Decorative simulated wheel cover retention system

Abstract

A decorative wheel cover apparatus is disclosed for relatively inexpensively simulating the appearance of a more expensive custom wheel. A wheel cover member, having a contoured body and circular inner and outer rims which accurately simulates the appearance of a custom wheel is removably secured to an ordinary automotive wheel by a unique retention system. The retention system includes a first portion disposed along the back of the wheel cover member, and a second portion preferably adhesively bonded to the wheel directly behind the first portion, with the first and second portions being suited for releasable engagement with one another. Preferably, the first and second portions of the retention system constitute mating rings, the first ring being secured to the outer rim of the wheel cover member and having a plurality of lugs extending therefrom, and the second ring having a plurality of receptacles or slots for receiving and releasably retaining the lugs. A method of installation is included.

I claim: 
     
       1. A retention system for removably securing a decorative wheel cover to an original equipment steel automotive wheel, the wheel cover having an annular rim portion and the automotive wheel having an annular wall portion with an annular bead lock area along the annular wall portion, said retention system comprising: second engaging means comprising a bondable member having a side portion adapted to be positioned and be permanently adhesively bonded at the bead lock area of the annular wall portion of said automotive wheel, said bondable member including means for releasable engagement with a retainer member;   first engaging means comprising a retainer member having an outside surface for securing a decorative wheel cover, the wheel cover being securable to said outside surface of the retainer member along said annular rim portion of the wheel cover, said retainer member including means for releasable engagement with the means for releasable engagement of said bondable member whereby the first and second engaging means may be interengaged;   wherein said wheel cover is secured to the wheel by adhesively bonding said bondable member at the annular bead lock area along the annular wall portion of said wheel and the retainer member being removably secured to the bondable member upon interengagement of said first and second engaging means.   
     
     
       2. The retention system of claim 1 wherein the bondable member is a yieldable rigid plastic member suitable for being permanently adhesively bonded at the annular wall of said wheel by means of a bead of flexible adhesive on said annular wall at said bead lock area in contact with the side portion of said bondable member. 
     
     
       3. The retention system of claim 2 wherein the side portion of the bondable member for contact with said flexible adhesive has one or more adhesive receiving depressions for enhancing a bond. 
     
     
       4. The retention system of claim 2 wherein the bondable member has a plurality of positioning means on said side portion for orienting said bondable member in operative position against the bead lock area of the annular wall of said wheel while being secured thereto by said adhesive, to position the bondable member for uniformity of rotation with the wheel. 
     
     
       5. The retention system of claim 4 further including said original equipment steel automotive wheel and a first bead of flexible adhesive disposed between the side portion of said bondable member and the bead lock area of the wheel for permanently adhesively securing said bondable member to the wheel. 
     
     
       6. The retention system of claim 5 and further including a second bead of flexible adhesive disposed at or just above the bead lock area along a peripheral side portion of said bondable member, opposite said side portion in contact with the wheel, to enhance the bond securing the bondable member to the wheel. 
     
     
       7. The retention system of claim 5 wherein said flexible adhesive is a suitable silicone rubber adhesive. 
     
     
       8. The retention system of claim 1 further including a decorative wheel cover carried by said retainer member and securable in operative position with said first and second engaging means interengaged. 
     
     
       9. The retention system of claim 9 further including releasable locking means to selectively retain said retainer member and said bondable member in operative engagement with each other. 
     
     
       10. The retention system of claim 7 wherein said retainer member and said bondable member are respectively first and second annular rings which are held in contact by said means for releasable engagement of said first and second engaging means. 
     
     
       11. The retention system of claim 10 wherein said side portion of the bondable member for contact with said flexible adhesive has a plurality of adhesive receiving depressions for enhancing a bond. 
     
     
       12. The retention system of claim 4 wherein the bondable member has a plurality of flexible self centering means on said side portion for orienting said bondable member in operative position against the bead lock area of the annular wall of said wheel while being secured thereto by said adhesive to center the bondable member on the axis of rotation of the wheel. 
     
