IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
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| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0789789
(1991-11-08)
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발명자
/ 주소 |
- Potts Lanny L. (Tulsa OK)
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| 출원인 / 주소 |
- Stairmaster Sports/Medical Products, Inc. (Tulsa OK 02)
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| 인용정보 |
피인용 횟수 :
50 인용 특허 :
0 |
초록
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An exercise apparatus that simulates stair-climbing for a user. The apparatus includes a frame having a base, and a plate on the frame perpendicular to the base. A right pedal and a left pedal are on opposite sides of the plate. A drive system assembly on the plate has a right pedal sprocket, a left
An exercise apparatus that simulates stair-climbing for a user. The apparatus includes a frame having a base, and a plate on the frame perpendicular to the base. A right pedal and a left pedal are on opposite sides of the plate. A drive system assembly on the plate has a right pedal sprocket, a left pedal sprocket, and a drive sprocket, wherein the right sprocket or left sprocket turn the drive sprocket in one direction only and the right and left sprockets are free to overrun in the opposite direction. The right pedal oscillates between an upper position at rest and a lower, rearward position under the weight of the user and drivingly engages the right pedal sprocket. The left pedal, operating independently of the right pedal, oscillates between an upper position at rest and a lower, rearward position under the weight of the user and drivingly engages the left pedal sprocket. A speed increasing transmission has an input and an output. A continuous chain drivingly engages the drive sprocket and the transmission input. A continuous belt engages the transmission output and an alternator which acts as a dynamic brake. A load resistor connected to the alternator is capable of absorbing the electrical energy output of the alternator. An alternator control and monitor is provided.
대표청구항
▼
An exercise apparatus that simulates stairclimbing for a user, which comprises: (a) a frame having a base; (b) a right pedal and a left pedal, movable with respect to said frame; (c) drive system assembly means for summing motion into continuous and fluid rotary motion, said drive system assembl
An exercise apparatus that simulates stairclimbing for a user, which comprises: (a) a frame having a base; (b) a right pedal and a left pedal, movable with respect to said frame; (c) drive system assembly means for summing motion into continuous and fluid rotary motion, said drive system assembly means having a right pedal sprocket, a left pedal sprocket, and a drive means, wherein said drive means is driven by either said right sprocket or said left sprocket in one direction only and said right and left sprockets are free to overrun in the opposite direction; (d) independently operating right pedal means and left pedal means, wherein said right pedal means oscillates said right pedal to provide motion of said right pedal which is a reciprocating motion, with respect to said base, between an upper position at rest and a lower, rearward position under the weight of the user, and drivingly engages said right pedal sprocket, and wherein said left pedal means oscillates said left pedal to provide motion of said left pedal which is a reciprocating motion, with respect to said base, between an upper position at rest and a lower, rearward position under the weight of the user, and drivingly engages said left pedal sprocket; (e) speed increasing transmission means having an input and an output; (f) means for engaging said drive means and said transmission means input; (g) dynamic brake means for dissipating work of the user in the form of heat; (h) means for engaging said transmission output and said dynamic brake means; (i) means for controlling and monitoring the speed of said pedal means; wherein said independently operating right pedal means and left pedal means comprises: (j) a right pedal arm and a left pedal arm, said right pedal arm pivotally attached at one end to said right pedal, and said left pedal arm pivotally attached at one end to said left pedal; (k) a right support arm and a left support arm, said right support arm parallel to said right pedal arm and pivotally attached at one end to said right pedal, and said left support arm parallel to said left pedal arm and pivotally attached at one end to said left pedal; (l) a right pulley wheel and a left pulley wheel, said right pulley wheel and left pulley wheel rotatably mounted with respect to said frame; (m) a right pedal chain and a left pedal chain, said right pedal chain attached at one end to said right support arm and made to engage said right pedal sprocket and said left pedal chain attached at one end to said left support arm and made to engage said left pedal sprocket; and (n) right spring means and left spring means, said right spring means attached at one end to the other end of said right pedal chain, the other end of said right spring means being attached in a fixed position with respect to said frame and said left spring means attached at one end to the other end of said left pedal chain, the other end of said left spring means being attached in a fixed position with respect to said frame.
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