US20060163788A1 - Rubber bushing - Google Patents
Rubber bushing Download PDFInfo
- Publication number
- US20060163788A1 US20060163788A1 US11/043,728 US4372805A US2006163788A1 US 20060163788 A1 US20060163788 A1 US 20060163788A1 US 4372805 A US4372805 A US 4372805A US 2006163788 A1 US2006163788 A1 US 2006163788A1
- Authority
- US
- United States
- Prior art keywords
- pin
- bushing
- sleeve
- cylindrical
- bushings
- 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
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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
- F16F1/3842—Method of assembly, production or treatment; Mounting thereof
-
- 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
- B60G11/64—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds not including leaf springs having both torsion-bar springs and fluid springs
-
- 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
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/30—Rigid axle suspensions
- B60G2200/314—Rigid axle suspensions with longitudinally arranged arms articulated on the axle
- B60G2200/315—Rigid axle suspensions with longitudinally arranged arms articulated on the axle at least one of the arms having an A or V shape
-
- 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
- B60G2202/135—Stabiliser 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
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
-
- 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
- B60G2204/40—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
- B60G2204/44—Centering or positioning means
Definitions
- the subject invention relates to a bushing assembly for a vehicle suspension system that includes a pair of bushing members separated by a washer and an outer retaining sleeve that surrounds the pair of bushing members and provides axial load carrying surfaces for the bushing assembly.
- Vehicle suspension systems include bushing assemblies that are mounted between a suspension beam component and an axle housing.
- each bushing assembly includes an inner sleeve, an outer sleeve, and a piece of urethane or rubber that is positioned between the inner and outer sleeves.
- the inner sleeve is supported on a pin with the outer sleeve surrounding an outer circumferential surface of the rubber sleeve.
- the bushing assembly In order to accommodate axial loading, the bushing assembly has traditionally required a large single piece of rubber or urethane between the inner and outer sleeves. This traditional configuration is expensive and often does not provide sufficient conical compliance during vehicle operation. Further, this configuration has a tendency to experience high pre-loads, which is undesirable.
- a bushing assembly includes a first bushing member and a second bushing member that are separated by a washer.
- An outer retaining sleeve surrounds the first and second bushing members and the washer.
- the outer retaining sleeve includes opposing end portions that are deformed over outboard edges of the first and second bushing members to form axial load carrying surfaces for the first and said second bushings.
- the bushing assembly is supported on a vehicle suspension component, such as a suspension arm.
- the bushing assembly includes a pin having a central body extending between pin ends. The pin ends are adapted to be mounted to an axle component, such as an axle housing.
- Each of the first and second bushings includes an inner sleeve fixed to the pin and a resilient sleeve surrounding an outer circumferential surface of the inner sleeve.
- the washer is in direct abutting engagement with inboard edges of the inner sleeve and the resilient sleeves of both the first and second bushings.
- the outer retaining sleeve engages outer circumferential surfaces of the resilient sleeves. The end portions of the outer retaining sleeve are deformed over outboard edges of the resilient sleeve.
- the first and second bushings are fixed to the central body in an interference fit.
- the washer is supported on the pin intermediate the first and second bushings.
- the washer is rigidly held in place by the first and second bushings at a generally central position on the pin.
- the central position of the washer provides optimal conical compliance, which is controlled by the extent of roll-over of the opposing end portions of the outer retaining sleeve.
- FIG. 1 is an exploded view of one example of a vehicle suspension system incorporating the subject invention.
- FIG. 2 is a cross-sectional view of a bushing assembly as used in the vehicle suspension system of FIG. 1 .
- FIG. 3 is an end view of the bushing assembly of FIG. 2 .
- FIG. 1 An axle assembly 10 with a suspension system 12 is shown in FIG. 1 .
- the axle assembly 10 includes an axle housing 14 that extends between a pair of wheel ends 16 .
- the suspension system 12 includes a V-rod 18 with a center pivot 20 and a pair of legs 22 that extend outwardly from the center pivot 20 .
- the center pivot 20 is mounted at a center portion 24 of the axle housing 14 and each leg of the pair of legs 22 is mounted to a vehicle frame 26 as known.
- the suspension system 12 also includes first 28 and second 30 trailing arms that are mounted to suspension hanger brackets 32 at one end, and which include spring seats 34 for supporting air springs 36 .
