Patent · US Expired

Hammer for a material size reduction machine

US7325761B2 · kind B2 · utility

33Cited by
12References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 18, 2004
Grant dateFeb 5, 2008
Priority date
Expiry dateNov 9, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB02C2013/2808
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A hammer 28 is provided for a material size-reducing machine of the type including a rotor on which the hammer is individually pivotally mounted. The hammer 28 includes a mounting end 36 having a throughbore for receiving a pivot pin therethrough in connection with the pivot mounting of the hammer on the rotor, an extending portion 40 with the center of mass CGM located therein. The extending portion has a non-linear body portion 44 and a linear body portion 46 with the linear body portion 46 being inclined in a direction opposite to the rotation direction at an angle between 5 to 45 degrees as measured relative to a line RFL extending through the center of the pivot pin and the center of mass CGM of the hammer.

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