Patent ID: 7862487

Claim:
An adjustable weight set comprising: (a) an annular hand graspable handle assembly having a pair of rod apertures; (b) a pair of rack shafts disposed within said handle assembly each said rack shaft having a series of grooves disposed along its length; (c) a pair of spaced apart weight assemblies disposed about said handle assembly to reveal a centrally disposed hand grip portion of said handle assembly, each weight assembly comprising: (i) a inner wedge assembly and a outer wedge assembly in spaced apart relationship, each wedge assembly having an inner slanted face that can carry said handle assembly; (ii) at least two slanted weight plates disposed between each of said outer and inner wedge assemblies; (iii) each said slanted weight plate having a trapezoidally-shaped tang extending from the side and adjacent to a locking slot in the weight plate, each adjacent weight plate interlocking by a tang of one weight plate inserted into the locking slot of an adjacent weight plate; there being a centrally disposed hole in each weight plate configured to receive said handle assembly; (d) a knob assembly carried by each inner wedge assembly and comprising: (i) a hand rotatable detented knob accessible by a user and carrying a series of detent depressions thereabout, each knob detent depression corresponding to one slanted weight plate; (ii) a rod having an upper end affixed to said knob and a lower end extending through said handle assembly rod aperture and affixed to a rotatable notched pinion, said pinion notches matable with said rack shaft grooves where rotating said knob causes said pinion to rotate which in turn moves said rack shaft to move inside said handle assembly underneath said slanted weight plates; whereby rotating each said knob causes each said rack shaft to move back and forth within said handle assembly to support a defined number of slanted weight plates for use by said user.