Swivel ring base for oversized chair

Abstract

A swivel base includes a base having a flat upper surface defining a central longitudinal axis. The swivel base further includes a rotational hub disposed centrally on, and rotatable around, the central longitudinal axis of the base. The rotational hub also includes a coupling. Additionally, the swivel base includes a spoke removably secured to the rotational hub at the coupling, a roller axle telescopically coupled with the spoke, and a connector telescopically coupled with the roller axle.

What is claimed is: 
     
         1 . A swivel base, comprising:
 a base having a flat upper surface and defining a central longitudinal axis;   a rotational hub disposed centrally on, and rotatable around, the central longitudinal axis of the base and including a coupling;   a spoke removably secured to the rotational hub at the coupling;   a roller axle telescopically coupled with the spoke; and   a connector telescopically coupled with the roller axle.   
     
     
         2 . The swivel base of  claim 1 , wherein the base comprises an annular base. 
     
     
         3 . The swivel base of  claim 2 , further comprising a cross brace coupled to a first inner portion of the annular base and a second inner portion of the annular base opposite the first inner portion. 
     
     
         4 . The swivel base of  claim 1 , wherein the base defines an outer radius of between 10 inches (in.) and 14 in. 
     
     
         5 . The swivel base of  claim 1 , wherein the rotational hub comprises a nylon bushing. 
     
     
         6 . The swivel base of  claim 1 , wherein the coupling defines an aperture. 
     
     
         7 . The swivel base of  claim 6 , wherein the spoke is at least partially disposed in the aperture of the coupling, and
 the coupling includes a pivotable coupling passing through the aperture and the spoke.   
     
     
         8 . The swivel base of  claim 7 , wherein the coupling defines a radial axis and a rotational plane, extending out from the rotational hub, and
 wherein the spoke is pivotable approximately five degrees)(° about the pivotable coupling in either direction of the radial axis in the rotational plane.   
     
     
         9 . The swivel base of  claim 1 , further comprising a roller wheel disposed on a distal end of the roller axle. 
     
     
         10 . The swivel base of  claim 9 , wherein the roller wheel includes a covering disposed on a circumference of the roller wheel. 
     
     
         11 . The swivel base of  claim 10 , wherein the roller wheel includes at least one annular groove and the covering is at least partially disposed in the at least one annular groove. 
     
     
         12 . The swivel base of  claim 10 , wherein the covering includes a sound-dampening material. 
     
     
         13 . The swivel base of  claim 12 , wherein the sound-dampening material is a synthetic material. 
     
     
         14 . The swivel base of  claim 1 , wherein the roller axle has a proximal end disposed within the spoke and a distal end extending beyond the spoke; and
 wherein the roller axle has a contracted state and an extended state, the distal end of the roller axle extending between approximately 0.5 inches (in.) and 4 in. further beyond the spoke in the extended state compared to the contracted state.   
     
     
         15 . The swivel base of  claim 1 , wherein the connector has a proximal end disposed within the roller axle and a distal end extending beyond the roller axle; and
 wherein the connector has a contracted position and an extended state, the distal end of the roller axle extending between approximately 0.5 inches (in.) and 9 in. further beyond the spoke in the extended state compared to the contracted state.   
     
     
         16 . A swivel base, comprising:
 an annular base having a flat upper surface and defining a central longitudinal axis;   a rotational hub disposed centrally on, and rotatable around, the central longitudinal axis of the annular base and including a plurality of couplings, each coupling of the plurality of couplings defining an aperture;   a plurality of spokes, each spoke of the plurality of spokes removably secured to the rotational hub at one coupling of the plurality of couplings;   a plurality of roller axles, each roller axle of the plurality of roller axles defining a proximal end and a distal end and telescopically coupled with one spoke of the plurality of spokes, each roller axle of the plurality of roller axles including a roller wheel disposed on the distal end of the roller axle; and   a plurality of connectors, each connector telescopically coupled with one roller axle of the plurality of roller axles.   
     
     
         17 . The swivel base of  claim 16 , further comprising a cross brace coupled to a first inner portion of the annular base and a second inner portion of the annular base opposite the first inner portion. 
     
     
         18 . The swivel base of  claim 16 , wherein the annular base defines an outer radius of between 10 inches (in.) and 14 in. 
     
     
         19 . The swivel base of  claim 16 , wherein the rotational hub comprises a nylon bushing. 
     
     
         20 . The swivel base of  claim 16 , wherein each spoke is at least partially disposed in the aperture of the corresponding coupling, and
 each coupling includes a pivotable coupling passing through the aperture and the spoke.   
     
     
         21 . The swivel base of  claim 16 , wherein each coupling defines a radial axis and the plurality of couplings define a rotational plane, extending out from the rotational hub, and
 wherein each spoke is pivotable approximately five degrees)(° about the pivotable coupling in either direction of the corresponding radial axis in the rotational plane.   
     
     
         22 . The swivel base of  claim 16 , wherein the roller wheel includes a covering disposed on a circumference of the roller wheel. 
     
     
         23 . The swivel base of  claim 22 , wherein the roller wheel comprises at least one annular groove and the covering is at least partially disposed in the annular groove. 
     
     
         24 . The swivel base of  claim 22 , wherein the covering includes a sound-dampening material. 
     
     
         25 . The swivel base of  claim 24 , wherein the sound-dampening material is a synthetic material. 
     
     
         26 . The swivel base of  claim 16 , wherein the proximal end of each roller axle is disposed within the corresponding spoke and the distal end of each roller axle extends beyond the corresponding spoke; and
 wherein each roller axle has a contracted state and an extended state, the distal end of each roller axle extending between approximately 0.5 inches (in.) and 4 in. further beyond the corresponding spoke in the extended state compared to the contracted state.   
     
     
         27 . The swivel base of  claim 16 , wherein each connector has a proximal end disposed within the corresponding roller axle and a distal end extending beyond the corresponding roller axle; and
 wherein the connector has a contracted state and an extended state, the distal end of each roller axle extending between approximately 0.5 inches (in.) and 9 in. further beyond the corresponding spoke in the extended state compared to the contracted state.