US3687186A - Boxcar full-side closure - Google Patents

Boxcar full-side closure Download PDF

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Publication number
US3687186A
US3687186A US821384A US3687186DA US3687186A US 3687186 A US3687186 A US 3687186A US 821384 A US821384 A US 821384A US 3687186D A US3687186D A US 3687186DA US 3687186 A US3687186 A US 3687186A
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Prior art keywords
closure section
closure
section
sections
vehicle
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US821384A
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Hamilton Neil King Paton
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00—Door arrangements specially adapted for rail vehicles
    • B61D19/003—Door arrangements specially adapted for rail vehicles characterised by the movements of the door
    • B61D19/005—Door arrangements specially adapted for rail vehicles characterised by the movements of the door sliding
    • B61D19/006—Door arrangements specially adapted for rail vehicles characterised by the movements of the door sliding vertically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00—Door arrangements specially adapted for rail vehicles
    • B61D19/001—Door arrangements specially adapted for rail vehicles for wagons or vans

Definitions

  • Another object is to provide a full-side closure for a boxcar which, when moved to full-open position, will be in a location which will not interfere with a car-loading or car-unloading operation and which will not project from the car in a manner to interfere with building structures alongside the car.
  • a full-side closure for a boxcar which is formed of components that can be disposed in overlapping or nesting relationship when in open position so as to form a compact structure, and which closure may be made of components each of which extends over the full length of the car.
  • a further object is to provide support members for a full-side opening of a boxcar which will provide support for the car roof between the ends of the car.
  • FIG. I is a side elevation of a boxcar according to the present invention with the side closure in closed posi tion.
  • FIG. 2 is a corresponding view with the closure in open position.
  • FIG. 3 is a top perspective of one end portion of the boxcar with the closure closed.
  • FIG. 4 is a corresponding view with the closure partially open.
  • FIG. 5 is a similar view with the closure fully open.
  • FIG. 6 is an end elevation of the boxcar with parts broken away.
  • FIG. 7 is a detail vertical transverse section of a side portion of the boxcar on an enlarged scale.
  • FIGS. 8, 9 and 10 are similar fragmentary top perspectives of a comer portion of a boxcar showing somewhat modified forms of the invention.
  • FIG. 11 is an end elevation of a boxcar having an alternative form of the invention.
  • FIG. 12 is a side elevation of a composite car to which the invention is applied.
  • FIG. 13 is a fragmentary side elevation of a boxcar showing an auxiliary feature of the invention, parts being broken away.
  • FIG. 14 is a similar view with parts in different relationship.
  • FIG. 15 is a transverse vertical section through the boxcar taken on line 15-15 of FIG. 13.
  • FIG. 16 is a fragmentary side elevation of a boxcar showing an alternative form of the auxiliary feature of the invention, parts being broken away.
  • FIG. 17 is a similar view with parts in different positions.
  • FIG. 18 is a transverse vertical section through the boxcar taken on line 18-18 of FIG. 16.
  • the principal consideration in the vehicle of the present invention is to provide full access to the interior of the vehicle body so that it can be loaded and unloaded very quickly, while forming a closed rigid structure during transit. Consequently, the closures for the sides are not formed of flexible material, such as fabric, nor even of roll-up construction. On the contrary, each closure section is of rigid construction. Nevertheless, the car structure is of light weight as compared to that of a conventional boxcar.
  • a car according to the present invention is intended for hauling bulky products of relatively light weight, such as dry packaged food products or crated furniture, for example.
  • the boxcar l is not intended to be used to carry heavy lading, its chassis 2 can be of relatively light construction and the car can be carried by a pair of wheels 3 on a single axle at each end of the car.
  • a car may be of conventional length, such as approximately 40 feet, and has couplings 4 of conventional type to be connected to other cars in a train.
  • an entire side of the boxcar can be opened, and preferably both sides of the car can thus be opened so that the car can be loaded and/or an loaded from either side.
  • FIGS. 1 to 7, inclusive The preferred type of rigid closure provided to close the open sides of the boxcar is shown best in FIGS. 1 to 7, inclusive, as composed of an upper closure section 5 and a cooperating lower closure section 6. These closure sections extend the full length of the opening and are of substantially the same height so that the upper closure section can cover the upper half of the opening and the lower closure section can cover the lower half of the opening.
  • the upper closure section is constructed of a frame providing openings which are covered by panels 7.
