Transmission for self-propelled walking lawn mowers
US5887484A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 1997 |
| Grant date | Mar 30, 1999 |
| Priority date | — |
| Expiry date | Mar 18, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19693
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A transmission for self-propelled walking lawn mowers, comprising: a casing 17; an input shaft 5 vertically inserted into the casing 17; an output shaft 10 extending horizontally through the casing 17; a small gear 20 fixed on the input shaft 5; a large gear 21 meshing with the small gear; a supporting shaft fixedly spporting the large gear; and first and second intermediate gears 24 and 25 mounted on the supporting shaft and the output shaft 10, respectively, wherein the input shaft 5 is arranged on the side of the. large gear facing opposite to the supporting shaft and is supported by the top and bottom walls of the casing. Accordingly, it is possible to reduce the size of the casing for self-propelled walking lawn mowers, thereby making a lawn mower compact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.