[특허]Tire uniformity testing system having a testing station for changing rim sets

Micro-Poise Measurement Systems, LLC

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Tire uniformity testing system having a testing station for changing rim sets

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01M-017/02 B60C-023/00 B60C-023/02 B60C-025/00
출원번호	US-0885850 (2011-11-22)
등록번호	US-9261434 (2016-02-16)
국제출원번호	PCT/US2011/061852 (2011-11-22)
§371/§102 date	20130516 (20130516)
국제공개번호	WO2012/071416 (2012-05-31)
발명자 / 주소	Wollbrinck, James Matuszny, Richard R. Cargould, Barry Williams, Peter
출원인 / 주소	Micro-Poise Measurement Systems, LLC
대리인 / 주소	Tarolli, Sundheim, Covell & Tummino LLP
인용정보	피인용 횟수 : 1 인용 특허 : 14

초록
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An apparatus for changing rim sets at a testing station of a tire uniformity testing system that includes a storage unit for storing a plurality of rim set assemblies. A transfer arm is reciprocally movable and includes a gripper mechanism for gripping a rim set assembly and moving it from a storage position to a position at which rims forming part of the rim set assembly are aligned with opposed spindles at the testing station. The rim set assembly includes a bracket having structure engageable by the transfer arm and at least one of the rims forming part of the assembly includes a locking member rotatable between a first position and a second position. The bracket includes a structure for immobilizing the rim to inhibit relative rotation between the rim and the bracket and further includes a lever mechanism for moving the locking member from its first position to its second position in order to engage retaining members forming part of the bracket. The lever mechanism moves the locking member from its second position to its first position when the rim is aligned with an associated spindle in order to engage other retaining members forming part of the spindle. The rim is released from the bracket as the locking member moves to engage the other retaining members. After release, the bracket moves to a remote position spaced from the testing station. To remove the rim sets, the steps for attaching rims to the spindles are reversed in order to release the rims from the spindles while simultaneously engaging the bracket. The resulting rim set assembly is moved to a remote position defined by a storage unit that stores a plurality of rim set assemblies. The disclosed locking member and associated rim can be used to facilitate the manual installation of a test rim to a spindle.

