Patent · US Expired

Envelope opening apparatus

US5715648A · kind A · utility

9Cited by
9References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 18, 1996
Grant dateFeb 10, 1998
Priority date
Expiry dateJan 18, 2016

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB43M3/045
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

Apparatus for opening an envelope having a front panel, a back panel and a closing flap. The apparatus includes: a device for supporting the envelope in a substantially horizontal plane wherein the back panel is situated above the front panel; a pair of pivotable paddles located beneath the closing flap and the front panel, each of the paddles having an interior end and an exterior end; a pair of pivotable, hold-down fingers located above and spaced from the pivotable paddles; a device for rotating the interior ends of the paddles downward; and a device for pivoting the hold-down fingers into engagement with the paddles when the ends of the paddles are rotated downward, whereby the front and back panels of the envelope is caused to separate.

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