GB841175A - Improvements in suspension systems for automobile vehicles - Google Patents

Improvements in suspension systems for automobile vehicles

Info

Publication number
GB841175A
GB841175A GB808/58A GB80858A GB841175A GB 841175 A GB841175 A GB 841175A GB 808/58 A GB808/58 A GB 808/58A GB 80858 A GB80858 A GB 80858A GB 841175 A GB841175 A GB 841175A
Authority
GB
United Kingdom
Prior art keywords
spring
springs
rubber
frame
jan
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
Application number
GB808/58A
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.)
MAURICE FRANCOIS ALEXANDRE JUL
Usines Paulstra SA
Original Assignee
MAURICE FRANCOIS ALEXANDRE JUL
Usines Paulstra SA
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 MAURICE FRANCOIS ALEXANDRE JUL, Usines Paulstra SA filed Critical MAURICE FRANCOIS ALEXANDRE JUL
Publication of GB841175A publication Critical patent/GB841175A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/02—Attaching arms to sprung part of vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/18—Resilient suspensions characterised by arrangement, location or kind of springs having torsion-bar springs only
    • B60G11/183—Resilient suspensions characterised by arrangement, location or kind of springs having torsion-bar springs only arranged in a plane transverse to the longitudinal axis of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/22—Resilient suspensions characterised by arrangement, location or kind of springs having rubber springs only
    • B60G11/225—Neidhart type rubber springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
    • B60G11/48—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds not including leaf springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
    • B60G11/48—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds not including leaf springs
    • B60G11/60—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds not including leaf springs having both rubber springs and torsion-bar springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/045—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on different axles on the same side of the vehicle, i.e. the left or the right side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055—Stabiliser bars
    • B60G21/0551—Mounting means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/13—Independent suspensions with longitudinal arms only
    • B60G2200/132—Independent suspensions with longitudinal arms only with a single trailing arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/12—Wound spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/13—Torsion spring
    • B60G2202/134—Torsion spring comprising a transversal torsion bar and/or tube
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/14—Plastic spring, e.g. rubber
    • B60G2202/142—Plastic spring, e.g. rubber subjected to shear, e.g. Neidhart type
    • B60G2202/1424—Torsional
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/122—Mounting of torsion springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/122—Mounting of torsion springs
    • B60G2204/1222—Middle mounts of stabiliser on vehicle body or chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/124—Mounting of coil springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/125—Mounting of rubber type springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/143—Mounting of suspension arms on the vehicle body or chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/15—Mounting of subframes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/41—Elastic mounts, e.g. bushings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/421—Pivoted lever mechanisms for mounting suspension elements, e.g. Watt linkage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43—Fittings, brackets or knuckles
    • B60G2204/4302—Fittings, brackets or knuckles for fixing suspension arm on the vehicle body or chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/44—Centering or positioning means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/44—Centering or positioning means
    • B60G2204/4404—Retainers for holding a fixing element, e.g. bushing, nut, bolt etc., until it is tightly fixed in position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/45—Stops limiting travel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/42—Springs
    • B60G2206/427—Stabiliser bars or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/60—Subframe construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/13—Small sized city motor vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/30—Height or ground clearance
    • B60G2500/32—Height or ground clearance of only one vehicle part or side
    • B60G2500/326—Height or ground clearance of only one vehicle part or side only left or right side

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

841,175. Road-vehicle spring-suspensions; springs. JULIEN, M. F. A., and USINES PAULSTRA. Jan. 8, 1958 [Jan. 10, 1957], No. 808/58. Classes 108(2) and 108(3). Arms 3, 3<SP>1</SP>, respectively carrying front and rear road wheels 2, 2<SP>1</SP>, are connected by a spring device 8 which is independent of the vehicle frame 1. Further springs 9, 9<SP>1</SP>, act respectively between each arm 3, 3<SP>1</SP>, and the frame 1. As shown, the spring 8 is a rubber compression spring, but it may be a coiled spring (Fig. 1, not shown). Springs 9 are formed by rubber sleeves which in an alternative form (Fig. 5, not shown) may be of rectangular cross-section. The inner surface of the rubber sleeve is connected to the frame via a' splined spindle 16 by means of which the pre-load of the spring may be adjusted. The spring 8 may be adjusted by means of a wing nut 10. The spring 9 may alternatively be a pneumatic spring or hydro-pneumatic spring (Fig. 6, not shown), or a tubular rubber compression spring reinforced with a coil spring (Fig. 7, not shown). The spring 9 may also be provided by a torsion bar. The rigidity of the spring 8 may be arranged to increase with deflection.
GB808/58A 1957-01-10 1958-01-08 Improvements in suspension systems for automobile vehicles Expired GB841175A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR841175X 1957-01-10

