Treadmill with a Y-shaped yoke
US6068579A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1999 |
| Grant date | May 30, 2000 |
| Priority date | — |
| Expiry date | Apr 20, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B22/0285
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present invention discloses a treadmill apparatus having a rotatable treadmill frame which includes a right side, a left side, a front end, and a back end. The treadmill includes a lift motor which is connected to the front end of the treadmill frame. A lift arm is also included which has a first end and a second end and is connected to the lift motor. There is a "Y" shaped member having a one-pronged end and a two-pronged end. The one-pronged end is connected to the second end of the lift arm whereby the "Y" shaped lift arm is extended by a force supplied to the lift arm by the lift motor. The treadmill also includes a back axle support which has a first end and a second end and also has two attachment points. The attachment points are connected to the two-pronged end of the "Y" shaped member. The first end and second end of the back axle support are each connected to a swing arm, each swing arm being pivotly connected to the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.