| 摘要 |
What is described is a hatch cover, especially a roof-hatch cover for an armoured tracklaying vehicle, which, by being operated from inside after being unlocked in the closed position, can be raised above corner reflectors and subsequently rotated about a vertical pivot axis into an opening position. Between the hatch cover and the vehicle body is arranged a raising device. This comprises a spring element which opens the hatch cover about a horizontal pivot axis with a specific free passage and which is supported on a rolling element guided on a body roof wall. The raising device is arranged in a pot-shaped sleeve part formed by the supporting arm, the spring element and a piston-shaped lifting member for receiving the rolling element being guided so as to be vertically movable in the sleeve part. The spring element is held prestressed on the lifting member and is supported on a head wall of the sleeve part.
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