Patent · US Expired

Pneumatically operated thread cutter

US4672902A · kind A · utility

7Cited by
5References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 21, 1986
Grant dateJun 16, 1987
Priority date
Expiry dateJul 21, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/8805
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A pneumatically operated thread cutter includes a cutter housing with a stationary blade and a movable blade which is moved by a pneumatic motor. A cutter housing has a chamber in which the movable blade is disposed and which is connected to a venturi mechanism which is receptive of a high pressure air input for creating a suction in the cutting housing chamber to draw a loose thread into the blades for cutting same.

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