EP 0379254 A2 19900725 - Electromagnetic vibrator apparatus with adjustable elastic reaction.
Title (en)
Electromagnetic vibrator apparatus with adjustable elastic reaction.
Title (de)
Elektromagnetischer Vibrator mit einstellbarer elastischer Rückwirkung.
Title (fr)
Vibrateur électromagnétique à réaction élastique ajustable.
Publication
Application
Priority
IT 1911789 A 19890118
Abstract (en)
Electromagnetic vibrator apparatus, comprising a base (1) capable of being connected to an object to be set in vibration, an electromagnetic armature (3) integral with the base (1) and an electromagnet (4) facing the armature, and connected to the base by an elastic means (6), in which the elastic means connecting the base to the electromagnet is of constant stiffness, while between the electromagnet (4) and the base (1) there is interposed at least one adjusting unit (12), comprising elastic means (14) with adjustable prestress.
IPC 1-7
IPC 8 full level
B06B 1/04 (2006.01)
CPC (source: EP)
B06B 1/045 (2013.01)
Designated contracting state (EPC)
DE ES FR IT NL
DOCDB simple family (publication)
EP 0379254 A2 19900725; EP 0379254 A3 19910227; IT 1228480 B 19910619; IT 8919117 A0 19890118
DOCDB simple family (application)
EP 90200094 A 19900115; IT 1911789 A 19890118