Roll-able dumbbells

Details Roll-able dumbbells Roll-able dumbbells

2006-03-14

2006-03-14

Donnelly, Jerome W. (Department: 3764)

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing weight resistance

C482S108000, C482S104000

Reexamination Certificate

active

07011610

ABSTRACT:
Roll-able dumbbells are disclosed. An improved roll-able dumbbell utilizing gravitation and roll-resistance is presented having a handle and a plurality of circular weights attached to its ends. Regular dumbbells are generally held in hands and lifted up and down. The improved roll-able hand weights, in addition to providing benefits of a regular dumbbell, can be held and rolled against a variety of horizontal, slanted or vertical surfaces in a multitude of body positions. Each entire circular weight, its outer segments and/or the surface layer can rotate independently in respect to the handle. In addition, rotational resistance can be influenced by the user by tightening/loosening the end caps or other means. The total weight of the improved roll-able hand weights can also be adjusted by the user, who can select proper number and combination of individual components.

REFERENCES:
patent: 1438804 (1922-12-01), Albizu
patent: 1672944 (1928-06-01), Jowett
patent: 2821394 (1958-01-01), Barbeau
patent: 3134590 (1964-05-01), Young
patent: 5004229 (1991-04-01), Lind
patent: 6837837 (2005-01-01), Nethery

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