EP 0818241 B1 20011017 - Document shredder
Title (en)
Document shredder
Title (de)
Dokumentenvernichter
Title (fr)
Déchiqueteur de documents
Publication
Application
Priority
DE 19627599 A 19960709
Abstract (en)
[origin: EP0818241A1] The document shredder has a cutting mechanism (12) driven by an electric motor (21), with a light beam switch (18,20) for the electric motor operated by the shredded material (15). The switch is coupled to a variable delay circuit (27) containing a phase detector (26), for operation of an electronic switch element (23) in the electric motor current supply circuit in synchronism with the mains voltage zero transition, for automatic cut-out of the motor.
IPC 1-7
IPC 8 full level
B02C 18/00 (2006.01); B02C 18/24 (2006.01)
CPC (source: EP)
B02C 18/0007 (2013.01); B02C 18/24 (2013.01); B02C 2018/0023 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0818241 A1 19980114; EP 0818241 B1 20011017; DE 19627599 A1 19980115; DE 59704928 D1 20011122
DOCDB simple family (application)
EP 97110711 A 19970701; DE 19627599 A 19960709; DE 59704928 T 19970701