- a stabilizer bar assembly 38 extends laterally between the first 28 and second 30 trailing arms.
- the suspension hanger brackets 32 are mounted to the vehicle frame 26 .
- Shock absorbers 40 are also mounted between the vehicle frame 26 and the first 28 and second 30 trailing arms.
- a bushing assembly 42 is supported on each of the first 28 and second 30 trailing arms.
- the bushing assemblies 42 are mounted to brackets 44 fixed to housing legs 46 of the axle housing 14 .
- the bushing assembly 42 includes a pin 50 with a center body portion 52 that extends between pin ends 54 defining a pin axis A.
- the central body portion 52 is preferably a solid steel component, however, other similar materials could also be used.
- Each pin end 54 includes an opening 56 that corresponds to an opening 58 ( FIG. 1 ) in the brackets 44 mounted to the axle housing 14 .
- Fasteners 60 ( FIG. 1 ) extend through the openings 56 , 58 in the pin ends 54 and brackets 44 to secure the bushing assemblies 42 to the axle housing 14 .
- the bushing assembly 42 includes a first bushing member 62 and a second bushing member 64 .
- Each of the first 62 and second 64 bushing members includes an inner sleeve 66 that is press fit onto an outer circumferential surface 68 of the center body portion 52 of the pin 50 to achieve an interference fit.
- the inner sleeves 66 are preferably formed from steel, however, other similar materials could also be used.
- Each of the first 62 and second 64 bushing members also includes a resilient sleeve 70 that surrounds an outer circumferential surface of each inner sleeve 66 .
- the resilient sleeves 70 are preferably formed from rubber, however, other similar materials could also be used.
- a washer 72 is positioned between the first 62 and second 64 bushing members.
- Each of the first 62 and second 64 bushing members include an inboard edge 74 and an outboard edge 76 .
- the inboard edges 74 face each other and the outboard edges 76 face away from each other.
- the washer 72 is preferably a single piece washer that directly abuts against the inboard edges 74 of the first 62 and second 64 bushing members.
- the washer 72 serves as a restraining component that provides additional lateral resistance in a direction parallel to the pin axis A.
- the washer 72 is supported on the pin 50 and is rigidly held in place by the first 62 and second 64 bushing members.
- the washer 72 is preferably made from steel, however, other similar materials could also be used.
- An outer retaining tube or sleeve 78 substantially surrounds the first 62 and second 64 bushing members and the washer 72 .
- the outer retaining sleeve 78 includes opposing sleeve end portions 80 that are deformed over the outboard edges 76 of the first 62 and second 64 bushing members.
- the opposing sleeve end portions 80 are deformed over outboard edges of the resilient sleeves 70 , with outboard edges of the inner sleeves 66 extending axially outwardly from the resilient sleeves 70 in opposing directions along the pin axis A.
- the outer retaining sleeve 78 is formed from a steel material and the opposing sleeve end portions 80 are crimped over the outboard edges 76 , however, other similar materials and deforming methods could also be used.
- the outer retaining sleeve 78 is a single piece component that has an inner surface 82 that directly engages outer circumferential surfaces 84 of each of the resilient sleeves 70 of the first 62 and second 64 bushing members.
- the inner surface 82 is defined by radial distance from pin axis A that is greater than the diameter of the washer 72 at an outer circumferential edge. This forms an annular space 86 between the inner surface 82 of the outer retaining sleeve 78 and the washer 72 . Further, the annular space 86 is between the first 62 and second 64 bushing members.
- FIG. 1 is merely one example of a suspension system that benefits from the invention.
- the washer 72 is preferably centrally positioned on the pin 50 .
- the washer 72 is positioned generally equal distances from each of the pin ends 54 and/or opposing sleeve end portions 80 .
- the opposing sleeve end portions 80 are deformed or rolled over the outboard edges 76 of the first 62 and second 64 bushing members.
- the opposing sleeve end portions 80 are crimped to form transversely extending lips that define axial load carrying surfaces 88 for the first 62 and second 64 bushing members.
- the axial load carrying surfaces 88 provide lateral resistance in addition to the lateral resistance provided by the washer 72 .
- the central location of the washer 72 is critical as the configuration provides optimal conical compliance, which can be controlled by the extent of roll-over of the opposing sleeve end portions 80 . Further, this unique configuration also reduces pre-loads on the bushing assembly 42 .
