Undertaking
Patent
1983-05-20
1985-03-26
Hafer, Robert A.
Undertaking
A63B 2122, A63B 2302
Patent
active
045068852
ABSTRACT:
An exercising device 10 comprises a relatively light-weight shank 12 having a longitudinally extending handle 14 at one end thereof and a pair of relatively massy heads 16.1 and 16.2 at the other end. The heads are spaced from and disposed on opposite sides of the longitudinal axis 24 of the handle and the shank, and are connected to the shank and to one another by a relatively light-weight connecting structure 18. The moment of inertia of the head 16.1 about the axis 24 is about a third as great as that of the head 16.2.
REFERENCES:
patent: 1253700 (1918-01-01), McLaughlin
patent: 3351346 (1967-11-01), Strahan
patent: 3712652 (1973-01-01), Uilkema
patent: 3771788 (1973-11-01), Hurley et al.
Coppens Chris
Hafer Robert A.
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