Drum support apparatus
US4561763A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 3, 1984 |
| Grant date | Dec 31, 1985 |
| Priority date | — |
| Expiry date | Aug 3, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/751
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A drum supporting hub having a tapered pot-like hub configuration comprising a bottom section and a rim, the rim comprising a plurality of circumferentially spaced resilient fingers extending at a slight incline outwardly from the axis of the pot-like hub away from the bottom section, at least three of the fingers having lips at the ends of the fingers, the lips projecting away from the axis for engagement with an end of a cylindrical drum upon insertion of the pot-like hub into the drum, the rim other than the lips having an outside diameter slightly larger than the outside diameter of the bottom. The drum supporting hub is employed in a drum assembly comprising the hub, a cylindrical drum having a circular cross-section and a shaft positioned along the axis of the drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.