Device for locking a tire

• US 5,271,443 A
• Filed: 12/27/1991
• Issued: 12/21/1993
• Est. Priority Date: 12/27/1991
• Status: Expired due to Fees

• Current Assignee: Hutchinson (Welltower, Inc.)
• Original Assignee: Hutchinson (Welltower, Inc.)
• Inventors: Boni, Bernard, Piton, Andre, Seradarian, Pascal
• Primary Examiner(s): Stormer, Russell D.
• Application Number:
  US07/816,009
• Time in Patent Office: 725 Days
• Field of Search: 152/379.3, 152/379.4, 152/379.5, 152/381.3, 152/381.4, 152/381.5, 152/381.6, 152/382, 152/384, 152/387, 152/388, 152/389, 152/400, 152/399
• US Class Current: 152/400
• CPC Class Codes: B60B 21/12 Appurtenances, e.g. lining bands
• CPC Class Codes: B60B 21/125 Bead clamping elements
• CPC Class Codes: B60C 15/028 Spacers between beads emergency load-supporting means B60C17/00

Abstract

A tire locking device installed inside the cover of a tire mounted on a wheel rim and exerting pressure on the beads of the cover, urged against the flanges of the rim, includes a metal strip shaped as a cylindrical ring which is split parallel to its generator lines, is provided on both circumferential edges with extrusions made of an elastomer type material. The extrusions are split level with the split in the metal strip, and a means for connecting the edges of the strip with the intrusions form an annular lock of total width which is greater than the nominal spacing between the inside faces of the beads of the cover in which the device is mounted.

Claims

1. A device for locking the beads of a tire against opposite flanges of a multi-piece rim, said device comprising:

a cylindrical metal strip centered on an axis, said strip being formed with a transverse split bounded by two transverse edges;

a pair of coaxial annular flanges formed on said strip, extending outwardly away from said axis and flanking said strip, each of said flanges on said strip being formed with a respective free end spaced radially outwardly from said strip and being connected to the cylindrical strip by a respective arcuate bend;

a pair of elastomer extrusions adapted to contact said beads, each of said extrusions being mounted on a respective one of said flanges and formed with;

a respective split registering with said split of said strip,

a respective radial groove receiving the free end of the respective flange

an inwardly extending portion reaching around the respective bend to underlie the strip,

and an external surface engageable with the respective bead and inclined to a plane perpendicular to the axis by 6°

to 10° and

substantially parallel to the respective annular flange on said strip;

fastening means for connecting said strip with said extrusions to form an annular lock, said annular lock having a total width larger than a spacing between inside faces of the beads upon mounting of the tire on said rim, said fastening means being a plurality of angularly spaced rivets traversing said strip and said portion adjacent the respective bend; and

means including strips extending perpendicular to said transverse edges, bridging said split in said strip and connecting said transverse edges upon lodging of the lock in the tire.