Joints and connections – Articulated members – Pivoted
Reexamination Certificate
2006-12-08
2008-11-25
Ferguson, Michael P (Department: 3679)
Joints and connections
Articulated members
Pivoted
C403S122000, C384S049000
Reexamination Certificate
active
07455470
ABSTRACT:
A swivel bearing assembly consists of an outer housing, a ball and a shaft, a cover, and ball bearings, wherein a free-zone channel.A free-zone channel allows the ball bearings to roll freely in the assembly as they follow the motion of the ball and shaft. The ball bearings eliminate friction between ball and outer housing. The ball and shaft can have simultaneous rotational and angular motion. Only unidirectional load can be applied to the bearing in the direction of the mounting surface.
REFERENCES:
patent: 1044771 (1912-11-01), Gaskill
patent: 1551324 (1925-08-01), Offerdahl
patent: 2089439 (1937-08-01), Silberstein
patent: 2696392 (1954-12-01), Case
patent: 5076412 (1991-12-01), Huber
patent: 5096308 (1992-03-01), Sundseth
patent: 5538346 (1996-07-01), Frias et al.
patent: 6409388 (2002-06-01), Lin
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