Patent · US Expired

Plastic moldboards for snow plows and the like

US4803790A · kind A · utility

41Cited by
2References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 28, 1988
Grant dateFeb 14, 1989
Priority date
Expiry dateMar 28, 2008

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE01H5/061
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An improved blade for a snow plow is provided. The blade includes an inwardly curved, polyethylene moldboard which is secured in a prestressed and arcuate relationship to a structural frame. The frame includes inwardly curved, vertically extending, transversely spaced brace members and a defined space of predetermined shape exists between the moldboard and the braces for improved snow removal by the blade.

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