Bearings – Rotary bearing – Plain bearing
Patent
1987-12-14
1988-08-23
Footland, Lenard A.
Bearings
Rotary bearing
Plain bearing
F16C 2504
Patent
active
047657570
ABSTRACT:
A self-aligning spherical bushing is disclosed to be positionable between an inner member and an outer member to allow movement therebetween. The bushing includes a first outer ring of generally cylindrical shape which includes a spherically concave inner surface. A second ring is included which is also generally cylindrical and includes a cylindrical central opening therethrough and a convex outer surface. The second ring is adapted to be captured within the first ring with the spherical surfaces mated with respect to one another movably. The inner and outer surfaces of the inner ring can include a lubrication groove extending circumferentially therearound. The outer ring can define a lubrication groove about the outer surface thereof. A lubrication aperture can connect the inner and outer surfaces of each ring. The spherical exterior surface of the inner ring is of a smaller spherical diameter than the concave spherical surface of the inner surface of the outer ring in order to provide necessary operating clearances. The outer surface of the inner ring also includes supplementary circular lubrication channels oriented with the plane of the circles parallel to the axis of the second ring and in fluid flow communication with respect to the lubrication aperture extending circumferentially around the outer surface of the inner ring. These circular channels intersect the lubrication channel at right angles and are regularly spaced at equal intervals therealong to eliminate any preferred position between the first and second rings.
REFERENCES:
patent: 1002614 (1911-09-01), Warren
patent: 1674453 (1928-06-01), Sloper
patent: 1856304 (1932-05-01), Whitely
patent: 1947023 (1934-02-01), Shoemaker
patent: 2067034 (1937-01-01), Whitely
patent: 2397124 (1946-03-01), Buffington et al.
patent: 2500592 (1950-03-01), Whitely
patent: 2521731 (1950-09-01), Kennedy
patent: 2616771 (1952-11-01), Metzgar
patent: 2625448 (1953-01-01), Underwood
patent: 2825608 (1958-03-01), Abel
patent: 3395951 (1968-08-01), Barr et al.
patent: 3815964 (1974-06-01), Bendall
patent: 4459048 (1984-07-01), Stachuletz
patent: 4558960 (1985-12-01), Lehtinen et al.
"Self-Aligning Spherical Bushing", Roller Bearing Co. of America (1972).
"Spherical Plain Bearings", catalog SF-76, Torrington (Bearing Co.) (no date).
Footland Lenard A.
Roller Bearing Company of America
LandOfFree
Self-aligning spherical bushing means does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Self-aligning spherical bushing means, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Self-aligning spherical bushing means will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-833750