Cylindrical bearing with solid lubricant embedded and fixed in i

Details Cylindrical bearing with solid lubricant embedded and fixed in i Cylindrical bearing with solid lubricant embedded and fixed in i

1994-07-07

1996-05-14

Footland, Lenard A.

Bearings

Rotary bearing

Plain bearing

F16C 3310

Patent

active

055162134

ABSTRACT:
A cylindrical bearing with a solid lubricant embedded and fixed in a plurality of first and second helical grooves formed in an inner peripheral surface thereof, wherein each first helical groove is formed with a rightward rising inclination at an angle .theta..sub.1 of more than 0.degree. and not more than 45.degree. with respect to a reference line, while each second helical groove is formed with a leftward rising inclination at an angle .theta..sub.2 of more than 0.degree. and not more than 45.degree. with respect to the reference line, a line which connects shorter diagonal lines of parallelograms each formed by connecting points of intersection of adjacent ones of the first helical grooves and adjacent ones of the second helical grooves intersecting with the adjacent ones of the first helical grooves forms an angle .theta..sub.3 of less than 90.degree. with respect to the reference line.

REFERENCES:
patent: 1122565 (1914-12-01), Bache
patent: 1153647 (1915-09-01), Smalley
patent: 4678348 (1987-07-01), Tielemans et al.

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