Self-propelled mower
US5442901A · kind A · utility
75Cited by
11References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1994 |
| Grant date | Aug 22, 1995 |
| Priority date | — |
| Expiry date | Jul 22, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D2101/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A self-propelled, battery-powered lawn mower is provided having an onboard battery and two electric motors, a blade motor for rotating a grass cutting blade and a drive motor for propelling the lawn mower along a grass surface to be cut. The blade motor is provided with a switch for regulating the operation of the blade motor and the drive motor is provided with a speed control enabling the speed of the drive motor to be controlled independently of the speed of the blade motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.