CA1093799A - Camber adjusting tool - Google Patents
Camber adjusting toolInfo
- Publication number
- CA1093799A CA1093799A CA307,983A CA307983A CA1093799A CA 1093799 A CA1093799 A CA 1093799A CA 307983 A CA307983 A CA 307983A CA 1093799 A CA1093799 A CA 1093799A
- Authority
- CA
- Canada
- Prior art keywords
- wheel
- tool
- camber
- suspension system
- base
- 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
Links
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
CAMBER ADJUSTING TOOL
Abstract The tool disclosed includes a base for attach-ment to the wheel suspension system. Upright arms project from the tool base and carry an abutment assembly which is adjustable to support the end of different types of power cylinders in various oper-ative relationships to the suspension system and which cylinders impart corrective bending forces to the suspension system.
Abstract The tool disclosed includes a base for attach-ment to the wheel suspension system. Upright arms project from the tool base and carry an abutment assembly which is adjustable to support the end of different types of power cylinders in various oper-ative relationships to the suspension system and which cylinders impart corrective bending forces to the suspension system.
Description
'7~
Speci~lcation The present invention relat~ generally to automotive tools and specifically ~o a tool fox attachment to an auto wheel assembly for purposes of ca~ber adjustment.
~ Cnown to the art are var.ious types of tools attachable ~o in~pendentl~T suspended wheels of an 2u-to to i~pa? t corrective fGrCes to a member or members of the wheel suspension system to restore 10 desi~ed wheel camber~ Some of such tools impart corrective bending forces to a suspen~ion member or member~ by means o~ a powered ram or cylinder.
A p~oblem exists .in correcting camlber on au~os ; u tilizing a McPherson stru~ suspenslon member a~
found on the majority of foreign made autos. The above mentioned strllt is wiflely used by both European and uapan~se auto manufacturexs and serves to provide, in one comp~nen-t~ both ~uspension and mo~iQn ~ampen-ing ~unc tions. The lower erld of the above mentionecl strut i5 somewhat suscep~ibl~ however to bencin$~ upon ~o.rceful impact o* the auto wheel wit.ll an obs~xuct.ion, w~ich bendin~ results in incorrect wheel camber~ In many instance~, frame dama~e i3 al~o incurred, con-txibutlng ~o incorr~ct camker. While va.rious camber adjusting tools ha~e been proposed, none are known to be speci*ically directed toward camber ad~ustment of a McPher~on suspension equipped auto nor can exist- -ing tool~ be xeadily modi~i~d for such us~
The presen~ in~ention is embodîed in a tool ~or attachment to the whe~l plate o~ a ~cPh~r~on s~ru-t suspension e~uipped auto to enable the impar~ing ~f ,~
corrective bending forces ~o the s-trut lower end~
The tool includes a ~ase for a~*achment to the wheel plate~ which base i~ apertured to xece.ive the khreaded wheel lu~s or studs and also the pro~ecting .spindle hub. The lug xeceiving apertures in ~he base are sli~htly ovexsi~e to receive ~he most common lug pattern~ to xender the tool u.sable on a wide ran~e o*
au~os. A base ex~ension ex~ends upwardly and outwar~ly from the base and carr.ies an abutment a~sem~ly against whic~ a powered component may be abutt.ed for the application o~ bending forces ~o the whee~ plate and associate~ ~usp~nsion components. ~he powered com-ponent may utiliæe a ~txut mid poxtion as a support po~nt when wheel cal~ber is to be incxeased while a chai~ component p~rmits opposite pl~cement of the power~d component relatiYe to the tool ~ase to enable camber co~rection~ reducin~ wheel camber. The abut~
ment assembly include~ an adjustable fitting adjus~
able about a hori~ontal axis to be~t accommodate the type o~ powered component us~d and its relationship to the ~trut mid portion. Such powered components m~y be hydxauli~ or pneu~atic cylinders or a mechan-ical instrumentalit~ such as a jack.