Publications (1)

Publication Number Publication Date
GB841175A true GB841175A (en) 1960-07-13

Family

ID=9306451

Family Applications (1)

Application Number Title Priority Date Filing Date
GB808/58A Expired GB841175A (en) 1957-01-10 1958-01-08 Improvements in suspension systems for automobile vehicles

Country Status (2)

Country Link
DE (1) DE1153270B (en)
GB (1) GB841175A (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007036234A1 (en) * 2005-09-30 2007-04-05 Thule Sweden Ab Arrangement for the suspension of a number of wheels
EP1943995A1 (en) * 2007-01-12 2008-07-16 Invacare International Sàrl A wheeled conveyance with suspension arms for wheels
GR1006455B (en) * 2008-06-25 2009-06-22 Αθανασιου Δημητριος Χατζηκακιδης Parametric system of frame for vehicles formed of four elements of suspension, with transverse torsion bar and coaxial system of buffer in a panel, that allows the storage of centrally heavy elements(such as batteries)
JP4580452B1 (en) * 2009-08-20 2010-11-10 富士重工業株式会社 Suspension device and load applying device
US8172015B2 (en) 2001-10-10 2012-05-08 Invacare Corporation Wheelchair suspension
US8172016B2 (en) 2000-10-27 2012-05-08 Invacare Corporation Obstacle traversing wheelchair
US8272461B2 (en) 2007-02-08 2012-09-25 Invacare Corporation Wheelchair suspension
US8534679B2 (en) 2002-10-25 2013-09-17 Invacare Corporation Suspension for wheeled vehicles
US8573341B2 (en) 2001-10-19 2013-11-05 Invacare Corporation Wheelchair suspension
US8910975B2 (en) 2007-02-14 2014-12-16 Invacare Corporation Wheelchair with suspension
US9010470B2 (en) 2009-10-09 2015-04-21 Invacare Corporation Wheelchair suspension
FR3021586A1 (en) * 2014-05-27 2015-12-04 Peugeot Citroen Automobiles Sa INTERCHANGEABLE INSERTER STIFF ADJUSTER DEVICE FOR ARM OF REAR VEHICLE TRAIN
US9308143B2 (en) 2012-02-15 2016-04-12 Invacare Corporation Wheelchair suspension
US11213441B2 (en) 2002-10-25 2022-01-04 Invacare Corporation Suspension for wheeled vehicles
US11903887B2 (en) 2020-02-25 2024-02-20 Invacare Corporation Wheelchair and suspension systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE532278C (en) * 1931-08-26 Erwin Kohlmann Dr Ing Suspension for motor vehicles
FR14858E (en) * 1911-07-04 1912-03-02 John Joseph Charley Improvements to vehicles and wheeled carriers
FR511468A (en) * 1920-01-24 1920-12-27 Koylinoyl Suspension Corp Improvements in pneumatic suspensions for vehicles
GB176580A (en) * 1921-01-11 1922-03-16 Joseph Reginald Montague Stanf Improvements in or relating to the spring-suspension of vehicles
US1894776A (en) * 1928-07-25 1933-01-17 Ming T Liang Spring suspension for automobile chassis
DE885959C (en) * 1948-12-20 1955-09-05 Daimler Benz Ag Connection, in particular an articulated connection, of parts swinging back and forth to one another
DE951195C (en) * 1951-12-15 1956-10-25 Uerdingen Ag Waggonfabrik Spring, especially for vehicles
DE945899C (en) * 1952-01-19 1956-07-19 Friedrich Stuebbe Hollow fluid spring with self-damping, especially for vehicles

Cited By (45)

