Emergency hammer and hammer holder arrangement for use in e.g. bus, for breaking window during accident, has alarm device releasing alarm signal when connection between hammer holder and emergency hammer is separated or damaged

摘要

The arrangement has a hammer holder (3) connected with an emergency hammer (2) by a connecting unit i.e. two-wire, electric cable (6). An alarm device releases an alarm signal when the connection between hammer holder and the emergency hammer is separated or damaged. The alarm device comprises an electronic circuit arrangement that releases the alarm signal when resistance or current flow in the electric cable is changed. An acoustic signal generator e.g. piezo loud speaker (9), is provided with a tone generator for the alarm device. The holder has an indicating element e.g. LED.