  • Upright stiffeners 8 may define the edges of such openings or may simply overlap a longitudinally continuous panel of thin sheet material to stiffen it.
  • panels 9 in the lower closure section 6 can be separated or stiffened by uprights 10.
  • the lower closure section 6 is suspended from the upper closure section 5 or its supporting structure by several lines 11, preferably made of cable.
  • the upper ends of these lines are attached to the upper edge portion of the upper closure section by anchoring lugs 12.
  • the lower ends of such lines are attached to the upper edge portion of the lower closure section by lugs 13.
  • the length of each line 11 can be adjusted by turning turnbuckle 14 to equalize the lengths of all of the suspension lines. The lengths of such lines will be adjusted so that when the closure sections are in the closed position shown in FIGS. 1 and 3 and at the right of FIG. 6, the lower edge of the lower closure section 6 will be disposed alongside the sill of the chassis 2.
  • the lower edge of the lower closure section can then be latched to the sill by bolts of latches l5 engaging in the respective latch bolt sockets 16.
  • the lower closure section 6 is first shifted bodily outward into a position oflset from the upper closure section 5 and is then slid edgewise upward into the overlapping relationship with the upper closure section as shown in FIG. 4. Both closure sections are next slid edgewise upward conjointly to a location above the upper edge of the car side opening and projecting above the car body as shown in full lines in FIG. 5 and in broken lines in FIG. 6.
  • closurehoisting means can be utilized to accomplish such movement.
  • a hoisting line and winch arrangement for this purpose is shown in FIGS. 1 to 5, inclusive.
  • one end of the closure-hoisting line 17 is attached to the line-attaching projection 18 which projects from the lower edge portion of an end of the lower closure section 6. From such projection the line extends upward over an idler guide pulley 19 mounted on the upper portion of an upper thrust plate 20 attached rigidly to the car side.
  • Such thrust plate overlaps the upper closure section 5 and is located in close proximity to the end of such closure section so that any lengthwise movement of the upper closure section would cause its end to engage the plate 20 to limit such lengthwise movement.
  • the hoisting line 17 extends downward to a lower hoisting line guide pulley 21 and around it to a hoisting line drum 22.
  • a hoisting line drum 22 Such drum is driven by an endless chain 23 extending around a sprocket 24 mounted on the drum shaft and a sprocket 25 mounted on an actuator drive spindle 26.
  • Such spindle could be rotated by a hand crank, but preferably is rotated by applying to it a power drive such as the chuck of an electric drill.
  • the drum may include a brake 22' which will permit the drum to turn only in the line-winding direction unless such brake is positively disengaged.
  • Lower thrust plates 27 are mounted on the boxcar frame adjacent to opposite ends, respectively, of the lower closure section 6. Appreciable lengthwise movement of such section would cause one end or the other of it to engage a lower thrust plate to limit such endwise movement.
  • Such thrust plates serve the further function of providing cam actuation for the lower closure section to wedge it outwardly as it is raised so that it will be hoisted outward from the upper closure section 5.
  • the lower end portion of the thrust plate 27 has a downwardly and inwardly inclined edge portion 27' with which a rod 18' projecting lengthwise of the car from the lower edge portion of the lower closure section 6 engages. As such closure section is hoisted, the rod riding on such inclined edge will wedge the lower portion of the section outward.
  • a cam-follower roller 28 is mounted on the end edge of the upper portion of the lower closure section as shown in FIG. 7, which roller is engaged between the flanges of the channel cam track 29, shown best in FIGS. 3 and 7, mounted on an end portion of the upper closure section 5.
  • the lower portion of such cam track is inclined inwardly and downwardly generally corresponding to the slope of the cam edge 27' on the lower portion of the thrust plate 27.
  • cam-follower roller 28 will move upward and outward along the inclined portion 29' of the channel cam track 29 and at the same time the projecting rod 18' on the lower portion of the lower closure section will ride upward and outward along the correspondingly inclined cam edge 27' of the thrust plate 27.
  • the slopes of these cam members will be sufiicient to displace the lower closure section 6 outward a distance equal to the thickness of the upper closure section so that the lower closure section will move into overlapping registry with the upper closure section and alongside it as shown in FIG. 4.
  • Swinging guide arms 33 having their lengths extending transversely of the car have corresponding ends anchored by hinges 34 to the boxcar roof 35. The swinging end of each arm is hinged to the upper portion of the upper closure section 5 by a hinge 36. As the hoisting force is transmitted to the upper closure section, the lower closure section and the upper closure section will be hoisted conjointly in overlapping registry from the position shown in FIG. 4 to that of FIG. 5. The guide arms 33 will prevent uncontrolled movement of the upper portion of the upper closure section as it is raised.
