Patent · US Expired

Serial printer having trigger mechanism

US4632581A · kind A · utility

5Cited by
8References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 1984
Grant dateDec 30, 1986
Priority date
Expiry dateNov 13, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J7/34
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A type wheel stack, a typewheel mounting shaft and a motor are arranged on a movable carriage. The type wheel arrangement is rotatable with and axially movable along the shaft. The motor is coupled to the type wheel stack through a clutch and cam mechanism to both rotate and axially shift the type wheels in order to select a desired character to be printed.

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