Patent · US Expired

Roller support for load handling devices

US4446977A · kind A · utility

7Cited by
14References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 31, 1981
Grant dateMay 8, 1984
Priority date
Expiry dateMar 31, 2001

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C2326/00
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A rotary load handling device including a frame structure having an arcuate roller rail mounted on the upper surface, a roller ring having a set of concentric ring members and a plurality of double flanged wheels connected therebetween disposed on the arcuate roller rail, and an upper arcuate roller rail secured to the underside of a plate having a load handling unit mounted on the upperside of the plate whereby the upper arcuate roller rail is disposed on the roller ring and rotatable relative to the frame structure.

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