Camcorder actuated treatment device for treating a camcorder head

A treatment device for treating a component in a camcorder unit, or a playback and or recording unit of the type hereinbefore described, the treatment device comprising

• a housing for engaging in a cassette receiving area of the unit,
• a treating means for treating the component in the unit,
• a carrier arm mounted in the housing for carrying the treating means, the carrier arm being moveable between a rest position adjacent the housing, and a treating position whereby the treating means is co-operable with the component to be treated for treating thereof,
• main retaining means comprising a retaining latch mounted in the housing for retaining the carrier arm in the rest position, the retaining latch being operable between a retaining condition for retaining the carrier arm in the rest position, and a release condition whereby the retaining latch is released for permitting movement of the carrier arm to the treating position,
• a mounting means on the retaining latch for mounting the retaining latch in the housing, and
• an engagement means on the retaining latch for engaging an element in the cassette receiving area, the engagement means being responsive to engagement with the element for operating the retaining latch from the retaining condition to the release condition as the housing is being engaged in the cassette receiving area.