Spherical joint

Details Spherical joint Spherical joint

G - Physics

02

C

G02C 5/22 (2006.01) F16C 11/06 (2006.01) F16C 11/10 (2006.01) G02C 5/00 (2006.01)

Patent

CA 2609194

Spheric joint or spherical hinge (30; 130) for coupling together two members that are spatially orientable relative to each other, in which a head (84; 184) of the first member (80; 180) is retained in an accommodation (46; 146) of the second member (40; 140) by at least four points of contact located on a spherical surface according to the vertices of a pyramid containing the centre thereof, about which said head (84; 184) is adapted to rotate without translating. The hinge is characterized in that said accommodation (46; 146) or said head (84; 184) has a projecting boss (52; 152) confined in a gap (85; 186) of said head (84; 184) or said accommodation (46; 146), said gap (85; 186) having at least two consecutive distinct spaces (85a, 85b; 187, 188) that define a travelling path (85; 186) for said boss (52; 152).

Joint sphérique ou charnière sphérique (30 ; 130) servant à accoupler deux organes spatialement orientables l~un par rapport à l~autre, dans le cadre duquel une tête (84 ; 184) du premier organe (80 ; 180) est retenue dans un logement (46 ; 146) du deuxième organe (40 ; 140) par au moins quatre points de contact situés sur une surface sphérique en fonction des sommets d~une pyramide contenant le centre de celle-ci, autour de laquelle ladite tête (84 ; 184) est adaptée pour tourner sans translation. La charnière se caractérise en ce que ledit logement (46 ; 146) ou ladite tête (84 ; 184) possède une projection saillante (52 ; 152) confinée dans un intervalle (85 ; 186) de ladite tête (84 ; 184) ou dudit logement (46 ; 146), ledit intervalle (85 ; 186) ayant au moins deux espaces consécutifs distincts (85a, 85b; 187, 188) qui définissent une trajectoire de circulation (85 ; 186) pour ladite projection (52 ; 152).

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