US3586306A - Railway vehicle suspension height adjustment device - Google Patents

Railway vehicle suspension height adjustment device Download PDF

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Publication number
US3586306A
US3586306A US804751A US3586306DA US3586306A US 3586306 A US3586306 A US 3586306A US 804751 A US804751 A US 804751A US 3586306D A US3586306D A US 3586306DA US 3586306 A US3586306 A US 3586306A
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United States
Prior art keywords
vehicle suspension
adjuster
suspension system
spring
teeth
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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
US804751A
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English (en)
Inventor
James J Reece
Richard L Lich
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.)
GSI ENGINEERING Inc A CORP OF
Lukens General Industries Inc
General Steel Industries Inc
Original Assignee
General Steel Industries Inc
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Publication of US3586306A publication Critical patent/US3586306A/en
Assigned to LUKENS GENERAL INDUSTRIES, INC.; A CORP OF DE. reassignment LUKENS GENERAL INDUSTRIES, INC.; A CORP OF DE. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: NATIONAL ROLL COMPANY
Assigned to GSI ENGINEERING, INC., A CORP. OF DE reassignment GSI ENGINEERING, INC., A CORP. OF DE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ENCOAT-NORTH ARLINGTON, INC.
Assigned to LUKENS GENERAL INDUSTRIES, INC. reassignment LUKENS GENERAL INDUSTRIES, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). FILED 12-23-82 Assignors: STEWART HOLDING COMPANY
Assigned to ENCOAT-NORTH ARLINGTON, INC. reassignment ENCOAT-NORTH ARLINGTON, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: LUKENS CORROSION PROTECTION SERVICES, INC.
Assigned to ENCOAT-NORTH ARLINGTON, INC. reassignment ENCOAT-NORTH ARLINGTON, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: LUKEN GENERAL INDUSTRIES INC.
Assigned to LUKENS CORROSION PROTECTION SERVICES, INC. reassignment LUKENS CORROSION PROTECTION SERVICES, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: GSI ENGINEERING INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50—Other details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents
    • Y10T74/20672—Lever engaging rack

