Speaker fixing system for sound recording set, has metallic cord fixed to backside of speaker, screws fixing and supporting from backside of record set, and speaker resting on three roller-balls in its exterior part

摘要

The system has three metallic cords (1) fixed to the backside of a speaker (2). The screws (3) moving in three formed pieces (4), fixes and supports from the backside of a record set. The speaker rests on three roller-balls (6) in its exterior part. The cords (1), screw (3), formed pieces (4) allows at the time of screwing, a traction to effect a plate until an immobilization of the speaker (2) on three roller-balls (6).