Undertaking
Patent
1985-12-09
1987-09-01
Apley, Richard J.
Undertaking
272 67, 272143, 272132, A63B 1300
Patent
active
046904000
ABSTRACT:
Barbells are provided having a pair of circular housings within which handles are mounted for rotational movement, and screw threads are provided that are operatively associated with the handles for varying, as desired, the degree of resistance to rotatory movement of the handles from the near-zero to locking. The housings are in members which contain connection members such that they may be joined directly to each other or may be spaced apart at desired distances, to suit the physique of the user and/or the nature of the exercise to be performed. Such barbells not only affords exercise which advantageously stresses the biceps muscles in their supinating function but also makes it possible, with one unitary set of equipment, to perform exercises which would otherwise require the employment of a few different types of special-purpose barbell equipment.
REFERENCES:
patent: 1536048 (1925-05-01), Alastalo
patent: 2819081 (1958-01-01), Touraine
patent: 3384370 (1965-03-01), Bailey et al.
patent: 4440391 (1984-04-01), Saenz, Jr. et al.
patent: 4461473 (1984-07-01), Cole
patent: 4585229 (1986-04-01), Brasher
patent: 4618143 (1986-10-01), Twardosz
Apley Richard J.
Bahr Robert W.
Poff Clifford A.
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