Patent ID: 7963892
Filing Date: 2011-06-21
Classification: A63B

Abstract:
1. A dumbbell system comprising: two disc-shaped bodies with hand retainer means, each disc-shaped body comprises a first face and a second opposed face, a central projection protruding from the first face, and a hand adapting means including a pillow disposed in the opposite second face, wherein the hand retainer means including an arc-shaped piece disposed over the pillow; at least a single weight plate attachment means, comprising a solid disc-shaped piece, having two opposite circular faces and a vertical contouring wall, wherein the contouring wall has a plurality of depressions, and further comprises a central annular projection having a threaded interior surface that projects from at least one of the circular faces; and a double weight plate attachment means, including a solid disc-shaped piece having two opposite circular faces and a vertical contouring wall, the contouring wall having a plurality of depressions, wherein a central annular projection having a threaded interior surface projects from both circular faces; wherein the dumbbell system allows a single arm working and alternatively a simultaneous and symmetrical working of both arms to fortify specific muscles, including biceps, triceps and back muscles; wherein each disc-shaped body may be attached to a single weight plate attachment means in order to be individually used; or both disc-shaped bodies may be attached to a double weight plate attachment means keeping said double weight plate attachment means between the disc-shaped bodies so this double attachment means allows fixing two dumbbell units by their body faces, so as to be used in a simultaneous and joint manner.