Lawn mower having deck lift system with overbiasing springs
US9516809B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2014 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | Jun 26, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D34/74
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A deck lift system is adapted to permit at least the cutter deck to be raised and lowered relative to the ground so as to selectively adjust the mower's height of cut. The mower includes a deck lift system for raising and lowering the cutter deck assembly, an engine deck and the engine together as a unit. The deck lift system including at least a deck lift lever for selective operation by an operator of the mower and first and second biasing springs for at least helping raise the cutter deck assembly, engine deck, and engine. Biasing springs collectively provide sufficient biasing force so that operator of the mower has to physically push down on the deck lift lever in order to lower the cutter deck.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.