Portable chest exercise device

A portable chest exercise device for isolating and exercising pectoral muscles of a user, said device comprising:

• a cylinder having an outer wall extending between a first end and a second end of said cylinder, said cylinder having a first hole extending through said outer wall, said first hole being positioned closer to said first end than said second end, said cylinder having a second hole extending through said outer wall, said second hole being positioned closer to said second end than said first end, each of said first hole and said second hole being aligned with each other along an axis extending between said first end and said second end;
• a first biasing member being compressible, said first biasing member having a spring force which resists being compressed;
• a second biasing member being compressible, said second biasing member having a spring force which resists being compressed, a selected one of said first biasing member or a selected one of said second biasing member being insertable into said cylinder such that and said first biasing member and said second biasing member are interchangeable, said spring force of said second biasing member being greater than said spring force of said first biasing member wherein said selected first biasing member or said selected second biasing member are configured to be removably insertable into said cylinder based upon a degree of resistance that is desired by the user;
• wherein said first biasing member has a primary end and a secondary end, said first biasing member having a length being less than a length of said cylinder between said first end and said second end, said primary end being positioned between said first hole and a center of said cylinder when said first biasing member is fully seated in said cylinder, said secondary end being positioned between said second hole and said center of said cylinder when said first biasing member is fully seated in said cylinder;
• wherein said second biasing member has a primary end and a secondary end, said second biasing member having a length being less than a length of said cylinder between said first end and said second end, said primary end of said second biasing member being positioned between said first hole and said center of said cylinder when said second biasing member is fully seated in said cylinder, said secondary end of said second biasing member being positioned between said second hole and said center of said cylinder when said second biasing member is fully seated in said cylinder;
• a first compression unit being slidably insertable into said cylinder said selected first biasing member or said selected second biasing member is positioned in said cylinder, said first compression unit comprising:
• a first plunger having a coupled end and a free end and an outer surface extending between said coupled end and said free end, said outer surface having a flared portion curving outwardly between a first portion of said outer surface and a second portion of said outer surface, said second portion extending between said free end and said flared portion, said second portion resting against an interior surface of said cylinder when said free end of said first plunger is inserted into said first end of said cylinder, said free end of said first plunger abutting said primary end of said first biasing member when free end of said first plunger is inserted into said first end of said cylinder and said when first biasing member is inserted into said cylinder, said free end of said first plunger abutting said primary end of said second biasing member when said free end of said first plunger is inserted into said first end of said cylinder and when said second biasing member is inserted into said cylinder in lieu of said first biasing member, said outer surface of said first plunger having a tapered section curving inwardly between said first portion of said outer surface and said coupled end of said first plunger such that said coupled end of said first plunger has a diameter being less than a diameter of said first portion of said outer surface;
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• a first toroidal ring having an exterior wall being coupled to said coupled end of said first plunger such that said first toroidal ring is bisected by an axis extending between said coupled end of said first plunger and said free end of said first plunger, said first toroidal ring having a first channel extending through said exterior wall and into an interior space in said first toroidal ring defined by said exterior wall, said first channel being continuous such that said first channel extends around a full circumference of said exterior wall, said first channel being oriented to face a center of said first toroidal ring, said first channel having a first bounding edge being spaced from a second bounding edge;
• a first rod being movably coupled to said first compression unit wherein said first rod is configured to be gripped by a respective hand of the user, said first rod being orientable at a variety of angles with respect to a lengthwise axis of said cylinder when said first compression unit is slidably inserted into said cylinder wherein said first rod is configured to be urged laterally toward said cylinder when the user urges their respective hand toward said cylinder, said first compression unit compressing said selected first biasing member when said selected first biasing member is removably inserted into said cylinder and when said first compression unit is urged laterally toward said cylinder wherein said spring force of said selected first biasing member is configured to resist being compressed by the user thereby exercising pectoral muscles of the user, said first compression unit compressing said selected second biasing member when said selected second biasing member is removably inserted into said cylinder and when said first compression unit is urged laterally toward said cylinder wherein said spring force of said selected second biasing member is configured to resist being compressed by the user thereby exercising the pectoral muscles of the user, said first rod having a primary end of said first rod and a secondary end of said first rod, said first rod having a central portion extending between a first end portion and a second end portion, said central portion having a diameter being less than a diameter of each of said first end portion and said second end portion, said first end portion being associated with said primary end of said first rod, said second end portion being associated with said secondary end of said first rod;
• a first stem being coupled to and extending away from said primary end of said first rod having said first stem being oriented colinear with an axis extending between said primary end of said first rod and said secondary end of said first rod, said first stem extending through said first channel in said exterior wall of said first toroidal ring;
• a first ball being disposed on a distal end of said first stem having said first ball being spaced from said primary end of said first rod, said first ball being positioned within said interior space in said first toroidal ring, said first ball having a diameter being greater than a distance between said first bounding edge of said first channel and said second bounding edge of said first channel such that said first ball is inhibited from passing through said first channel;
• a second stem being coupled to and extending away from said secondary end of said first rod having said second stem being oriented colinear with an axis extending between said primary end of said first rod and said secondary end of said first rod, said second stem extending through said first channel in said exterior wall of said first toroidal ring;
• a second ball being disposed on a distal end of said second stem having said second ball being spaced from said secondary end of said first rod, said second ball being positioned within said interior space in said first toroidal ring, said second ball having a diameter being greater than a distance between said first bounding edge of said first channel and said second bounding edge of said first channel such that said second ball is inhibited from passing through said first channel, each of said first stem and said second stem being slidable along said first channel such that said first rod is pivotable about said center of said first toroidal ring wherein said first rod is configured to have the respective hand of the user being positionable at a variety of angles with respect to said lengthwise axis of said cylinder;
