US20020030340A1 - Automotive suspension system for increasing roll safety - Google Patents
Automotive suspension system for increasing roll safety Download PDFInfo
- Publication number
- US20020030340A1 US20020030340A1 US09/741,545 US74154500A US2002030340A1 US 20020030340 A1 US20020030340 A1 US 20020030340A1 US 74154500 A US74154500 A US 74154500A US 2002030340 A1 US2002030340 A1 US 2002030340A1
- Authority
- US
- United States
- Prior art keywords
- spring
- leaf spring
- twist
- spring pin
- leaf
- 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.)
- Granted
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 239000003381 stabilizer Substances 0.000 claims abstract description 10
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000006563 Carroll rearrangement reaction Methods 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 230000000087 stabilizing effect Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of 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
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/10—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G9/00—Resilient suspensions of a rigid axle or axle housing for two or more wheels
- B60G9/003—Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle being rigidly connected to a trailing guiding device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/30—Rigid axle suspensions
- B60G2200/312—Rigid axle suspensions with one of the two trailing arms being rigidly connected to the axle
-
- 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
- B60G2202/11—Leaf spring
- B60G2202/112—Leaf spring longitudinally arranged
-
- 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
- B60G2204/121—Mounting of leaf 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
- B60G2204/40—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
- B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
- B60G2204/82—Interactive suspensions; arrangement affecting more than one suspension unit left and right unit on same axle
-
- 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
- B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
- B60G2204/83—Type of interconnection
- B60G2204/8306—Permanent; Continuous
Definitions
- the present invention relates to an automotive suspension system for increasing roll safety, and more particularly to an automotive suspension system for increasing roll safety adapted to restrict twist at a tip portion of a leaf spring when an automobile is tilted to one direction to thereby increase strength of the leaf spring with generation of stabilizing function.
- an automotive suspension system serves to connect an axle and a body to adequately attenuate vibration or shock of the axle received from road surface while a vehicle is running, thereby improving people's comfort riding in the vehicle and preventing damage to the body.
- an automotive suspension system for trucks or buses includes side frames 1 arranged lengthwise at left and right sides of the body and leaf springs 2 fixed lengthwise to the frames 1 and mounted to an axle via a U-bolt, as illustrated in FIG. 1.
- the automotive suspension system is of course mounted with a stabilizer mounted at a tip and an axle for fixing both tip ends in order to decrease rolling of the body.
- the present invention is disclosed to solve the aforementioned problems and it is an object of the present invention to provide an automotive suspension system for increasing roll safety adapted to restrict a twist at a tip portion of a leaf spring when an automobile rolls around to thereby increase strength of leaf spring with generation of stabilizing function.
- an automotive suspension system comprising leaf springs fixed lengthwise on side frames arranged lengthwise at left and right sides of a body with the central portion thereof being mounted to an axle, a stabilizer mounted with both edges being mounted at ends of the axle to decrease rolling of the body, wherein serration is respectively formed at the internal surface of a spring eye that forms an end of the leaf spring and at the outer surface of a spring pin for corresponding insertion therebetween and a hitching edge is formed at its lower portion being protruded by eliminating the upper portion of the leaf spring in a semicircular shape, so that an insertion hole is formed with a stopper being protruded toward the center from the top to restrict the rolling by getting the hitching edge of the spring pin to be inserted into a fixing bracket to generate a twist at the leaf spring when an automobile tilts to one direction.
- FIG. 1 is a partial view for illustrating the structure of an automotive suspension system for increasing roll safety
- FIG. 2 is a partial cross-sectional view cut along line A-A shown in FIG. 1;
- FIG. 3 is a perspective view for illustrating attachment or detachment of a leaf spring to generate supplementary stabilizing function of an automotive suspension system in accordance with the present invention.
- FIG. 4 is a view for illustrating an operational state of an automotive suspension system to generate supplementary stabilizing function in accordance with the present invention.
- FIG. 1 is a partial view for illustrating the structure of an automotive suspension system for increasing roll safety in accordance with the present invention.
- the automotive suspension system is made in a coupling structure, including: side frames 1 arranged lengthwise at left and right sides of a body; leaf springs 2 mounted to an axle via a U-bolt; and a stabilizer (not shown) with both edges being mounted to ends of the axle to decrease rolling of the body, wherein a fixing part formed at one of the leaf springs 2 , as shown in FIG. 2, is formed with a fixing bracket 3 and a spring pin 4 attached onto the side frame to generate twist at the leaf spring 2 when the car tilts to one direction.
