Lawn mower and controls therefor
US4309862A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 9, 1980 |
| Grant date | Jan 12, 1982 |
| Priority date | — |
| Expiry date | Jun 9, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D2101/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A lawn mower having a housing mounted on wheels, an engine, a centrifugal clutch connected to the engine drive shaft, a cutting blade connected to the clutch, a brake connected to stop the cutting blade's rotation, a brake actuating arm connected to the brake, a spring biasing the brake arm to the set or braking position, a U-shaped handle connected to the housing and extending upward and rearward with a cross portion at its outer end, a throttle actuating arm on the engine, a control plate secured to the side of the handle, a spring biasing the throttle actuating arm toward idle and shut-off position, a throttle control line connected to a throttle actuating arm extending through a sheath to a throttle control lever on the control plate, a brake control line connected to the brake actuating arm, extending through a sheath and connecting to a brake control lever, the brake control lever and the throttle control levers being interconnected so that the brake control lever retains the throttle control lever in running position while the brake control lever is held in operating position but the throttle control lever is released to idle position when the brake control lever is released…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.