Variable weight dumbbell

Details Variable weight dumbbell Variable weight dumbbell

1994-05-06

1995-11-07

Reichard, Lynne A.

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing weight resistance

482106, A63B 21075

Patent

active

054643791

ABSTRACT:
The invention is a singular or plurality of variable weight, thread-socketed dumbbell system comprising a one-piece dumbbell and a plurality of removable attachable insert weights. The one-piece dumbbell comprises a handle bar fixedly attached to a pair of end-weights at opposing ends of the handle bar. Each end-weight may have one (1) to three (3) axially-aligned, inwardly-opening, threaded sockets. Each insert weight may be a disc-shaped weight having a protruding, threaded member. The insert weights are capable of removable attaching to the socketed end-weights. The invention further includes a singular or plurality of variable weight, lock-socketed, dumbbell structures comprising a one-piece dumbbell and a plurality of insert weights.

REFERENCES:
patent: 1536048 (1925-05-01), Alastalo
patent: 1991520 (1935-02-01), Postl
patent: 4076236 (1978-02-01), Ionel
patent: 4566690 (1986-01-01), Schook
patent: 4681315 (1987-07-01), Yang
patent: 4722523 (1988-02-01), Yang
patent: 4913422 (1990-04-01), Elmore et al.
patent: 5033740 (1991-07-01), Schwartz et al.
patent: 5040787 (1991-08-01), Brotman
patent: 5090693 (1992-02-01), Liang
Vlier, '94 Pocket Catalog & Product Information Guide; Cover page, pp. 1-8 and 40-41.

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