US3913267A - Railway car door control mechanism - Google Patents

Railway car door control mechanism Download PDF

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Publication number
US3913267A
US3913267A US389933A US38993373A US3913267A US 3913267 A US3913267 A US 3913267A US 389933 A US389933 A US 389933A US 38993373 A US38993373 A US 38993373A US 3913267 A US3913267 A US 3913267A
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United States
Prior art keywords
door
shaft
opening
movable
actuating
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
US389933A
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English (en)
Inventor
Willis H Knippel
Walter J Marulic
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.)
Pullman Standard Inc
Pullman Inc
Original Assignee
Pullman Inc
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Filing date
Publication date
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Priority to US389933A priority Critical patent/US3913267A/en
Publication of USB389933I5 publication Critical patent/USB389933I5/en
Application granted granted Critical
Publication of US3913267A publication Critical patent/US3913267A/en
Assigned to PULLMAN STANDARD INC., A DE CORP. reassignment PULLMAN STANDARD INC., A DE CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: M.W. KELLOGG COMPANY, THE
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Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/10—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane
    • E05D15/1005—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane the wing being supported on arms movable in horizontal planes
    • E05D15/1007—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane the wing being supported on arms movable in horizontal planes specially adapted for use in railway-cars or mass transit vehicles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/51—Application of doors, windows, wings or fittings thereof for vehicles for railway cars or mass transit vehicles

