US 12,392,188 B2
Hinge for doors of electrical household appliances
Marco Vanini, Zola Predosa (IT); and Luca Vanini, Zola Predosa (IT)
Assigned to NUOVA STAR S.P.A., Zola Predosa (IT)
Filed by NUOVA STAR S.p.A., Zola Predosa (IT)
Filed on Jan. 17, 2023, as Appl. No. 18/155,165.
Claims priority of application No. 102022000000716 (IT), filed on Jan. 18, 2022.
Prior Publication US 2023/0228140 A1, Jul. 20, 2023
Int. Cl. E05F 1/12 (2006.01); A47L 15/42 (2006.01)
CPC E05F 1/1261 (2013.01) [A47L 15/4261 (2013.01); E05F 1/1276 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A hinge for a door of an electrical household appliance, comprising:
a first element and a second element pivoted to each other and movable relative to each other in a tilting manner, said first and second elements being fixable one to a frame of an appliance and the other to a door of the appliance, to make the door movable with respect to the frame between a closed position and an open position, said second element being made of sheet metal,
a connecting lever connecting said first and second elements, said connecting lever being pivoted on said first element,
at least one elastic element operatively connected to said connecting lever to oppose a weight force of the door during opening of the door,
the second element comprising a slot for housing said at least one elastic element, and
a device for containing and guiding said at least one elastic element configured to guide an extension/compression movement of said at least one elastic element along said slot, said slot being defined by a gap of material in the sheet metal of said second element,
wherein said device for containing and guiding comprises a slider movable within said slot and operatively connected both to said at least one elastic element and to said connecting lever;
where said slot extends longitudinally and has two opposite longitudinal edge portions, each of the two opposite longitudinal edge portions including an edge surface and smooth surfaces positioned on both sides of the edge surface, wherein the slider slidably engages with said opposite longitudinal edge portions of the slot,
wherein said slider has two respective lateral portions for engaging with the respective opposite longitudinal edge portions,
wherein said lateral portions of said slider are C-shaped;
wherein said opposite longitudinal edge portions are folded squarely to slidably engage inside said C-shaped portions of said slider;
wherein the slider engages the smooth surfaces of the opposite longitudinal edge portions and does not engage the edge surfaces.