railway car;
  • Fig. 2 is a transverse section of the railway car showing the construction of its frame which provides a track;
  • Fig. 3 is a side View, partially in section, of the lower Patented Dec. 16, 1958 end of one of the legs of a landing gear commonly used on semi-trailers;
  • Fig. 4 is an enlarged partial transverse section on the line 4--4 of Fig. 1 showing the landing gear of the trailer with an adaptor embodying my invention applied thereto;
  • Fig. 5 is an enlarged transverse section on the line 5--5 of Fig. 4;
  • Fig. 6 is a side view of the adaptor and associated parts partially sectioned on the line 6-6 of Fig. 5;
  • Fig. 7 is a horizontal section on the line 77 of Fig. 6 showing the mechanism for operating the hold-down means
  • Fig. 8 is a side view sectioned on the line 8-8 of Fig. 7 showing the hold-down means and the operating mechanism;
  • Fig. 9 is a detailed horizontal section on the line of Fig. 6;
  • Fig. 10 is an enlarged view of a part of the hold-down operating mechanism shown in Fig. 7;
  • Fig. 11 is a side elevation of a modified form of adaptor embodying my invention.
  • Fig. 12 is a plan view of the adaptor sectioned on the line 12-12 of Fig. 11;
  • Fig. 13 is a plan view of the adaptor sectioned on the line 1313 of Fig. 11;
  • Fi 14 is an enlarged transverse section of the adaptor taken on the line 1414 of Fig. 11 and Fig. 15 is an enlarged section on the axis of one of the track wheels of the adaptor.
  • the railway unit shown in Fig. 1 includes a railway car 10 and one or more semi-trailers 30 supported thereon.
  • the railway car 10 has a long narrow box-like frame 11 consisting of two long I-beams 12 secured together by cross-braces 13 in the form of short I-bearns.
  • the ends of the frame of the car are supported on the bolsters 14 of four-wheel trucks 15 of usual construction.
  • the frame 11 of the car lies wholly inside the planes of the inner surfaces of the wheels'of the running gear and the upper outer flanges 16 of the long I-beams 12 provide the rails of a narrow gauge track for supporting inwardly facing flanged wheels.
  • a semi-trailer such as that shown in Fig. 1, is ordinarily provided with a so-called landing gear whose purpose is to provide means for supporting the trailer upright on a road when the trailer is detached from the tractor which supports one end of the trailer in travel on a road.
  • the form of the landing gear of ordinary semi-trailers is shown in Figs. 3 and 4. It consists of two extensible and com tractible telescoped legs 35 extending downwardly from the body or chassis of the vehicle. To provide for extension and contraction of the legs 35, it is usual to have either the screw and gear mechanism 37 shown in Fig. 4 or an equivalent hydraulic mechanism.
  • the lower end of each leg 35 ordinarily carries a T-shaped bearing piece 38 through which extends a shaft 39 on the ends of which are mounted two small wheels 36 called dolly wheels.
  • the attachment consists essentially of a light rigid beam 41 in the form of a long trough having a semicircular bottom, vertical sides and external flanges 43 turned outwardly and downwardly.
  • the trough 41 has a width sutflcient to receive the dolly wheels 36 of a trailer landing gear and a length suflicient to enableit extend between the legs of a trailer landing gear having the greatest separation customarily used in trailers.
  • the trough 41 is secured to the landing gear by placing it so as to receive the dolly wheels of the landing gear and thensecuring it to at least two of the dolly wheels by clamping strips 45.
  • Each clamping strip 45 is curved to fit over the top of one of the dolly wheels and is provided at its ends with two hooks 46. The end of each hook passes around one of the flanges 43 of the trough and enters a recess of a crimped bar 47 secured between the depending portion of one of the flanges 43 and the trough.
  • the upper ends of the hooks are threaded and provided with nuts 48 to engage the top of the clamping strip 45'and draw it down against the upper edge of the trough and the top of the dolly wheel 36.
  • pads 49 of rubber or similar material between the clamping strip and the edges of the trough and between the clamping strip and the top of the dolly wheel.
  • the beam or trough 41 is provided with two symmetrically placed pairs of wheels 42, each of a gauge to fit the track 16 of the railway car.
  • the wheels 42 of the adaptor are mounted on stub shafts 50 extending between transverse plates 51 attached to the trough 41.
  • Each wheel 42 is formed to provide a track wheel, and a wheel to rest on the ground to replace the dolly wheels which are within the trough.
  • Each wheel 42 thus consists of a flanged wheel in which the ordinary narrow flange is replaced by a wide flange 52 which may serve the purpose of a dolly wheel.
  • the beam 41 carries hold-down elements to prevent its wheels 42 from jumping from the track 16.
  • the holddown elements may be projected inwardly below the plane of the bottoms of the smaller portions 53 of the wheels 42 so as to lie under the flanges 16 of the frame of the railway car and have a sliding engagement with them.
