Patent ID: 11859735
Assignee: F.LLI RIGHINI S.R.L.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  E | IPC E  F

Claim 16:
17. Device (1) designed for axially blocking an axial-symmetrical body (CA) through the application of a radial force; said device (1) comprising:
a support (10) of given angular extension, provided with a plurality of laminar bodies (20) extending longitudinally in a given direction (D);
at least one elongated member (30)(30′) housed at least partially in a seat (32)(32′) of said support (10) that extends along an axis (A)(A′) parallel to said given direction (D); each said elongated member (30)(30′) being housed in said respective seat (32, 32′) rotatably around said axis (A)(A′);
wherein each said elongated member (30)(30′) is rotoidally coupled to said support (10) through a pair of heads (45), wherein one head (45) is disposed above one respective laminar body (20) and the other head (45) is disposed below the one respective laminar body (20); and
a centring unit (34) that is configured to allow each said elongated member (30)(30′) to couple by friction in an angularly fixed manner to the corresponding said seat (32)(32′) under the thrust of a radial force exceeding a minimum threshold value, the centring unit (34) including a first pin (35) that passes through the one head (45) and is coupled to said elongated member (30)(30′) and a second pin (35) that passes through the other head (45) and is coupled to said elongated member (30)(30′) to rotoidally couple said elongated member (30)(30′) to said other head (45), the centring unit (34) further including first and second elastic toroidal interfaces (36) that surround the first pin (35) and the second pin (35) respectively.