  • the closure sections can be lowered to cover the side opening by rotating the actuator drive spindle 26 in the opposite direction.
  • the two closure sections will descend in overlapping registry from the position shown in FIG. 5 and in broken lines in FIG. 6 to that of FIG. 4.
  • Conjoint downward movement of the sections will be interrupted by engagement of the swinging guide arms 33 with the roof 35 of the boxcar.
  • Continued rotation of the actuator drive spindle in the same direction will result in the lower closure section 6 moving downward relative to the upper closure section 5 from the position shown in FIG. 4 to that of FIG. 3.
  • a counterweight 17" shown in FIGS. 3, 4 and 5 equal to somewhat less than half the weight of the lower closure section 6 can be attached to the stretch of line 17 between the upper guide pulley l9 and the lower guide pulley 21.
  • a spring-pressed latch bolt can engage beneath the projection 18 on the lower portion of the lower closure section 6 as shown in FIG. 5 to hold the closure sections positively in their uppermost open positions even though hoisting force is no longer applied to the actuator drive spindle 26.
  • a bell crank connected to the latch bolt can be swung by engaging a hook in the eye of its horizontal arm to retract the latch bolt thus releasing the closures for downward movement.
  • the hoisting lines 17 and 17' attached to the opposite ends of the lower closure section, respectively, will both be wound on the same hoisting line drum 22 at one end of the boxcar.
  • the line 17' connected to the end of the lower closure section 6 at the end of the boxcar opposite the drum 22 can be passed around the idler guide pulley 21' to be fed onto such drum.
  • a screw actuator of the type shown in FIG. 8 can be used.
  • the screw 37 is disposed with its length upright and its upper end mounted in a bearing on the car frame.
  • a traveling nut 39 is moved up and down along the screw by rotation of the screw effected by rotation of the actuator drive spindle 40 turning suitable angle gearing 41.
  • An arm 42 projects transversely of the screw from the traveling nut and has in it a slot 43 extending lengthwise of the arm in which the projection 18 projecting from the lower portion of the lower closure section 6 is engaged.
  • the projection 18 will be raised or lowered correspondingly to hoist or lower the closure sections 5 and 6 in the manner described in connection with FIGS. 1 to 7.
  • FIG. 9 shows a different arrangement for hoisting the lower closure section 6.
  • a short line 44 preferably of cable, connects the closure section projection 18 to a suitable fitting on an endless chain 44'.
  • the stretches of this chain are upright and it extends around an upper idler sprocket 45 rotatively mounted in a bearing mount 46 and around a lower drive sprocket 47.
  • Such drive sprocket is carried by suitable drive gearing 48 which is turned by rotation of the actuator drive spindle 49. Rotation of the drive spindle will move up or down the stretch of the chain to which the line 44 is attached for again hoisting or lowering the closure sections 5 and 6 in the manner described in connection with FIGS. 1 to 7.
  • a ratchet pawl 50 can be provided to cooperate with a gear mounted on the same shaft as the lower drive sprocket 47, which pawl can be released manually when it is desired to lower the closure sections.
  • holding means in the form of a unidirectional friction or fluid brake 45' can be connected to the shaft of sprocket 45 to retard rotation in the closure-descending direction for limiting the speed of descent of the closure sections.
  • the closure section construction of FIG. 10 is similar to that described above except that still a different type of mechanism is provided to exert the lifting force on the projection 18 at the bottom of the lower closure section 6.
  • the lifting mechanism includes a multiple-cylinder telescoping jack 37', the sections of which in the closed positions of the upper clo sure section 5 and lower closure section 6 are retracted into a well 37" depending from the chassis 2.
  • Such telescoping jacks at opposite ends of the opening can be extended by supplying fluid under pressure to them which may either be air under pressure from a suitable source or may be hydraulic liquid supplied by a pump from a reservoir slung beneath the car.
  • Such pump can be driven by an electric motor supplied with current from the track side.
  • FIG. 1 1 shows an alternate arrangement in which the lower closure section 51 is swung from its closed position downward into open position about a hinge 52 mounting its lower edge.
  • the upper edge of the lower closure section has a standing bevel and the lower edge of the upper closure section 5 has a complemental under bevel which overlaps the standing bevel of the lower closure section. Because of the cooperation of these beveled edges, it is necessary for the upper closure section to be raised before the lower closure section can be swung downward.
  • Downward swinging of the lower closure section is controlled by paying out lines 53 connected between the swinging edge portion of the lower closure section and suitable winding drum mechanism not shown. Winding in the lines 53 will swing the lower closure section from downwardly swung open position into upright closed position.