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Springs (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
- The subject invention relates to a bushing assembly for a vehicle suspension system that includes a pair of bushing members separated by a washer and an outer retaining sleeve that surrounds the pair of bushing members and provides axial load carrying surfaces for the bushing assembly.
- Vehicle suspension systems include bushing assemblies that are mounted between a suspension beam component and an axle housing. Typically, each bushing assembly includes an inner sleeve, an outer sleeve, and a piece of urethane or rubber that is positioned between the inner and outer sleeves. The inner sleeve is supported on a pin with the outer sleeve surrounding an outer circumferential surface of the rubber sleeve.
- In order to accommodate axial loading, the bushing assembly has traditionally required a large single piece of rubber or urethane between the inner and outer sleeves. This traditional configuration is expensive and often does not provide sufficient conical compliance during vehicle operation. Further, this configuration has a tendency to experience high pre-loads, which is undesirable.
- Thus, there is a need for a low-cost bushing assembly that reduces pre-loads, and which provides sufficient axial loading while optimizing conical compliance, in addition to overcoming the other deficiencies in the prior art.
- A bushing assembly includes a first bushing member and a second bushing member that are separated by a washer. An outer retaining sleeve surrounds the first and second bushing members and the washer. The outer retaining sleeve includes opposing end portions that are deformed over outboard edges of the first and second bushing members to form axial load carrying surfaces for the first and said second bushings.
- In one example, the bushing assembly is supported on a vehicle suspension component, such as a suspension arm. The bushing assembly includes a pin having a central body extending between pin ends. The pin ends are adapted to be mounted to an axle component, such as an axle housing.
- Each of the first and second bushings includes an inner sleeve fixed to the pin and a resilient sleeve surrounding an outer circumferential surface of the inner sleeve. The washer is in direct abutting engagement with inboard edges of the inner sleeve and the resilient sleeves of both the first and second bushings. The outer retaining sleeve engages outer circumferential surfaces of the resilient sleeves. The end portions of the outer retaining sleeve are deformed over outboard edges of the resilient sleeve.
- Preferably, the first and second bushings are fixed to the central body in an interference fit. The washer is supported on the pin intermediate the first and second bushings. The washer is rigidly held in place by the first and second bushings at a generally central position on the pin. The central position of the washer provides optimal conical compliance, which is controlled by the extent of roll-over of the opposing end portions of the outer retaining sleeve.
- These and other features of the present invention can be best understood from the following specification and drawings, the following of which is a brief description.
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FIG. 1 is an exploded view of one example of a vehicle suspension system incorporating the subject invention. -
FIG. 2 is a cross-sectional view of a bushing assembly as used in the vehicle suspension system ofFIG. 1 . -
FIG. 3 is an end view of the bushing assembly ofFIG. 2 . - An
axle assembly 10 with asuspension system 12 is shown inFIG. 1 . Theaxle assembly 10 includes anaxle housing 14 that extends between a pair ofwheel ends 16. Thesuspension system 12 includes a V-rod 18 with acenter pivot 20 and a pair oflegs 22 that extend outwardly from thecenter pivot 20. Thecenter pivot 20 is mounted at acenter portion 24 of theaxle housing 14 and each leg of the pair oflegs 22 is mounted to avehicle frame 26 as known. - The
suspension system 12 also includes first 28 and second 30 trailing arms that are mounted tosuspension hanger brackets 32 at one end, and which includespring seats 34 for supportingair springs 36. Astabilizer bar assembly 38 extends laterally between the first 28 and second 30 trailing arms. Thesuspension hanger brackets 32 are mounted to thevehicle frame 26.Shock absorbers 40 are also mounted between thevehicle frame 26 and the first 28 and second 30 trailing arms. - A
bushing assembly 42 is supported on each of the first 28 and second 30 trailing arms. Thebushing assemblies 42 are mounted tobrackets 44 fixed tohousing legs 46 of theaxle housing 14. - An example of the
