Thrust bearing feature for side plate of bearing block

Details Thrust bearing feature for side plate of bearing block Thrust bearing feature for side plate of bearing block

1994-06-22

1996-02-06

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384 45, 384547, 384615, F16C 1949

Patent

active

054892546

ABSTRACT:
A bearing block has a sheave rotatably mounted between a pair of side plates. A plurality of exposed ball bearings are mounted in the side plates for bearing engagement with the sides of the sheave. The ball bearings can circulate and are either provided in a circular groove or in arcs having a ball return channel connected between the ends of each arc. Location of thrust bearings in the side plates allows for reduction in mass of the sheave and increased space for main bearing capacity.

REFERENCES:
patent: 778379 (1904-12-01), Slentz
patent: 4878630 (1989-11-01), Schmid
patent: 5156378 (1992-10-01), Harken et al.
Harken '94 Yacht Equipment catalog, cover page and pp. 49-52, 1994.
Lewmar Marine Equipment Power and Sail, cover page and pp. 113-114, 1994.

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