  • FIG. 12 shows a plurality of boxcar sections 1, adjacent ends of which are supported by dualaxle articulating trucks 3a. Each one of the boxcar sections has fully open sides that can be closed by full-side closures of the type described above.
  • FIGS. 13 to 18 inclusive disclose prop devices which may be provided as accessories to afford additional support for the long span of the boxcar roof 35 if desired.
  • FIGS. l3, l4 and one or more props 54 are arranged at suitable locations lengthwise of the boxcar.
  • Each prop is shown as a multiple-cylinder telescoping jack 55, the sections of which are sufficiently short so that the jack can be retracted into a well 56 depending from the boxcar chassis 22.
  • Such well extends from the floor level downward to a location sufficiently high above the rail so that the well will not conflict with any objects along the right-of-way.
  • Fluid under pressure either gas or liquid, can be supplied to the jack by the connection 57.
  • the load of the jack can be distributed over a substantial area of the boxcar roof by the prop plate 58 mounted on the upper end ofthe jack.
  • FIGS. 16, 17 and 18 Another type of prop is shown in FIGS. 16, 17 and 18 as including the column 59 swingably supported by a pivot 60 from the boxcar chassis 2. Such pivot is mounted in one end portion of a recess 61 provided in the chassis which is of a length great enough to receive the prop when the jack 62 is in the contracted position of FIG. 17. Fluid under pressure can be supplied to such jack through connection 63. The supporting force of the prop in this instance also is distributed over an appreciable area of the boxcar roof 35 by the prop plate 64.
  • boxcars shown in FIGS. 1 to 11 are supported solely by two axles each having a pair of wheels, one near each end of the boxcar, it may be desirable to support such a car by conventional dual-axle trucks 3b, as shown in FIGS. 13 and 14, for heavier duty.
  • Such pressure can be effected by an inflatable liner 65 shown in FIG. 7.
  • Such liner can be made as a single unit or in sections, and can be removable for access to the interior of the boxcar when the closure is open or can simply be rolled up to the roof of the car in deflated condition.
  • the inner sides of the closure sections could be hollow and the liner could be received in such hollows in deflated condition.
  • the liner can be inflated to fill the space between the closure means and the lading.
  • Such liner would, of course, be deflated before initiating a closure-opening operation.
  • a vehicle comprising a body having a roof and at least one opening in a side of said body, an upper rigid closure section and a lower rigid closure section for fitting in said side opening, first means guiding said lower closure section for relative elevational movement into overlapping relationship with said upper closure section, and second means guiding said upper and lower closure sections for bodily edgewise movement upward from said side opening into an elevated position in which substantial portions of said upper closure section and said lower closure section in such overlapping relationship are disposed above said roof, said second guiding means including hinged arm means pivotally connected to said roof and to the upper portion of said upper closure section and swingable about the pivotal connection to said roof during such bodily edgewise movement of said upper closure section and said lower closure section into such elevated position.
  • stop means engageable by at least one of the closure sections for limiting horizontal edgewise movement of the closure sections relative to the body when the sections are in an upper position in which a substantial portion of each of the sections is raised above the body side opening.
  • each closure section is of a length substantially equal to the full length of the vehicle.
  • a vehicle comprising a body having a roof and at least one opening in a side of said body, an upper rigid closure section for closing the upper portion of said side opening, a lower rigid closure section for closing the lower portion of said side opening, means connected to said upper closure section and guiding said upper closure section for bodily edgewise movement thereof upward exteriorly of said body to dispose a substantial portion of said upper closure section above said roof, and shifting means effecting relative movement of said upper closure section and said lower closure section to move them relatively into ofi'set relationship for edgewise movement of said lower closure section upward into overlapping relationship with said upper closure section and including a cam member carried by said upper closure section and including a cam member carried by said body and cooperating with the lower portion of said lower closure section and roller cam means acting between said upper closure section and the upper portion of said lower closure section.
  • hinged arm means includes an arm pivotally connected between the vehicle body and the upper edge portion of the upper closure section.
  • the hinged arm includes a plurality of arms exteriorly of the body and pivotally connected between the roof and the upper edge portion of the upper closure section.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Seal Device For Vehicle (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
US821384A 1969-05-02 1969-05-02 Boxcar full-side closure Expired - Lifetime US3687186A (en)

