Replaceable plastic trolley wheel and method
US5156533A · kind A · utility
Inventors
Key dates
| Filing date | Oct 3, 1986 |
| Grant date | Oct 20, 1992 |
| Priority date | — |
| Expiry date | Oct 3, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C13/006
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A trolley wheel assembly (10,100) includes a wheel member (18,118) and a support pin (12) defining an axis of rotation. A mounting sleeve 922,122) is fixedly secured about the support pin (12). Bearing sleeve halves (30,32,130,132) are disposed about the mounting sleeve (22,122) for allowing rotation of the wheel member (18,118) about the axis of rotation. Further, a method of replacing a worn trolley wheel includes the steps of removing the worn trolley wheel from the support pin (12), mounting a bearing sleeve 926,126) over a mounting sleeve (22,122) for allowing rotation of the wheel member 918,118) relative to the axis of rotation when the mounting sleeve (22) is mounted on the support pin (12), and mounting an unworn wheel member (18) about the bearing sleeve (26) for rotation relative thereto, and fixedly securing the mounting sleeve (22) about the support pin (12).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.