bushing assembly 42 is shown inFIGS. 2 and 3 . Thebushing assembly 42 includes apin 50 with acenter body portion 52 that extends betweenpin ends 54 defining a pin axis A. Thecentral body portion 52 is preferably a solid steel component, however, other similar materials could also be used. Eachpin end 54 includes anopening 56 that corresponds to an opening 58 (FIG. 1 ) in thebrackets 44 mounted to theaxle housing 14. Fasteners 60 (FIG. 1 ) extend through theopenings pin ends 54 andbrackets 44 to secure thebushing assemblies 42 to theaxle housing 14. - The
bushing assembly 42 includes a first bushingmember 62 and asecond bushing member 64. Each of the first 62 and second 64 bushing members includes aninner sleeve 66 that is press fit onto an outercircumferential surface 68 of thecenter body portion 52 of thepin 50 to achieve an interference fit. Theinner sleeves 66 are preferably formed from steel, however, other similar materials could also be used. Each of the first 62 and second 64 bushing members also includes aresilient sleeve 70 that surrounds an outer circumferential surface of eachinner sleeve 66. Theresilient sleeves 70 are preferably formed from rubber, however, other similar materials could also be used. - A
washer 72 is positioned between the first 62 and second 64 bushing members. Each of the first 62 and second 64 bushing members include aninboard edge 74 and anoutboard edge 76. Theinboard edges 74 face each other and theoutboard edges 76 face away from each other. Thewasher 72 is preferably a single piece washer that directly abuts against theinboard edges 74 of the first 62 and second 64 bushing members. Thewasher 72 serves as a restraining component that provides additional lateral resistance in a direction parallel to the pin axis A. Thewasher 72 is supported on thepin 50 and is rigidly held in place by the first 62 and second 64 bushing members. Thewasher 72 is preferably made from steel, however, other similar materials could also be used. - An outer retaining tube or
sleeve 78 substantially surrounds the first 62 and second 64 bushing members and thewasher 72. Theouter retaining sleeve 78 includes opposingsleeve end portions 80 that are deformed over theoutboard edges 76 of the first 62 and second 64 bushing members. Preferably, the opposingsleeve end portions 80 are deformed over outboard edges of theresilient sleeves 70, with outboard edges of theinner sleeves 66 extending axially outwardly from theresilient sleeves 70 in opposing directions along the pin axis A. Preferably, theouter retaining sleeve 78 is formed from a steel material and the opposingsleeve end portions 80 are crimped over theoutboard edges 76, however, other similar materials and deforming methods could also be used. - The
outer retaining sleeve 78 is a single piece component that has aninner surface 82 that directly engages outercircumferential surfaces 84 of each of theresilient sleeves 70 of the first 62 and second 64 bushing members. Theinner surface 82 is defined by radial distance from pin axis A that is greater than the diameter of thewasher 72 at an outer circumferential edge. This forms anannular space 86 between theinner surface 82 of theouter retaining sleeve 78 and thewasher 72. Further, theannular space 86 is between the first 62 and second 64 bushing members. - While the bushing assembly is shown as being installed in a suspension system configured as shown in
FIG. 1 , it should be understood that the bushing assembly could be used in other suspension applications. Thus, the suspension system ofFIG. 1 is merely one example of a suspension system that benefits from the invention. - The
washer 72 is preferably centrally positioned on thepin 50. In one example, thewasher 72 is positioned generally equal distances from each of the pin ends 54 and/or opposingsleeve end portions 80. As discussed above, the opposingsleeve end portions 80 are deformed or rolled over theoutboard edges 76 of the first 62 and second 64 bushing members. The opposingsleeve end portions 80 are crimped to form transversely extending lips that define axialload carrying surfaces 88 for the first 62 and second 64 bushing members. The axialload carrying surfaces 88 provide lateral resistance in addition to the lateral resistance provided by thewasher 72. The central location of thewasher 72 is critical as the configuration provides optimal conical compliance, which can be controlled by the extent of roll-over of the opposingsleeve end portions 80. Further, this unique configuration also reduces pre-loads on thebushing assembly 42. - Although a preferred embodiment of this invention has been disclosed, a worker of ordinary skill in this art would recognize that certain modifications would come within the scope of this invention. For that reason, the following claims should be studied to determine the true scope and content of this invention.
