Patent · US Expired

Serial printer

US4337697A · kind A · utility

3Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 27, 1979
Grant dateJul 6, 1982
Priority date
Expiry dateDec 27, 1999

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J9/08
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A printer for printing function symbols and numerals, characterized by comprising a type wheel for printing numerals which can rotate with a rotary shaft and which can move in the axial direction of the rotary shaft, a type wheel for printing function symbols which can rotate with the rotary shaft and which can move in the axial direction of the rotary shaft, and a print hammer whose printing face is provided with a groove and which is arranged in opposition to the type wheels, so that when either one of the type wheels lies in a printing position, the other type wheel is confronted to the groove of the printing face.

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