RATSCHENARTIGES AUSGABEGERAET FUER ZAHNAERZTLICHE MATERIALIEN.

摘要

The ratchet (32) is activated by a drive pawl (34) and is prevented from returning by a detent pawl (64). The drive pawl and detent pawl are activated by the same lever arm (28). The lever arm is positioned over the opening (26) of an elongated hollow housing (22) having a nozzle receiver (24) at the front end thereof.