Bearings – Rotary bearing – Antifriction bearing
Patent
1994-01-14
1996-01-16
Funk, Stephen
Bearings
Rotary bearing
Antifriction bearing
384471, 101216, 298981, 184 626, 184 551, F16C 1926, F16C 3700
Patent
active
054842123
ABSTRACT:
A method of lubricating a bearing (58) in a printing unit (14) includes the step of directing a quantity of grease into the bearing (58), and the step of directing pressurized air into contact with the grease. The bearing (58) supports a printing cylinder (16) for rotation in the printing unit (14), and includes a plurality of rolling elements (100) between a pair of opposed bearing race surfaces (94, 88). A predetermined quantity (160) of grease is directed to flow from a hydraulic pump (114) to the space between the bearing race surfaces (94, 88). The pressurized air is directed to flow from a pneumatic pump (132) into contact with the grease to remove a first portion of the predetermined quantity (160) of grease from the space between the bearing race surfaces (94, 88). The pressurized air further spreads a second portion of the predetermined quantity (160) of grease into coatings (190) which extend over the rolling element surfaces (104) and the bearing race surfaces (94, 88).
REFERENCES:
patent: 3042462 (1962-07-01), Rosskopf
patent: 3797898 (1974-03-01), Juichi
patent: 4343378 (1982-08-01), Bremer
patent: 5205377 (1993-04-01), Pfarrwaller et al.
patent: 5241905 (1993-09-01), Guaraldi et al.
Burke David C.
Guaraldi Glenn A.
Funk Stephen
Heidelberger Druckmaschinen AG
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