Bearings – Rotary bearing – Antifriction bearing
Patent
1998-03-31
2000-02-01
Footland, Lenard A.
Bearings
Rotary bearing
Antifriction bearing
384508, 384584, F16C 3358
Patent
active
060195185
ABSTRACT:
A cylindrical roller bearing is disclosed. Roller insertion slots are closed without forming a screw hole, but the closing of the insertion slot is firm, and the aesthetic appearance of the bearing is very perfect. Rollers 4 are inserted into operating channels 2c and 3c of inner and outer races 2 and 3 of the roller bearing 1. Insertion slots 2b and 3b are formed respectively on the collars 2a and 3a of the inner and outer races 2 and 3 to form a roller insertion hole 5 for inserting the rollers 4. The roller insertion holes 5 may be circular, rectangular, twin-arcuate or the like. After filling the rollers 4 into the operating channels 2c and 3c, a closing piece 6 is press-fitted into the insertion hole 5. The closing piece 6 may consist of two pieces 6a and 6b, and has a size larger than that of the insertion hole 5 by about 0.01 mm. Thus the closing pieces are firmly fitted into the insertion slots to such a degree that the closing pieces will never depart under any operating conditions. Further, the fastening screw or the like is not used, and therefore, the device can be applied not only to large bearings but also to small bearings. Further, a mechanically weak portion does not exist, and an aesthetically desirable roller bearing is provided.
REFERENCES:
patent: 4787758 (1988-11-01), Jacob
patent: 5433535 (1995-07-01), Hah
Footland Lenard A.
Narasimhan Meera P.
Wray James Creigton
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