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Supporting stay for use in movement device of formwork platform of slab and/or balcony in building, has support head and connection elements arranged, so that head cooperates with elements and jack ensures sliding movement of elements
Supporting stay for use in movement device of formwork platform of slab and/or balcony in building, has support head and connection elements arranged, so that head cooperates with elements and jack ensures sliding movement of elements
The stay has a fixed base plate (10), and upper and intermediate sliding elements (11, 12) encased into each other in a telescopic manner according to an axial direction between folded and deployed positions. Sliding movement of the elements is assured by a jack (20). A stem (21) of the jack is equipped with a support head (211) cooperating with connection elements (51, 52) of the sliding elements. The head and the connection elements are arranged, so that the support head cooperates successively with each of the connection elements and the jack ensures the sliding movement. Independent claims are also included for the following: (1) a device for moving a formwork platform of a slab and/or balcony (2) a method for deploying a stay (3) a method for moving a formwork platform.
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