Patent · US Expired

Two stage gripping apparatus and method for strapping machine

US5657612A · kind A · utility

6Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 1995
Grant dateAug 19, 1997
Priority date
Expiry dateDec 15, 2015

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65B13/18
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

In a strapping machine, a device for applying various levels of gripping force to a leading end of a strap during various phases of a strapping cycle is disclosed. A cam having high pressure, reduced pressure, and released pressure surfaces cooperates with an end gripper to grip a strap firmly, loosely, or not at all, depending on the requirements.

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