Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Patent
1999-09-22
2000-05-30
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
482146, A63B 2204
Patent
active
060685778
ABSTRACT:
A jump exerciser includes a base having a mounting portion. A swivel seat includes a first end pivotally connected to the mounting portion. A footboard is rotatably mounted to the second end of the swivel seat. An elastic device has a first end pivotally connected to a mediate portion of the swivel seat and a second end pivotally connected to the mounting portion. A latch is provided to retain the footboard in place during jumping exercise. The latch is released to allow the user to stand on the footboard and twist his/her waist.
REFERENCES:
patent: 5004224 (1991-04-01), Wang
patent: 5304106 (1994-04-01), Gresko
patent: 5320588 (1994-06-01), Wanzer et al.
patent: 5527253 (1996-06-01), Wilkinson et al.
patent: 5632711 (1997-05-01), Hwang
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