Bearings – Rotary bearing – Antifriction bearing
Patent
1995-03-29
1998-05-05
Footland, Lenard A.
Bearings
Rotary bearing
Antifriction bearing
384448, F16C 1900
Patent
active
057464529
ABSTRACT:
An improved bearing apparatus including a housing having a bearing assembly contained therein. A sensor device is mounted to the housing for detecting the rotational rate of the shaft. The sensor device may be configured as a magnetic-type sensor operative to sense variations in magnetic characteristics produced during rotation of an annular detection element. Alternatively, the sensor device may be an optical sensor for detecting variations in optical characteristics produced by shaft rotation. In some presently preferred embodiments, the detection element is a nut or collar also utilized to effect securement of the bearing assembly to the shaft. Preferably, the shaft terminates at an interior location of the housing. In this case, the housing may include an end wall or cap for covering an end of the shaft.
REFERENCES:
patent: 4069435 (1978-01-01), Wannerskog et al.
patent: 4797549 (1989-01-01), Ho et al.
patent: 4978234 (1990-12-01), Ouchi
patent: 5332964 (1994-07-01), Ouchi
patent: 5451869 (1995-09-01), Alff
patent: 5468072 (1995-11-01), Ekdahl et al.
Advertisement for Electro-Sensors Digital Tachometer Models AP 1000, AP 1000BCD an AP 1003, dated 1993.
El-Ibiary Yehia
Nisley Donald L.
Stroobandt Jack D.
Footland Lenard A.
Horn John J.
Killen Craig N.
Miller John M.
Reliance Electric Industrial Company
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