Gallo, Luca

A rocking support device for the seat of a chair, comprising a support body (2) having a lower face (21), designed to be mounted on a support structure (100) of a chair (10), and an opposite upper face (22). The device (1) further comprises a movable plate (3), which is intended to be secured to a seat (101) of the chair (100), and is pivotally mounted on the upper face (22) of the support body (2) about a rotation fulcrum (F), to allow relative movement between the movable plate (3) and the support body (2). The device (1) further comprises elastic means (4), which are mechanically interposed between the upper face (22) of the support body (2) and the movable plate (3), and are configured to deform elastically as a result of the movement of the movable plate (3) about the rotation fulcrum (F).The elastic means (4) comprise at least four flexible arms (41), wherein each flexible arm (41) extends outwardly from a first end (41'), secured to the upper face (22) of the support body (2), to a second end (41"), opposite the first end (41'), which elastically supports the movable plate (3). The flexible arms (41) are configured to deform elastically under bending, as a result of the movement of the movable plate (3) about the rotation fulcrum (F).

Chair for the sitting of a user, comprising a support structure (2) designed to rest on the ground, a seat (3) mounted on the support structure (2), a back (4), which is hinged to the seat (3) around a first rotation axis (R) between a substantially vertical rest position (A) and at least one reclined position (B), and a blocking device (5), mounted on the seat (3). The blocking device (5) comprises a first element (51), rotatably mounted on the seat (3) and rotatable by a user about a second rotation axis (T) orthogonal to the first rotation axis (R), a second element (52), slidably mounted on the seat (3) and movable along a movement direction (X), orthogonal to the first rotation axis (R) and the second rotation axis (T), between a locking position, in which it locks the rotation of the back (4) about the first rotation axis (R), and an unlocking position, in which it allows the rotation of the back (4) about the first rotation axis (R), and transmission means (53), which are mechanically connected to the first element (51) and the second element (52), and are configured to move the second element (52) along the movement direction (X), between the locked position and the unlocked position, following the rotation of the first element (51) around the second rotation axis (T). The transmission means (53) comprise an elastically yielding elbow portion (54), which is configured to flex elastically following the rotation of the first element (51) about the second rotation axis (T), and to move the second element (52) along the movement direction (X).

Sorting machine (1) comprising at least one conveyor (2) provided with a conveying surface (22) on which articles (100) to be sorted are susceptible to be placed to be transported toward a release end (21) at which they are released in free fall along a fall trajectory (TC). The machine (1) further comprises expulsion means (3) actuatable to intercept said fall trajectory (TC) to remove certain articles (100), detection means (4) provided with at least one optical sensor (41) arranged to detect the articles (100) and to generate corresponding first detection signals (SR1), and electronic control means (5) operatively connected to the detection means (4) and the expulsion means (3). The detection means (4) further comprise at least one distance sensor (6), which is directed toward the fall trajectory (TC) and is configured to detect the articles (100) along the fall trajectory (TC) and to generate corresponding second detection signals (SR2). The electronic control means (5) are operatively connected to the distance sensor (6) and are arranged to control the expulsion means (3) based on the second detection signals (SR2) and the first detection signals (SR1).

Chair comprising a support structure, a seat with an upper face and a lower face, a flexible covering element, a flexible tensioning element and a traction element, which is rotatable in a tensioning sense and is provided with a perimeter toothing. The seat comprises a flexible blocking lever, which extends in a single piece from a first end, connected to the lower face, to a second free end, at which point the blocking lever is provided with a coupling portion. The first end of the blocking lever defines a rotation pivot, and the blocking lever is elastically movable around the rotation pivot between an engagement position, in which the coupling portion engages the perimeter toothing to prevent the rotation of the traction element in a direction opposite to the tensioning sense, and a release position, in which is allowed the free rotation of the traction element in the tensioning sense.

Is described a sliding skid which can be coupled to a foot of a rib supporting a covering tarpaulin, the rib being movable by a traction rope to slide on a side of the body, the skid comprising in use: - a block defining a lateral cavity shaped to accommodate the foot of the rib; and - a guiding member connected to the block and comprising a tunnel between whose walls the rope can be inserted without coming out of the tunnel. To facilitate maintenance, the tunnel has walls that can be spaced apart to free one side of the tunnel and allow the rope to be inserted into or removed from the tunnel.