- the aforementioned coupling structure of an automotive suspension system for generating a twist when the car rolls around includes as shown in FIG. 3: serration 2 b formed at an internal surface of a spring eye 2 a at the end of the leaf spring 2 and at an outer surface of the spring pin 4 for corresponding insertion when the spring pin 4 is inserted into the spring eye 2 a of the leaf spring 2 ; a hitching edge 4 b with its lower portion being protruded as the upper portion of the edge of the spring pin 4 is eliminated in a semicircular shape; and an insertion hole 3 a formed with a stopper 3 b protruded toward the center from the upper portion to restrict rotation by allowing the hitching edge 4 b of the spring pin 4 to be inserted into a fixing bracket 3 .
- a flange (shown in a dot line in the drawing) having a relatively large diameter is integrated at the end of the hitching edge 4 b , as shown in FIG. 3.
- the suspension system of the present invention operates in the same manners as the conventional system, such that redundant descriptions are omitted. However, descriptions will be made on occurrences of rolling when wheels of the vehicle move irregularly up or down, causing twists and when its body tilts to one side as the vehicle is running around.
- the leaf spring 2 of the suspension system at one side, to which the car is driven may cope with a greater weight of load than that of the other side. Accordingly, a force to roll to a direction R may be applied to the spring pin 3 coupled with the spring eye 2 a of the leaf spring 2 according to the increased weight.
- the spring pin 3 to roll to the direction R may turn the spring eye 2 a of the leaf spring 2 via serration 2 b , 3 a inserted together.
- the hitching edge 3 b of the spring pin 3 is blocked from being rolled by the stopper 4 b that is protruded to the upper portion of the insertion hole 4 a of the fixing bracket 4 .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
- 1. Field of the Invention
- The present invention relates to an automotive suspension system for increasing roll safety, and more particularly to an automotive suspension system for increasing roll safety adapted to restrict twist at a tip portion of a leaf spring when an automobile is tilted to one direction to thereby increase strength of the leaf spring with generation of stabilizing function.
- 2. Description of the Prior Art
- In general, an automotive suspension system serves to connect an axle and a body to adequately attenuate vibration or shock of the axle received from road surface while a vehicle is running, thereby improving people's comfort riding in the vehicle and preventing damage to the body. Particularly, an automotive suspension system for trucks or buses includes
side frames 1 arranged lengthwise at left and right sides of the body andleaf springs 2 fixed lengthwise to theframes 1 and mounted to an axle via a U-bolt, as illustrated in FIG. 1. - Furthermore, the automotive suspension system is of course mounted with a stabilizer mounted at a tip and an axle for fixing both tip ends in order to decrease rolling of the body.
- However, there is a problem in a heavy-duty vehicle such as truck or the like in that, when the vehicle rolls around, careening caused by centripetal force according to weight of overloaded cargoes or high speed of the vehicle cannot be coped with by restoring force of a stabilizer, resulting in possible overturn of vehicle, so it is imperative that a suspension system should be developed with a stabilizer with a notion of increased restoring force thereof to obtain safety of the vehicle at all events.
- The present invention is disclosed to solve the aforementioned problems and it is an object of the present invention to provide an automotive suspension system for increasing roll safety adapted to restrict a twist at a tip portion of a leaf spring when an automobile rolls around to thereby increase strength of leaf spring with generation of stabilizing function.
- In order to accomplish the aforementioned object of the present invention, there is provided an automotive suspension system comprising leaf springs fixed lengthwise on side frames arranged lengthwise at left and right sides of a body with the central portion thereof being mounted to an axle, a stabilizer mounted with both edges being mounted at ends of the axle to decrease rolling of the body, wherein serration is respectively formed at the internal surface of a spring eye that forms an end of the leaf spring and at the outer surface of a spring pin for corresponding insertion therebetween and a hitching edge is formed at its lower portion being protruded by eliminating the upper portion of the leaf spring in a semicircular shape, so that an insertion hole is formed with a stopper being protruded toward the center from the top to restrict the rolling by getting the hitching edge of the spring pin to be inserted into a fixing bracket to generate a twist at the leaf spring when an automobile tilts to one direction.
- For fuller understanding of the nature and object of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings in which:
- FIG. 1 is a partial view for illustrating the structure of an automotive suspension system for increasing roll safety;
- FIG. 2 is a partial cross-sectional view cut along line A-A shown in FIG. 1;
- FIG. 3 is a perspective view for illustrating attachment or detachment of a leaf spring to generate supplementary stabilizing function of an automotive suspension system in accordance with the present invention; and
- FIG. 4 is a view for illustrating an operational state of an automotive suspension system to generate supplementary stabilizing function in accordance with the present invention.
