US485652A - Car-spring - Google Patents
Car-spring Download PDFInfo
- Publication number
- US485652A US485652A US485652DA US485652A US 485652 A US485652 A US 485652A US 485652D A US485652D A US 485652DA US 485652 A US485652 A US 485652A
- Authority
- US
- United States
- Prior art keywords
- spring
- rod
- diameter
- car
- throughout
- 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
Links
- 230000003247 decreasing Effects 0.000 description 4
- 241000507564 Aplanes Species 0.000 description 2
- 241000143392 Oar Species 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/06—Wound springs with turns lying in cylindrical surfaces
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- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49609—Spring making
- Y10T29/49611—Spring making for vehicle or clutch
Definitions
- My invention relates to a supporting-spring for railway-cars and similar vehicles, it being designed especially as an improvement on the spring shown and described in my United States Letters Patent No. 462,958, dated November 10, 1891, granted to me for an improvement in car-springs, the object being particularly to render the spring correspondingly sensitive as the load on the vehicle varies.
- A represents the spring considered as a Whole.
- the spring I employ a rod circular in cross-section and of equal diameter from one end 01 to a predetermined point f, preferably at or adjacent the longitudinal center of the rod. From said point f the rod tapers gradually and continuously throughout, its diameter decreasing to the opposite end g, at which point it is of the smallest diameter. That portion h of the rod from the end at to the middle point f of the .same diameter throughout forms the base B when wound, and the taper portion '5 forms the top 0. The rod is wound on a mandrel of equal diameter throughout. This forms a Serial No. 434,044. (No model.)
- the top 0 is much stiffer than in the form described in the Letters Patent above referred to, and when the load is applied to it the coils compress successively, beginning at the top, its expansive properties being much the same in efiect as a conical spring, but the graduated stiffness being attained by tapering the bar, as described.
- the top 0 serves to cushion, while the base B resists compression; but before the top has been strained nearits limit said base willbegin to compress, cushioning any increase of load,the top coils assuming the closed position shown in Fig. 2.
- the base moreover, being of equal diameter and the upper portion being tapered, as described, the oscillation of the vehicle-body is greatly reduced.
- the portions of the rod composing the base and top may be varied in length in relation to each other in any manner desired.
- a spring comprising a spirally-Wound rod, that portion of the rod forming the lower portion of the spring being of one size throughout and wound with its interior and exterior diameters, respectively, equal throughout, and that'portion of the rod forming the upper portion of the spring being tapered from its point of connection with the lower portion continuously throughout, the interior diameter of the spiral coils of both upper and lower portions being uniform throughout the entire spring and the exterior diameter of the lower portion being greater than that of the upper portion.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Description
(N0 Mbdel.) L. PPINGST.
OAR SPRING-v No. 485,652. Patented Nov. 8, 1892.
UNITED STATES PATENT OFFICE.
LOUIS PFINGST, OF BOSTON, MASSACHUSETTS.
CAR-SPRING.
SPECIFICATION forming part of Letters Patent No. 485,652, dated November 8, 1892.
Application filed May 23, 1892 To all whom it may concern:
Be it known that I, LOUIS PFINGST, of Boston, in the county of Suffolk, State of Massachusetts, have invented certain new and useful Improvements in Oar-Springs, of which the following is a description sufficiently full, clear, and exact to enable any person skilled in the art or science to which said invention appertains to make and use the same, reference being bad to the accompanying drawings, forming part of this specification, in which Figure l is an elevation of my improved carspring; Fig.2, a like view showing the spring partly compressed; Fig. 3,across'-section taken on line :0 a; in Fig. 1, and Fig. 4 aplan view of the rod from which the spring is Wound.
Like letters of reference indicate corresponding parts in the different figures of the drawings.
My invention relates to a supporting-spring for railway-cars and similar vehicles, it being designed especially as an improvement on the spring shown and described in my United States Letters Patent No. 462,958, dated November 10, 1891, granted to me for an improvement in car-springs, the object being particularly to render the spring correspondingly sensitive as the load on the vehicle varies.
