Patent · US Expired

Spool having an extractor bar

US7128291B1 · kind B1 · utility

7Cited by
22References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 2004
Grant dateOct 31, 2006
Priority date
Expiry dateJul 6, 2024

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H19/305
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A spool suitable for winding material thereon includes an axially extending body having a proximal end and a distal end joined by an outer surface. An extractor bar is mounted for slidable movement relative to the body for urging material wound onto the body toward the body distal end.

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