SAFETY DEVICE FOR USE IN A DOCK LEVELLER, DOCK LEVELLER HAVING SUCH A SAFETY DEVICE, METHOD OF OPERATING A DOCK LEVELLER AND METHOD OF TESTING THE SAFETY DEVICE

摘要

The invention relates to safety device (11) for use in a dock leveller (10) having a deck (15) pivotally connected to a ramp (12), at least one electronically controlled valve (23) for stopping a movement of the deck (15) in response to a control signal, and at least one electronic sensor (25). For enhancing the safety device (11) such that the functionality is enhanced and/or that a testing can be performed in an effective and reliable way the electronic sensor (25) is constructed and/or arranged to detect a fall-movement of the deck (15).