Patent · US Expired

Lawn mower and controls therefor

US4428180A · kind A · utility

44Cited by
13References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 19, 1982
Grant dateJan 31, 1984
Priority date
Expiry dateMay 19, 2002

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 cutting blade, 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, an actuating arm on the engine, a control housing secured to the side of the handle, a spring biasing the actuating arm toward stopped position, a control line connected to actuating arm extending through a sheath to a control lever in the control housing, a deadman lever in the control housing, the control lever and the deadman levers being interconnected so that the deadman lever retains the control lever in running position while the deadman lever is held in operating position but the control lever is released to stop position when the deadman lever is released.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.