| 主权项 |
1. Freezer (1), in particular for providing ultra low temperatures, having a casing device (2), which encases the inner volume (30) of the freezer and which has a door member (3), which, in a closed position of the door member, closes the inner volume and which, in an opened position, allows for accessing the inner volume,
a ventilation device (7, 7a, 7b, 8, 9), which is configured to at least temporarily connect the inner volume with the surroundings (40) of the casing device (2) by a vent channel (8), which may become blocked by frozen material (20), a breaker element (9), which is movably arranged at the vent channel (8) to break the frozen material (20) by a breaking movement, when the breaker element (9) is moved from a first breaker position, where the frozen material may block the vent channel (8), to a second breaker position, whereby the frozen material may be removed by the breaker element to unblock the vent channel, a handle device (4; 4a, 4b, 4c, 4d, 6) for closing and opening the door member (3), wherein the freezer is configured to effect said breaking movement by an operation of the handle device. |