A method for treating waste water, comprising a step of providing waste water (Vr) to be treated, comprising at least one organic pollutant compound (C), and a step of addition of an alkaline reagent (Ra) to the waste water (Vr) to degrade the organic pollutant compound (C) and obtain alkalinized waste water (Va).Furthermore, the method comprises a maturation step of the alkalinized waste water (Va), in which the modified molecules (MM) coagulate to obtain mature waste water (Vm). The latter contains at least one flocculation (F) and ammonia (NH₃) and/or a precursor thereof.Furthermore, the method comprises a recovery step, in which at least part of the ammonia (NH₃) is removed from the mature waste water (Vm) and/or from a derivative thereof. Furthermore, at least a fraction of the recovered ammonia (NH₃) and/or a derivative thereof is reintroduced into the waste water (Vr) as an alkaline reagent (Ra).

A sliding skid is described which can be coupled to a foot of a rib supporting a covering tarpaulin, the rib being movable by a traction rope to slide, for example, on opposite sides of an open-top container, the skid comprising, in use, a foot block formed by a first and second element, that can be assembled to delimit a cavity shaped to accommodate the foot of the spar. To simplify maintenance, the first element comprises a first portion with a first surface and the second element comprises a second portion with a second surface, and the first and second portions can be inserted into each other by sliding relative to each other along an axis X to stably connect the first and second elements, preventing them from detaching thanks to the first surface 56′ abutting against the second surface.

A sliding skid is described for a rib foot suitable for supporting a covering tarpaulin, the rib being movable by a traction rope to slide, the skid comprising in use: - a block defining a cavity shaped to accommodate the foot of the rib; - a guide element connected to the block and equipped with at least one tunnel into which the rope can be inserted; - a sliding member mounted under the block and serving as its base, for sliding along the edge. To facilitate maintenance, the block comprises a first portion and the sliding member comprises a second portion, the first and second portions being shaped so that they can be coupled by sliding relative to each other along an axis, fitting into each other in order to stably connect the block and the sliding member, preventing them from becoming detached.

Tap for liquid containers, comprising a support body (2) defining a dispensing channel (20), valve means (3), which comprise a shutter (3), slidably mounted in the support body (2) and movable between a first position, in which it prevents the passage of liquid, and a second position, in which it allows the passage of liquid. The tap (1) also comprises actuating means (4), mounted on the support body (2) and comprising two opening flaps (41), mechanically connected to the shutter (3) and operable along an actuation direction (Y), to move the shutter (3) between the first position and the second position, and locking means (5), which comprise a main body (50) and two locking elements (51), arranged in correspondence with a respective opening flap (41), which have a rodshaped development and extend between two opposite ends (51', 51"), which are connected to the main body (50) by means of respective first hinge portions (52), which are tapered. Each locking element (51) is movable, following the deformation of the respective two hinge portions (52), between a locking position (A), in which the locking element (51) has a concavity that faces in the opposite direction to the respective opening flap (41) and opposes the movement of the opening flap (41), and an unlocking position (B), in which the aforementioned concavity faces in the opposite direction, towards the respective opening flap (41), and the locking elements (51) allow the opening flap (41) to move freely along the actuation direction (Y).

Electric energy generation and storage plant (100), comprising an electrical user (200), an electric power generator (10) from renewable sources, and a hydrogen generator (20) configured to produce hydrogen and oxygen in gaseous form by electrolysis using water and at least part of the electric power produced by the electric power generator (10). The plant (100) further comprises a storage device (30) connected to the hydrogen generator (20) to store at least part of the hydrogen produced by the hydrogen generator (20), and a fuel cell (40) connected to the storage device (30) to produce electric power using hydrogen stored in the storage device (30). The plant (100) further comprises an electrical energy storage device (50) electrically connected to the electric power generator (10) and the fuel cell (40) to receive electric power from at least one of them. The plant (100) further comprises an electrical energy conversion device (80) electrically connected to the electrical user (200), the electric power generator (10), and the electrical energy storage device (50). The plant (100) further comprises at least one control module (60) operatively connected to the fuel cell (40), the electrical energy storage device (50), and the electrical energy conversion device (80), and configured to control the charging of the electrical energy storage device (50) by means of the fuel cell (40) when below a minimum stored energy threshold of the electrical energy storage device (50).