Patent · US Expired

Variable vibratory mechanism

US6637280B2 · kind B2 · utility

14Cited by
17References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 31, 2001
Grant dateOct 28, 2003
Priority date
Expiry dateJan 2, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/18552
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A vibratory mechanism is provided with first and second motors connected to first and second eccentric weights. One of the first and second motors is operable to change a phase difference between the first and second eccentric weights to change a vibration amplitude.

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