Exerciser

Abstract

An exerciser includes an object rotatable about a longitudinal axis. The object includes an outer surface and an inner surface opposite to the outer surface. The inner surface includes an axle seat extending along the longitudinal axis. A receiving space is defined between the inner surface and the axle seat. An axle is rotatably coupled to the axle seat of the object. The axle includes two ends extending beyond the outer surface of the object. Two jackets are mounted around the two ends of the axle. At least one weight is removably received in the receiving space of the object for increasing an overall weight of the exerciser.

1 . An exerciser comprising:
 an object rotatable about a longitudinal axis, wherein the object includes an outer surface and an inner surface opposite to the outer surface, wherein the inner surface includes an axle seat extending along the longitudinal axis, and wherein a receiving space is defined between the inner surface and the axle seat;   an axle rotatably coupled to the axle seat of the object, wherein the axle includes two ends extending beyond the outer surface of the object;   two jackets mounted around the two ends of the axle; and   at least one weight removably received in the receiving space of the object for increasing an overall weight of the exerciser.   
     
     
         2 . The exerciser as claimed in  claim 1 , further comprising an anti-slip ring, wherein two limiting flanges are disposed on the outer surface of the object and are spaced from each other along the longitudinal axis, wherein the anti-slip ring is disposed around a maximum diameter of the outer surface of the object and is located between the two limiting flanges, and wherein the anti-slip ring has a thickness greater than a height of each of the two limiting flanges. 
     
     
         3 . The exerciser as claimed in  claim 1 , wherein the object includes a first half shell and a second half shell detachably coupled with the first half shell, wherein the axle further includes a first section and a second section aligned with the first section along the longitudinal axis, wherein the first section is disposed on the first half shell, wherein the second section is disposed on the second half shell, wherein at least one partitioning board is disposed between an outer periphery of the axle seat and the inner surface of the object and has two portions respectively disposed in the first half shell and the second half shell, wherein the first half shell includes a plurality of through-holes spaced from each other in a circumferential direction about the longitudinal axis, wherein the second half shell includes a plurality of screw holes respectively aligned with the plurality of through-holes of the first half shell, and wherein a plurality of screws extends through the plurality of through-holes of the first half shell and threadedly couples with the plurality of screw holes. 
     
     
         4 . The exerciser as claimed in  claim 1 , further comprising:
 two positioning members coupled to the two ends of the axle, respectively; and   an elastic cord unit including two ends, with each of the two ends of the elastic cord unit detachably coupled with a respective one of the two positioning members.   
     
     
         5 . The exerciser as claimed in  claim 4 , wherein the elastic cord unit includes:
 two elastic cords each including two ends, wherein each of the two elastic cords includes a first hook and a second hook attached to the two ends thereof, respectively, wherein each first hook is detachably coupled with a respective one of the two positioning members; and   a positioning strap including two side flaps, wherein each of the two side flaps has a coupling ring, wherein each second hook is detachably coupled with the coupling ring of a respective one of the two side flaps, and wherein the positioning strap is non-stretchable and includes a protective pad on a surface thereof.   
     
     
         6 . An exerciser comprising:
 an object including an outer surface and an inner surface opposite to the outer surface, wherein the inner surface includes an axle seat extending along the longitudinal axis, and wherein a receiving space is defined between the inner surface and the axle seat;   an axle coupled to the axle seat of the object, wherein the axle has a length larger than or equal to an outer diameter of the object;   at least one weight removably received in the receiving space of the object  30 ;   a positioning member coupled to one of the two ends of the axle;   a handle coupled to and at a non-parallel angle to another of the two ends of the axle; and   an elastic cord including two ends, wherein the elastic cord includes a first hook and a second hook attached to the two ends thereof, respectively,   wherein the object is located between the positioning member and the handle, and wherein the handle is configured to be gripped by a user to lift the object, and   wherein the first hook is selectively and detachably coupled with the positioning member and the second hook is selectively and detachably coupled with a fixed member on a fixed surface, increasing a load to the user.   
     
     
         7 . The exerciser as claimed in  claim 6 , wherein the object includes a first half shell and a second half shell detachably coupled with the first half shell, wherein the axle further includes a first section and a second section aligned with the first section along the longitudinal axis, wherein the first section is disposed on the first half shell, wherein the second section is disposed on the second half shell, wherein at least one partitioning board is disposed between an outer periphery of the axle seat and the inner surface of the object and has two portions respectively disposed in the first half shell and the second half shell, wherein the first half shell includes a plurality of through-holes spaced from each other in a circumferential direction about the longitudinal axis, wherein the second half shell includes a plurality of screw holes respectively aligned with the plurality of through-holes of the first half shell, and wherein a plurality of screws extends through the plurality of through-holes of the first half shell and threadedly couples with the plurality of screw holes. 
     
     
         8 . An exerciser comprising:
 an object including an outer surface and an inner surface opposite to the outer surface, wherein the inner surface includes an axle seat extending along the longitudinal axis, and wherein a receiving space is defined between the inner surface and the axle seat;   an axle having a length larger than or equal to an outer diameter of the object;   at least one weight removably received in the receiving space of the object;   two jackets;   two positioning members;   a handle;   two elastic cords each including two ends, wherein each of the two elastic cords includes a first hook and a second hook attached to the two ends thereof, respectively;   a positioning strap including two side flaps, wherein each of the two side flaps has a coupling ring, and wherein the positioning strap is non-stretchable and includes a protective pad on a surface thereof;   wherein the exerciser includes a rolling mode having the object, the axle, the two jackets, the two positioning members, the two elastic cords, and the positioning strap and a lifting mode having the object, the axle, one of the two positioning members, one of the two elastic cords, and the handle,   wherein when the exerciser is in the rolling mode, the axle is rotatably coupled with the axle seat with two ends of the axle extending beyond the object, the two jackets are mounted around the two ends of the axle, the two positioning members are mounted to the two ends of the axle, each first hook of each of the two elastic cords is detachably coupled with a respective one of the two positioning members, each second hook of each of the two elastic cords is detachably coupled with the coupling ring of a respective one of the two side flaps of the positioning strap;   wherein when the exerciser is in the lifting mode, the axle is rotatably coupled with the axle seat, the one of the two positioning members is coupled to one of two ends of the axle, the handle is coupled to another end of the two ends of the axle and is at a non-parallel angle to the axle, the first hook of the one of the two elastic cords is detachably coupled with the one of the two positioning members, and the second hook of the one of the two elastic cords is detachably coupled with a fixed member on a fixed surface.   
     
     
         9 . The exerciser as claimed in  claim 8 , wherein the object includes a first half shell and a second half shell detachably coupled with the first half shell, wherein the axle further includes a first section and a second section aligned with the first section along the longitudinal axis, wherein the first section is disposed on the first half shell, wherein the second section is disposed on the second half shell, wherein at least one partitioning board is disposed between an outer periphery of the axle seat and the inner surface of the object and has two portions respectively disposed in the first half shell and the second half shell, wherein the first half shell includes a plurality of through-holes spaced from each other in a circumferential direction about the longitudinal axis, wherein the second half shell includes a plurality of screw holes respectively aligned with the plurality of through-holes of the first half shell, and wherein a plurality of screws extends through the plurality of through-holes of the first half shell and threadedly couples with the plurality of screw holes.