Definitions

  • a device for adjusting the height of vehicle springs comprising a pair of elements underlying the spring, one of said elements being divided into a plurality of equal sectors each divided into a plurality of steps, the other of said elements having equiangularly spaced surfaces selectively engageable with corresponding steps of each sector, whereby upon relative rotation of said elements with respect to each other the combined height of said elements may be varied,
  • said device also including means for lifting the spring load from said elements to permit their relative rotation.
  • a T TO RAILWAY VEHICLE SUSPENSION HEIGHT ADJUSTMENT DEVICE BACKGROUND OF THE INVENTION 1.
  • the invention relates to railway rolling stock and consists particularly in improved means for adjusting the height of truck springs.
  • FIG. I is a plan view of a railway truck embodying the invention.
  • FIG. 2 is a side elevation view of the truck illustrated in FIG. 1.
  • FIG. 3 is a transverse vertical sectional view along line 3-3 of FIG. 1.
  • FIG. 4 is an enlarged top view of one of the spring seats and adjacent portion of the truck frame, showing the height adjustment device.
  • FIG. 5 is an enlarged transverse vertical view along line 5-5 of FIG. 4.
  • FIG. 6 is an exploded perspective view of the height adjuster.
  • FIGS. 7 and 8 are enlarged longitudinal vertical sectional views along line 7--7 of FIG. 4, showing the height adjuster set respectively for new wheels and worn wheels.
  • FIG. 9 is a side elevation view of a truck incorporating a modified form of height adjuster.
  • FIG. 10 is a transverse vertical sectional view along line l0l0 of FIG. 9.
  • the numeral ll indicates railway flanged wheels mounted in spaced pairs on spaced axles 2 and 3, on the ends of which are mounted journal boxes 5.
  • a rigid frame comprises transversely spaced, longitudinally extending side members 7, connected to each other intermediate their ends by a transverse transom 9.
  • Side members 7 are formed at their ends with downwardly open pedestal jaws 11, which embrace journal boxes 5 on which the frame is resiliently supported.
  • the center portions 13 of side members 7 and transom 9 are depressed to substantially the level of the axles to provide a low-level spring support for transverse load supporting bolster 15.
  • Bolster I5 is depressed at its center and is formed with a body-supporting central bearing part 17, in which is pivotally received a mating central bearing part 19 secured to body underframe member U.
  • Bolster 15 is a box section with its bottom wall I removed at its ends to provide downwardly open spring pockets 21, in which are received upright coil springs 23 seated in upwardly open cup-shaped spring seats 25v
  • the bolster is formed with depending clevislike brackets 22 extending longitudinally of the truck from one side of the bolster, and transom 9 is formed with similar upstanding brackets 24 adjacent the other side of the bolster and longitudinally aligned with brackets 22.
  • Both sets of brackets 22 and 24 are connected respectively by longitudinally extending anchor links 26, which are connected to the respective brackets by universal pivot means.
  • spring seats 25 are supported on the low-level center portions 13 of truck frame side members 7 by means of height adjusters each comprising a bottom element 27, rotatably seated on the flat top surface of side member center portions 13 and a nonrotatable top element 29 resting on the bottom element.
  • height adjusters each comprising a bottom element 27, rotatably seated on the flat top surface of side member center portions 13 and a nonrotatable top element 29 resting on the bottom element.
  • a sandwich comprising a flat pad 31 of elastomeric material with metal plates 33 bonded to its upper and lower surfaces is positioned between spring seat 25 and top adjuster element 29. Plates 33 are formed with a pair of diametrically disposed ears 35 for attachment respectively to spring seat 25 and the top of top adjustment element 29, through similar cars 37 thereon.
  • Bottom adjustment element 27 comprises a disc 38 with a wide upstanding annular rim divided into four equiangular sectors 39 each of which is divided into three equiangular subsectors 41, 43 and 45 in vertically stepped relation with each other upwardly from bottom step 41.
  • Top adjustment element 29 includes a disc 46 with an integral depending rib structure comprising a central cylindrical rib 47 pivotally engageable with the inner surface of the bottom element annular rim, and four equiangularly spaced teeth 49 of sector shape in plan and suitably dimensioned of similar angularity with subsectors 41, 43 and 45 to mesh closely with selected steps 41, 43 and 45 of bottom adjustment element 27.
  • top surfaces 51 of steps 41, 43 and 45 are preferably formed with radial V-shaped depressions and the bottom surface 53 of teeth 49 are formed with corresponding radial V-shaped projections adapted for mating relation with top surfaces 51.
  • bottom element 27 To provide a center of rotation for bottom element 27, it is formed with a depending central cylindrical boss 55, which is pivotally received in a suitable bearing recess 57 in the top surface of truck frame side member depressed center portion 13.
  • bottom adjustment element 27 On trucks with new wheels, bottom adjustment element 27 would be set with its bottom steps 41 in engagement with ribs 49 of top element 29 (FIG. 7). As wheel wear progressed, bottom element 27 would be rotated initially until its intermediate steps 43 engaged ribs 49 of top element 29, and finally when maximum wheel wear occurs, bottom element 27 would be rotated until its top steps 45 engaged ribs 49 of top element 29.
  • the bottom of the bottom element is preferably formed with at least three round holes spaced apart the same angular distance as adjacent steps 41, 43, 45, and the truck frame side member depressed portion sidewalls, 61 are recessed inwardly so that the projecting end 63 of the frame top wall forms a shelf having a threaded vertical hole 65 on the transverse centerline of the truck.
  • a bolt 67, threadably received in hole 65 and held securely therein by a lock washer 69 projects upwardly into a selected hole 59 in the bottom adjustment element for preventing rotation of the latter and thus fixing it in selected angular relation with nonrotatable top element 29.
  • each spring seat 25 With a pair of wings 71 extending lengthwise of the truck above the flat upper surface of the frame side member depressed portion 13. Wings 71 may also be utilized to provide spring seat connections respectively for lateral shock absorbers 73 and vertical shock absorbers 75 mounted on the sides of bolster spring pocket end portions 21.
