Patent · US Expired

Tong-like device for opening screw-on lids

US5253552A · kind A · utility

1Cited by
7References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 8, 1991
Grant dateOct 19, 1993
Priority date
Expiry dateOct 8, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB67B7/18
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A tong-like device for opening jar lids of various sizes, having a retaining handle and an actuating handle that is swivelable on it about a bearing, a drawbar longitudinally adjustable with the retaining handle and having a clamping bracket, and retaining claws provided on the end of the retaining handle; a draw plate (24) is displaceable on the flat drawbar (11) having the clamping bracket (13) and is pressed via a compression spring against a guide wall (22) that is at right angles to the drawbar (11), in such a manner that an impingement region (26) of the draw plate rests against a pressure rib (27) of the actuating handle (1) that is swivelable about a bearing (2).

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