US3801124A - Knuckle assembly - Google Patents

Knuckle assembly Download PDF

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Publication number
US3801124A
US3801124A US00297222A US3801124DA US3801124A US 3801124 A US3801124 A US 3801124A US 00297222 A US00297222 A US 00297222A US 3801124D A US3801124D A US 3801124DA US 3801124 A US3801124 A US 3801124A
Authority
US
United States
Prior art keywords
knuckle
opening
spindle
casting
means defining
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 - Lifetime
Application number
US00297222A
Other languages
English (en)
Inventor
C Afanador
R Jones
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.)
Dayton Walther Corp
Original Assignee
Dayton Walther Corp
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 Dayton Walther Corp filed Critical Dayton Walther Corp
Application granted granted Critical
Publication of US3801124A publication Critical patent/US3801124A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for 
    • B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for  by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/18—Steering knuckles; King pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/20—Shaping
    • B60B2310/208—Shaping by forging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/20—Shaping
    • B60B2310/228—Shaping by machining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/20—Shaping
    • B60B2310/234—Shaping by grinding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/30—Manufacturing methods joining
    • B60B2310/316—Manufacturing methods joining by press-fitting, shrink-fitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/50—Thermal treatment
    • B60B2310/54—Hardening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/60—Surface treatment; After treatment
    • B60B2310/612—Polishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2360/00—Materials; Physical forms thereof
    • B60B2360/14—Physical forms of metallic parts
    • B60B2360/147—Castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/10—Reduction of
    • B60B2900/113—Production or maintenance time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/40—Indexing codes relating to the wheels in the suspensions
    • B60G2200/46—Indexing codes relating to the wheels in the suspensions camber angle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/40—Indexing codes relating to the wheels in the suspensions
    • B60G2200/462—Toe-in/out
    • B60G2200/4622—Alignment adjustment
    • 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
    • B60G2206/50—Constructional features of wheel supports or knuckles, e.g. steering knuckles, spindle attachments

