Abstract: The invention relates to a mechanism for the simultaneous adjustment of gaps and/or angles for the production of a multi-level or stair structure. The mechanism is characterised in that it comprises a technical housing containing a gap-indicating rule which is provided with parallel inclined grooves and which moves diagonally on fixed transverse shafts. Said diagonal translational movement, performed by a forward-backward control element, causes the sliding of upper shafts and lower shafts that are interconnected by a series of V-shaped arms. The upper shafts slide in a gap-indicating slide and the lower shafts slide in the slide of the technical housing. The lower shafts are solidly connected to the pendulums bearing the plates, allowing the simultaneous adjustment of the gaps between the plates.

Abstract: A mechanism for simultaneous angle adjustment of support elements (4), particularly for setting up a mold structure for the steps of a straight staircase, has a casing (9) in which at least two interdependent shafts (6) are arranged. Each of the shafts (6) extends into the next shaft in a nested configuration where the successive intervals between the shafts are adjustable. Each shaft has a threaded portion (6a) traversing an internally threaded block (11) that is located in the casing and holds one of the support elements (4). A shaft (12), running parallel to the two or more shafts (6), passes through the blocks and is equipped with eccentrics (13), where each of the eccentrics (13) is respectively associated with one of the blocks (11).

Abstract: A mechanism for simultaneous angle adjustment of support elements (4), particularly for setting up a mold structure for the steps of a straight staircase, has a casing (9) in which at least two interdependent shafts (6) are arranged. Each of the shafts (6) extends into the next shaft in a nested configuration where the successive intervals between the shafts are adjustable. Each shaft has a threaded portion (6a) traversing an internally threaded block (11) that is located in the casing and holds one of the support elements (4). A shaft (12), running parallel to the two or more shafts (6), passes through the blocks and is equipped with eccentrics (13), where each of the eccentrics (13) is respectively associated with one of the blocks (11).