Global Patent Index - EP 0401881 B1

EP 0401881 B1 19930915 - NEEDLE PRINTHEAD WITH DRIVING AND RETURN FLAP ARMATURE ELECTROMAGNETS

Title (en)

NEEDLE PRINTHEAD WITH DRIVING AND RETURN FLAP ARMATURE ELECTROMAGNETS

Publication

EP 0401881 B1 19930915 (DE)

Application

EP 90115152 A 19880507

Priority

  • EP 90115152 A 19880507
  • DE 3715304 A 19870508

Abstract (en)

[origin: EP0401881A2] A needle print head with armature electromagnets (3, 4, 5) which are arranged in an annular arrangement in a metal body (1). The armature (5) is mounted so as to be swivellable in a spacer (70, 71, 71A) and electromagnets (3, 4; 3A, 4A) are arranged in mirror image on both sides of the armature (5), of which electromagnets one serves in each case as return electromagnet. An actuation switch for the attraction and return electromagnets (3, 4; 3A, 4A) is disclosed. High print accuracy and speed are achieved. <IMAGE>

IPC 1-7

B41J 2/275; B41J 9/24

IPC 8 full level

B41J 2/275 (2006.01); B41J 9/24 (2006.01)

CPC (source: EP)

B41J 2/275 (2013.01); B41J 9/24 (2013.01)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0401881 A2 19901212; EP 0401881 A3 19910206; EP 0401881 B1 19930915; AT E94470 T1 19931015

DOCDB simple family (application)

EP 90115152 A 19880507; AT 90115152 T 19880507