  • the hold-down elements illustrated are hookshaped members 60 (Figs. 1, 5, 7) which are pivoted on fixed shafts 61 extending across a long shallow box 62 secured to the bottom of the trough 41.
  • the shafts 61 extend between the side walls of the box in openings provided in the bottom of the box in alignment with the wheels 42.
  • Actuating means for the hold-down elements 60 provide for moving them between their operative position shown in Figs. and 6 and inoperative position in which they are turned up so as to be clear of the rail 16, and for locking them in each position.
  • the actuating means includes arms 63 attached to the pivoted hold-down elements 60 and connected by rods or wires 64 to the arms 65 of discs 66 pivoted on vertical studs 67 near the ends of the box 62.
  • the rotary motion of each disc 66 is limited by engagement of stop bolts 68 with the ends of arcuate slots 69 in the disc.
  • a tension spring 70 in the box 62 is attached to each disc 66 in the manner shown in Fig. so that its inner end swings across the center or the disc when the disc is turned between its two extreme positions. The spring serves to lock the disc in either of its extreme positions.
  • Each disc is provided with a handle 71 projecting through the side of the box 62. This makes it possible to actuate the hold-down elements from either side of the railway unit
  • the adaptor which has been described, it may be retained on the landing gear both when the truck is used on the road and when it is transported on a railwa car.
  • the usual contraction of the legs 35 of the landing gear raises the adaptor well clear of the ground so that it does pot interfere with road operation.
  • the legs 35 may be extended in the usual way so as to bring the enlarged portions 52 of the wheels 42 into contact with the ground where they serve the purpose of the ordinary dolly wheels.
  • the trailer When the trailer is to be transported by rail, it is placed on the track on the frame of a railway car, for example, by means of a tractor as described in the aforesaid application Serial No. 464,535, and the legs 35 of the running gear are then extended sufiiciently to bring the smaller portions 53 of the wheels 42 into engagement with the flanges 16 of the frame of the railway car.
  • One or the other of the handles 71 is operated to project the holddown elements 60 under the flanges 16 so that the wheels are prevented from jumping from the flanges 16, while they are at the same time free to move lengthwise on these flanges to relieve the landing gear of the force of longitudinal stresses between the trailer and the railway car.
  • the modified adaptor shown in Figs. ll to 15 consists essentially of an open-bottom beam which permits the dolly wheels of the landing gear to project below it when it is applied to the legs of the landing gear.
  • the beam is provided with small wheels or rollers to run upon tracks, and it is unnecessary to make these rollers in a form which can replace the dolly wheels since the projection of the dolly wheels through the open bottom of the beam permits the use of these wheels for their usual purpose.
  • the specific adaptor illustrated in Figs. ll to 15 is intended for application to the landing gear of trailers in which the legs of the landing gear are separated by a standard distance.
  • the adaptor 89 consists essentially of a light rigid fabricated beam 81 made up of upper and lower rectangular frames 82, 33 secured together by inclined side pieces 84 and stiffened by transverse members S5.
  • the parts of the beam 81 most desirably consist of hollow tubing as shown in order to make the beam as light as possible.
  • the rectangular upper and lower members 82, 83 each have a width slightly greater than the diameter of the usual dolly wheels of a trailer and the end portions of the lower member 33 are open so that the dolly wheels may project downwardly through them.
  • On-the lower rectangular member of the beam 83 are mounted two pairs of small wheels or rollers 86 of the same gauge as the track 16 on the railway car on which they are to run. In order to guide the wheels 86 on the track, they may be provided with ordinary wheel flanges at their outer ends.
  • a less expensive means for guiding the wheels on the tracks is a short guard 88 projecting downwardly from one of the tubes of the lower rectangular member 83 at the outer end of each roller 86 and of suflicient length to engage the edge of the track 16 when the roller 86 rests on the track, as shown in Fig. 15.
  • curved cross-pieces 89 extend between the sides of the lower rectangular frame near each end thereof. These crosspieces are separated by the same distance as the legs 35 of the landing gear so that each of them may engage the bottom of one of the legs, as best shown in Fig. 14.
  • two U-shaped members 90 are provided to engage the upper surfaces of the T-shaped bearing members 38 at the lower ends of the legs 35 between the dolly wheels 36 (see Fig. 3).
  • the arms of the U-shaped member 90 are inserted through holes 91 in vertical plates 92 extending between the side members of the upper and lower rectangular frames near the ends thereof. When inserted through these holes, the arms of the member 90 overlie the bearing members 38 of the legs 35, as shown in Fig. 14.
