Patent · US Expired

Tearing tool

US6840421B2 · kind B2 · utility

1Cited by
17References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 7, 2001
Grant dateJan 11, 2005
Priority date
Expiry dateApr 16, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T225/371
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A tool is provided that has a grasper adapted to selectively grasp a tearable medium, a conveyer adapted to selectively move the grasper along an axis to move the tearable medium against a tear-off edge to sever the tearable medium, and a controller adapted to transmit a first signal for instructing the conveyer to move the grasper and a second signal for instructing the grasper to grasp the tearable medium.

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