Treadmill having variable running surface suspension
US5976061A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1998 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Apr 17, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B22/0228
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A treadmill of the present invention comprises a base, a pair of spaced rollers journalled in the base, an endless belt, a longitudinally extending support deck, and a deck spacer. One of the rollers constitutes a rear roller and the other roller constitutes a forward roller spaced forward of the rear roller. The endless belt is entrained around the rollers and includes an upper reach that extends longitudinally between the rollers. The upper reach of the belt is adapted to enable a user to walk or run thereon. The support deck is connected to the base and is operatively engageable with an underside of the upper reach of the endless belt for supporting the upper reach. The deck spacer includes a deck engaging portion adapted for operatively engaging the support deck. The deck engaging portion is adapted to operate in at least a first condition and a second condition. The deck spacer is adapted to provide a first resistance to downward movement of the deck relative to the base when the deck engaging portion is in the first condition, and to provide a second resistance to downward movement of the deck relative to the base when the deck engaging portion is in the second condition. The…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.