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/043,728 US7090208B1 (en) | 2005-01-26 | 2005-01-26 | Rubber bushing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US11/043,728 US7090208B1 (en) | 2005-01-26 | 2005-01-26 | Rubber bushing |
Publications (2)
Publication Number | Publication Date |
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US20060163788A1 true US20060163788A1 (en) | 2006-07-27 |
US7090208B1 US7090208B1 (en) | 2006-08-15 |
Family
ID=36695961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/043,728 Expired - Fee Related US7090208B1 (en) | 2005-01-26 | 2005-01-26 | Rubber bushing |
Country Status (1)
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US (1) | US7090208B1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090060640A1 (en) * | 2007-09-04 | 2009-03-05 | Richard Gregory Vogler | Lightweight heavy duty bushing with easy assembly |
US20110222803A1 (en) * | 2010-03-12 | 2011-09-15 | Hendrickson Usa, L.L.C. | Rotatable Bar Pin Bushing Assembly |
US20120049422A1 (en) * | 2010-08-31 | 2012-03-01 | General Electric Company | Slotted spring vibration isolator |
US20150035246A1 (en) * | 2013-08-01 | 2015-02-05 | Hendrickson Usa, L.L.C. | Cross Arm Bushing Assembly Useful For Vehicle Suspension |
CN104963979A (en) * | 2015-06-30 | 2015-10-07 | 福建省博强机械发展有限公司 | Torsion rubber core |
US20180272819A1 (en) * | 2016-03-17 | 2018-09-27 | Saf-Holland, Inc. | Powered vehicle suspension assembly |
CN113530940A (en) * | 2020-04-13 | 2021-10-22 | 普尔曼公司 | Bush with split bolt |
US11685209B2 (en) * | 2018-12-26 | 2023-06-27 | Hyundai Motor Company | Composite material bush |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080106056A1 (en) * | 2006-11-07 | 2008-05-08 | Meritor Suspension Systems Company, U.S. | Heat shrunken low-friction stabilizer bar sleeve |
US20110116731A1 (en) * | 2009-11-17 | 2011-05-19 | The Pullman Company | Confined heavy duty bushing for high load applications |
US11577569B2 (en) | 2020-11-04 | 2023-02-14 | The Pullman Company | Bushing snubber bracket |
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US2367817A (en) * | 1939-09-13 | 1945-01-23 | Firestone Tire & Rubber Co | Vehicle suspension |
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US4007924A (en) * | 1975-06-27 | 1977-02-15 | Raoul Jorn | Elastic support mount |
US4235482A (en) * | 1978-07-28 | 1980-11-25 | Fmc Corporation | High capacity rubber bushing |
US5031545A (en) * | 1989-01-24 | 1991-07-16 | Caoutchouc Manufacture Et Plastiques, S.A. | Resilient swivel joint for railway car suspensions |
US5080332A (en) * | 1988-11-25 | 1992-01-14 | Kinugawa Rubber Industrial Co., Ltd. | Structure of vibration-proof rubber bushing |
US5178375A (en) * | 1990-12-08 | 1993-01-12 | Firma Carl Freudenberg | Rubber bushing that suppresses vibrations hydraulically |
US5190269A (en) * | 1990-08-09 | 1993-03-02 | Tokai Rubber Industries, Ltd. | Rubber bushing |
US5275429A (en) * | 1992-04-16 | 1994-01-04 | Donald Bunker | Control arm assembly |
US5472226A (en) * | 1994-03-09 | 1995-12-05 | Bunker; Donald D. | Walking beam bushing |
US6585223B1 (en) * | 1999-09-14 | 2003-07-01 | Meritor Heavy Vehicle Suspensions, Inc. | Variable compliance bushing |
-
2005
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US3123901A (en) * | 1964-03-10 | Rubber bushing remover and replacer | ||
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US1780724A (en) * | 1926-10-20 | 1930-11-04 | Gen Motors Res Corp | Rubber engine support |
US2367817A (en) * | 1939-09-13 | 1945-01-23 | Firestone Tire & Rubber Co | Vehicle suspension |
US2533186A (en) * | 1948-08-30 | 1950-12-05 | Wingfoot Corp | Rubber bushing for link mounted brakes |
