F - Mech Eng,Light,Heat,Weapons – 16 – C
Patent
F - Mech Eng,Light,Heat,Weapons
16
C
308/12
F16C 17/02 (2006.01) F16C 33/10 (2006.01)
Patent
CA 1234403
- 1 - ABSTRACT OF THE DISCLOSURE The invention provides a radial friction bearing assembly, particularly for rotatably mounting the rolls of a paper or textile material processing machine, which will give a stable rotational movement without any vibrations and en- sures that always an uninterrupted lubrication film is available, even at very low rotational speeds. A preferred embodiment of the bearing assembly comprises a stationary shaft member and an annular sleeve member rotatably moun- ted on the shaft member. The latter one comprises on its outer surface a plurality of equidistantially arranged longitudinal grooves which extend parallelly to the axis of the shaft member. A plurality of trapezoidally shaped recesses or pockets, having a substantially smaller depth than the longitudinal grooves, extend from and communicate with said grooves, the base edge of the trapezoid adjoi- ning the leading edge of the longitudinal grooves. Between two adjacent recesses or pockets, a circumferential annu- lar groove is provided which communicates with all longi- tudinal grooves. A lubricant, preferably water, is fed to the longitudinal grooves and circulates therein as well as in said circumferential grooves, said recesses and in a gap provided between the stationary shaft member and the rotating sleeve member.
478601
Griner Walter
Karhola Arvo
Lehtinen Jukka
Arcomac S.a.
Ridout & Maybee Llp
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