Национальный Университет Кораблестроения Имени Адмирала Макарова
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A metal shock absorber has upper and lower support thickened plates and two thin-wall arc-like elastic elements with vertical cuts that are rigidly connected to the support plates. The cuts are arranged with variable width to provide three plate hinges simultaneously. The upper support plate near the corners includes four round openings in which prismatic rods are placed, those are tightly connected to the support plate. The lower support plate has four through openings that coincide with the openings and rods of the upper support plate. Diameter of the openings is larger than diameter of the rods by 5...10 %. The rods can have free length larger than the gap between the plates by thickness of the lower plate.
Parking place indicator panel formed by a vertical cylinder with front visor near the upper end with decreasing sides to the front; rectangular landscape prismatic screen lower, beveled edges and lower, vertical rectangular panel; The lower base has four triangular vertical plates.
Rack for the barrel of two parallel longitudinal rectangular plates with two rectangular interior openings and larger edges with a rectangular central cut between two concaves; four horizontal cross-section plates, the external ones with notched edges, upper inverted trapecial and lower trapecial.