The present invention is em~odi~d within a tQol or adjusting the camber of an ~utomobile wheel o~
an automobile having a McPherson strut type suspen sion, the tool comprisin~ a ba~e for at~achmellt to the wheel carryin~ member of the automobile suspen ~ ~ion sys-~em, saifl base defining an opening within ~ 30- - which the ~pindle housing of th~ suspen~ion s~vste~
ma~ be received ~nd which enables the temporary ~.
attachment of a cambex sight gat.lge to the spi~dl~a housincJy said base includincJ upward.l.y and outwardly inclinecl arllls; ~n abutm0nt assemhl~ carrled at the uppex clistal ends of said arms and includill~ a f-i.t-~ting haviEIg an abutment surface thereon, fastener me~Ils e~tending intermediate said arms and mountin~
said i.ittin~ thexebetween and permitting rotation~l positioning and locking of sai~ ~ltting and the cibut- -men~ sllr~aca thereon about a hori~ontal a~ris to loc~te lG said surface normal to the inclined axis of a portable hydraulic cylinder locatable interEnediate said abut-men~ asse~bl~ and the upper end of ~he strut ~ssoci~
ated with the wheel regardless of vaxiances in len~th such struts utili~ed on different makes and models of ~utomobiles and resulting cylinder inclination chang~
ing thereh2tweeEl to en~ble remedial bending o~ the strut fcr camber adjustmen~
In the accompany.ing drawing.
Fi~ure 1 i9 a ~ront eleva~iona:l v.iew of a 20 McPherYoll st.rut suspension system with tlle present ~ool in place Figure 2 i s a side ele~ational view of the .right hand side ~f Figure l; and Fiçlure 3 is a sec tional Yi0W taken alon~ line 3-3 o~ Figure 2 and sho~:incJ in }~roken lines optional placement oE the power sour e or reducing wheel camber.
Re:~erens:~e numeral 1 of the drawing inc1icates generally z, su~p~nsion ~ystem for an au ts~motive ~Jheel assembly consis ~:ing of a ti~e and wheel which axe 30 normally carried by a wheel moutltin~ member or plate 2 by means o:~ lu~ s tud~; 3. Other con~Jerltional .
7~
suspension system components include a disc ~ralce unit 4t disc brake rotor 5, lower arm 5, ball joint 7 kIcPherson s~ut ~ F and knuckl~ 9 which carries th~
spindle hub H. The lower se~ment of said strllt at X is susceptible to b~nd:ing orces imparted there-to from impac~ oE ~he wheel ~ssembly against a road ob~s~ruc-tion~ In most instances, da~age is sli~ht permitting corxection by the applicat.ion o~ bendiny ~orce~ applied with the present tool~ Corrections up to one and one-hal-f de~rees o camber may be made without strut impairment~
With attention now to the presen~ inventionO the ~ool includes a base at 12 which may be oE c~nnel cons~ruction for purposes of strerlgth. The base web 13 is apertured at 13A to recelve spindle hub I-I of the wheel suspension system and permit the moun~ing oE
a conventional sight ~au~e G theraon. Spaced about aperture l3A is a series of lug receiving openin~s as at 14 each somewhat oversi~e or lax~er than the diam~
eter of the lug stud to permi.-~, the xecep-tiorl of the lu~ studs of d.iferent autos. As the SptlCing and size o~ lu~ studs is ve.ry ~imilar in the majoxity of autos m~nufactured outside of the United States the over~ize apertures l~ accept mo~t all lug stud arrang~ment~ ~o enable a single tool to be u~ed on all but a small pQr~iOn of orelgn made autOS. S.pacers at .5 provide desix~ clearance of base 12 ~Crom wheel mountlng member 2~
; Exterding upwa.rdl~ from base l~ is a ~ase ex~ension 16 which is shown a~ comprising a pair of inclined a~ms secured at the r lower ends to ba~ l2 with a cJussek provided at 17. The ar~s 16 carry at their outer ends an abutmentt assembly generally at 18, which p~ovides an adjus-~able. abukment for the power source selectecl. Said a~utmen'c assembly includes lockincJ means 19 t ~hOWIl as a threacled fastenerJ which enables s.licJIlt inwarcl displaoement o~ the arm encls at 16A to close frict1onally agains'c the opposite encl.s O-f a ~ittincJ 20 ko prevenk rotac~.on o~ same~ In place on said fik~ing is an a~utmenk 21 configul-etl for abutting con-tact ~i th the power source selectedO Said fitking may inclu~e a stud (not ~hown~ ~or engaC~emellt with that type of portable hydraulic cylind~r having a corresponding socket