* Cited by examiner, † Cited by third party
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US8172016B2 (en) 2000-10-27 2012-05-08 Invacare Corporation Obstacle traversing wheelchair
US9987177B2 (en) 2000-10-27 2018-06-05 Invacare Corporation Obstacle traversing wheelchair
US9149398B2 (en) 2000-10-27 2015-10-06 Invacare Corporation Obstacle traversing wheelchair
US8636089B2 (en) 2000-10-27 2014-01-28 Invacare Corporation Obstacle traversing wheelchair
US9370455B2 (en) 2001-10-10 2016-06-21 Invacare Corporation Wheelchair suspension
US8925943B2 (en) 2001-10-10 2015-01-06 Invacare Corp. Wheelchair suspension
US8172015B2 (en) 2001-10-10 2012-05-08 Invacare Corporation Wheelchair suspension
US8573341B2 (en) 2001-10-19 2013-11-05 Invacare Corporation Wheelchair suspension
US9364377B2 (en) 2002-10-25 2016-06-14 Invacare Corporation Suspension for wheeled vehicles
US9925100B2 (en) 2002-10-25 2018-03-27 Invacare Corporation Suspension for wheeled vehicles
US11213441B2 (en) 2002-10-25 2022-01-04 Invacare Corporation Suspension for wheeled vehicles
US8534679B2 (en) 2002-10-25 2013-09-17 Invacare Corporation Suspension for wheeled vehicles
US10512572B2 (en) 2002-10-25 2019-12-24 Invacare Corporation Suspension for wheeled vehicles
WO2007036234A1 (en) * 2005-09-30 2007-04-05 Thule Sweden Ab Arrangement for the suspension of a number of wheels
US8297388B2 (en) 2007-01-12 2012-10-30 Invacare International Sarl Wheelchair with suspension arms
EP1943995A1 (en) * 2007-01-12 2008-07-16 Invacare International Sàrl A wheeled conveyance with suspension arms for wheels
WO2008084462A1 (en) * 2007-01-12 2008-07-17 Invacare International Sarl A wheelchair with suspension arms for wheels
US10912690B2 (en) 2007-02-08 2021-02-09 Invacare Corporation Wheelchair suspension
US8794359B2 (en) 2007-02-08 2014-08-05 Invacare Corporation Wheelchair suspension
US10265229B2 (en) 2007-02-08 2019-04-23 Invacare Corporation Wheelchair suspension
US9603762B2 (en) 2007-02-08 2017-03-28 Invacare Corporation Wheelchair suspension
US11819464B2 (en) 2007-02-08 2023-11-21 Invacare Corporation Wheelchair suspension
US8272461B2 (en) 2007-02-08 2012-09-25 Invacare Corporation Wheelchair suspension
US11464687B2 (en) 2007-02-08 2022-10-11 Invacare Coporation Wheelchair suspension
US8910975B2 (en) 2007-02-14 2014-12-16 Invacare Corporation Wheelchair with suspension
US9346335B2 (en) 2007-02-14 2016-05-24 Invacare Corporation Stability control system
US9827823B2 (en) 2007-02-14 2017-11-28 Invacare Corporation Stability control system
US11535078B2 (en) 2007-02-14 2022-12-27 Invacare Corporation Stability control system
US11850906B2 (en) 2007-02-14 2023-12-26 Invacare Corporation Stability control system
US11097589B2 (en) 2007-02-14 2021-08-24 Invacare Corporation Stability control system
US10532626B2 (en) 2007-02-14 2020-01-14 Invacare Corporation Stability control system
GR1006455B (en) * 2008-06-25 2009-06-22 Αθανασιου Δημητριος Χατζηκακιδης Parametric system of frame for vehicles formed of four elements of suspension, with transverse torsion bar and coaxial system of buffer in a panel, that allows the storage of centrally heavy elements(such as batteries)
WO2009156769A1 (en) * 2008-06-25 2009-12-30 Hatzikakidis Dimitrios A Parametric chassis system for vehicles, comprising four suspension elements, incorporating a lateral torsion bar and co-axial damper unit, in a box-module, that allows central location of heavy items, such as batteries.
JP4580452B1 (en) * 2009-08-20 2010-11-10 富士重工業株式会社 Suspension device and load applying device
JP2011042228A (en) * 2009-08-20 2011-03-03 Fuji Heavy Ind Ltd Suspension device and load application device
US9913768B2 (en) 2009-10-09 2018-03-13 Invacare Corporation Wheelchair suspension
US11096845B2 (en) 2009-10-09 2021-08-24 Invacare Corporation Wheelchair suspension
US9010470B2 (en) 2009-10-09 2015-04-21 Invacare Corporation Wheelchair suspension
US11857470B2 (en) 2009-10-09 2024-01-02 Invacare Corporation Wheelchair suspension
US10434019B2 (en) 2012-02-15 2019-10-08 Invacare Corporation Wheelchair suspension
US11234875B2 (en) 2012-02-15 2022-02-01 Invacare Corporation Wheelchair suspension
US9700470B2 (en) 2012-02-15 2017-07-11 Invacare Corporation Wheelchair suspension
US9308143B2 (en) 2012-02-15 2016-04-12 Invacare Corporation Wheelchair suspension
FR3021586A1 (en) * 2014-05-27 2015-12-04 Peugeot Citroen Automobiles Sa INTERCHANGEABLE INSERTER STIFF ADJUSTER DEVICE FOR ARM OF REAR VEHICLE TRAIN
US11903887B2 (en) 2020-02-25 2024-02-20 Invacare Corporation Wheelchair and suspension systems

Also Published As

Publication number Publication date
DE1153270B (en) 1963-08-22

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