Rigid Annulus Enclosing Patents (Class 152/57)
  • Patent number: 7913733
    Abstract: A tire for a vehicle comprises, an inner wheel (12) adapted to mount to a vehicle having a radially outer surface (34). A first ring (16) is annular and concentric with the inner wheel (12) and has a radially outer (40) and a radially inner (38) surface. An annular inner-tube (14) is securedly positioned between the inner wheel (12) and the first ring (16). A second ring (18) has a radially outer surface (46) and a radially inner surface (44) adapted to mate with first ring (16). A tread (20) is secured to radially outer surface (46) of said second ring (18).
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: March 29, 2011
    Inventor: David G. Abdallah
  • Patent number: 4765382
    Abstract: A reinforced resilient wheel having a rim (4), a hub (12), a shock absorbing air space (18), formed between a channel (10), and an elastomeric member (16) with flange means (26) clamping the elastomeric member to the rim, and reinforcing means (60, 62) for securing the elastomeric member to the rim.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: August 23, 1988
    Inventor: Edward H. Sahagian
  • Patent number: 4549590
    Abstract: A resilient wheel having tire rim, a central hub portion, a shock absorbing member between the rim and the hub comprising an annular pneumatically sealed, hollow, substantially toroidal member, at least a portion of which is flexible, both the rim and the hub being attached to the toroidal member, one of which is attached to the flexible portion whereby shocks imparted to the rim are absorbed by the flexible portion and air within the toroidal member.
    Type: Grant
    Filed: March 16, 1984
    Date of Patent: October 29, 1985
    Inventor: Edward H. Sahagian