US2771312A (en) * | 1952-08-16 | 1956-11-20 | Leon F Thiry | Rubber bushing |
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US2820088A (en) * | 1955-08-25 | 1958-01-14 | Sperry Rubber And Plastics Com | Rubber bushing |
US3199186A (en) * | 1962-07-19 | 1965-08-10 | Monarch Rubber Company | Method of making rubber bushings |
US3243240A (en) * | 1963-01-28 | 1966-03-29 | Clevite Harris Products Inc | Reinforced rubber bushing |
US4007924A (en) * | 1975-06-27 | 1977-02-15 | Raoul Jorn | Elastic support mount |
US4235482A (en) * | 1978-07-28 | 1980-11-25 | Fmc Corporation | High capacity rubber bushing |
US5080332A (en) * | 1988-11-25 | 1992-01-14 | Kinugawa Rubber Industrial Co., Ltd. | Structure of vibration-proof rubber bushing |
US5031545A (en) * | 1989-01-24 | 1991-07-16 | Caoutchouc Manufacture Et Plastiques, S.A. | Resilient swivel joint for railway car suspensions |
US5190269A (en) * | 1990-08-09 | 1993-03-02 | Tokai Rubber Industries, Ltd. | Rubber bushing |
US5178375A (en) * | 1990-12-08 | 1993-01-12 | Firma Carl Freudenberg | Rubber bushing that suppresses vibrations hydraulically |
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US5472226A (en) * | 1994-03-09 | 1995-12-05 | Bunker; Donald D. | Walking beam bushing |
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Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2008296234B2 (en) * | 2007-09-04 | 2014-06-19 | Hendrickson International Corporation | Lightweight heavy duty bushing with easy assembly |
WO2009032906A1 (en) | 2007-09-04 | 2009-03-12 | Hendrickson International Corporation | Lightweight heavy duty bushing with easy assembly |
EP2193011A1 (en) * | 2007-09-04 | 2010-06-09 | Hendrickson International Corporation | Lightweight heavy duty bushing with easy assembly |
US20110127746A1 (en) * | 2007-09-04 | 2011-06-02 | Richard Gregory Vogler | Lightweight heavy duty bushing with easy assembly |
US20090060640A1 (en) * | 2007-09-04 | 2009-03-05 | Richard Gregory Vogler | Lightweight heavy duty bushing with easy assembly |
EP2193011A4 (en) * | 2007-09-04 | 2014-07-02 | Hendrickson Usa Llc | Lightweight heavy duty bushing with easy assembly |
US8192106B2 (en) | 2007-09-04 | 2012-06-05 | Hendrickson Usa, Llc. | Lightweight heavy duty bushing with easy assembly |
US20110222803A1 (en) * | 2010-03-12 | 2011-09-15 | Hendrickson Usa, L.L.C. | Rotatable Bar Pin Bushing Assembly |
US8579510B2 (en) * | 2010-03-12 | 2013-11-12 | Hendrickson Usa, L.L.C. | Rotatable bar pin bushing assembly |
US20120049422A1 (en) * | 2010-08-31 | 2012-03-01 | General Electric Company | Slotted spring vibration isolator |
US8668188B2 (en) * | 2010-08-31 | 2014-03-11 | General Electric Company | Slotted spring vibration isolator |
CN102384198A (en) * | 2010-08-31 | 2012-03-21 | 通用电气公司 | Slotted spring vibration isolator |
EP2423534A3 (en) * | 2010-08-31 | 2017-10-11 | General Electric Company | Slotted spring vibration isolator |
US20150035246A1 (en) * | 2013-08-01 | 2015-02-05 | Hendrickson Usa, L.L.C. | Cross Arm Bushing Assembly Useful For Vehicle Suspension |
US8973909B2 (en) * | 2013-08-01 | 2015-03-10 | Hendrickson Usa, L.L.C. | Cross arm bushing assembly useful for vehicle suspension |
CN104963979A (en) * | 2015-06-30 | 2015-10-07 | 福建省博强机械发展有限公司 | Torsion rubber core |
US20180272819A1 (en) * | 2016-03-17 | 2018-09-27 | Saf-Holland, Inc. | Powered vehicle suspension assembly |
US10632807B2 (en) * | 2016-03-17 | 2020-04-28 | Saf-Holland, Inc. | Powered vehicle suspension assembly |
US11685209B2 (en) * | 2018-12-26 | 2023-06-27 | Hyundai Motor Company | Composite material bush |
CN113530940A (en) * | 2020-04-13 | 2021-10-22 | 普尔曼公司 | Bush with split bolt |
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