Patent ID: 9616273
Date: 2017-04-11
CPC Classifications: A63B

Claim:
1. An adjustable dumbbell assembly comprising: a handle bar including two end portions, two plates extended radially and outwardly from said end portions of said handle bar respectively, said plates each including a bore formed therein, a plurality of weight members each including a groove formed therein and having an open top, and each including a passage formed in said weight member and communicating with said groove of said weight member, said passage of said weight member including a diameter greater than a width of said groove of said weight member, said handle bar including two extensions extended from said end portions of said handle bar respectively and extended through said bores of said plates respectively, two blocks secured to said extensions of said handle bar respectively, two pairs of beams secured and retained between said plate and said block at said end portions of said handle bar respectively, and engageable into said groove of said weight member from said open top of said weight member respectively, said pairs of beams each including a plurality of slots formed therein and defined by a plurality of projections for engaging with said weight members and for positioning and retaining said weight members to said beams and for preventing said weight members from moving axially relative to said beams, two latches slidably engaged onto said extensions of said handle bar and engageable into said bores of said plates respectively, and slidable between said pair of beams, two rods secured to said latches respectively for moving said latches relative to said beams and said extensions of said handle bars respectively, two catches slidably engaged onto said rods respectively and biased to engage with said beams by spring biasing members respectively, and two weight elements detachably attached to said blocks respectively, said weight elements each including a weight of one half (½) of that of said weight member.