- Objects and aspects of the invention will become apparent from the following detailed description of a preferred embodiment with reference to the accompanying drawings.
- FIG. 1 is a partial view for illustrating the structure of an automotive suspension system for increasing roll safety in accordance with the present invention. In the present invention, the automotive suspension system is made in a coupling structure, including:
side frames 1 arranged lengthwise at left and right sides of a body;leaf springs 2 mounted to an axle via a U-bolt; and a stabilizer (not shown) with both edges being mounted to ends of the axle to decrease rolling of the body, wherein a fixing part formed at one of theleaf springs 2, as shown in FIG. 2, is formed with afixing bracket 3 and aspring pin 4 attached onto the side frame to generate twist at theleaf spring 2 when the car tilts to one direction. - In other words, the aforementioned coupling structure of an automotive suspension system for generating a twist when the car rolls around, includes as shown in FIG. 3:
serration 2 b formed at an internal surface of a spring eye 2 a at the end of theleaf spring 2 and at an outer surface of thespring pin 4 for corresponding insertion when thespring pin 4 is inserted into the spring eye 2 a of theleaf spring 2; ahitching edge 4 b with its lower portion being protruded as the upper portion of the edge of thespring pin 4 is eliminated in a semicircular shape; and an insertion hole 3 a formed with astopper 3 b protruded toward the center from the upper portion to restrict rotation by allowing the hitchingedge 4 b of thespring pin 4 to be inserted into afixing bracket 3. - At this time, in order to firmly insert the
spring pin 4 into thefixing bracket 3 and prevent looseness, a flange (shown in a dot line in the drawing) having a relatively large diameter is integrated at the end of thehitching edge 4 b, as shown in FIG. 3. - Operations of the present invention will now be described in detail.
- Generally, when a vehicle is running, the suspension system of the present invention operates in the same manners as the conventional system, such that redundant descriptions are omitted. However, descriptions will be made on occurrences of rolling when wheels of the vehicle move irregularly up or down, causing twists and when its body tilts to one side as the vehicle is running around.
- In other words, when the body tilts to one side to turn to one direction, the
leaf spring 2 of the suspension system at one side, to which the car is driven, may cope with a greater weight of load than that of the other side. Accordingly, a force to roll to a direction R may be applied to thespring pin 3 coupled with the spring eye 2 a of theleaf spring 2 according to the increased weight. - At this time, the
spring pin 3 to roll to the direction R may turn the spring eye 2 a of theleaf spring 2 viaserration 2 b, 3 a inserted together. However, the hitchingedge 3 b of thespring pin 3 is blocked from being rolled by thestopper 4 b that is protruded to the upper portion of theinsertion hole 4 a of thefixing bracket 4. - Then, the rotational force of the
spring pin 3 blocked by thestopper 4 b of thefixing bracket 4 is transmitted to the spring eye 2 a of theleaf spring 2 coupled via inversely formedserrations 2 b and 3 a, thereby generating twist at the spring eye 2 a of theleaf spring 2. - Therefore, the twist generated at the
leaf spring 2 according to an increased weight when a vehicle turns to one side is eliminated by removal of the twist at theleaf spring 2 when the vehicle returns to its normal state after turning around. In consequence, the returning force of theleaf spring 2 is added to that of the stabilizer in the same direction, so as to swiftly, safely decrease the rolling of the body. - As shown above, there is an advantage in the automotive suspension system of the present invention in that twist is generated at the leaf spring, when an automobile tilts to one direction, to add the returning force of the leaf spring to that of the stabilizer, thereby significantly decreasing rolling of the body and effectively securing a high safety.
