Mower suspension system and method
US7374187B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2006 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | Sep 19, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49904
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In some embodiments, the present invention provides a mower including a frame having a front portion and a rear portion, at least one front wheel coupled to the front portion of the frame, and two drive wheels on substantially opposite sides of the rear portion of the frame. Each drive wheel is coupled to the frame by a first link pivotably coupled at one end to the front portion of the frame and at an opposite end to the drive wheel, and a second link pivotably coupled at one end to the rear portion of the frame and at an opposite end to the drive wheel. The mower also includes at least one spring positioned to bias the drive wheels in a downward direction. Each of the drive wheels are movable upward and downward relative to the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.