Interchangeable fitness apparatus

Abstract

An exercise apparatus is disclosed. The exercise apparatus includes an elongate bar, a rolling member including an outer surface and a centrally-located axial aperture that extends through the rolling member, and at least one pair of apertures disposed within the elongate bar, each aperture of the pair of apertures being configured to receive a locking pin. A distance between the at least one pair of apertures is slightly greater than a length of the centrally-located axial aperture, and at least one pair of apertures is disposed entirely on a right or left side of a midpoint of the elongate bar.

What is claimed is: 
     
         1 . An exercise apparatus, comprising:
 an elongate bar;   a rolling member comprising an outer surface and a centrally-located axial aperture that extends through the rolling member;   at least one pair of apertures disposed within the elongate bar, each aperture of the pair of apertures being configured to receive a locking pin; and   a removable endpiece to further elongate the elongate bar;   wherein a distance between the at least one pair of apertures is slightly greater than a length of the centrally-located axial aperture; and   wherein the at least one pair of apertures is disposed entirely on a right or left side of a midpoint of the elongate bar.   
     
     
         2 . The exercise apparatus of  claim 1 , wherein the removable endpiece comprises:
 a threaded portion on a proximal end portion to engage with a complimentary threaded portion on an end portion of the elongate bar; and   a knurled end on a distal end portion, opposite the proximal end portion.   
     
     
         3 . The exercise apparatus of  claim 1 , wherein the rolling member includes a sealable opening configured to allow sand, water, or a substantially equivalent material to be introduced, thereby enabling adjustable weight of the rolling member for varied exercise difficulty. 
     
     
         4 . The exercise apparatus of  claim 1 , wherein the knurled end portion has a cross-sectional diameter that is greater than a cross-sectional diameter of the axial aperture that extends through the rolling member. 
     
     
         5 . The apparatus of  claim 1 , wherein the elongate bar further comprises a removable extension bar with a knurled end portion to facilitate use of the apparatus in a mace configuration. 
     
     
         6 . The apparatus of  claim 1 , wherein the rolling member is formed of a resilient plastic material. 
     
     
         7 . The apparatus of  claim 1 , further comprising a grip disposed on one side of the elongate bar. 
     
     
         8 . The apparatus of  claim 1 , wherein the rolling member further includes a sleeve extending through the centrally-located axial aperture, the sleeve serving to reduce friction between the rolling member and the elongate bar. 
     
     
         9 . The apparatus of  claim 1 , further comprising a pair of quick-release pins configured to secure the rolling member in a desired position along the elongate bar. 
     
     
         10 . The apparatus of  claim 1 , wherein the exercise apparatus is configured to roll in any direction, to enhance balance and coordination during exercise. 
     
     
         11 . The apparatus of  claim 1 , wherein the elongate bar includes a coating selected from the group consisting of black oxide, Carakote, and zinc. 
     
     
         12 . The apparatus of  claim 1 , further including at least one clamp member configured to retain the rolling member at a selected position on the elongate bar. 
     
     
         13 . An exercise apparatus, comprising:
 an elongate bar having a plurality of apertures extending through the cross-sectional diameter of the elongate bar;   a rolling member including an axial aperture configured to receive the elongate bar therethrough; and   a plurality of locking pins configured to secure the rolling member in a selected position along the elongate bar;   wherein the apparatus is configurable as a push-up, plank hold, or abdominal roll-out bar when the rolling member is positioned at a midpoint of the elongate bar, and as a mace when the rolling member is positioned at an end portion of the elongate bar.   
     
     
         14 . The apparatus of  claim 13 , wherein the rolling member is in the shape of a bowtie in cross-section. 
     
     
         15 . The apparatus of  claim 13 , wherein the rolling member includes a hollow interior and is configured to receive water, sand, or an equivalent material for adding additional weight to the rolling member. 
     
     
         16 . The apparatus of  claim 13 , further comprising an extension bar attachable to the elongate bar to provide additional length to the elongate bar. 
     
     
         17 . An exercise apparatus, comprising:
 an elongate bar;   a rolling member slidably disposed along the elongate bar, and one or more removable endpieces attachable to the elongate bar;   wherein the rolling member includes a sleeve to facilitate smooth sliding along the bar; and   wherein the apparatus further comprises a set of quick-release clamps to secure the rolling member in a desired location along the elongate bar.   
     
     
         18 . The apparatus of  claim 17 , wherein the rolling member is configured to roll omnidirectionally. 
     
     
         19 . The apparatus of  claim 17 , further comprising a knurled handle for improved grip during use in a mace configuration. 
     
     
         20 . The apparatus of  claim 17 , wherein the removable endpieces include a flared portion to prevent the rolling member from sliding off of the elongate bar.