     
       13. A retention system for removably securing in operative position a decorative wheel cover having an annular rim portion to an original equipment type steel automotive wheel, said retention system comprising: an original equipment type steel automotive wheel having an annular outer peripheral edge portion, an annular wall portion radially inward from said outer peripheral edge portion and an undercut bead lock;   a band of flexible adhesive disposed at least partially in the bead lock area around the annular wall portion of the automotive wheel and positioned for bonding a side portion of a bonding member in operative position thereto;   a bonding member having a side portion adapted for bonding with said band of flexible adhesive, being permanently bonded at said side portion by said adhesive being at least partially located in the undercut portion of the bead lock of the annular wall portion of said automotive wheel;   a retainer member having an outside surface face for securing the decorative wheel cover thereto in operative position on the wheel, the wheel cover being securable along said annular rim portion to the outside surface of the retainer member; and   said bonding member and said retainer member having cooperating means for releasable engagement whereby said retainer member with or without the decorative wheel cover secured thereto, can be releasably interengaged with the bonding member which is permanently bonded to the automotive wheel with said band of flexible adhesive.   
     
     
       14. The retention system of claim 13 and further including a second band of flexible adhesive disposed along a second side portion of said bonding member and in contact with a portion of the annular wall portion of the wheel to enhance the bonding connection between the wheel and the bonding member. 
     
     
       15. The retention system of claim 13 further including releasable locking means to selectively retain said retainer member and said bonding member in operative engagement with each other. 
     
     
       16. The retention system of claim 13 further including a decorative wheel cover carried by said retainer member and secured in operative position by said retainer member on said automotive wheel. 
     
     
       17. The retention system of claim 13 wherein said bonding member is a yieldable rigid plastic and said flexible adhesive is silicone rubber. 
     
     
       18. The retention system of claim 13 wherein said retainer member and said bonding member are respectively first and second annular rings which are held in mating contact by said cooperating means for releasable engagement. 
     
     
       19. The retention system of claim 18 wherein said annular rings are yieldable rigid plastic and said flexible adhesive is silicone rubber. 
     
     
       20. A combined retention system and decorative cover for removably securing an integrally molded decorative wheel cover having annular inner and outer rim portions to an ordinary automotive wheel having an annular outer peripheral edge portion and an annular wall portion radially inward from said outer peripheral edge portion, said retention system comprising: integrally molded decorative wheel cover and first engaging means extending along one of said inner or said outer rim portions of said decorative wheel cover;   second engaging means comprising a ring member having a first portion for engagement to said first engaging means and a second portion adhesively securable against the annular wall portion of said automotive wheel;   said first and second engaging means being cooperative for releasable engagement by placing said first engaging means in contact with the first portion of said second engaging means with the second portion of the second engaging means adhesively secured to the annular wall portion of said wheel and engaging the first and second engaging means to thereby secure the decorative wheel cover to the wheel.   
     
     
       21. The combined retention system and decorative cover apparatus of claim 20 wherein said ring member has means for self-centering said ring member in operative position against the annular wall portion of said wheel. 
     
     
       22. The combined retention system and decorative cover apparatus of claim 21 wherein the ring member is strengthened by a plurality of downwardly extending concentric annular rings which include means for positioning the ring member parallel to a plane of wheel rotation so that when assembled the retention system has no visible wobble. 
     
     
       23. The combined retention system and decorative cover apparatus of claim 22 wherein the plurality of concentric downwardly extending annular rings include a concentrically innermost ring having an arcuate surface for securing wheel weights. 
     
     
       24. The combined retention system and decorative cover apparatus of claim 22 wherein the ring member has an annular peripheral lower edge portion which includes means for self-centering said ring member with respect to the axis of rotation of said wheel so that when assembled the retention system appears to rotate on the same axis as the wheel. 
     
     
       25. A retention system for removably securing a decorative wheel cover having annular inner and outer rim portions to an ordinary automotive wheel having an annular outer peripheral edge portion and an annular wall portion radially inward from said outer peripheral edge portion, said retention system comprising: first engaging means securable along one of said inner or said outer rim portions of said decorative wheel cover;   second engaging means comprising a ring member having a first portion for engagement to said first engaging means and a second portion adhesively securable against the annular wall portion of said automotive wheel, the ring member having means for self-centering said ring member in operative position against the annular wall portion of said wheel wherein said means for self-centering said ring member comprises a plurality of flexible self-centering tabs radially arranged around the annular peripheral edge of the ring members; and   said first and second engaging means being cooperative for releasable engagement by placing said first engaging means in contact with the first portion of said second engaging means, with the second portion of the second engaging means adhesively secured to the annular wall portion of said wheel to thereby secure the decorative wheel cover to the wheel when the wheel cover is attached to said first engaging means.   
     
