Inclining tread apparatus
US6730002B2 · kind B2 · utility
137Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2001 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | Dec 27, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B22/0242
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An improved lift apparatus for use in an exercise device having a support base and a moveable element is disclosed. The moveable element can be selectively raised and lowered relative to the support base by the user during operation of the exercise device. The improved lift apparatus includes: (i) a first lift motor; (ii) a second lift motor; and (iii) a synchronization mechanism for synchronizing the first and second lift motors. A belt safety mechanism for controlling unanticipated movement of the endless belt is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.