In the drawings, A represents the spring considered as a Whole. In forming the spring I employ a rod circular in cross-section and of equal diameter from one end 01 to a predetermined point f, preferably at or adjacent the longitudinal center of the rod. From said point f the rod tapers gradually and continuously throughout, its diameter decreasing to the opposite end g, at which point it is of the smallest diameter. That portion h of the rod from the end at to the middle point f of the .same diameter throughout forms the base B when wound, and the taper portion '5 forms the top 0. The rod is wound on a mandrel of equal diameter throughout. This forms a Serial No. 434,044. (No model.)
coil of equal interior diameter, the exterior diameter of the top 0 of the coil gradually decreasing from the base portion to its end, as
best shown in Fig. 2. In this form of spring the top 0 is much stiffer than in the form described in the Letters Patent above referred to, and when the load is applied to it the coils compress successively, beginning at the top, its expansive properties being much the same in efiect as a conical spring, but the graduated stiffness being attained by tapering the bar, as described. Under a light load the top 0 serves to cushion, while the base B resists compression; but before the top has been strained nearits limit said base willbegin to compress, cushioning any increase of load,the top coils assuming the closed position shown in Fig. 2. The base, moreover, being of equal diameter and the upper portion being tapered, as described, the oscillation of the vehicle-body is greatly reduced.
It will be understood that the portions of the rod composing the base and top may be varied in length in relation to each other in any manner desired.
Having thus explained my invention, what I claim is- I A spring comprising a spirally-Wound rod, that portion of the rod forming the lower portion of the spring being of one size throughout and wound with its interior and exterior diameters, respectively, equal throughout, and that'portion of the rod forming the upper portion of the spring being tapered from its point of connection with the lower portion continuously throughout, the interior diameter of the spiral coils of both upper and lower portions being uniform throughout the entire spring and the exterior diameter of the lower portion being greater than that of the upper portion.
LOUIS PFINGST. Witnesses:
O. M. SHAW, K. DURFEE.
Publications (1)
Publication Number | Publication Date |
---|---|
US485652A true US485652A (en) | 1892-11-08 |
Family
ID=2554501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US485652D Expired - Lifetime US485652A (en) | Car-spring |
Country Status (1)
Country | Link |
---|---|
US (1) | US485652A (en) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2584880A (en) * | 1944-12-11 | 1952-02-05 | Chrysler Corp | Suspension for railway trucks |
US2717559A (en) * | 1944-12-11 | 1955-09-13 | Chrysler Corp | Railway truck spring suspension |
US3331291A (en) * | 1965-07-15 | 1967-07-18 | Royal Industries | Emergency brake actuator |
US4377280A (en) * | 1978-12-29 | 1983-03-22 | Stahlwerke Bruninghaus Gesellschaft Mit Beschrankter Haftung | Cylindrical helical compression spring |
US4848757A (en) * | 1988-01-25 | 1989-07-18 | The Charles Stark Draper Laboratory, Inc. | Remote center compliance device with fully or partially coil-bound springs |
US5766160A (en) * | 1995-06-06 | 1998-06-16 | Target Therapeutics, Inc. | Variable stiffness coils |
US20040123769A1 (en) * | 2002-10-30 | 2004-07-01 | Kawasaki Jukogyo Kabushiki Kaisha | Nonlinear characteristic spring and radius arm type truck using the same |
US20050055778A1 (en) * | 2003-09-12 | 2005-03-17 | Kuchel Bernhard W. | One-sided mattress |
US20060042016A1 (en) * | 2004-08-28 | 2006-03-02 | Sealy, Inc. | Asymmetric spring components and innersprings for one-sided mattresses |
US20070089607A1 (en) * | 2005-10-21 | 2007-04-26 | General Electric Company | Methods and apparatus for manufacturing and assembling a baghouse bag filter tensioning assembly |
US20090106908A1 (en) * | 2007-10-29 | 2009-04-30 | Dreamwell, Ltd. | Asymmetrical combined cylindrical and conical springs |
US20110148018A1 (en) * | 2007-10-29 | 2011-06-23 | Dreamwell, Ltd. | Asymmetrical combined cylindrical and conical springs |
CN103352947A (en) * | 2013-07-04 | 2013-10-16 | 昆山杰升精密五金有限公司 | Special-shaped compression spring |