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US82138469A 1969-05-02 1969-05-02

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US821384A Expired - Lifetime US3687186A (en) 1969-05-02 1969-05-02 Boxcar full-side closure

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US (1) US3687186A (ja)
JP (1) JPS4934922B1 (ja)
CA (1) CA930614A (ja)
DE (1) DE2007268A1 (ja)
FR (1) FR2046256A5 (ja)
GB (1) GB1296516A (ja)
SU (1) SU566515A3 (ja)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3785695A (en) * 1972-04-27 1974-01-15 Stratman J Tailgate assembly
US4016991A (en) * 1974-04-10 1977-04-12 Oldford William G Railway loading and unloading system
US4289362A (en) * 1979-06-12 1981-09-15 Kramer Daniel E Segmented door for enclosure
US4346929A (en) * 1979-05-16 1982-08-31 Peters Guenter Truck with loading platform and body
EP1262388A1 (en) * 2001-05-30 2002-12-04 Mock Doors Oy End door in railway transport wagons
US20030127876A1 (en) * 2001-08-17 2003-07-10 Anacleto Matteo Bucco Morello Apparatus for actuating a side door in a cargo vehicle
US6863000B2 (en) 1999-07-08 2005-03-08 Aai Corporation Passenger rail car sliding door with high platform threshold
US20060004971A1 (en) * 2004-06-30 2006-01-05 Kim Jin-Hyuk Incremental merge methods and memory systems using the same
CN104196419B (zh) * 2014-08-29 2016-08-24 南车二七车辆有限公司 一种防外涨滑开门
US11738938B2 (en) 2021-08-17 2023-08-29 Eric Ulrich Louvered sidewall cargo container assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59709206D1 (de) 1997-12-13 2003-02-27 Railtrans Sa Güterzugwagen, insbesondere für den Transport von Schüttgütern
CN106627617B (zh) * 2016-12-30 2018-10-23 沈阳新阳光机电科技有限公司 大型有轨电车升降门系统

