Seal ring, sealing apparatus and bearing apparatus

Details Seal ring, sealing apparatus and bearing apparatus Seal ring, sealing apparatus and bearing apparatus

2007-05-08

2007-05-08

Footland, Lenard A. (Department: 3682)

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

C384S448000

Reexamination Certificate

active

11149841

ABSTRACT:
A seal ring has an annular body which is constituted so that a disc section extended to a radially inward direction is overlapped with one end of a cylindrical section, and a sensor member for detecting rotation of an inner ring is provided to an outer periphery of the cylindrical section, and an outer case for covering the sensor member is provided by insert-forming. The outer case contracts after it is formed and is press-contact with the cylindrical section so that a gap is hardly generated.

REFERENCES:
patent: 5195830 (1993-03-01), Caillault et al.
patent: 2001/0051010 (2001-12-01), Toda et al.
patent: 2005/0259902 (2005-11-01), Ohtsuki et al.

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