• a second compression unit being slidably insertable into said cylinder when said selected first biasing member or said selected second biasing member is positioned in said cylinder, said second compression unit comprising:
• a second plunger having a coupled end of said second plunger and a free end of said second plunger and an outer surface extending between said coupled end of said second plunger and said free end of said second plunger, said outer surface of said second plunger having a flared portion curving outwardly between a first portion of said outer surface of said second plunger and a second portion of said outer surface of said second plunger, said second portion of said outer surface of said second plunger extending between said free end of said second plunger and said flared portion of said outer surface of said second plunger, said second portion of said outer surface of said second plunger resting against an interior surface of said cylinder when said free end of said second plunger is inserted into said second end of said cylinder, said free end of said second plunger abutting said secondary end of said first biasing member when said free end of said second plunger is inserted into said second end of said cylinder and when said first biasing member is inserted into said cylinder, said free end of said second plunger abutting said secondary end of said second biasing member when said free end of said second plunger is inserted into said second end of said cylinder and when said second biasing member is inserted into said cylinder in lieu of said first biasing member, said outer surface of said second plunger having a tapered section curving inwardly between said first portion of said outer surface of said second plunger and said coupled end of said second plunger such that said coupled end of said second plunger has a diameter being less than a diameter of said first portion of said outer surface of said second plunger;
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• a second toroidal ring having an exterior wall being coupled to said coupled end of said second plunger such that said second toroidal ring is bisected by an axis extending between said coupled end of said second plunger and said free end of said second plunger, said second toroidal ring having a second channel extending through said exterior wall of said second toroidal ring and into an interior space in said second toroidal ring defined by said exterior wall of said second toroidal ring, said second channel being continuous such that said second channel extends around a full circumference of said exterior wall of said second toroidal ring, said second channel being oriented to face a center of said second toroidal ring, said second channel having a first bounding edge of said second channel being spaced from a second bounding edge of said second channel;
• a second rod being movably coupled to said second compression unit wherein said second rod is configured to be gripped by a respective hand of the user, said second rod being orientable at a variety of angles with respect to a lengthwise axis of said cylinder when said second compression unit is slidably inserted into said cylinder wherein said second rod is configured to be urged laterally toward said cylinder when the user urges their respective hand toward said cylinder, said second compression unit compressing said selected first biasing member when said selected first biasing member is removably inserted into said cylinder and when said second compression unit is urged laterally toward said cylinder wherein said spring force of said selected first biasing member is configured to resist being compressed by the user thereby exercising the pectoral muscles of the user, said second compression unit compressing said selected second biasing member when said selected second biasing member is removably inserted into said cylinder and when said second compression unit is urged laterally toward said cylinder wherein said spring force of said selected second biasing member is configured to resist being compressed by the user thereby exercising the pectoral muscles of the user, said second rod having a primary end of said second rod and a secondary end of said second rod, said second rod having a central portion of said second rod extending between a first end portion of said second rod and a second end portion of said second rod, said central portion of said second rod having a diameter being less than a diameter of each of said first end portion of said second rod and said second end portion of said second rod, said first end portion of said second rod being associated with said primary end of said second rod, said second end portion of said second rod being associated with said secondary end of said second rod;
• a primary stem being coupled to and extending away from said primary end of said second rod having said primary stem being oriented colinear with an axis extending between said primary end of said second rod and said secondary end of said second rod, said primary stem extending through said second channel in said exterior wall of said second toroidal ring;
• a primary ball being disposed on a distal end of said primary stem having said primary ball being spaced from said primary end of said second rod, said primary ball being positioned within said interior space in said second toroidal ring, said primary ball having a diameter being greater than a distance between said first bounding edge of said second channel and said second bounding edge of said second channel such that said primary ball is inhibited from passing through said second channel;
• a secondary stem being coupled to and extending away from said secondary end of said second rod having said secondary stem being oriented colinear with an axis extending between said primary end of said second rod and said secondary end of said second rod, said secondary stem extending through said second channel in said exterior wall of said second toroidal ring;
• a secondary ball being disposed on a distal end of said secondary stem having said secondary ball being spaced from said secondary end of said second rod, said secondary ball being positioned within said interior space in said second toroidal ring, said secondary ball having a diameter being greater than a distance between said first bounding edge of said second channel and said second bounding edge of said second channel such that said secondary ball is inhibited from passing through said second channel, each of said primary stem and said secondary stem being slidable along said second channel such that said second rod is pivotable about said center of said second toroidal ring wherein said second rod is configured to have the respective hand of the user being positionable at a variety of angles with respect to said lengthwise axis of said cylinder;
• a first screw having a shaft being insertable into said first hole in said outer wall of said cylinder having said shaft threadably engaging a bounding edge of said first hole, said flared portion of said outer surface of said of said first plunger abutting said first screw when said first screw is threaded into said first hole and when said first plunger is pulled outwardly from said first end of said cylinder such that said first screw inhibits said first plunger from being removed from said first end of said cylinder when said first plunger is pulled outwardly from said cylinder, said first screw having a head which has a diameter being greater than a diameter of said first hole such that said head is inhibited from passing through said first hole when said first screw is tightened in said first hole;
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• a second screw having a shaft being insertable into said second hole in said outer wall of said cylinder having said shaft of said second screw threadably engaging a bounding edge of said second hole, said flared portion of said outer surface of said of said second plunger abutting said second screw when said second screw is threaded into said second hole and when said second plunger is pulled outwardly from said second end of said cylinder such that said second screw inhibits said second plunger from being removed from said second end of said cylinder when said second plunger is pulled outwardly from said cylinder, said second screw having a head which has a diameter being greater than a diameter of said second hole such that said head of said second screw is inhibited from passing through said second hole when said second screw is tightened in said second hole.