US 11,813,739 B2
Robot arm, robot having a robotic arm and packaging apparatus
Rossana Borgese, Parma (IT); Alessandro Tasora, Parma (IT); Dario Fusai, Parma (IT); and Matteo Pambianchi, Parma (IT)
Assigned to SIDEL PARTICIPATIONS, Octeville-sur-mer (FR)
Filed by SIDEL PARTICIPATIONS, Octeville-sur-Mer (FR)
Filed on Aug. 1, 2022, as Appl. No. 17/878,881.
Claims priority of application No. 21189008 (EP), filed on Aug. 2, 2021.
Prior Publication US 2023/0036269 A1, Feb. 2, 2023
Int. Cl. B25J 17/00 (2006.01); B25J 17/02 (2006.01); B25J 21/00 (2006.01)
CPC B25J 17/0241 (2013.01) [B25J 17/00 (2013.01); B25J 21/005 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A robotic arm (20), comprising:
a first arm portion (21);
a second arm portion (22), the robotic arm (20) being configured so that the second arm portion (22) can be subjected to an axial movement with respect to the first arm portion (21) and along an axis (X), between a first axial position, in which the first arm portion (21) and the second arm portion (22) are mutually spaced from each other along said axis (X), and a second axial position, in which a first end (28) of the first arm portion (21) and a second end (29) of the second arm portion (22) are axially in mutual contact to define a housing (25);
a head (26) which is supported by said first arm portion (21), the robotic arm (20) being configured so that the head (26) is rotatable with respect to the first arm portion (21) and around said axis (X);
a robotic joint (23);
wherein:
the robotic arm (20) is configured so that the second arm portion (22), when adopting said second axial position, can be subjected to a relative angular movement with respect to the first arm portion (21) and around said axis (X), between a first angular position and a second angular position;
the joint (23) is configured for adopting an operative condition, to make the second arm portion (22) integral with the head (26);
the robotic arm (20) is configured so that said operative condition corresponds to said second axial position and said second angular position;
the robotic arm (20) is configured so that, in said operative condition, the joint (23) is located within said housing (25);
wherein the robotic joint (23) comprises:
a first disk (33) mounted on and/or to the head (26);
a second disk (34) mounted on and/or to the first disk (33);
a third disk (35) mounted on and/or to the second arm portion (22);
wherein the joint (23) is configured so that the operative condition corresponds to an axial coupling along said axis (X) between the third disk (35) and the second disk (34), and to a rotational coupling around said axis (X) between the third disk (35) and the first disk (33); and wherein the robotic arm (20) is configured so that said axial movement and angular movement of the second arm portion (22), correspond together to a bayonet movement of the third disk (35) with respect to the second disk (34).