Definitions

  • ABSTRACT A railway car door of the laterally movable and slid able type is provided with a control mechanism in cluding cams which sequentially are movable to first open locking bolts and then laterally move the door to an open position.
  • the mechanism includes manual control means which are shiftable to selectively en gage a force multiplying device movable engagement with anchoring means on the car body so as to provide a power-assist in sliding the door relative to the door opening.
  • This invention relates to railway car plug doors of a type which are slidingly supported on a track and are movable from a closed position within a door opening to an open position laterally outward of and to one side of the door opening.
  • the invention is primarily directed to a mechanism which is associated with and operated by a door operating mechanism for the purpose of providing power to slide the plug door between opened and closed positions.
  • a door operating mechanism for the purpose of providing power to slide the plug door between opened and closed positions.
  • Such devices are shown in US. Pat. Nos. 3,468,062, 9/23/69; 3,468,063, 9/23/69; 2,553,511, /15/51; 3,636,658, 1/25/72.
  • a door control mechanism includes a pair of cams manually and selectively operable to sequentially open locking bolts and then laterally force the door outwardly relative to the door opening.
  • the combination includes a force multiplying device which upon shifting of certain elements is actuated by the operator for effecting power assistance in slidably moving the door from a position over the door opening to a position at one side of the door opening.
  • FIG. 1 is a side elevational view, partially in section, showing an improved plug door in closed position over the door opening of a railway car side;
  • FIG. 2 is an enlarged elevational view of a door operating mechanism
  • FIG. 3 is a cross sectional view taken substantially along the line 3-3 of FIG. 2;
  • FIG. 5 is a cross sectional view taken substantially along the line 5-5 of FIG. 4;
  • FIG. 6 is a cross sectional view showing a sprocket and associated gear mechanism
  • FIG. 9 is a side elevational view in detail of a gear.
  • a railway car side 10 includes a rectangular door frame 11 consisting of laterally spaced door posts 12 defining a door opening 13.
  • the door frame 11 also includes a top plate structure 14 and a lower side sill structure 15.
  • the horizontal track 16 is supported on the side sill structure 15.
  • a door generally designated at 17 is shown in a closed position within the door opening 15, said door being of the plug and sliding type conventional in the railway car field.
  • the door 17 comprises upper and lower transverse structural members 18 and 19 suitably connected to laterally spaced vertical members 20. Metal sheathing 20' is secured to the transverse members 18-19 and vertical members 20.
  • a roller support and swivel structure assembly 21 is provided at one lower end of the door, the said roller structure being slidably supported on the track 16.
  • An upper swivel and roller support 22 is provided at the upper left hand portion of the door. as shown in FIG. 1.
  • a roller support 23 at the lower right hand side ofthe door is slidingly supported on the track 16 in conventional fashion.
  • the roller support 23 also has associated therewith a lower crank arm 24 in conventional manner.
  • the upper right hand end of the door is also provided with a roller support assembly 25 and an upper crank arm 25'.
  • a rotatable vertical pipe is connected to the roller support assemblies 23 and 25 for pivotal movement about its vertical axis.
  • the door includes a vertical locking bolt linkage assembly 27 and a horizontal locking bolt assembly 28.
  • the locking bolt assemblies 27 and 28 are slidable relative to the door between open and closed positions, the vertical assembly 27 engaging the lower side sill structure in locking relation and the horizontal assembly 28 engaging one of the door posts 12 in locking relation.
  • a door actuating mechanism is generally designated at 30 and, as best shown in FIG. 5, includes a rear plate 3I suitably connected to the sheathing 20'.
  • a front plate 31' forms with said rear plate 31 a housing generally designated at 29.
  • the housing 29 supports for rotation a shaft 32 to which a manual hand wheel 33 is con' nected.
  • the shaft 32 is supported at its front end in a bearing 34 supported within the front plate 31'.
  • the plates 31 and 31 are enclosed by a suitable sheet metal housing designated at 29.
  • the shaft 32 is also supported at its rear end within a bearing 35 in turn supported by the rear plate 31.
  • a gear element 36 is keyed to the front end of the shaft 32.
  • the gear element includes gear teeth 37.
  • the gear element 36 is engageable with a camming actuator 38, as best shown in FIGS. 5 and 8.
  • the camming actuator 38 comprises a pair of spaced arms 39, having sup ported at one end cylindrical camming means 40.
  • the lower arm 39 as shown in FIG. 5, is provided with splined apertures 41 which are adapted to be suitably engaged by the gear teeth 37, as best shown in FIG. 8.
  • a sprocket 42 is rotatably mounted upon the shaft 32 for relative rotation.
  • the sprocket 42 comprises a hub 43 also having internal splined apertures 44, as best shown in FIG. 6, within which a gear 45 having gear teeth 46 is engageable.
  • the arms 39 are also supported on the shaft 32 but are relatively rotatable with respect thereto.
  • the actuating mechanism 30 is more specifically shown and described in the above referenced patent. It comprises generally a cam 47 pivotally connected to a shaft 48 and an associated cam 49 pivotally connected to a shaft 50, both of said shafts being supported on the plates 31 and 31'.
  • the cams 47 and 49 are, respectively, provided with recesses 50 and 51.
  • a pivot connection 52 pivotally connects the cam 49 to the vertically locking bolt linkage assembly 27.
  • the cam 49 is pivotally connected to the horizontal locking bolt linkage assembly 28 by means of a pivot connection 52'.
  • a link 53 by means of a pivot connection 53 is suitably connected to the cam 47.
  • the linkage assembly 53 is connected to a pivot bracket 54 anchored on the pipe 26 whereupon horizontal movement of the linkage assembly 53, the pipe 26 is rotated for the purpose of moving the door laterally inwardly and outwardly relative to the door openingv
  • the sprocket 42 is connected to an endless chain 55 which in turn is trained about a sprocket 56 as shown in FIG. 3 which is rotatably mounted about a shaft 57 connected to a pivot bracket 58 supported on the sheathing
  • the sprocket 56 is connected to a drum 59 about which a cable 60 is wound and which extends to a first pulley 61.
  • the cable 60 extends around pulley 61 and to the right as shown in FIGS.
  • one end 65 of the cable 60 is suitably anchored on an adjustable spring tension anchoring element 66 supported on the top plate 14.
  • the cable 60 on drum 59 also extends around pulley 61' and to the left as shown in FIGS. 1 and 2 and left end 64 is anchored by means ofan adjustable spring tension anchoring element 66 supported on the top plate 14.
  • a bracket 63 supports both pulleys 61 and 61' on door 17.
  • FIG. 1 shows the door 17 in the closed position with the locking bolt assemblies 27 and 28 in locked position.
  • An operator now will rotate the shaft 32 in a counterclockwise direction whereupon the arms 39 are moved in counterclockwise direction and the camming means 40 within the slot causes the cam 49 to pivot about the shaft 50 in a clockwise direction, thereby withdrawing the locking bolt assemblies 27 and 28 from the locked position,
  • the shaft 32 has been moved axially from the position shown in FIG, 5 inwardly, whereupon the gear teeth 37 are in engagement with the splined apertures 41, as shown in FIG. 8.
  • a vehicle door movable laterally between a position closing the opening in a door frame and a position over the door opening and slidably movable between a position over the opening and a position on one side of said opening, a rod rotatably connected to said door, crank arms on said rod rotatably connected to said door frame to provide for said lateral movement, locking bolt means slideably connected to said door and movable into and out of locking relation relative to said door frame, the improvement comprising,
  • a door operating means including a shaft mounted on said door for rotatable and axial movement relative to said door,
  • first linkage means connected to said actuating means and to said rod for rotating the same in response to movement of said actuating means
  • a mechanism for moving said door to one side of said opening including a tension member anchored to said frame on opposite sides of said opening,
  • a rotatable member connected to said tension member and said door whereupon rotation of said rotatable member said door is moved from a position over the door opening to a position on one side of said door opening, and
  • keying means on said shaft and being selectively movable upon axial movement of said shaft into operative engagement with said rotatable member for rotating the same so as to effect slidable movement of said door.
  • said tension member comprising a flexible member and said rotatable member being associated with a drum about which said tension member is wound.
  • said actuating means including a second cam rotatably supported on said door and connected to said second linkage means, and
  • camming means connected to said shaft and being movable into sequential engagement with said first and second cams for sequentially actuating said first and second linkage means.
  • said shaft extending perpendicular to the vertical plane of said door and being movable axially inward and outward of said door
  • said actuating means comprising:
  • said actuating means including a second cam rotatably supported on said door and connected to said second linkage means,
  • camming means connected to said shaft and being movable into sequential engagement with said first and second cams for sequentially actuating said linkage means
  • said shaft extending perpendicular to the vertical plane of said door and being axially movable inwardly and outwardly relative to said door so as to provide for selective engagement of said keying means on said shaft with said rotatable member
  • said camming means is disengaged from said first and second cams.
  • a railway car having a side including a frame and a door opening, a door slideable relative to said opening from a closed position to an open position on one side of said opening, locking bolt means on said door movable into engagement with said frame in the closed position, a shaft rotatably mounted on said door and extending laterally outwardly of said door, an actuating means connected to said bolt means for engaging and disengaging the same from said frame, the improvement comprising:
  • a mechanism for moving said door between open and closed positions including:
  • a force multiplying member rotatably mounted on said door and connected to said anchoring memher.
  • said shaft being mounted on said door for axial movement, keying means on said shaft selectively engageable with said force multiplying member upon axial movement of said shaft whereby during rotation of said shaft said force multiplying member is rotated so as to effect sliding movement of said door, and means on said shaft being operably disengaged from said actuating means during selective engagement of said keying means on said shaft with said force multiplying member, 8.
  • said anchoring member comprising a cable anchored to said frame on opposite sides of said door.
  • said force multiplying member comprising a sprocket
  • a rotatable drum connected to said door and to said cable
  • said shaft being axially movable for effecting selective disengagement of said means on said shaft from said actuating means
  • said actuating means including a cam
  • camming means on said shaft for effecting selective engagement with said cam during axial movement of said shaft to disengage said keying means from said driven means.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
US389933A 1973-08-20 1973-08-20 Railway car door control mechanism Expired - Lifetime US3913267A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US389933A US3913267A (en) 1973-08-20 1973-08-20 Railway car door control mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US389933A US3913267A (en) 1973-08-20 1973-08-20 Railway car door control mechanism