in khe cylincler base. An abutting sur-~ace i5 indica-ted at 21A which may ~e operatively adjusted by loosening lockin~ means 19~ The outer or rod end o~ ~he power source, shown as a hydraulic cylinder 22 is provided with a resilient pad 24 and abuts the McPhexsQn stru~ at the inter~ec~ion of the strut tuhular portion and a conical spring cJuide 7.3 of the 20 stru~, T'ne cylinder disposition in Fi~u:res 1 and 2 is for increasing wheel camber ~hile in Fi~ure 3 the po~er souxce 22 has been reorien tate~ on the tool to .im~a.rt bendiny forces decreasing wheel camber. In -the latter arrangement the power ~ource is coupled by means of a chain loop 25 wrapped about the strut inters~c~ion with chain runs passing above and below ~itting 20 and there-past tQ enga~e '~he ~od end of cyl.inder T,/hile ~h~
oppo~ite or bass ~nd of cylinder 2~ reacts against rep~sit~ oned abu~ment ~ haped. ~ittiIl~ 26 may be utiliæed to assure chain~rocl engagement~
3'i~3~
~ i th ~he tt)ol in place, to adju~t camber the operator notes the cam~er .readincJ on the hub attached gaucJe and actuates the powe.r source v:La suitable val~re oorltrols (not shown~ un~il the desired reading i5 indicatedO In use the base o:E the tool is suppor ted so as to permi t a portion o~ the au to ' ~; wei~ht approtc-imatel~ ~ive pe.rcent to be supported b~ tlle baseO
Details of carn:ber ad justmen t are believed to bç~ appar -ent to or~e skilled in the art ancl ac~ordin~ly are 10 super-fluous ~or present purpo~es~
Speci~lcation The present invention relat~ generally to automotive tools and specifically ~o a tool fox attachment to an auto wheel assembly for purposes of ca~ber adjustment.
~ Cnown to the art are var.ious types of tools attachable ~o in~pendentl~T suspended wheels of an 2u-to to i~pa? t corrective fGrCes to a member or members of the wheel suspension system to restore 10 desi~ed wheel camber~ Some of such tools impart corrective bending forces to a suspen~ion member or member~ by means o~ a powered ram or cylinder.
A p~oblem exists .in correcting camlber on au~os ; u tilizing a McPherson stru~ suspenslon member a~
found on the majority of foreign made autos. The above mentioned strllt is wiflely used by both European and uapan~se auto manufacturexs and serves to provide, in one comp~nen-t~ both ~uspension and mo~iQn ~ampen-ing ~unc tions. The lower erld of the above mentionecl strut i5 somewhat suscep~ibl~ however to bencin$~ upon ~o.rceful impact o* the auto wheel wit.ll an obs~xuct.ion, w~ich bendin~ results in incorrect wheel camber~ In many instance~, frame dama~e i3 al~o incurred, con-txibutlng ~o incorr~ct camker. While va.rious camber adjusting tools ha~e been proposed, none are known to be speci*ically directed toward camber ad~ustment of a McPher~on suspension equipped auto nor can exist- -ing tool~ be xeadily modi~i~d for such us~
The presen~ in~ention is embodîed in a tool ~or attachment to the whe~l plate o~ a ~cPh~r~on s~ru-t suspension e~uipped auto to enable the impar~ing ~f ,~
corrective bending forces ~o the s-trut lower end~
The tool includes a ~ase for a~*achment to the wheel plate~ which base i~ apertured to xece.ive the khreaded wheel lu~s or studs and also the pro~ecting .spindle hub. The lug xeceiving apertures in ~he base are sli~htly ovexsi~e to receive ~he most common lug pattern~ to xender the tool u.sable on a wide ran~e o*
au~os. A base ex~ension ex~ends upwardly and outwar~ly from the base and carr.ies an abutment a~sem~ly against whic~ a powered component may be abutt.ed for the application o~ bending forces ~o the whee~ plate and associate~ ~usp~nsion components. ~he powered com-ponent may utiliæe a ~txut mid poxtion as a support po~nt when wheel cal~ber is to be incxeased while a chai~ component p~rmits opposite pl~cement of the power~d component relatiYe to the tool ~ase to enable camber co~rection~ reducin~ wheel camber. The abut~
ment assembly include~ an adjustable fitting adjus~
able about a hori~ontal axis to be~t accommodate the type o~ powered component us~d and its relationship to the ~trut mid portion. Such powered components m~y be hydxauli~ or pneu~atic cylinders or a mechan-ical instrumentalit~ such as a jack.