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1. For a tire uniformity testing system, an apparatus for changing rim sets at a testing station, comprising: a) a storage unit for storing at least one rim set assembly; a transfer arm including a gripper mechanism for gripping said rim set assembly; andan actuator for moving said rim set assembly from a remote position to a position at which a pair of rims forming part of said rim set assembly are aligned with opposed spindles at said testing station;b) said rim set assembly, comprising: i) a bracket including structure engageable by said transfer arm gripper mechanism;ii) at least one of said pair of rims including a locking member rotatably movable between a first position and a second position;iii) said bracket including structure for immobilizing said rim to inhibit relative rotation between said rim and said bracket;iv) said locking member movable from said first position to said second position in order to engage retaining members forming part of said bracket;c) other retaining members forming part of at least one of said spindles, said other retaining members operatively engageable by said locking member of said rim when said member is moved from said second position to said first position at which said locking member is coupled to said spindle while simultaneously being released by said bracket in order to secure said rim to said spindle. 2. The apparatus of claim 1 further comprising another locking member associated with the other rim and said bracket includes additional structure for immobilizing said other rim to inhibit relative rotation between said other rim and said bracket when said bracket is placed in abutting engagement with said other rim. 3. The apparatus of claim 1 wherein said remote position is defined by a storage unit. 4. The apparatus of claim 3 wherein said storage unit is configured to store a plurality of rim set assemblies and wherein said transfer arm is mounted for reciprocating vertical movement on said storage unit. 5. The apparatus of claim 4 wherein said storage unit includes four shelves for storing four rim set assemblies. 6. The apparatus of claim 1 wherein said structure for immobilizing said rim comprises at least one stationary pin engageable with an associated opening in said rim when said rim is held by said bracket. 7. The apparatus of claim 1 wherein said locking member is moved from its first to its second position and from its second to its first position by a pivotally mounted lever arm operatively coupled to said locking member such that pivot motion in said lever arm produces rotation in said locking member. 8. The apparatus of claim 7 wherein movement in said lever arm is effected by an actuator forming part of said transfer arm. 9. The apparatus of claim 7 wherein said lever arm is operatively coupled to said locking member by at least one actuating pin that engages an associated opening in said locking member when said locking member engages said bracket. 10. The apparatus of claim 1 wherein said retaining members include spring members for exerting a clamping force on said locking member. 11. For a rim changing apparatus in a tire unit forming a testing system, a rim set assembly, comprising: a) a bracket including structure engageable by a transfer arm, said transfer arm for moving said rim set assembly from a test station position and a remote position;b) at least one of said rims including a locking member movable between a first position and a second position;c) said bracket including structure for immobilizing said rim to inhibit relative rotation between said rim and said bracket and further including a mechanism for moving said locking member from said first position to said second position in order to engage retaining members forming part of said bracket, said locking member movable from said second position to said first position in order to release said rim from said retaining members. 12. The apparatus of claim 11 wherein said rims are coaxially aligned when held by said bracket. 13. The apparatus of claim 12 wherein said locking member comprises a pair of spaced apart rings, one of said rings engageable upon predetermined movement with a spindle forming part of said tire uniformity testing system, the other of said rings engageable upon predetermined movement with said bracket. 14. The apparatus of claim 11 wherein each one of said rims includes said locking member, each of said locking members movable between said first and said second positions. 15. The apparatus of claim 14 wherein said mechanism comprises a lever arm mounted for pivotal movement, having one end defining an axis of rotation coincident with the axes of rotation of said rims, said one end being in operative engagement with said locking members when said rims are held by said bracket and said other end, engageable by a lever arm actuator for producing pivotal motion in said locking member, whereby rotation is imparted to said locking members to move said locking members between said first and second positions. 16. The apparatus of claim 15 wherein said one end of said lever arm includes a hub having actuating pins engageable with associated openings in said locking members whereby pivoting movement in said lever arm produces rotation in said locking member. 17. The apparatus of claim 11 wherein said bracket includes a movement inhibiting member engageable with a spindle forming part of said tire uniformity testing system, whereby rotation of said spindle is inhibited. 18. A method for changing rims on a tire uniformity testing system, comprising the steps of: a) forming a rim set assembly by releasably mounting a pair of rims to a bracket;b) engaging said rim set assembly and moving it into a predetermined testing station position at which said rims are positioned in axial alignment with spindles forming part of a testing station of said tire uniformity testing system;c) moving at least one of said spindles in order to effect abutting contact between each of said rims and an associated spindle;d) operating a lock mechanism which releases at least one rim from said bracket while simultaneously engaging an associated spindle; ande) upon release of said rims from said bracket, moving said bracket to a position spaced from said testing station. 19. The method of claim 18 wherein said step of moving said rim set assembly to said predetermined position includes the step of engaging said rim assembly with a transfer arm which, upon engagement, translates said rim set assembly from a stowed position to said predetermined testing station position. 20. The method of claim 19 further comprising the step of moving said transfer arm into alignment with a second predetermined position on a storage unit for storing a plurality of rim set assemblies. 21. The method of claim 18 further comprising the steps of: a) removing said rims from said associated spindles by: i) moving said bracket into alignment with said rims;ii) moving at least one of said spindles in order to affect abutting engagement between said rims and said bracket;iii) operating said lock mechanism in order to rotate said locking members from a spindle engaged position to a spindle release position, said rotation simultaneously causing the engagement of said locking members with said bracket;iv) moving at least one of said spindles to a spaced position; andv) moving said bracket including attached rims to a position spaced from said testing station. 22. The method of claim 21 further comprising the step of moving said bracket with attached rims to a predetermined position on a storage shelf forming part of said tire uniformity testing system and releasing said bracket so that said bracket and attached rims are left in a predetermined location in said storage unit. 23. The apparatus of claim 18, wherein the pair of rims are releasably mounted to opposite sides of the bracket. 24. A method for attaching a rim to a spindle forming part of a tire uniformity testing system comprising the steps of: a) attaching a locking member to said rim, said locking member rotatable with respect to said rim and having an axis of rotation coincident with an axis of rotation for said rim when mounted to an associated spindle;b) moving said locking ring to a rim release position;c) providing said spindle with retaining members engageable by said locking member;d) positioning said rim in predetermined alignment with said spindle at which said retaining members enter slotted openings in said locking member; ande) rotating said locking member to a spindle engaging position at which said retaining members are engaged by said slotted openings whereby separation of said rim from said spindle is inhibited. 25. The method of claim 24 further comprising the step of manipulating said retaining members mounted to said spindle in order to increase the retaining force exerted by said retaining members on said locking member. 26. The method of claim 25 wherein said retaining members are threaded retainers and said manipulating step comprises rotating said retaining members in order to tighten said retaining members with respect to said locking member. 27. For a tire uniformity testing system, an apparatus for changing rim sets at a testing station, comprising: a) a storage unit for storing a plurality of rim set assemblies;b) a transfer arm mounted for reciprocating vertical movement on said storage unit;c) said transfer arm including a gripper mechanism for gripping said rim set assembly and including a actuator for pivoting said rim set assembly from a storage position to a position at which rims forming part of said rim set assembly are aligned with opposed spindles at said testing station;d) said rim assembly, comprising: i) a bracket including structure engageable by said transfer arm gripper mechanism;ii) at least one of said rims including a locking member rotatably movable between a first position and a second position;iii) said bracket including structure for immobilizing said rim to inhibit relative rotation between said rim and said bracket and further including means for moving said locking member from said first position and said second position in order to engage retaining members forming part of said bracket;e) retaining studs forming part of at least one of said spindles, said retaining studs operatively engageable by said locking member of said rim when said member is moved from said second position to said first position at which said locking member is coupled to said spindle while simultaneously being released by said bracket in order to secure said rim to said spindle. 28. The apparatus of claim 27, wherein the actuator is a rotary actuator.

이 특허에 인용된 특허 (14)

이 특허를 인용한 특허 피인용횟수: 1

Braghiroli, Francesco; Gucciardino, Lillo; Sotgiu, Paolo; Tralli, Marco. Device for lifting at least one vehicle wheel or tyre, with detector of the state of wear of the latter. USP20190110175146.

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Tire uniformity testing system having a testing station for changing rim sets

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Tire uniformity testing system having a testing station for changing rim sets

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