Patent · US Expired

Two-stage returning mechanism

US5118023A · kind A · utility

37Cited by
10References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 1991
Grant dateJun 2, 1992
Priority date
Expiry dateJan 23, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25C1/06
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A mechanism for returning a hammer of an electrically-operated tacker from the tack-driving position to the starting position, in two stages, includes first and second hammer-returning elements and a rotating element for returning the hammer to the starting position.

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