Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Patent
1992-03-10
1994-06-07
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
482142, A63B 2204, A63B 2600
Patent
active
053184890
ABSTRACT:
An adjustable stepping structure for aerobic exercises comprising a platform upon which the participant places his or her feet, the platform being elevated above a support surface by means of one or more support elements which are capable of being detachably stacked upon each other until the platform is maintained at a selected distance above the support surface, depending upon the skill and physical characteristics of the participant.
REFERENCES:
patent: 3630157 (1971-12-01), Ortenblad
patent: 4203525 (1980-05-01), Okubu
patent: 4678234 (1987-07-01), Wilson
patent: 4826158 (1989-05-01), Fields
patent: 5158512 (1992-10-01), Irwin et al.
Photograph and Description of Vaulting Box.
Crow Stephen R.
Needle William H.
The Step Company
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