Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
233 words
A support assembly (1) for a wheel of a vehicle, particularly for a driving wheel of a road vehicle, comprising at least one inner ring (5) provided with a flange (29) for fixing to the said wheel, an outer ring (2) provided with a fixing flange (4) for fixing to a wheel suspension strut, and a pair of rings (6) of rolling elements (7) interposed between the said rings (2,5) and able to roll on tracks (8,10,11) of the said rings (2,5), the said inner ring (5) being rigidly mounted on a shaft (38) provided with a shoulder (41) for axially -fixing the said inner ring (5), characterised by the fact that the said inner ring (5) has at its opposite ends a first (42) and a second (35) conical surface respectively, these surfaces being coaxial and directed in opposite directions, the said first conicl surface (42) being engageable with a third concial surface (43) formed on the said shoulder (41) coaxially with respect to a cylindrical surface (44) coaxial to the said shaft (38), formed on this latter at one end (45) of the said shaft (38), a centring ring (49) mounted coaxially surrounding the said cylindrical surface (44) being provided with a fourth conical surface (50) engageable with the said second conical surface (35),axial thrust means (51) for the said centring ring (49) being rigidly mounted on the said shaft (38).
Claim 2
Dependent Claim
233 words
A support assembly (1) for a wheel of a vehicle, particularly for a driving wheel of a road vehicle, comprising at least one inner ring (5) provided with a flange (29) for fixing to the said wheel, an outer ring (2) provided with a fixing flange (4) for fixing to a wheel suspension strut, and a pair of rings (6) of rolling elements (7) interposed between the said rings (2,5) and able to roll on tracks (8,10,11) of the said rings (2,5), the said inner ring (5) being rigidly mounted on a shaft (38) provided with a shoulder (41) for axially -fixing the said inner ring (5), characterised by the fact that the said inner ring (5) has at its opposite ends a first (42) and a second (35) conical surface respectively, these surfaces being coaxial and directed in opposite directions, the said first conicl surface (42) being engageable with a third concial surface (43) formed on the said shoulder (41) coaxially with respect to a cylindrical surface (44) coaxial to the said shaft (38), formed on this latter at one end (45) of the said shaft (38), a centring ring (49) mounted coaxially surrounding the said cylindrical surface (44) being provided with a fourth conical surface (50) engageable with the said second conical surface (35),axial thrust means (51) for the said centring ring (49) being rigidly mounted on the said shaft (38).
Claim 3
Dependent Claim
174 words
A support assembly (1) according to Claim 1, characterised by the fact that the said inner ring (5) includes a first (15) and a second (14) annular element, these elements being coaxial and mounted in sequence on the said shaft (38) between the said shoulder (41) and the said centring ring (49), the said first conical surface (42) being formed on the said first element (15) in a position facing the said shoulder (41) to which the said first element (15) is adjacent, the said second conical surface (35) being formed on an end (28) of the said second element (14) opposite the said shoulder (41) and adjacent the said centring ring (49); a first (11) of the said tracks (8,10,11) being formed on an outer surface (13) of the said first element (15) and a second (10) of the said tracks (10,11,8) being formed on an outer surface (12) of the said second element (14), this latter having the said flange (29) for fixing to the said wheel at the said end (28).
Claim 4
Dependent Claim
45 words
A support assembly (1) according to Claim 1 or Claim 2, characterised by the fact that the said shaft (38) is integrally formed with a ball joint (47) operable to transmit a couple from a half-shaft of the said vehicle to the said shaft (38).
Claim 5
Dependent Claim
47 words
A support assembly (1) according to any preceding Claim, characterised by the fact that the said shaft (38) is provided with a splined coupling (37) formed on an outer surface thereof and operable to transmit drive from the said shaft (38) to the said inner ring (5).
Claim 6
Dependent Claim
44 words
A support assembly (1) according to any of Claims from 2 to 4, characterised by the fact that the said second annular element (14) is provided with an inner surface (36) torsionally connectible with the said splined coupling (37) of the said shaft (38).
Claim 7
Dependent Claim
59 words
A support assembly (1) according to any of Claims 2 to 5, characterised by the fact that the said cylindrical surface (44) is formed in correspondence with the said second conical surface (35), the said cylindrical surface (44) being discontinuous in that it is obtained by grinding the crests of the teeth (46) of the said splined coupling (37).
Claim 8
Dependent Claim
45 words
A support assembly (1) according to any preceding Claim, characterised by the fact that the said first (42) and second (35) conical surfaces are coaxial with a pair (10,11) of the said tracks ( 8 ,10 ,11 ) formed on the said inner ring (5).
Claim 9
Dependent Claim
33 words
A support assembly (1) according to any preceding Claim, characterised by the fact that the said second conical surface (35) tapers towards the said flange (4)' for fixing the said outer ring (2).
Claim 10
Dependent Claim
34 words
A support assembly (1) according to any preceding Claim, characterised by the fact that the said thrust means include a nut (51) screwed on a threaded end section (52) of the said shaft (38).
Claim 11
Dependent Claim
54 words
A support assembly (1) according to Claim 9, characterised by the fact that the said nut (51) can exert a thrust on the said centring ring (49) sufficient to deform the said inner ring (5) in such a way as to compensate for small radial play between this and the said outer ring (2).
Claim 12
Dependent Claim
24 words
A support assembly (1) according to any preceding Claim, characterised by the fact that the said centring ring (49) has a radial slit (54).
Claim 13
Dependent Claim
31 words
A support assembly (1) according to any preceding Claim, characterised by the fact that it includes centring surfaces (56,57) for the said wheel and for a brake of the said wheel.
Claim 14
Dependent Claim
62 words
A support assembly (1) according to Claim 12, characterised by the fact that the said centring surfaces (56,57) are formed on a sleeve (53) integral with the said flange (29) of the said inner ring (5), perpendicular to a front surface (34) of this latter and concentric with a shallow recess (33) in which the said second conical surface (35) is formed.
Claim 15
Dependent Claim
41 words
A support assembly (1) according to Claim 12, characterised by the fact that the said centring surfaces (56,57) are formed on an end (59) of the said centring ring (49) projecting, after assembly, from the said flange (29)for the said wheel.
Claim 16
Dependent Claim
37 words
A support assembly (1) according to any of Claims from 9 to 14, characterised by the fact that the said nut (51) and the said centring ring (49) are integrally formed in a single thrust element (58).