Ball transfer unit
US5516211A · kind A · utility
13Cited by
15References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1995 |
| Grant date | May 14, 1996 |
| Priority date | — |
| Expiry date | Jul 28, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2326/58
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A ball transfer unit for use in a conveyor track for material handling applications, such as the movement and handling of freight, comprising a housing which contains a conveyor ball supported by the surface of a plurality of ball bearings. The ball transfer unit also comprises a floating annular seal such that the seal is continuously biased against the conveyor ball to prevent the introduction of fluids, contaminants, and harmful chemicals into the race of the ball transfer unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.