Definitions

  • a somewhat simplified version of a knuckle assembly utilizes a casting in which the upper and lower knuckle are cast together and an opening is formed through this casting intermediate the upper and lower knuckles to receive a headed or flanged spindle. While an assembly of this type provides an appreciable simplification over a multi-components assembly, the spacing between the upper and lower knuckles must be sufficient to allow the spindle receiving opening to be formed therebetween. Otherwise, the spindle could not be installed in the casting.
  • the present invention provides a knuckle assembly which includes only two basic components.
  • a one piece casting is formed which includes the upper knuckle, brake rails, steering arm, grease seal boss, steering stop boss and dust shield mounting bosses.
  • a spindle opening is machined in the casting to receive the spindle of an integral forged spindle and lower knuckle.
  • the spindle is shrink fitted into the spindle opening machined in the base casting with an applied force to a flange portion of the spindle to insure spindle seating, and the lower knuckle is thereafter drilled and machined to provide a ball joint opening positioned in the desired relationship to the ball joint opening in the upper knuckle.
  • FIG. 1 is a side view of the assembly, partly in section;
  • FIG. 2 is an end view of the knuckle assembly of the present invention
  • FIG. 3 is a top view thereof
  • FIG. 4 is a view from the opposite end from that shown in FIG. 1;
  • FIG. 5 is a perspective view of an integral spindle and lower knuckle.
  • the assembly of the present invention includes two basic components. These are a base casting l2 and an integral spindle and lower knuckle 14.
  • the base casting is formed with an upper knuckle l6 projecting outwardly thereof and having a ball joint opening 18 formed therein.
  • a spindle opening 20 is machined through the casting such that the axis thereof is in angularly disposed, intersecting relationship to the axis of the opening 18.
  • a tapered opening 28 is also provided in the end of the steering arm 26.
  • the casting 12 also includes three dust shiled mounting bosses 30 projecting from the casting in a direction opposite to the upper knuckle l6 and a grease seal boss 32, extending from the same side of the casting as the bosses 30.
  • a tapped hole 34 is formed in the casting in spaced, substantially parallel relationship to the spindle opening 20 and is designed to receive a steering mount stop.
  • the integral spindle and lower knuckle 14 is constructed as a one piece forging that includes, as best seen in FIG. 5, a tempered and case hardened spindle 36 having the lower knuckle 38 formed integrally therewith adjacent one end thereof.
  • the spindle itself includes a shrink fit section 40, an inside bearing section 42, a concical connecting portion 44, an outside bearing section 46, and a threaded portion 48 having a cotter pin hole 50 drilled therethrough.
  • the lower knuckle 38 is provided with a ball joint opening 52 which tapers inwardly upwardly, as best seen in FIGS. 2 and 5 of the drawings.
  • the base casting including the upper knuckle, brake rails, steering arm, dust shield mounting bosses, steering stop mounting boss, and grease seal section are formed by casting of a material such as ductile iron of grade SAE 4512.
  • the brake rails 22 and 24 and inner brake shoe locating slots 54 and 56 are then machine or broached to their final configuration and dust shield mounting holes are drilled in the bosses 30.
  • the opening 28 is then drilled in the steering arm, after which the steering stop mounting hole 34 and upper knuckle ball joint hole 18 are drilled.
  • the spindle hole 20 is next machined, completing the base casting.
  • the integral spindle and lower knuckle 14 is formed by hot forging and the end 48 of the spindle is then threaded and drilled to form the cotter pin hole 50.
  • the spindle is then subjected to tempering and hardening to Rockwell C45 50 surface hardness. Next all sections are subjected to grinding and polishing to final diameter and tapers.
  • the area adjacent the spindle opening 20 of the casting 12 is induction heated, the spindle inserted thereinto and the assembly quenched to provide a shrink fitting of the forging 14 in the casting 12.
  • the assembled knuckle is then turned on centers 58 and 60 to bumish grease seal boss 32.
  • the lower knuckle 38 is, of course, positioned relative to upper knuckle 16 before the assembly is quenched. However, any misalignment, within limits, may be compensated for in subsequent machining of the lower knuckle 38 and the drilling of the lower ball joint hole 52 to position it properly with respect to the upper ball joint opening 18 so that the two openings are positioned in opposing relationship to each other.
  • the present invention provides a knuckle assembly and method of manufacturing it which is greatly simplified with respect to multi-component knuckle assemblies and which permit the positioning of the lower knuckle adjacent the point where the spindle projects from the assembly.
  • a knuckle assembly comprising:
  • an integral forging including a case hardened spindle and a lower knuckle formed integrally therewith,
  • g. means defining an opening in said lower knuckle.
  • the axes of the opening in said first knuckle and said spindle opening are angularly disposed in substantially intersecting relationship with each other.
  • said opening in said lower knuckle is disposed in opposing relationship to said opening in said upper knuckle.
  • a knuckle assembly comprising:
  • a. a one piece base casting including:
  • ii. means defining a ball joint opening through said upper knuckle
  • iii means defining a spindle opening through said casting having the axis thereof in angularly disposed, intersecting relationship with the axis of said ball joint opening in said upper knuckle,
  • v. means defining upper and lower brake rails
  • a one piece spindle and knuckle forging including:
  • iii means defining a lower ball joint opening through said lower knuckle
  • spindle being shrink fitted in said spindle opening with said ball joint openings in said upper and lower knuckles positioned in opposing relationship to each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Vehicle Body Suspensions (AREA)
US00297222A 1972-10-13 1972-10-13 Knuckle assembly Expired - Lifetime US3801124A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29722272A 1972-10-13 1972-10-13

Publications (1)

Publication Number Publication Date
US3801124A true US3801124A (en) 1974-04-02

Family

ID=23145383

Family Applications (1)

Application Number Title Priority Date Filing Date
US00297222A Expired - Lifetime US3801124A (en) 1972-10-13 1972-10-13 Knuckle assembly

Country Status (8)

Country Link
US (1) US3801124A (en, 2012)
JP (1) JPS4972827A (en, 2012)
AU (1) AU6051973A (en, 2012)
BR (1) BR7307922D0 (en, 2012)
CA (1) CA1010088A (en, 2012)
DE (1) DE2349731A1 (en, 2012)
FR (1) FR2203342A5 (en, 2012)
GB (1) GB1431689A (en, 2012)