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USB389933I5 USB389933I5 (xx) 1975-01-28
US3913267A true US3913267A (en) 1975-10-21

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995398A (en) * 1976-03-01 1976-12-07 Pullman Incorporated Operating mechanism for double sliding doors
US4095371A (en) * 1977-08-17 1978-06-20 Pullman Incorporated Operating mechanism for box car sliding doors
US5542213A (en) * 1994-10-27 1996-08-06 Freeman Marine Equipment, Inc. Sliding marine closure
US9422747B2 (en) * 2012-08-20 2016-08-23 Slider Next Vision Ltd. Motorized closure assembly
US20210394802A1 (en) * 2018-12-15 2021-12-23 Trinity North American Freight Car, Inc. Operating Mechanism for Rail Car Door

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1803725A (en) * 1928-08-18 1931-05-05 Ottinger Leon Operating means for automobile door latches and window regulators
US2553511A (en) * 1945-07-24 1951-05-15 Sr Stephen Henry Casey Door operating mechanism
US2843375A (en) * 1955-11-16 1958-07-15 Richards Wilcox Mfg Co Combined sliding and side sealing door
US3750335A (en) * 1972-05-05 1973-08-07 Pullman Inc Operating mechanism for plug type door

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1803725A (en) * 1928-08-18 1931-05-05 Ottinger Leon Operating means for automobile door latches and window regulators
US2553511A (en) * 1945-07-24 1951-05-15 Sr Stephen Henry Casey Door operating mechanism
US2843375A (en) * 1955-11-16 1958-07-15 Richards Wilcox Mfg Co Combined sliding and side sealing door
US3750335A (en) * 1972-05-05 1973-08-07 Pullman Inc Operating mechanism for plug type door

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995398A (en) * 1976-03-01 1976-12-07 Pullman Incorporated Operating mechanism for double sliding doors
US4095371A (en) * 1977-08-17 1978-06-20 Pullman Incorporated Operating mechanism for box car sliding doors
US5542213A (en) * 1994-10-27 1996-08-06 Freeman Marine Equipment, Inc. Sliding marine closure
US9422747B2 (en) * 2012-08-20 2016-08-23 Slider Next Vision Ltd. Motorized closure assembly
US20210394802A1 (en) * 2018-12-15 2021-12-23 Trinity North American Freight Car, Inc. Operating Mechanism for Rail Car Door

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Publication number Publication date
USB389933I5 (xx) 1975-01-28

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Date Code Title Description
AS Assignment

Owner name: PULLMAN STANDARD INC., 200 S. MICHIGAN AVE., CHICA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:M.W. KELLOGG COMPANY, THE;REEL/FRAME:004370/0168

Effective date: 19840224