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US 2003/0144117 A1Published application
Adjustable weight exercise methods and apparatus
OwnerMark A. Krullinventor
Life of this patent
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Abstract
An exercise dumbbell system includes a handle and weight plates maintained in spaced relationship at opposite ends thereof. Weight selectors are movable laterally into and out of engagement with respective weight plates to secure them relative to the handle. Each weight plate is provided with a pathway having at least one notch that opens upward, and at least one groove that is bounded above by a lip. The selectors have respective weight engaging portions that travel along respective pathways to alternatively underlie different combinations of the weights.
Claims20
An exercise dumbbell system, comprising:
- a handle that defines a longitudinal axis;
- weight holders secured to opposite ends of the handle;
- weights sized and configured for insertion into respective weight holders, wherein the weights are provided with upwardly open notches and upwardly closed grooves that cooperate to define respective pathways on respective said weights;
- and
- weight selectors movably mounted on respective said weight holders, wherein the weight selectors include axially spaced weight engaging members that are configured to move through respective said pathways and alternatively underlie different combinations of the weights.
2 more elements
Dependencies are inferred from the claim text.