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WO2003014590A3 - Improved gas spring - Google Patents

Improved gas spring Download PDF

Info

Publication number
WO2003014590A3
WO2003014590A3 PCT/US2002/024768 US0224768W WO03014590A3 WO 2003014590 A3 WO2003014590 A3 WO 2003014590A3 US 0224768 W US0224768 W US 0224768W WO 03014590 A3 WO03014590 A3 WO 03014590A3
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder
movable object
gas spring
piston
piston assembly
Prior art date
Application number
PCT/US2002/024768
Other languages
French (fr)
Other versions
WO2003014590A2 (en
Inventor
James T Bertram
Original Assignee
Arvinmeritor Inc
James T Bertram
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 Arvinmeritor Inc, James T Bertram filed Critical Arvinmeritor Inc
Priority to AU2002323007A priority Critical patent/AU2002323007A1/en
Publication of WO2003014590A2 publication Critical patent/WO2003014590A2/en
Publication of WO2003014590A3 publication Critical patent/WO2003014590A3/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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • F16F9/0209—Telescopic
    • F16F9/0245—Means for adjusting the length of, or for locking, the spring or dampers
    • F16F9/0254—Means for adjusting the length of, or for locking, the spring or dampers mechanically lockable, e.g. by use of friction collar
    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • F16F9/368—Sealings in pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Sealing Devices (AREA)
  • Actuator (AREA)

Abstract

A gas spring (20) is connectable between a movable object (22) and a relatively fixed object (24) for assisting in moving the movable object between a first position and a second position. The gas spring includes a cylinder (28) having a closed end (32) and an open end (34). A piston rod extends (42) into the cylinder through the open end in a sealing relationship thereto for axial movement relative to the cylinder. A piston assembly (64) is carried by the rod for axial movement within the cylinder. The piston and the rod move in a compression direction when the movable object moves towards its first position and an extension direction when the movable object moves towards its second position. A resilient annular seal (72) carried by the piston assembly has a flexible outer portion configured to provide a gas seal between the piston assembly and the cylinder sufficient to maintain the movable object at a stopped position at any point between its first and second positions
PCT/US2002/024768 2001-08-08 2002-08-06 Improved gas spring WO2003014590A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002323007A AU2002323007A1 (en) 2001-08-08 2002-08-06 Improved gas spring

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31104101P 2001-08-08 2001-08-08
US60/311,041 2001-08-08

Publications (2)

Publication Number Publication Date
WO2003014590A2 WO2003014590A2 (en) 2003-02-20
WO2003014590A3 true WO2003014590A3 (en) 2003-09-25

Family

ID=23205128

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/024768 WO2003014590A2 (en) 2001-08-08 2002-08-06 Improved gas spring

Country Status (2)

Country Link
AU (1) AU2002323007A1 (en)
WO (1) WO2003014590A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7614616B2 (en) 2005-06-16 2009-11-10 Avm Industries, Llc Gas spring assembly with selectable intermediate stop
NL2002252C2 (en) * 2008-11-25 2010-05-26 B J Kroese Holding B V Tilted window equipped with TYPICAL GAS SPRING.
CN102878046B (en) * 2011-07-11 2015-06-24 鸿准精密模具（昆山）有限公司 Draining device
BR112014031186A2 (en) * 2012-06-15 2017-06-27 Faringosi Hinges Srl shock absorber and hinge
GB2576177A (en) * 2018-08-07 2020-02-12 Titus D O O Dekani Improvements in dampers
DE102021119439A1 (en) * 2021-07-27 2023-02-02 Zf Active Safety Gmbh Pneumatic brake pedal module

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307875A (en) * 1976-12-30 1981-12-29 Stabilus Gmbh Self-blocking gas spring released by external force
US5702091A (en) * 1995-07-13 1997-12-30 Draftex Industries Limited Gas spring
US6119832A (en) * 1996-06-21 2000-09-19 Hoerauf & Kohler Verwaltungs Kg Pneumatic movement damper
US6311813B1 (en) * 1999-08-12 2001-11-06 Stabilus Gmbh Axially movable switching sealing ring within a groove

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307875A (en) * 1976-12-30 1981-12-29 Stabilus Gmbh Self-blocking gas spring released by external force
US5702091A (en) * 1995-07-13 1997-12-30 Draftex Industries Limited Gas spring
US6119832A (en) * 1996-06-21 2000-09-19 Hoerauf & Kohler Verwaltungs Kg Pneumatic movement damper
US6311813B1 (en) * 1999-08-12 2001-11-06 Stabilus Gmbh Axially movable switching sealing ring within a groove

Also Published As

Publication number Publication date
WO2003014590A2 (en) 2003-02-20
AU2002323007A1 (en) 2003-02-24

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