     
       26. A method of installing a removable decorative wheel cover having an annular rim portion, a contoured body portion and an integral retainer ring, to a bondable member secured to the bead lock area of an original equipment steel automotive wheel having a rim, an annular wall portion radially inward from the rim and a bead lock area on the annular wall portion suitable for bonding with an adhesive, comprising: providing a yieldable rigid annular bondable member having a facing surface, a releasable retention means carried by the facing surface, and a peripheral edge portion adapted to fit against and be bonded at the bead lock area of said wheel;   applying a bead of flexible adhesive to the bead lock area of the annular wall portion of the wheel;   pressing at least the peripheral edge of the yieldable rigid bondable member into said bead of adhesive to install and secure the bondable member at the bead lock area of the annular wall portion of said wheel, with the releasable retention means of said bondable member positioned outwardly;   providing a decorative wheel cover having an annular outer rim adapted to be substantially coextensive with the wheel rim, a contoured central body portion and an integral yieldable rigid retainer member having releasable retention means adapted for releasable interengagement with the releasable retention means of the installed bondable member;   placing said decorative wheel cover in operative position on the wheel with the releasable retention means of the retainer member located adjacent the releasable retention means of the bondable member; and   engaging the releasable retention means of the bondable member with the releasable retention means on the yielding rigid retainer member to secure the wheel cover to the wheel.   
     
     
       27. The method of claim 26 further comprising the step of locking said releasable retention means of the bondable member and integral yieldable rigid retainer member. 
     
     
       28. The method of claim 26 wherein the pressing step involves pressing a bondable member molded from plastic and the engaging step involves engaging an integral decorative wheel cover and retainer member being a ring member molded from plastic. 
     
     
       29. The method of claim 28 wherein the adhesive applying step applies silicone rubber adhesive. 
     
     
       30. The method of claim 26 wherein the adhesive applying step includes a bead of adhesive applied substantially all around the bead lock area of the annular wall portion of the wheel and the bondable member comprises a ring member having said peripheral edge portion, the pressing step including setting the peripheral edge portion into the bead of adhesive all around the annular wall portion of the wheel. 
     
     
       31. The method of claim 30 wherein the step of pressing the ring member in the adhesive bead includes forcing arcuate portions of the peripheral edge portion of the ring member into positioning contact with the annular wall portion of the wheel. 
     
     
       32. The method of claim 30 wherein the step of pressing the peripheral edge portion of the bondable member into the bead of adhesive includes the step of simultaneously centering the bondable member on the axis of wheel rotation with the aid of a plurality of self-centering tabs and positioning means. 
     
     
       33. The method of claim 26 wherein one of the releasable retention means of the bondable member and the retainer member comprise a plurality of lugs and the other comprise a plurality of cooperating slots and the step of engaging the releasable retention means includes positioning said plurality of lugs within said plurality of slots. 
     
     
       34. A method of installing a retention system for a removable decorative wheel cover to an ordinary automotive wheel, the wheel cover having an annular rim portion and the automotive wheel having an annular wall portion with a bead lock portion within said annular wall being suitable for bonding with an adhesive, comprising: applying a bead of flexible adhesive at least partially in said bead lock portion of the said annular wall portion of the wheel;   providing a yieldable rigid bondable member in the form of a second ring member having a first side portion having a peripheral edge just smaller than the diameter of the bead lock, said bondable member having a second engaging means along a second side portion positioned oppositely from said first side portion;   pressing the first side portion of the bondable member into the bead of adhesive at the bead lock portion of the wheel, to permanently adhesively bond the bonding member therein;   providing a retainer member for a decorative wheel cover, the retainer member having a first engaging means for releasably engaging the second engaging means of the bondable member;   securing the decorative wheel cover centered on said retainer member; and   interengaging the first engaging means of the retainer member with the second engaging means of the bondable member to secure said decorative wheel cover in centric relationship with the rotational axis of the wheel.   
     
     
       35. The method of claim 34 wherein the bead lock portion of the wheel has an undercut portion and the adhesive applying step includes applying said adhesive therein, to enhance a secure connection between said wheel and said bonding member. 
     