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4635952A (en) * 1985-05-07 1987-01-13 V. W. Kaiser Engineering, Inc. Steering knuckle and kingpin assembly
US4690418A (en) * 1985-05-07 1987-09-01 V. W. Kaiser Engineering, Inc. Steering knuckle and kingpin assembly
US4951959A (en) * 1988-03-01 1990-08-28 Mazda Motor Corporation Suspension systems for vehicles
US5199730A (en) * 1991-08-14 1993-04-06 Westfall Rodney D Spindle assembly for extending the turning angle of a motor vehicle and reducing tire wear
EP0645298A3 (en, 2012) * 1990-12-17 1995-04-26 Volvo Ab
US5664847A (en) * 1994-08-10 1997-09-09 Dana Corporation Cast tube-yoke bracket assembly
US5785332A (en) * 1996-08-01 1998-07-28 Dana Corporation Motor vehicle steering knuckle assembly
US5816595A (en) * 1990-12-17 1998-10-06 Ab Volvo Wheel axle
US5868409A (en) * 1996-02-19 1999-02-09 Carl Dan. Peddinghaus Gmbh & Co. Kg Aluminum axle journal or wheel mount with an inserted steel pivot and a method for the production thereof
US6138357A (en) * 1997-12-08 2000-10-31 Ford Global Technologies, Inc. Method of making knuckle assembly
FR2816886A1 (fr) * 2000-11-21 2002-05-24 Valmex Procede de fabrication d'une fusee a plateau, et fusee a plateau susceptible d'etre obtenue par mise en oeuvre de ce procede
US6419250B1 (en) * 1998-05-28 2002-07-16 Dana Corporation One-piece forged steering knuckle assembly
WO2003080369A1 (fr) 2002-03-27 2003-10-02 Valmex Fusee a plateau, plateau pour celle-ci et procede de fabrication
US20040086334A1 (en) * 2002-10-31 2004-05-06 Kamarata Dale E. Multi-layered laminated posts and blocks for guardrail systems and method of making the same
US20040108675A1 (en) * 2002-12-06 2004-06-10 Visteon Global Technologies, Inc. Lightweight knuckle with in-cast spindle
US6994405B2 (en) 2003-10-30 2006-02-07 Citation Corporation Axle assembly
USD605985S1 (en) * 2008-04-29 2009-12-15 Robert Bosch Gmbh Knuckle for a corner device
US20100038873A1 (en) * 2008-08-14 2010-02-18 Stoyan Stoychey Steering knuckle with spindle and method of making same
USD612304S1 (en) * 2008-05-27 2010-03-23 Georg Fischer Automotive Ag Pivot bearing
GB2469524A (en) * 2009-04-18 2010-10-20 Nsk Steering Sys Europ Ltd Interference connection for vehicle steering column
CN102052385A (zh) * 2009-11-10 2011-05-11 乔治·费希尔汽车铸件有限责任公司 带浇注钢芯的铸件-转向轴及制造转向轴的方法
USD686952S1 (en) * 2011-11-02 2013-07-30 Georg Fischer Automotive Ag Pivot bearing
US20140027994A1 (en) * 2012-07-30 2014-01-30 Arvinmeritor Technology, Llc Steering Knuckle Assembly with Snap Ring Spindle Retention and a Method of Manufacture
US20150102592A1 (en) * 2013-07-29 2015-04-16 Bayerische Motoren Werke Aktiengesellschaft Wheel of a Vehicle
CN104589092A (zh) * 2015-01-16 2015-05-06 芜湖三联锻造有限公司 一种轴类转向节中心钻孔自定心装置
CN105945518A (zh) * 2016-05-16 2016-09-21 湖北三环锻造有限公司 异形中心孔转向节加工工艺
CN107486692A (zh) * 2016-08-25 2017-12-19 宝沃汽车（中国）有限公司 张开机

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62115206U (en, 2012) * 1986-01-14 1987-07-22
FR2609442B1 (fr) * 1987-01-12 1990-12-21 Elf France Perfectionnements aux roues directrices de vehicules terrestres
JP2555639Y2 (ja) * 1989-09-26 1997-11-26 本田技研工業株式会社 車両用サスペンションアーム
DE102012200251B4 (de) * 2012-01-10 2022-03-17 Zf Friedrichshafen Ag Lenker mit Elastomerbauteil

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2623613A (en) * 1948-07-27 1952-12-30 Thompson Prod Inc Brake mounting for independent wheel suspension
US2652264A (en) * 1951-04-03 1953-09-15 Thompson Prod Inc Steering knuckle
US2771301A (en) * 1951-05-02 1956-11-20 Thompson Prod Inc Sectionalized steering knuckle
US3423104A (en) * 1966-04-21 1969-01-21 J M Beach Mfg Inc Vehicle wheel steering apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2623613A (en) * 1948-07-27 1952-12-30 Thompson Prod Inc Brake mounting for independent wheel suspension
US2652264A (en) * 1951-04-03 1953-09-15 Thompson Prod Inc Steering knuckle
US2771301A (en) * 1951-05-02 1956-11-20 Thompson Prod Inc Sectionalized steering knuckle
US3423104A (en) * 1966-04-21 1969-01-21 J M Beach Mfg Inc Vehicle wheel steering apparatus

