US 2022/0054879 A1Published application

Adjustable dumbbell

OwnerJianguang Zhanginventor

Life of this patent

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Abstract

A dumbbell may include a handle, a first weighted portion and a second weighted portion, wherein the first weighted portion and the second weighted portion are located at two opposite ends of the handle. In one embodiment, the first weighted portion has a cover and a receiving space, and the receiving space has a center receiving hole and a plurality of surrounding receiving holes, each of which is configured to receive an elongated center weighted unit and one or more surrounding weighted units. Likewise, the second weighted portion has a cover and a receiving space having a center receiving hole and a plurality of surrounding receiving holes that can be used to receive each of the center and surrounding elongated weighted units. In one embodiment, the cover can be threadedly engaged with the outer peripheries of the first and second weighted portions.

Claims8

Dependent claims

A dumbbell comprising a handle, a first weighted portion and a second weighted portion, and the first weighted portion and the second weighted portion are located at two opposite ends of the handle,

wherein the first weighted portion has a cover and a receiving space, and the receiving space has a center receiving hole and a plurality of surrounding receiving holes;
said center receiving hole is configured to receive an elongated center weighted unit and the surrounding receiving holes are configured to receive one or more surrounding weighted units;
wherein the second weighted portion has a cover and a receiving space, and the receiving space has a center receiving hole and a plurality of surrounding receiving holes;
said center receiving hole is configured to receive an elongated center weighted unit and the surrounding receiving holes are configured to receive one or more surrounding weighted units, and the weight of the dumbbell can be adjusted by adding or removing the weighted units.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 16/996,660Filed 18 Aug 2020
Published: 24 Feb 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

A63B 21/075
Dumb-bells, bar-bells or the like , e.g. weight discs having an integral peripheral handle: with variable weights , e.g. weight systems with…
A63B 21/0726
Dumb-bells, bar-bells or the like , e.g. weight discs having an integral peripheral handle: dumb bells, i.e. with a central bar to be held by a…
A63B 21/0728
Dumb-bells, bar-bells or the like , e.g. weight discs having an integral peripheral handle: with means for fixing weights on bars, i.e. fixing…
A63B
Apparatus for physical training, gymnastics, swimming, climbing, or fencing