| 摘要 |
METHOD AND DEVICE FOR LOWERING A SHUTTERING OR PROTECTIVE ELEMENT The invention relates to a method and a device for lowering a shuttering or protective element (6) when working on buildings, wherein the shuttering or protective element (6) is connected via a carrier (5) to a guide and retaining device (2) fastened to a building part wherein the carrier (5) comprises a plurality of engaging elements (5') arranged spaced apart from one another in the direction of longitudinal extension of the carrier (5) and the guide and retaining device (2) has a receiving unit (4) with a retaining element (7), wherein the carrier (5) is raised substantially in a vertical direction from an initial position in which the retaining element (7) is in engagement with a first engaging element (5') of the carrier (5), wherein during the lifting the retaining element (7) is temporarily moved into an inactive position by means of a control device (14) in which inactive position the carrier (5) is lowered beyond its initial position and the retaining element (7) is then moved back into an active position by means of the control device (14) so that during the lowering of the carrier (5) a second engaging element (5') of the carrier (5) comes into engagement with the retaining element (7) of the receiving unit (4) and a pull/push rod provided as control device (14). 13' 5' 10' [ 6 10' Fig. 1 |
