Device for fixing inspection trap of roller blind casing on concrete wall of building, has fixation elements fixed on wall to support weight of device, where one element has laterally opened trap groove to receive lateral engagement of trap

摘要

The device (1) has fixation elements (10, 20) arranged on sides of a concrete wall (3). The fixation elements include a plane main wing and another plane main wing (200) that are separated by variable distance (D). The fixation elements are fixed on the wall to temporarily support the weight of the device. One of the fixation elements includes a laterally opened trap groove (110) to receive a lateral engagement of an inspection trap (2). An independent claim is also included for a roller blind casing comprising housing.