     
       36. The method of claim 34 further including the step of laying a second band of flexible adhesive around the upper side portion of said bonding member and in contact with a portion of the wheel to enhance the bonding connection between the wheel and the bonding member. 
     
     
       37. The method of claim 36 wherein at least the bead of adhesive in contact with the first side portion of the bonding ring is silicone rubber. 
     
     
       38. A method of installing a removable decorative wheel cover having annular inner and outer rim portions to an ordinary automotive wheel having an annular outer peripheral edge portion and an annular wall portion radially inward from side outer peripheral edge portion, comprising: providing a wheel having an annular wheel wall portion suitable for bonding with an adhesive; applying a bead of adhesive to a selected portion of the annular wall portion of the wheel;   providing a second engaging means;   setting the second engaging means in the bead of adhesive on the annular wall portion of the wheel;   providing a decorative wheel cover having on an annular rim portion a first engaging means releasably engageable with said second engaging means when said first engaging means is placed in contact with said second engaging means and rotated;   placing said first engaging means in contact with said second engaging means with said wheel cover in operative position on said wheel; and   rotating said decorative wheel cover to interengage said first and second engaging means and hold the wheel cover in place.   
     
     
       39. The method of claim 38 further comprising the step of: locking said first and second engagement means.   
     
     
       40. The method of claim 38 wherein the first and second engaging means are molded from plastic. 
     
     
       41. The method of claim 38 wherein the bead of adhesive is applied substantially all around the annular wall portion of the wheel and the second engaging means comprises a first ring member having a lower surface which is set in the adhesive. 
     
     
       42. The method of claim 41 wherein the step of setting the first ring member in the adhesive includes portions of the ring member being in positioning contact with the annular wall portion of the wheel. 
     
     
       43. The method of claim 41 wherein the step of placing said first engaging means in contact with said second engaging means and the step of rotating to interengage said first and second engaging means may be accomplished prior to securing said decorative wheel cover to said first engaging means. 
     
     
       44. The method of claim 41 wherein the second engaging means comprises a plurality of slots and the first engaging means comprises a plurality of cooperating lugs, said lugs being adapted to be received in and releasably held by said slots, wherein said step of placing said first engaging means in contact with said second engaging means causes said lugs to be received in said slots. 
     
     
       45. The method of claim 44 wherein the step of rotating causes edges of said slots to be interengaged by edges of said lugs. 
     
     
       46. The method of claim 45 further comprising a locking step after said rotating step. 
     
     
       47. A method of installing a retention system for a removable decorative wheel cover to an ordinary automotive wheel, the wheel cover having an annular rim portion and the automotive wheel having an annular wall portion being suitable for bonding with an adhesive, comprising: applying a bead of flexible adhesive at least partially in said bead lock portion of the said annular wall portion of the wheel;   providing a yieldable rigid bondable member in the form of a second ring member having a first side portion having a peripheral edge just smaller than the diameter of the bead lock, said bondable member having a second engaging means along a second side portion positioned oppositely from said first side portion;   pressing the first side portion of the bondable member into the bead of adhesive at the bead lock portion of the wheel, to permanently adhesively bond the bonding member therein;   providing a retainer member for a decorative wheel cover, the retainer member having a first engaging means for releasably engaging the second engaging means of the bondable member;   interengaging the first engaging means of the retainer member with the second engaging means of the bondable member to secure said retainer member in centric relationship with the rotational axis of the wheel; and   securing a decorative wheel cover centered on said retainer member. .Iadd.   
     
     
       48.  A retention system for securing a wheel cover to an automotive wheel, the wheel cover having an annular rim portion and the automotive wheel having an annular wall portion extending from an outer peripheral edge portion with an annular under cut area along the annular wall portion, said retention system comprising: a mating member having a circumferential side portion adapted to be positioned and fixedly secured to the annular wall portion of said automotive wheel, said mating member including a first releasable engagement member;   a retaining member to be fixed to the wheel cover along said annular rim portion of the wheel cover, said retaining member releasably engaging said first releasable engagement member of the said mating member;   a resilient ring of soft material extending about the circumference of said mating member at the annular wall portion of the wheel securing said mating member to the wheel with said retaining member being removably secured to the mating member upon interengagement of said releasable engagement member;   a decorative wheel cover secured to said retaining member and securable in an operative position with said retaining member engaged with said mating member, said decorative wheel cover including a back side secured to said retaining member and including a circular annular rim portion and   fastening means for securing said wheel cover to said retaining member. .Iaddend..Iadd.   
     
