Patent · US Expired

Utility ramp

US6185775A · kind A · utility

16Cited by
15References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 1, 1999
Grant dateFeb 13, 2001
Priority date
Expiry dateDec 1, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60P1/43
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A portable ramp for providing a bridge between surfaces of different elevations. The ramp includes a unitary construction which includes a traction plate, foot section and tongue section. The foot section has one or more serrations along a curved surface. The tongue section includes a binder for increased friction at the elevated surface. A safety line and hand hold are also disclosed.

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