Patent ID: 9261144
Filing Date: 2016-02-16
CPC Classification: F16C

Claim Text:
1. A sealing and signaling device for a rolling bearing, comprising: a sealing assembly adapted to be interposed between a first rotating member and a second stationary member and a signal generator device adapted to be disposed on the first member; wherein the sealing assembly provides a first annular shield located on the first member, a second annular shield arranged facing the first shield and located on the second member, an annular seal integrally supported by the first shield and provided with a plurality of annular lips configured to contact the second shield to each form a lip seal therewith; and wherein the signal generator device comprises a third shield and an annular signal generator element, the third shield being disposed on the first member separately from the first shield, the annular signal generator element disposed on the third shield on a side opposite to the first shield, the annular signal generating element extending radially inwardly from the third shield such that a portion of the annular signal generating element faces the first and the second shields; the first shield having a fitting portion, with axial extension, and a first flange portion, which radially extends to protrude from the fitting portion and ends with a free end over which the annular seal is located; wherein in combination: i) on the side of the fitting portion, the first flange portion has a first and a second L-fold in opposite directions which delimit, on the first flange portion and towards the annular lips, a first annular surface facing the annular lips and the second shield; ii) the annular signal generator element delimited towards the second shield by a second annular surface facing the annular lips and the second shield, the annular signal generator having a front surface which extends radially and faces axially away from the third shield; iii) the first and the second annular surfaces are arranged immediately adjacent to each other and form an angle (β) therebetween which is greater than ninety degrees and less than or equal to one hundred eighty degrees, when viewed in an axial cross section; iv) the second shield has a second flange portion that radially extends to protrude from a second fitting portion having axial extension of the second shield to be fixed to the second member, the second flange portion including first and second flange axial sides, the second flange portion including a distal end opposite from the second fitting portion, the second axial flange side facing away from the first shield, a portion of the second flange axial side adjacent to the distal end being radially coplanar and flush with the front surface; the second flange portion being arranged on a side opposite to the first shield and in a position facing the first flange portion and ending with a peripheral rim, opposite to the fitting portion of the second shield and arranged in a facing orientation with the second annular surface for defining a labyrinth seal therewith; and wherein v) the second flange portion is shaped such that its peripheral rim is arranged axially on the side opposite to the first flange portion, axially closer to the frontal surface of the signal generator element facing to the outside than to the first flange portion of the first shield, in proximity with and flush with the front surface of the signal generator element.