US10598242B2 (en) | 2016-05-20 | 2020-03-24 | Sealy Technology, Llc | Coil springs with non-linear loading responses and mattresses including the same |
US11033114B2 (en) | 2015-12-17 | 2021-06-15 | Sealy Technology, Llc | Coil-in-coil spring with variable loading response and mattresses including the same |
US11051631B2 (en) | 2016-01-21 | 2021-07-06 | Sealy Technology, Llc | Coil-in-coil springs with non-linear loading responses and mattresses including the same |
US11076705B2 (en) | 2014-05-30 | 2021-08-03 | Sealy Technology, Llc | Spring core with integrated cushioning layer |
US11530768B2 (en) * | 2019-02-04 | 2022-12-20 | Nitto Kohki Co., Ltd. | Pipe coupling having valve element and coil spring for use therein |
-
0
- US US485652D patent/US485652A/en not_active Expired - Lifetime
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2584880A (en) * | 1944-12-11 | 1952-02-05 | Chrysler Corp | Suspension for railway trucks |
US2717559A (en) * | 1944-12-11 | 1955-09-13 | Chrysler Corp | Railway truck spring suspension |
US3331291A (en) * | 1965-07-15 | 1967-07-18 | Royal Industries | Emergency brake actuator |
US4377280A (en) * | 1978-12-29 | 1983-03-22 | Stahlwerke Bruninghaus Gesellschaft Mit Beschrankter Haftung | Cylindrical helical compression spring |
US4848757A (en) * | 1988-01-25 | 1989-07-18 | The Charles Stark Draper Laboratory, Inc. | Remote center compliance device with fully or partially coil-bound springs |
US5766160A (en) * | 1995-06-06 | 1998-06-16 | Target Therapeutics, Inc. | Variable stiffness coils |
US6254592B1 (en) | 1995-06-06 | 2001-07-03 | Target Therapeutics, Inc. | Variable stiffness coils |
US20040123769A1 (en) * | 2002-10-30 | 2004-07-01 | Kawasaki Jukogyo Kabushiki Kaisha | Nonlinear characteristic spring and radius arm type truck using the same |
US7418753B2 (en) * | 2003-09-12 | 2008-09-02 | Dreamwell, Ltd | One-sided mattress |
US7814594B2 (en) | 2003-09-12 | 2010-10-19 | Dreamwell, Ltd. | One-sided mattress |
US20050278862A1 (en) * | 2003-09-12 | 2005-12-22 | Dreamwell, Ltd. | One-sided mattress |
US6931685B2 (en) * | 2003-09-12 | 2005-08-23 | Dreamwell, Ltd. | One-sided mattress |
US20050055778A1 (en) * | 2003-09-12 | 2005-03-17 | Kuchel Bernhard W. | One-sided mattress |
US20060042016A1 (en) * | 2004-08-28 | 2006-03-02 | Sealy, Inc. | Asymmetric spring components and innersprings for one-sided mattresses |
US7178187B2 (en) * | 2004-08-28 | 2007-02-20 | Sealy Technology Llc | Asymmetric spring components and innersprings for one-sided mattresses |
US20070089607A1 (en) * | 2005-10-21 | 2007-04-26 | General Electric Company | Methods and apparatus for manufacturing and assembling a baghouse bag filter tensioning assembly |
US7648563B2 (en) * | 2005-10-21 | 2010-01-19 | General Electric Company | Methods and apparatus for manufacturing and assembling a baghouse bag filter tensioning assembly |
US20090106908A1 (en) * | 2007-10-29 | 2009-04-30 | Dreamwell, Ltd. | Asymmetrical combined cylindrical and conical springs |
US20110148018A1 (en) * | 2007-10-29 | 2011-06-23 | Dreamwell, Ltd. | Asymmetrical combined cylindrical and conical springs |
US9161634B2 (en) | 2007-10-29 | 2015-10-20 | Dreamwell, Ltd. | Asymmetrical combined cylindrical and conical springs |
CN103352947A (en) * | 2013-07-04 | 2013-10-16 | 昆山杰升精密五金有限公司 | Special-shaped compression spring |
US11076705B2 (en) | 2014-05-30 | 2021-08-03 | Sealy Technology, Llc | Spring core with integrated cushioning layer |
US12048380B2 (en) | 2014-05-30 | 2024-07-30 | Sealy Technology, Llc | Spring core with integrated cushioning layer |
US11033114B2 (en) | 2015-12-17 | 2021-06-15 | Sealy Technology, Llc | Coil-in-coil spring with variable loading response and mattresses including the same |
US11051631B2 (en) | 2016-01-21 | 2021-07-06 | Sealy Technology, Llc | Coil-in-coil springs with non-linear loading responses and mattresses including the same |
US10598242B2 (en) | 2016-05-20 | 2020-03-24 | Sealy Technology, Llc | Coil springs with non-linear loading responses and mattresses including the same |
US10935098B2 (en) | 2016-05-20 | 2021-03-02 | Sealy Technology, Llc | Coil springs with non-linear loading responses and mattresses including the same |
US11530768B2 (en) * | 2019-02-04 | 2022-12-20 | Nitto Kohki Co., Ltd. | Pipe coupling having valve element and coil spring for use therein |
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