Patent ID: 11448280

Abstract:
A device (1) comprises: a cylindrical shell (4); a first spring (5) encased inside the cylindrical shell (4); a second spring (6) encased inside the cylindrical shell (4); a separator (13) in the cylindrical shell (4) separating the first and second springs (5, 6); a first end plate (12) on a first side (13a) of the separator (13) and a second end plate (11) on a second side (13b) of the separator (13); a first rod (2) and a second rod (3) passing openings (20a, 20b) provided at each end of the cylindrical shell (4), with the first rod (2) connected to the first end plate (12) and the second rod (3) connected to the second end plate (11); and a spacer (14) inserted between the first end plate (12) and the first spring (5).