  • FIGS. 9 I A modified form of the invention is illustrated in FIGS. 9 I
  • the basic truck structure is generally similar to that previously disclosed, differing mainly in that it is arranged for pneumatic springs, of the diaphragm type.
  • Bolster a is formed at its ends with downwardly open shallow cylindrical pockets 21a, which form the upper cylinders of the springs.
  • the centers of pockets 21a are preferably in substantial vertical alignment, transversely of the truck, with the heads of tack rails R. R.
  • Each spring includes an inner bottom cylinder 81 connected to top cylinder 21a by a flexible diaphragm 83, the intervening space being filled with compressed air from surge chambers 85 formed in the hollow interior of the box section bolster, vertical and lateral movements of the bolster on the springs being accommodated by compression of and displacement ofthe contained air and flexure of the diaphragms.
  • Bottom cylinders 81 are secured directly to top elements 2% of modified height adjusters which include bottom elements 27a rotatably seated on top wall 63a of truck frame side member depressed portion 13 a.
  • Height adjusters 27a, 290 are generally similar to height adjusters 27, 29 previously described, except that bottom ele ment 29a is of annular shape with a central circular aperture 87, and central circular rib 47a is extended downwardly to form a cylindrical post passing through bottom element 87 and through vertically aligned circular apertures 89 in the top and bottom walls of transom 9a.
  • Top adjustment element posts 470 are centered with respect to springs 21a, 81, 83 and hence are in vertical alignment, transversely of the truck, with track rails R, so that, when height adjustment is required for any reason, such as to compensate for wheel wear, jacks J can be seated on railheads R, which provide a solid, stable support beneath posts 47a and the jacks are energized, raising posts 470 and top elements 290 to vertically clear bottom elements 27a, which may then be freely rotated around posts 47:: to bring the desired steps of bottom elements 27a into vertical alignment with ribs 49a of the top adjustment element.
  • a height adjustment device comprising a bottom adjuster element having a horizontal bottom surface, the top surface of said bottom adjuster element being divided into a plurality of equiangular sectors, each of said sectors being divided into a plurality of equiangular subsectors in sequential vertically stepped relation with each other accurately in a single direction along one radial face of the sector, the opposite radial face of each said sector being vertical, all of said sectors being stepped in the same direction, and a top adjuster element having equiangularly spaced depending individual teeth in the same number as said sectors.
  • said top and bottom adjuster elements being rotatable about a common vertical axis to seat said teeth on selected subsectors of said bottom element whereby to vary the height of said device.
  • a height adjustment device according to claim 1 wherein said subsectors and said teeth are formed with matingly recessed and projecting opposing top and bottom surfaces respectively.
  • a height adjustment device according to claim 1 wherein said teeth are of sector shape in plan of substantially the same angularity as said subsectors.
  • a height adjustment device wherein said teeth are of sector shape of substantially the same angularity as said subsectors and said subsectors and teeth are formed with matingly recessed and projecting opposing surfaces.
  • a height adjustment device according to claim 18 wherein said adjuster elements have mating vertical cylindrical bearing surfaces.
  • a height adjustment device according to claim 5 wherein said bottom element is of annular shape, its cylindrical bearing surface being its inner circumferential surface, the cylindrical bearing surface of said top element being a central cylindrical portion connecting said radial teeth.
  • a height adjustment device comprising a bottom adjuster element having a horizontal bottom surface seated on said spring support structure, the top surface of said bottom adjuster element being divided into a plurality of equiangular sectors, each of said sectors being divided into a plurality of equiangular subsectors in sequential vertically stepped relation with each other arcuately in a single direction along one radial face of the sector, the opposite radial face of each said sector being vertical, all of said sectors being stepped in the same direction, and a top adjuster element having equiangularly spaced depending individual teeth in the same number as said sectors, said top and bottom adjuster elements being rotatable about a common vertical axis to seat said teeth on selected subsectors of said bottom element whereby to vary the height of said device.
  • a spring seat supported on said top adjuster element, there being a separate base member supporting said bottom element.
  • said top adjuster element being supported from and being elevatable with said spring seat, there being means for elevating said pring seat and said top adjuster element to permit rotation of said bottom adjuster element to bring said teeth of said top adjuster element into vertically opposing relation with different stepped subsectors of said bottom element and thus vary the height of said spring seat.
  • said elevating means comprising vertically spaced apart downwardly and upwardly facing surfaces on said spring seat and said spring supporting structure respectively whereby jacks may be inserted between said vertically spaced surfaces.
  • said bottom adjustment member being centrally vertically cylindrically apertured and said spring support structure being formed with an aligned cylindrical aperture
  • said top adjustment element being formed with a depending cylindrical post extending downwardly through said bottom element and said spring support structure.
  • a vehicle suspension system including railway wheels supporting said spring support structure on a track rail, said cylindrical apertures and said post being in substantial alignment with said wheels whereby the supporting railway track rail may provide stable and solid support for a jack placed under said post for raising saidtop element.
  • sheet 5 FIG. 9, arrows pointing to the left 1 and numerals 1O, 10 should be applied respectively to the upper and lower ends of the vertical center line of the view;