  • Each U-shaped member is held in position by a catch 93.
  • the lower edge of the frame lies above the lower surfaces of the dolly wheels 36 of the landing gear, as shown in Fig. 14, so that the beam does not interfere with use of the dolly wheels for their intended purpose of supporting the trailer on the ground when it is detached from a tractor.
  • the four rollers 86 on the beam rest on track 16 provided at the outer edges of the frame of a railway car, and the outer edges of the track are engaged by the depending guards 88 to guide the rollers on the tracks.
  • the rigidity of the frame is such that no lateral twisting strains are brought on the legs 35.
  • An adaptor for the landing gears of semi-trailer trucks to enable them to be used in a rail-and-road transportation system comprising a rigid beam, means located adjacent each end of said beam for attaching the beam to a trailer landing gear so that it extends between the lower ends of the legs of the landing gear, wheels pivoted on said beam and positioned to run on a track of a gauge different from the separation of the legs of the landing gear, and means for guiding the wheels adapted to engage an edge of such a track.
  • An adaptor as claimed in claim 1 having two pairs of track Wheels placed at equal distances from the axis of the beam so that they bring no twisting strains on the legs of the landing gear to which the beam is attached.
  • An adaptor for the landing gears of semi-trailer trucks to enable them to be used in a rail-and-road transportation system comprising a rigid beam, attachment means near the ends of the beam for embracing and clamping parts of the landing gear located at the lower ends of its legs so that the beam extends between the lower ends of the legs of the landing gear, wheels pivoted on said beam and positioned to run on a track of a gauge different from the separation of the legs of the landing gear, and means for guiding the wheels adapted to engage an edge of such a track.
  • the beam has the form of a trough with a semi-circular bottom
  • the attachment means comprises detachable cross-members adapted to clamp two of the dolly wheels of the landing gear in said trough in any longitudinal position.
  • An adaptor as claimedvin claim 1 in which the beam consists of a framework including upper and lower rectangular frames, and the track wheels are mounted on the lower rectangular frame of the beam.
  • the beam is constructed of a framework including upper and lower rectangular frames
  • the wheels are mounted on the lower rectangular frame of the beam
  • the means for guiding the wheels consists of guards projecting downward from the lower rectangular frame at the outer ends of the wheels to engage the outer edge of the track.
  • the beam is constructed of a framework of tubular members including upper and lower rectangular frames
  • the wheels are mounted on the lower rectangular frame of the beam
  • the attachment means comprises transverse members across the lower rectangular frame positioned to engage the lower ends of the legs of the landing gear, and laterally removable members for engaging the upper sides of the T-shaped bearing pieces at the lower ends of the legs of the landing gear.
  • holddown elements for the track wheels are mounted on the beam for movement between a position in which they are outside the outer ends of the track wheels and a position in which they extend inwardly below the lower surfaces of the track wheels to engage the lower side of a track on which the wheels are supported.
  • holddown elements for the wheels are mounted on the beam for movement between a position in which they are outside the outer ends of the wheels and a position in which they extend inwardly below the lower surfaces of the wheels to engage the lower side of the track on which the wheels are supported
  • actuating mechanism for the hold-down elements extends longitudinally along the beam
  • handles for operating the actuating mechanism are mounted on the beam near opposite ends thereof, so that the actuating mechanism may be operated from either side of the semi-trailer truck.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Handcart (AREA)
US500761A 1955-04-12 1955-04-12 Adaptors for landing gears of semi-trailer trucks Expired - Lifetime US2864321A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE546929D BE546929A (fr) 1955-04-12
NL105223D NL105223C (fr) 1955-04-12
NL206169D NL206169A (fr) 1955-04-12
US500761A US2864321A (en) 1955-04-12 1955-04-12 Adaptors for landing gears of semi-trailer trucks
FR1149007D FR1149007A (fr) 1955-04-12 1956-04-09 Chariots pour servantes de semi-remorques routières en vue de leur adaptation au transport ferroviaire
CH331727D CH331727A (fr) 1955-04-12 1956-04-10 Chariot destiné à être monté sur la servante d'une semi-remorque routière pour son adaptation au transport ferroviaire
GB11067/56A GB822913A (en) 1955-04-12 1956-04-11 Improvements in or relating to adaptors for landing gears of semi-trailer trucks
DES48338A DE1012949B (de) 1955-04-12 1956-04-12 Vorrichtung zur Anpassung der Stuetzradgestelle von fuer den Strassenverkehr in Verbindung mit Sattelschleppern zu verwendenden Anhaengern an das Aufnahmegleis von auf Schienen fahrenden Traegerfahrzeugen fuer den Eisenbahntransport