     
       49.  A system as set forth in claim 48 wherein said wheel cover is integral with said retaining member. .Iaddend..Iadd.50. A system as set forth in claim 48 wherein said retaining member comprising a first ring member having an outer periphery, said first ring member being formed from a general rigid material attached to said back side of said circular outer rim portion of said wheel cover member, said first ring member including a plurality of said second releasable engagement members. .Iaddend..Iadd.51. A system as set forth in claim 48 wherein said mating member comprises a second ring member having an outer periphery, said second ring member being formed from a generally rigid material and being adapted for attachment radially inwardly of said outer peripheral edge portion thereof; said second ring member including a plurality of said first releasable engagement members integrally formed therewith axially outwardly from said outer periphery and being disposed in a spaced apart relationship along said outer periphery of said second ring member. .Iaddend..Iadd.52. A system as set forth in claim 51 wherein said first and second releasable engagement members include means for locking upon relative rotation. .Iaddend..Iadd.53. A system as set forth in claim 48 wherein said retaining member comprises a first ring member securable to said back side of said circular outer rim potion of said wheel cover. 
     
     
        .Iaddend..Iadd.54.  A system as set forth in claim 53 wherein one of said first and second ring members including a plurality of lugs formed therein and extending therefrom and the other of said first and second ring members having a plurality of receptacles formed therein to receive said lugs interlocking engagement upon relative rotation of said first and second ring members. .Iaddend..Iadd.55. A system as set forth in claim 48 wherein said resilient ring of soft material connects said mating member 
     
     
        to the wheel at the under cut area. .Iaddend..Iadd.56.  A retention system for removably securing a wheel cover having annular inner and outer rim portions to an automotive wheel having an annular wall portion about the circumference thereof, said retention system comprising: retainer member adapted to be secured to the wheel cover;   mating member comprising a yieldable rigid ring member having a circumference about an annular peripheral edge including a first portion for engagement with said retainer member and a second portion securable against the annular wall portion of said automotive wheel, said retainer member and said mating member being engageable and disengageable in response to relative rotation of the retainer member and said mating member;   said ring member including a plurality of individual flexible tabs radially extending from said ring member and about said circumference for self-centering said ring member in an operative position against the annular wall portion of said wheel about the circumference of the annular peripheral edge of said ring member while maintaining the circumference of   
     
     
        said mating member. .Iaddend..Iadd.57.  A system as set forth in claim 56 further including a substantially continuous ring of resilient material for securing said mating means to the annular wall at an under cut area. .Iaddend..Iadd.58. A method of installing a removable decorative wheel cover having an annular rim portion, a contoured body portion and a retainer member, to a mating member secured to an automotive wheel having a rim, an annular wall portion radially inward from the rim and an undercut area on the annular wall portion, the method including the steps of: providing a yieldable rigid annular mating member having a facing surface, a releasable retention member carried by the facing surface, and a peripheral edge portion adapted to fit against and be secured at the annular wall of said wheel;   placing a ring of flexible material to the annular wall portion of the wheel;   pressing the peripheral edge of the yieldable rigid mating member against the ring of flexible material to install and secure the mating member against the annular wall portion of said wheel, said the releasable retention member of said mating member positioned outwardly;   providing a wheel cover having an annular outer rim adapted to be substantially coextensive with the wheel rim, a contoured central body portion and a yieldable rigid retainer member having releasable retention member adapted for releasable interengagement with the releasable retention member of the mating member;   placing said wheel cover in operative position on the wheel with said releasable retention member of the retainer member located adjacent the releasable retention member of the mating member; and   engaging the releasable retention member of the mating member with the releasable retention member on the yieldable rigid retainer member to   
     
     
        secure the wheel cover to the wheel. .Iaddend..Iadd.59.  A method as set forth in claim 58 further including rotating said decorative wheel cover with respect to the mating member to interengage the retainer member with the mating member and hold the wheel cover in place. .Iaddend..Iadd.60. A method as set forth in claim 58 further including placing the ring of flexible material at the under cut area of the annular wall portion of the wheel and securing the mating member at the under cut area. 
     