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)
US804751A 1969-03-06 1969-03-06 Railway vehicle suspension height adjustment device Expired - Lifetime US3586306A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80475169A 1969-03-06 1969-03-06

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US (1) US3586306A (zh)
BE (1) BE745387A (zh)
ES (1) ES376007A1 (zh)
GB (1) GB1238808A (zh)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3682438A (en) * 1971-04-05 1972-08-08 Berg Manufacturing Co Hand control valve
US3952364A (en) * 1972-10-31 1976-04-27 Karl Lautenschlaeger Kg Mounting plate for furniture hinges
US4458605A (en) * 1982-06-14 1984-07-10 The Budd Company Railway truck spring height adjustment device
US4505457A (en) * 1981-06-05 1985-03-19 Kawasaki Jukogyo Kabushiki Kaisha Railway truck spring height adjustment device
US4585211A (en) * 1981-07-16 1986-04-29 Collison & Co. Method and apparatus for adjusting agricultural cultivator tynes
US4903932A (en) * 1988-04-11 1990-02-27 Stewart Jr Isaac Clip board
US5037084A (en) * 1990-06-11 1991-08-06 Flor Robert J Adjustable exercising step
US5118095A (en) * 1990-06-11 1992-06-02 Flor Robert J Adjustable exercising step
US5125646A (en) * 1991-05-03 1992-06-30 Wilkinson William T Aerobic step/bench exercise device
US6012185A (en) * 1998-09-10 2000-01-11 Rest Right, Inc. Blocks for elevating bed legs
US6105944A (en) * 1998-04-20 2000-08-22 Lord Corporation Mount and bonded component therefor with shape factor reducing notches
US6247686B1 (en) * 1998-05-20 2001-06-19 Gate S.P.A. Vibration damper block
US6536594B2 (en) * 2001-03-21 2003-03-25 Tokai Rubber Industries, Ltd. Vibration damping bushing with engaging jaws, and assembly including the bushing and a bracket for mounting the bushing
US20040130082A1 (en) * 2003-01-02 2004-07-08 Wen-Yuan Tsai Mechanical isolator
US20080303235A1 (en) * 2007-06-08 2008-12-11 Readylift Suspension, Inc. Adjustable Strut Spacer
US20110248459A1 (en) * 2007-02-20 2011-10-13 Tenneco Automotive Operating Company Inc. Positioning feature and method for precise vehicle heights
US20120090143A1 (en) * 2007-10-30 2012-04-19 Klaus Wohlfarth Leveling Shock Absorber and Strut Assembly
US8317210B1 (en) 2010-10-29 2012-11-27 Stempf Automotive Industries, Inc. Suspension height adjustment apparatus
CN103089776A (zh) * 2013-01-25 2013-05-08 齐齐哈尔轨道交通装备有限责任公司 定位锁紧组件、横跨梁装置及铁路货车
USD731368S1 (en) 2014-01-14 2015-06-09 Stempf Automotive Industries, Inc. Strut suspension spacer combination
USD731367S1 (en) 2014-01-14 2015-06-09 Stempf Automotive Industries, Inc. Strut suspension spacer
US9211775B1 (en) 2014-10-17 2015-12-15 Stempf Automotive Industries, Inc. Adjustable suspension height modification apparatus
US9233588B2 (en) * 2014-01-14 2016-01-12 Stempf Automotive Industries, Inc. Strut suspension assembly system
USD750535S1 (en) 2014-10-17 2016-03-01 Stempf Automotive Industries, Inc. Suspension spacer
EP3208173A1 (de) 2016-02-17 2017-08-23 Stadler Rail AG Drehgestell für ein schienenfahrzeug, verfahren zum kompensieren von durchmesserveränderungen von rädern an schienenfahrzeugen sowie schienenfahrzeug

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102092399B (zh) * 2010-12-23 2012-07-04 南车二七车辆有限公司 一种摇枕与侧架连接装置
EP2487087B8 (en) * 2011-02-09 2016-06-22 Kockums Engineering AB An arrangement for height compensation of a railway wagon