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US500761A US2864321A (en) 1955-04-12 1955-04-12 Adaptors for landing gears of semi-trailer trucks

Publications (1)

Publication Number Publication Date
US2864321A true US2864321A (en) 1958-12-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
US500761A Expired - Lifetime US2864321A (en) 1955-04-12 1955-04-12 Adaptors for landing gears of semi-trailer trucks

Country Status (7)

Country Link
US (1) US2864321A (fr)
BE (1) BE546929A (fr)
CH (1) CH331727A (fr)
DE (1) DE1012949B (fr)
FR (1) FR1149007A (fr)
GB (1) GB822913A (fr)
NL (2) NL206169A (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2991732A (en) * 1959-11-30 1961-07-11 Gen Am Transport Combination road and railway vehicles
US3016025A (en) * 1959-06-12 1962-01-09 Gen Am Transport Freight transportation systems and methods
US3046910A (en) * 1956-09-04 1962-07-31 Trailmobile Inc Landing gear clamping device
US3158106A (en) * 1959-05-18 1964-11-24 Gen Am Transport Freight transportation systems
US3163127A (en) * 1960-06-15 1964-12-29 Pullman Inc Cushion container support platform for railroad flatcars
US4718800A (en) * 1986-04-18 1988-01-12 General Signal Corporation Stanchion
US5112172A (en) * 1990-09-12 1992-05-12 Knorr Brake Holding Corporation Sliding pull up stanchion and method
CN114620079A (zh) * 2022-03-21 2022-06-14 中车太原机车车辆有限公司 一种运载轨道行走装备的携吊平车

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1123697B (de) * 1959-06-13 1962-02-15 Deutsche Bundesbahn Be- und Entladeeinrichtung fuer schienengebundene Niederflurwagen fuer die Verladung von Kraftfahrzeuganhaengern und Sattelanhaengern ueber Verladerampen

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1206994A (en) * 1916-08-14 1916-12-05 Charles I Craigmile Emergency-carriage for broken railway-trucks.
US1897277A (en) * 1931-12-21 1933-02-14 Howard A Reinhart Vehicle
US1994815A (en) * 1932-07-18 1935-03-19 Ferrin Frank Railroad and land vehicle trailer truck and transfer system
US2062801A (en) * 1932-04-07 1936-12-01 Dunlop Sa Removable guiding device for automobile vehicles running on rails
US2121181A (en) * 1933-05-23 1938-06-21 Karl J Bayerl System for transporting freight
US2357633A (en) * 1943-10-06 1944-09-05 Jr Harry B Cowgill Spotting dolly for airplanes and the like
US2491034A (en) * 1946-02-12 1949-12-13 Seth T Couch Driving wheel carrier

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1206994A (en) * 1916-08-14 1916-12-05 Charles I Craigmile Emergency-carriage for broken railway-trucks.
US1897277A (en) * 1931-12-21 1933-02-14 Howard A Reinhart Vehicle
US2062801A (en) * 1932-04-07 1936-12-01 Dunlop Sa Removable guiding device for automobile vehicles running on rails
US1994815A (en) * 1932-07-18 1935-03-19 Ferrin Frank Railroad and land vehicle trailer truck and transfer system
US2121181A (en) * 1933-05-23 1938-06-21 Karl J Bayerl System for transporting freight
US2357633A (en) * 1943-10-06 1944-09-05 Jr Harry B Cowgill Spotting dolly for airplanes and the like
US2491034A (en) * 1946-02-12 1949-12-13 Seth T Couch Driving wheel carrier

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3046910A (en) * 1956-09-04 1962-07-31 Trailmobile Inc Landing gear clamping device
US3158106A (en) * 1959-05-18 1964-11-24 Gen Am Transport Freight transportation systems
US3016025A (en) * 1959-06-12 1962-01-09 Gen Am Transport Freight transportation systems and methods
US2991732A (en) * 1959-11-30 1961-07-11 Gen Am Transport Combination road and railway vehicles
US3163127A (en) * 1960-06-15 1964-12-29 Pullman Inc Cushion container support platform for railroad flatcars
US4718800A (en) * 1986-04-18 1988-01-12 General Signal Corporation Stanchion
US5112172A (en) * 1990-09-12 1992-05-12 Knorr Brake Holding Corporation Sliding pull up stanchion and method
US5452982A (en) * 1990-09-12 1995-09-26 Knorr Brake Holding Corp. System for positioning and supporting trailers on railcars
US5501566A (en) * 1990-09-12 1996-03-26 Engle; Thomas H. System for positioning and supporting trailers on railcars
CN114620079A (zh) * 2022-03-21 2022-06-14 中车太原机车车辆有限公司 一种运载轨道行走装备的携吊平车
CN114620079B (zh) * 2022-03-21 2023-08-29 中车太原机车车辆有限公司 一种运载轨道行走装备的携吊平车

Also Published As

Publication number Publication date
DE1012949B (de) 1957-08-01
NL206169A (fr)
NL105223C (fr)
GB822913A (en) 1959-11-04
BE546929A (fr)
CH331727A (fr) 1958-07-31
FR1149007A (fr) 1957-12-19

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