     
        .Iaddend..Iadd.1.  A retention system for removably securing a wheel cover having an annular outer rim portion to an automotive wheel having an annular wall portion and an outer peripheral edge portion, said system comprising: a retaining member secured to said annular outer rim portion of the wheel cover;   a mating member comprising a circular member extending adjacent and inwardly of the annular wall portion of a wheel and adapted to be secured to the wheel inwardly of the outer peripheral edge portion of the wheel and positioned between said retaining member and the wheel when the wheel cover is placed in its operative position within the wheel;   said mating member including first and second annular rings connected at one side by a mating ring, said mating ring including interlocking engagement means being engageable and disengageable from said retaining member, and including stiffening walls extending between said first and second annular rings at spaced intervals. .Iaddend..Iadd.62. A retention system for removably securing a wheel cover having a circular outer rim portion to an automotive wheel having a circular wall portion and an outer peripheral edge portion, said system comprising:   a retaining portion secured to the circular outer rim portion of the wheel cover;   a mating member comprising a circular member extending adjacent and inwardly of the circular wall portion of a wheel and adapted to be secured to the wheel inwardly of the outer peripheral edge portion of the wheel and positioned between said retaining portion and the wheel when the wheel cover is placed in its operative position within the wheel;   said retaining portion and said mating member having interlocking engagement means for releasable engagement with one another when said mating member is secured to the wheel and mated with said retaining portion having the wheel cover secured thereto and located in its operative position, said retaining portion and mating member being engageable and disengageable in response to rotation of said wheel cover relative to the vehicle wheel;   said mating member having an opening receiving a valve stem of the vehicle wheel therethrough,   said retaining portion including an elongated aperture therein aligned with said opening of said mating member receiving the valve stem and allowing rotation of said retaining portion without interference with the valve stem. .Iaddend..Iadd.63. A retention system for removably securing a wheel cover having an annular outer rim portion to an automotive wheel having an annular wall portion and an outer peripheral edge portion, said system comprising:   a retaining portion secured to the annular outer rim portion of the wheel cover;   a mating member comprising a circular member extending adjacent and inwardly of the annular wall portion of a wheel and adapted to be secured to the wheel inwardly of the outer peripheral edge portion to the wheel and positioned between said retaining portion and the wheel when the wheel cover is placed in its operative position within the wheel;   said retaining portion and said mating portion having interlocking engagement means for releasable engagement with one another when said mating portion is secured to the wheel and mated with said retaining portion having the wheel cover secured thereto and located in its operative position, said retaining portion and mating member being engageable and disengageable in response to rotation of said wheel cover relative to the vehicle wheel;   one of said retaining portion and said mating member including detent members interacting between said retaining portion and said mating member to snap into engagement upon relative rotation in a first direction of said retaining portion in a first direction of said retaining portion and said mating member locking said apparatus in the rotated position and to disengage upon manual rotation in a direction opposite said first direction so that said interlocking engagement means are engaged upon a first portion of rotation in said first direction and are further engaged along with said detent members snapping into engagement upon a further   
     
     
        rotation in said first direction. .Iaddend..Iadd.64.  A system as set forth in claim 63 wherein the other of said retaining portion and said mating member includes buttons for engagement with said detent members for snapping engagement to lock said retaining portion to said mating member. 
     
     
        .Iaddend..Iadd.65.  A retention system for securing a wheel cover to an automotive wheel, the wheel cover having an annular rim portion and the automotive wheel having an annular wall portion extending from an outer peripheral edge portion with an annular under cut area along the annular wall portion, said retention system comprising: a circular mating member having a circumferential side portion extending adjacent the wheel adapted to be positioned and fixedly secured along the annular wall portion of said automotive wheel, said mating member including a first releasable engagement member;   a retainer member to be fixed to the wheel cover along said annular rim portion of the wheel cover, said retainer member including a second releasable engagement member to releasably engage with said first releasable engagement member of the said mating member;   a resilient ring of adhesive extending about the circumferential side portion of said mating member at the annular wall portion of the wheel securing said mating member to the wheel with said retainer member being removable secured to the mating member upon interengagement of said   
     
     
        releasable engagement members. .Iaddend..Iadd.66.  A system as set forth in claim 65 wherein said mating member includes a yieldable rigid annular member having a peripheral edge portion adapted to fit against and be secured at the annular wall of the wheel. .Iaddend.