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3682438A (en) * 1971-04-05 1972-08-08 Berg Manufacturing Co Hand control valve
US3952364A (en) * 1972-10-31 1976-04-27 Karl Lautenschlaeger Kg Mounting plate for furniture hinges
US4505457A (en) * 1981-06-05 1985-03-19 Kawasaki Jukogyo Kabushiki Kaisha Railway truck spring height adjustment device
US4585211A (en) * 1981-07-16 1986-04-29 Collison & Co. Method and apparatus for adjusting agricultural cultivator tynes
US4458605A (en) * 1982-06-14 1984-07-10 The Budd Company Railway truck spring height adjustment device
US4903932A (en) * 1988-04-11 1990-02-27 Stewart Jr Isaac Clip board
US5037084A (en) * 1990-06-11 1991-08-06 Flor Robert J Adjustable exercising step
US5118095A (en) * 1990-06-11 1992-06-02 Flor Robert J Adjustable exercising step
US5125646A (en) * 1991-05-03 1992-06-30 Wilkinson William T Aerobic step/bench exercise device
US6105944A (en) * 1998-04-20 2000-08-22 Lord Corporation Mount and bonded component therefor with shape factor reducing notches
US6247686B1 (en) * 1998-05-20 2001-06-19 Gate S.P.A. Vibration damper block
US6012185A (en) * 1998-09-10 2000-01-11 Rest Right, Inc. Blocks for elevating bed legs
US6536594B2 (en) * 2001-03-21 2003-03-25 Tokai Rubber Industries, Ltd. Vibration damping bushing with engaging jaws, and assembly including the bushing and a bracket for mounting the bushing
US20040130082A1 (en) * 2003-01-02 2004-07-08 Wen-Yuan Tsai Mechanical isolator
US20110248459A1 (en) * 2007-02-20 2011-10-13 Tenneco Automotive Operating Company Inc. Positioning feature and method for precise vehicle heights
US8196942B2 (en) * 2007-02-20 2012-06-12 Tenneco Automotive Operating Company Inc. Positioning feature and method for precise vehicle heights
US20080303235A1 (en) * 2007-06-08 2008-12-11 Readylift Suspension, Inc. Adjustable Strut Spacer
US7665743B2 (en) * 2007-06-08 2010-02-23 Readylift Suspension, Inc. Adjustable strut spacer
US20120090143A1 (en) * 2007-10-30 2012-04-19 Klaus Wohlfarth Leveling Shock Absorber and Strut Assembly
US8516672B2 (en) * 2007-10-30 2013-08-27 Klaus Wohlfarth Methods for adjusting a shock absorber and strut assembly
US8678401B2 (en) 2007-10-30 2014-03-25 Klaus Wohlfarth Leveling shock absorber and strut assembly
US8317210B1 (en) 2010-10-29 2012-11-27 Stempf Automotive Industries, Inc. Suspension height adjustment apparatus
CN103089776A (zh) * 2013-01-25 2013-05-08 齐齐哈尔轨道交通装备有限责任公司 定位锁紧组件、横跨梁装置及铁路货车
USD731368S1 (en) 2014-01-14 2015-06-09 Stempf Automotive Industries, Inc. Strut suspension spacer combination
USD731367S1 (en) 2014-01-14 2015-06-09 Stempf Automotive Industries, Inc. Strut suspension spacer
US9233588B2 (en) * 2014-01-14 2016-01-12 Stempf Automotive Industries, Inc. Strut suspension assembly system
US9211775B1 (en) 2014-10-17 2015-12-15 Stempf Automotive Industries, Inc. Adjustable suspension height modification apparatus
USD750535S1 (en) 2014-10-17 2016-03-01 Stempf Automotive Industries, Inc. Suspension spacer
EP3208173A1 (de) 2016-02-17 2017-08-23 Stadler Rail AG Drehgestell für ein schienenfahrzeug, verfahren zum kompensieren von durchmesserveränderungen von rädern an schienenfahrzeugen sowie schienenfahrzeug
WO2017140449A1 (de) 2016-02-17 2017-08-24 Stadler Rail Ag Drehgestell für ein schienenfahrzeug, verfahren zum kompensieren von durchmesserveränderungen von rädern an schienenfahrzeugen sowie schienenfahrzeug
US10974739B2 (en) * 2016-02-17 2021-04-13 Stadler Rail Ag Bogie for a rail vehicle, method for compensating for changes in the diameter of wheels on rail vehicles, and rail vehicle

Also Published As

Publication number Publication date
ES376007A1 (es) 1972-03-16
BE745387A (fr) 1970-07-16
GB1238808A (zh) 1971-07-14

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Owner name: LUKENS GENERAL INDUSTRIES, INC.; A CORP OF DE.

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