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0047517A KR100372415B1 (en) | 2000-08-17 | 2000-08-17 | An automotive suspension system for increasing rolling safety degree |
KR2000-47517 | 2000-08-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20020030340A1 true US20020030340A1 (en) | 2002-03-14 |
US6428025B1 US6428025B1 (en) | 2002-08-06 |
Family
ID=19683545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/741,545 Expired - Fee Related US6428025B1 (en) | 2000-08-17 | 2000-12-19 | Automotive suspension system for increasing roll safety |
Country Status (4)
Country | Link |
---|---|
US (1) | US6428025B1 (en) |
JP (1) | JP2002059725A (en) |
KR (1) | KR100372415B1 (en) |
CN (1) | CN1338395A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150210135A1 (en) * | 2014-01-24 | 2015-07-30 | Stalwart Design & Development LLC | Shock absorber mounting assembly for leaf spring suspension trailers |
CN112406445A (en) * | 2020-11-27 | 2021-02-26 | 安联(郑州)工程机械有限公司 | Oil-gas suspension device for trailer and semitrailer |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040198171A1 (en) * | 2000-05-12 | 2004-10-07 | Tomy Company, Ltd. | Suspension for running toy and running toy |
JP2002166064A (en) * | 2000-12-05 | 2002-06-11 | Tomy Co Ltd | Suspension for traveling toys and traveling toys |
GB0308572D0 (en) * | 2003-04-12 | 2003-05-21 | Detroit Steel Products Co Inc | Anti-roll leaf spring suspension |
US8342487B2 (en) * | 2004-01-19 | 2013-01-01 | Standens Ltd. | Anti-roll leaf spring suspension |
KR101219333B1 (en) * | 2006-09-13 | 2013-01-08 | 현대자동차주식회사 | Suspension for vehicle with leaf spring |
WO2009027710A1 (en) * | 2007-09-01 | 2009-03-05 | Robert Gerrard | Leaf spring suspension system |
CN102490562A (en) * | 2011-11-30 | 2012-06-13 | 潍柴动力股份有限公司 | Automobile leaf spring slide plate seat assembly and automobile damping system |
US8485542B1 (en) * | 2012-02-09 | 2013-07-16 | Chrysler Group Llc | Suspension system for a vehicle |
EP2821264B1 (en) * | 2013-07-02 | 2018-05-30 | Iveco Magirus Ag | Device for limiting the hanging of a rebounded axle of a vehicle and vehicle comprising such device |
DE102013107889A1 (en) * | 2013-07-23 | 2015-01-29 | Muhr Und Bender Kg | Leaf spring assembly for motor vehicles |
DE102015114729B4 (en) * | 2015-09-03 | 2020-06-10 | Saf-Holland Gmbh | Bearing block |
DE102019131736B3 (en) * | 2019-11-25 | 2021-05-06 | Ford Global Technologies Llc | Bearing eye for a leaf spring and a leaf spring with a bearing eye |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1265623A (en) * | 1917-09-27 | 1918-05-07 | Enos P Currey | Spring connection. |
US1964625A (en) * | 1933-11-25 | 1934-06-26 | Dwork Max | Jacking attachment |
US2547993A (en) * | 1947-05-17 | 1951-04-10 | Benz August | Spring and axle assembly for vehicles |
US3929347A (en) * | 1974-08-26 | 1975-12-30 | Lear Siegler Inc | Tandem wheel suspension system for closely adjacent wheels |
US4125276A (en) * | 1977-11-23 | 1978-11-14 | Levasseur Joseph E | Four wheel drive stabilizer |
US4618337A (en) * | 1983-10-26 | 1986-10-21 | Toyota Jidosha Kabushiki Kaisha | V-belt assembly for transmitting power |
US4718693A (en) * | 1986-06-11 | 1988-01-12 | Booher Benjamin V | Composite leaf spring suspension with integral sway bar |
JPH01145214A (en) * | 1987-12-01 | 1989-06-07 | Honda Motor Co Ltd | Horizontally placed leaf spring type suspension |
GB2220896B (en) * | 1988-07-14 | 1992-02-12 | James L Srch | Suspension adjustment |
US6118083A (en) * | 1996-11-08 | 2000-09-12 | Creative Microsystems | Weight measurement apparatus for vehicles |
US6247689B1 (en) * | 2000-01-28 | 2001-06-19 | Paccar Inc. | Apparatus for a vehicle suspension system |
-
2000
- 2000-08-17 KR KR10-2000-0047517A patent/KR100372415B1/en not_active Expired - Fee Related
- 2000-12-18 JP JP2000384166A patent/JP2002059725A/en active Pending
- 2000-12-19 US US09/741,545 patent/US6428025B1/en not_active Expired - Fee Related
- 2000-12-20 CN CN00137331A patent/CN1338395A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150210135A1 (en) * | 2014-01-24 | 2015-07-30 | Stalwart Design & Development LLC | Shock absorber mounting assembly for leaf spring suspension trailers |
US9333827B2 (en) * | 2014-01-24 | 2016-05-10 | Stalwart Design & Development LLC | Shock absorber mounting assembly for leaf spring suspension trailers |
CN112406445A (en) * | 2020-11-27 | 2021-02-26 | 安联(郑州)工程机械有限公司 | Oil-gas suspension device for trailer and semitrailer |
Also Published As
Publication number | Publication date |
---|---|
KR20020014310A (en) | 2002-02-25 |
US6428025B1 (en) | 2002-08-06 |
KR100372415B1 (en) | 2003-02-17 |
JP2002059725A (en) | 2002-02-26 |
CN1338395A (en) | 2002-03-06 |
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Effective date: 20100806 |