IT8719540A0 - Molla a rigidita' variabile. - Google Patents

Molla a rigidita' variabile.

Info

Publication number
IT8719540A0
IT8719540A0 IT8719540A IT1954087A IT8719540A0 IT 8719540 A0 IT8719540 A0 IT 8719540A0 IT 8719540 A IT8719540 A IT 8719540A IT 1954087 A IT1954087 A IT 1954087A IT 8719540 A0 IT8719540 A0 IT 8719540A0
Authority
IT
Italy
Prior art keywords
spring
variable stiffness
stiffness
variable
Prior art date
Application number
IT8719540A
Other languages
English (en)
Other versions
IT1202605B (it
Inventor
Alfredo Orlandi
Original Assignee
Pirelli Accessori Ind
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
Application filed by Pirelli Accessori Ind filed Critical Pirelli Accessori Ind
Priority to IT19540/87A priority Critical patent/IT1202605B/it
Publication of IT8719540A0 publication Critical patent/IT8719540A0/it
Priority to EP88101933A priority patent/EP0280937B1/en
Priority to ES198888101933T priority patent/ES2025712T3/es
Priority to DE8888101933T priority patent/DE3865039D1/de
Priority to JP63049459A priority patent/JPH01229135A/ja
Application granted granted Critical
Publication of IT1202605B publication Critical patent/IT1202605B/it
Priority to US07/364,497 priority patent/US4936558A/en

Links

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
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F16F1/393—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type with spherical or conical sleeves
    • F16F1/3935—Conical sleeves
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S180/00—Motor vehicles
    • Y10S180/902—Shock or vibration absorbing or transmitting means between wheel suspension and motor
IT19540/87A 1987-03-02 1987-03-02 Molla a rigidita' variabile IT1202605B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT19540/87A IT1202605B (it) 1987-03-02 1987-03-02 Molla a rigidita' variabile
EP88101933A EP0280937B1 (en) 1987-03-02 1988-02-10 Variable strength spring
ES198888101933T ES2025712T3 (es) 1987-03-02 1988-02-10 Resorte de resistencia variable.
DE8888101933T DE3865039D1 (de) 1987-03-02 1988-02-10 Feder mit variabler kennlinie.
JP63049459A JPH01229135A (ja) 1987-03-02 1988-03-02 可変強度ばね
US07/364,497 US4936558A (en) 1987-03-02 1989-06-09 Variable strength spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19540/87A IT1202605B (it) 1987-03-02 1987-03-02 Molla a rigidita' variabile

Publications (2)

Publication Number Publication Date
IT8719540A0 true IT8719540A0 (it) 1987-03-02
IT1202605B IT1202605B (it) 1989-02-09

Family

ID=11158890

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19540/87A IT1202605B (it) 1987-03-02 1987-03-02 Molla a rigidita' variabile

Country Status (6)

Country Link
US (1) US4936558A (it)
EP (1) EP0280937B1 (it)
JP (1) JPH01229135A (it)
DE (1) DE3865039D1 (it)
ES (1) ES2025712T3 (it)
IT (1) IT1202605B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5881981A (en) * 1997-06-30 1999-03-16 Pearl Musical Instrument Co. Elastomeric spring
US6601818B1 (en) * 2000-10-12 2003-08-05 Lord Corporation Tilting mount with integral flange
DE102005028565A1 (de) * 2005-06-21 2007-01-04 Contitech Luftfedersysteme Gmbh Hochelastische Schichtfeder
SE528883C2 (sv) * 2005-06-30 2007-03-06 Volvo Lastvagnar Ab Gummifjäder för en hjulaxelupphängning hos ett fordon
DE102008052756A1 (de) * 2008-10-22 2010-04-29 Magna Steyr Fahrzeugtechnik Ag & Co. Kg Radaufhängung
JP5256162B2 (ja) * 2009-10-03 2013-08-07 東海ゴム工業株式会社 鉄道車両用軸箱支持装置の軸ばねゴム及びその製造方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2069270A (en) * 1935-05-23 1937-02-02 Transit Res Corp Elastic spring and method of making same
US2117264A (en) * 1935-08-06 1938-05-10 Firestone Tire & Rubber Co Resilient support
BE432309A (it) * 1938-11-05
US2245296A (en) * 1939-12-13 1941-06-10 Transit Res Corp Spring
US2242212A (en) * 1940-07-26 1941-05-20 Pennsylvania Railroad Co Springing for railway trucks
FR55068E (fr) * 1946-05-28 1951-06-06 Suspension pour roues de véhicules légers
US2553188A (en) * 1946-11-05 1951-05-15 Overniter Mfg Corp Rubber spring and axle assembly
DE1074923B (de) * 1958-05-27 1960-02-04 Braunschweigische Kohlen Berg werke Hclmstedt Abfederung fur Achslager u dgl
FR1237211A (fr) * 1959-06-10 1960-07-29 Luxembourg Brev Participations Perfectionnements apportés aux ressorts de compression en caoutchouc
GB890032A (en) * 1959-10-13 1962-02-21 Metalastik Ltd Resilient mountings or springs
DE1163165B (de) * 1961-06-06 1964-02-13 Hansens Gummi & Packungswerke Elastische Feder fuer Fahrzeuge mit einem in einer Aussenfuehrung gelagerten Gummifederkoerper
GB1024554A (en) * 1962-02-05 1966-03-30 Angus George Co Ltd Improvements in and relating to compression spring elements of elastomeric material
FR1434610A (fr) * 1965-05-03 1966-04-08 Gomma Antivibranti Applic Groupe élastique de suspension, en particulier pour véhicules automobiles, à caractéristiques progressives
GB1090566A (en) * 1965-05-03 1967-11-08 Aeon Products London Ltd Improvements in and relating to springs
AU523318B2 (en) * 1980-06-23 1982-07-22 Bridgestone Tire Co. Ltd. Rubber vibration isolators

Also Published As

Publication number Publication date
EP0280937A2 (en) 1988-09-07
IT1202605B (it) 1989-02-09
EP0280937B1 (en) 1991-09-25
DE3865039D1 (de) 1991-10-31
ES2025712T3 (es) 1992-04-01
JPH01229135A (ja) 1989-09-12
EP0280937A3 (en) 1989-09-27
US4936558A (en) 1990-06-26

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970328