Patent · US Expired

Cord-type mowing machine

US4223440A · kind A · utility

8Cited by
5References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 16, 1978
Grant dateSep 23, 1980
Priority date
Expiry dateNov 16, 1998

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01D34/416
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A cord-type mowing machine comprises a rotary head in the form of a housing containing a coil of nylon cord therein. An uncoiled end portion of the cord extends downwardly through the bottom of the housing and is fixedly secured to the housing on its underside and at a point between an axis of rotation of the rotary head and the outer periphery of the housing.

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