Apparatus for attaching hammers to a hammer mill
US7419109B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2006 |
| Grant date | Sep 2, 2008 |
| Priority date | — |
| Expiry date | Dec 1, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB02C13/28
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for mounting hammers to a hammer mill having at least one hammer provided for attachment to a hammer mill, the at least one hammer having an opening disposed in one end thereof corresponding to a pivot axis, the opening being of a first diameter. A sleeve having a central opening therein is operatively attached to the hammer mill, the sleeve being disposed in the opening in the one end of the at least one hammer. The sleeve has a first cylindrical outer surface with a second diameter, the second diameter being only slightly smaller than the first diameter of the opening in one end of the at least one hammer. The sleeve has a second cylindrical outer surface with a third diameter, the third diameter being larger than said second diameter. A shoulder on the sleeve extends from the second cylindrical outer surface to the third cylindrical outer surface. An annular groove is disposed in the first cylindrical outer surface. A snap ring is selectively disposed in the annular groove, the snap ring having an outer diameter which is larger than the second diameter, whereby the at least one hammer will be disposed between the shoulder and the snap ring. A second embodiment uses …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.