Patent · US Expired

Lawn mower with vertical adjustment

US5398489A · kind A · utility

18Cited by
7References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 27, 1992
Grant dateMar 21, 1995
Priority date
Expiry dateOct 27, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01D2101/00
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A walking operator type lawn mower including front wheels, rear wheels and a frame assembly having a forward portion supported by the front wheels and a rearward portion supported by the rear wheels is disclosed. The mower includes a steering handle and a mower deck mounted between the front wheels and rear wheels. The motor deck includes a motor section mounted in an upper portion thereof and cutting blades mounted in a lower portion thereof. The frame assembly includes a right side frame and a left side frame having lower ends thereof lying close to the ground surface. The steering handle extends upwardly from the frame assembly. The mower deck is mounted between the right and left side frames. The mower deck is vertically movable through a link mechanism which has one end thereof connected to the frame assembly and the other end connected to the mower deck. The right and left side frames have lower ends disposed at a fixed distance to the ground surface regardless of the vertical movement of the mower deck.

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