The present invention is em~odi~d within a tQol or adjusting the camber of an ~utomobile wheel o~
an automobile having a McPherson strut type suspen sion, the tool comprisin~ a ba~e for at~achmellt to the wheel carryin~ member of the automobile suspen ~ ~ion sys-~em, saifl base defining an opening within ~ 30- - which the ~pindle housing of th~ suspen~ion s~vste~
ma~ be received ~nd which enables the temporary ~.
attachment of a cambex sight gat.lge to the spi~dl~a housincJy said base includincJ upward.l.y and outwardly inclinecl arllls; ~n abutm0nt assemhl~ carrled at the uppex clistal ends of said arms and includill~ a f-i.t-~ting haviEIg an abutment surface thereon, fastener me~Ils e~tending intermediate said arms and mountin~
said i.ittin~ thexebetween and permitting rotation~l positioning and locking of sai~ ~ltting and the cibut- -men~ sllr~aca thereon about a hori~ontal a~ris to loc~te lG said surface normal to the inclined axis of a portable hydraulic cylinder locatable interEnediate said abut-men~ asse~bl~ and the upper end of ~he strut ~ssoci~
ated with the wheel regardless of vaxiances in len~th such struts utili~ed on different makes and models of ~utomobiles and resulting cylinder inclination chang~
ing thereh2tweeEl to en~ble remedial bending o~ the strut fcr camber adjustmen~
In the accompany.ing drawing.
Fi~ure 1 i9 a ~ront eleva~iona:l v.iew of a 20 McPherYoll st.rut suspension system with tlle present ~ool in place Figure 2 i s a side ele~ational view of the .right hand side ~f Figure l; and Fiçlure 3 is a sec tional Yi0W taken alon~ line 3-3 o~ Figure 2 and sho~:incJ in }~roken lines optional placement oE the power sour e or reducing wheel camber.
Re:~erens:~e numeral 1 of the drawing inc1icates generally z, su~p~nsion ~ystem for an au ts~motive ~Jheel assembly consis ~:ing of a ti~e and wheel which axe 30 normally carried by a wheel moutltin~ member or plate 2 by means o:~ lu~ s tud~; 3. Other con~Jerltional .
7~
suspension system components include a disc ~ralce unit 4t disc brake rotor 5, lower arm 5, ball joint 7 kIcPherson s~ut ~ F and knuckl~ 9 which carries th~
spindle hub H. The lower se~ment of said strllt at X is susceptible to b~nd:ing orces imparted there-to from impac~ oE ~he wheel ~ssembly against a road ob~s~ruc-tion~ In most instances, da~age is sli~ht permitting corxection by the applicat.ion o~ bendiny ~orce~ applied with the present tool~ Corrections up to one and one-hal-f de~rees o camber may be made without strut impairment~
With attention now to the presen~ inventionO the ~ool includes a base at 12 which may be oE c~nnel cons~ruction for purposes of strerlgth. The base web 13 is apertured at 13A to recelve spindle hub I-I of the wheel suspension system and permit the moun~ing oE
a conventional sight ~au~e G theraon. Spaced about aperture l3A is a series of lug receiving openin~s as at 14 each somewhat oversi~e or lax~er than the diam~
eter of the lug stud to permi.-~, the xecep-tiorl of the lu~ studs of d.iferent autos. As the SptlCing and size o~ lu~ studs is ve.ry ~imilar in the majoxity of autos m~nufactured outside of the United States the over~ize apertures l~ accept mo~t all lug stud arrang~ment~ ~o enable a single tool to be u~ed on all but a small pQr~iOn of orelgn made autOS. S.pacers at .5 provide desix~ clearance of base 12 ~Crom wheel mountlng member 2~
; Exterding upwa.rdl~ from base l~ is a ~ase ex~ension 16 which is shown a~ comprising a pair of inclined a~ms secured at the r lower ends to ba~ l2 with a cJussek provided at 17. The ar~s 16 carry at their outer ends an abutmentt assembly generally at 18, which p~ovides an adjus-~able. abukment for the power source selectecl. Said a~utmen'c assembly includes lockincJ means 19 t ~hOWIl as a threacled fastenerJ which enables s.licJIlt inwarcl displaoement o~ the arm encls at 16A to close frict1onally agains'c the opposite encl.s O-f a ~ittincJ 20 ko prevenk rotac~.on o~ same~ In place on said fik~ing is an a~utmenk 21 configul-etl for abutting con-tact ~i th the power source selectedO Said fitking may inclu~e a stud (not ~hown~ ~or engaC~emellt with that type of portable hydraulic cylind~r having a corresponding socket in khe cylincler base. An abutting sur-~ace i5 indica-ted at 21A which may ~e operatively adjusted by loosening lockin~ means 19~ The outer or rod end o~ ~he power source, shown as a hydraulic cylinder 22 is provided with a resilient pad 24 and abuts the McPhexsQn stru~ at the inter~ec~ion of the strut tuhular portion and a conical spring cJuide 7.3 of the 20 stru~, T'ne cylinder disposition in Fi~u:res 1 and 2 is for increasing wheel camber ~hile in Fi~ure 3 the po~er souxce 22 has been reorien tate~ on the tool to .im~a.rt bendiny forces decreasing wheel camber. In -the latter arrangement the power ~ource is coupled by means of a chain loop 25 wrapped about the strut inters~c~ion with chain runs passing above and below ~itting 20 and there-past tQ enga~e '~he ~od end of cyl.inder T,/hile ~h~