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4690418A (en) * 1985-05-07 1987-09-01 V. W. Kaiser Engineering, Inc. Steering knuckle and kingpin assembly
US4635952A (en) * 1985-05-07 1987-01-13 V. W. Kaiser Engineering, Inc. Steering knuckle and kingpin assembly
US4951959A (en) * 1988-03-01 1990-08-28 Mazda Motor Corporation Suspension systems for vehicles
US5816595A (en) * 1990-12-17 1998-10-06 Ab Volvo Wheel axle
EP0645298A3 (en, 2012) * 1990-12-17 1995-04-26 Volvo Ab
US5199730A (en) * 1991-08-14 1993-04-06 Westfall Rodney D Spindle assembly for extending the turning angle of a motor vehicle and reducing tire wear
US5664847A (en) * 1994-08-10 1997-09-09 Dana Corporation Cast tube-yoke bracket assembly
US5868409A (en) * 1996-02-19 1999-02-09 Carl Dan. Peddinghaus Gmbh & Co. Kg Aluminum axle journal or wheel mount with an inserted steel pivot and a method for the production thereof
US5785332A (en) * 1996-08-01 1998-07-28 Dana Corporation Motor vehicle steering knuckle assembly
US6138357A (en) * 1997-12-08 2000-10-31 Ford Global Technologies, Inc. Method of making knuckle assembly
US6419250B1 (en) * 1998-05-28 2002-07-16 Dana Corporation One-piece forged steering knuckle assembly
FR2816886A1 (fr) * 2000-11-21 2002-05-24 Valmex Procede de fabrication d'une fusee a plateau, et fusee a plateau susceptible d'etre obtenue par mise en oeuvre de ce procede
EP1209007A1 (fr) * 2000-11-21 2002-05-29 Valmex Procédé de fabrication d'une fusée à plateau, et fusée à plateau susceptible d'être obtenue par mise en oeuvre de ce procédé
WO2003080369A1 (fr) 2002-03-27 2003-10-02 Valmex Fusee a plateau, plateau pour celle-ci et procede de fabrication
FR2837775A1 (fr) 2002-03-27 2003-10-03 Valmex Fusee a plateau, plateau pour celle-ci et procede de fabrication
US20040086334A1 (en) * 2002-10-31 2004-05-06 Kamarata Dale E. Multi-layered laminated posts and blocks for guardrail systems and method of making the same
US20040108675A1 (en) * 2002-12-06 2004-06-10 Visteon Global Technologies, Inc. Lightweight knuckle with in-cast spindle
US6916030B2 (en) * 2002-12-06 2005-07-12 Visteon Global Technologies, Inc. Lightweight knuckle with in-cast spindle
US6994405B2 (en) 2003-10-30 2006-02-07 Citation Corporation Axle assembly
USD605985S1 (en) * 2008-04-29 2009-12-15 Robert Bosch Gmbh Knuckle for a corner device
USD612304S1 (en) * 2008-05-27 2010-03-23 Georg Fischer Automotive Ag Pivot bearing
US20100038873A1 (en) * 2008-08-14 2010-02-18 Stoyan Stoychey Steering knuckle with spindle and method of making same
GB2469524A (en) * 2009-04-18 2010-10-20 Nsk Steering Sys Europ Ltd Interference connection for vehicle steering column
CN102052385A (zh) * 2009-11-10 2011-05-11 乔治·费希尔汽车铸件有限责任公司 带浇注钢芯的铸件-转向轴及制造转向轴的方法
US20110109151A1 (en) * 2009-11-10 2011-05-12 Karl Seidinger Cast axle stub with a cast-in steel core process for producing the axle stub
USD686952S1 (en) * 2011-11-02 2013-07-30 Georg Fischer Automotive Ag Pivot bearing
US20140027994A1 (en) * 2012-07-30 2014-01-30 Arvinmeritor Technology, Llc Steering Knuckle Assembly with Snap Ring Spindle Retention and a Method of Manufacture
US9096259B2 (en) * 2012-07-30 2015-08-04 Arvinmeritor Technology, Llc Steering knuckle assembly with snap ring spindle retention and a method of manufacture
US20150102592A1 (en) * 2013-07-29 2015-04-16 Bayerische Motoren Werke Aktiengesellschaft Wheel of a Vehicle
US9216766B2 (en) * 2013-07-29 2015-12-22 Bayerische Motoren Werke Aktiengesellschaft Wheel of a vehicle
CN104589092A (zh) * 2015-01-16 2015-05-06 芜湖三联锻造有限公司 一种轴类转向节中心钻孔自定心装置
CN104589092B (zh) * 2015-01-16 2017-02-22 芜湖三联锻造有限公司 一种轴类转向节中心钻孔自定心装置
CN105945518A (zh) * 2016-05-16 2016-09-21 湖北三环锻造有限公司 异形中心孔转向节加工工艺
CN107486692A (zh) * 2016-08-25 2017-12-19 宝沃汽车（中国）有限公司 张开机
CN107486692B (zh) * 2016-08-25 2019-09-20 宝沃汽车（中国）有限公司 张开机

Also Published As

Publication number Publication date
JPS4972827A (en, 2012) 1974-07-13
DE2349731A1 (de) 1974-04-18
FR2203342A5 (en, 2012) 1974-05-10
CA1010088A (en) 1977-05-10
GB1431689A (en) 1976-04-14
AU6051973A (en) 1975-03-20
BR7307922D0 (pt) 1974-07-11

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