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1431181A (en) * 1916-04-13 1922-10-10 George H Frothingham Company Door and hoisting mechanism therefor
US1682772A (en) * 1924-07-17 1928-09-04 Cahill John Sliding swing door
US1830405A (en) * 1927-01-12 1931-11-03 Ohno Tadashi Shutter
US1883687A (en) * 1932-04-12 1932-10-18 Gelfand Hyman Removable screen
US1934544A (en) * 1931-09-21 1933-11-07 Robert W Jones Door construction
US2057850A (en) * 1934-03-14 1936-10-20 Sims Oscar Closure device
US2476755A (en) * 1945-02-10 1949-07-19 David H Morgan Door and operating means therefor
US2552992A (en) * 1947-05-28 1951-05-15 Michelman Nathan Door construction
US2897887A (en) * 1958-02-26 1959-08-04 Edward E Miller Manually operated folding panel
US3247892A (en) * 1963-04-25 1966-04-26 Mooney Aircraft Inc Door for vehicles including airplanes
US3467164A (en) * 1967-06-26 1969-09-16 Ass Cargo Gear Ab Cover for a part vertical,part horizontal opening

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1431181A (en) * 1916-04-13 1922-10-10 George H Frothingham Company Door and hoisting mechanism therefor
US1682772A (en) * 1924-07-17 1928-09-04 Cahill John Sliding swing door
US1830405A (en) * 1927-01-12 1931-11-03 Ohno Tadashi Shutter
US1934544A (en) * 1931-09-21 1933-11-07 Robert W Jones Door construction
US1883687A (en) * 1932-04-12 1932-10-18 Gelfand Hyman Removable screen
US2057850A (en) * 1934-03-14 1936-10-20 Sims Oscar Closure device
US2476755A (en) * 1945-02-10 1949-07-19 David H Morgan Door and operating means therefor
US2552992A (en) * 1947-05-28 1951-05-15 Michelman Nathan Door construction
US2897887A (en) * 1958-02-26 1959-08-04 Edward E Miller Manually operated folding panel
US3247892A (en) * 1963-04-25 1966-04-26 Mooney Aircraft Inc Door for vehicles including airplanes
US3467164A (en) * 1967-06-26 1969-09-16 Ass Cargo Gear Ab Cover for a part vertical,part horizontal opening

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3785695A (en) * 1972-04-27 1974-01-15 Stratman J Tailgate assembly
US4016991A (en) * 1974-04-10 1977-04-12 Oldford William G Railway loading and unloading system
US4346929A (en) * 1979-05-16 1982-08-31 Peters Guenter Truck with loading platform and body
US4289362A (en) * 1979-06-12 1981-09-15 Kramer Daniel E Segmented door for enclosure
US6863000B2 (en) 1999-07-08 2005-03-08 Aai Corporation Passenger rail car sliding door with high platform threshold
US20050081743A1 (en) * 1999-07-08 2005-04-21 Aai Corporation Passenger rail car sliding door with high platform threshold
US7025004B2 (en) 1999-07-08 2006-04-11 Aai Corporation Passenger rail car sliding door with high platform threshold
US8413591B2 (en) 1999-07-08 2013-04-09 Aai Corporation Passenger rail car sliding door with high platform threshold
EP1262388A1 (en) * 2001-05-30 2002-12-04 Mock Doors Oy End door in railway transport wagons
US20030127876A1 (en) * 2001-08-17 2003-07-10 Anacleto Matteo Bucco Morello Apparatus for actuating a side door in a cargo vehicle
US20060004971A1 (en) * 2004-06-30 2006-01-05 Kim Jin-Hyuk Incremental merge methods and memory systems using the same
CN104196419B (zh) * 2014-08-29 2016-08-24 南车二七车辆有限公司 一种防外涨滑开门
US11738938B2 (en) 2021-08-17 2023-08-29 Eric Ulrich Louvered sidewall cargo container assembly

Also Published As

Publication number Publication date
DE2007268A1 (de) 1970-11-12
GB1296516A (ja) 1972-11-15
JPS4934922B1 (ja) 1974-09-18
SU566515A3 (ru) 1977-07-25
CA930614A (en) 1973-07-24
FR2046256A5 (ja) 1971-03-05

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