oppo~ite or bass ~nd of cylinder 2~ reacts against rep~sit~ oned abu~ment ~ haped. ~ittiIl~ 26 may be utiliæed to assure chain~rocl engagement~
3'i~3~
~ i th ~he tt)ol in place, to adju~t camber the operator notes the cam~er .readincJ on the hub attached gaucJe and actuates the powe.r source v:La suitable val~re oorltrols (not shown~ un~il the desired reading i5 indicatedO In use the base o:E the tool is suppor ted so as to permi t a portion o~ the au to ' ~; wei~ht approtc-imatel~ ~ive pe.rcent to be supported b~ tlle baseO
Details of carn:ber ad justmen t are believed to bç~ appar -ent to or~e skilled in the art ancl ac~ordin~ly are 10 super-fluous ~or present purpo~es~
Claims
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
A tool for adjusting the camber of an automobile wheel of an automobile having a strut type wheel suspension system, said tool comprising, a base for attachment to the wheel carring member of the automobile suspension system, said base defining an opening within which the spindle hub of the suspension system may be received and which enables the temporary attachment of a camber sight sauge to the spindle hub, said base including upwardly and outwardly inclined arms, an abutment assembly carried at the upper distal ends of said arms and including a fitting having an abutment surface thereon, fastener means extending intermediate said arms and mounting said fitting there-between and permitting rotational positioning and locking of said fitting and the abutment surface thereon about a horizontal axis to locate said surface normal to the inclined axis of a portable hydraulic cylinder locatable intermediate said abutment assembly and the upper end of the strut associated with the wheel regardless of variances in length of such struts utilized on different makes and models of automobiles and resulting cylinder inclination changing therebetween to enable remedial bending of the strut for camber adjust-ment.
The tool claimed in claim 1 wherein said fastener means acts on said arms to close same into frictional engagement with the fitting to lock the latter in a selected position.
A tool for adjusting the camber of an automobile wheel of an automobile having a strut type wheel suspension system, said tool comprising, a base for attachment to the wheel carring member of the automobile suspension system, said base defining an opening within which the spindle hub of the suspension system may be received and which enables the temporary attachment of a camber sight sauge to the spindle hub, said base including upwardly and outwardly inclined arms, an abutment assembly carried at the upper distal ends of said arms and including a fitting having an abutment surface thereon, fastener means extending intermediate said arms and mounting said fitting there-between and permitting rotational positioning and locking of said fitting and the abutment surface thereon about a horizontal axis to locate said surface normal to the inclined axis of a portable hydraulic cylinder locatable intermediate said abutment assembly and the upper end of the strut associated with the wheel regardless of variances in length of such struts utilized on different makes and models of automobiles and resulting cylinder inclination changing therebetween to enable remedial bending of the strut for camber adjust-ment.
The tool claimed in claim 1 wherein said fastener means acts on said arms to close same into frictional engagement with the fitting to lock the latter in a selected position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA307,983A CA1093799A (en) | 1978-07-24 | 1978-07-24 | Camber adjusting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA307,983A CA1093799A (en) | 1978-07-24 | 1978-07-24 | Camber adjusting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1093799A true CA1093799A (en) | 1981-01-20 |
Family
ID=4111964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA307,983A Expired CA1093799A (en) | 1978-07-24 | 1978-07-24 | Camber adjusting tool |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1093799A (en) |
-
1978
- 1978-07-24 CA CA307,983A patent/CA1093799A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |