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US 6,656,093 B2Granted
Adjustable dumbbell having easily adjusting structure
OwnerPaul Cheninventor
Life of this patent
Estimating the term…
Abstract
An adjustable dumbbell includes one or more weights engaged onto a rod, and a latch slidably engaged in the rod and movable to engage with one or more of the weights for selectively or adjustably securing the weights to the rod. The weights each has a groove for receiving the rod, and each has a channel communicating with the groove for receiving the latch. A fastener is secured to the latch and slidably engaged in the rod for moving the latch relative to the rod. A barrel is slidably engaged on the fastener and a spring may bias the barrel to engage with the rod.
Claims12
An adjustable dumbbell comprising:
- a rod including a first end;
- at least one weight engaged onto said first end of said rod;
- and
- a latch slidably engaged in said first end of said rod and movable to engage with said at least one weight for selectively securing said at least one weight to said first end of said rod;
- wherein said at least one weight includes a groove formed therein for receiving said first end of said rod, said first end of said rod includes a pair of slots formed therein for receiving said at least one weight, said at least one weight includes a channel formed therein and communicating with said groove thereof and having a width greater than that of said groove of said at least one weight for receiving said latch, said first end of said rod includes a conduit formed therein for slidably receiving said latch, said first end of said rod includes a passage formed therein and communicating with said conduit thereof, said latch includes a fastener secured thereto and slidably engaged in said passage of said rod for moving said latch relative to said rod, said first end of said rod includes at least one aperture formed therein and communicating with said passage of said rod, and said latch further includes a barrel slidably engaged on said fastener and having a catch for engaging into said at least one aperture of said rod.
2 more elements
Dependencies are inferred from the claim text.