Patent · US Expired

Systems and methods for detecting bi-directional passage of an object via an articulated flag member arrangement

US7070181B2 · kind B2 · utility

1Cited by
10References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 2003
Grant dateJul 4, 2006
Priority date
Expiry dateJun 9, 2024

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2553/61
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

An articulated flag member arrangement detects bi-directional passage of an object. In embodiments, the articulated flag member arrangement comprises a first flag member and a second flag member wherein the first and second flag members interact with each other to detect bi-directional passage of an object, for example, using the same sensor.

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