Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Panel hangers – travelers and/or tracks – Covered – hollow or slotted track
Patent
1991-12-31
1993-01-26
Bray, W. Donald
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Panel hangers, travelers and/or tracks
Covered, hollow or slotted track
16 89, 16104, 16106, 104 94, E05D 1302, A47H 1500
Patent
active
051812967
ABSTRACT:
A multidirectional carrier and track generally comprising a disc, a track, and structure on the track defining a disc supporting surface. The disc is supported for rotation about an axis. The disc is in engagement with the disc supporting surface and has first and second ball bearing assemblies. The ball bearing assemblies have inner and outer races, the inner races mounted adjacent one another along the axis. The disc also has an outer cylindrical rim portion, the rim portion have an inner-facing surface, an outer-facing surface and upper and lower surfaces, the inner-facing surface engaging the outer races and the lower surface contacting the track. Structure on the inner-facing surface defines axially spaced faces projecting radially inward towards the axis in step-wise fashion, forming two axially-facing shoulders projecting from the inner-facing surface. The outer races contact the shoulders and are held in the outer rim portion against axial movement in one direction relative to the axis of the support member. A cylindrical reinforcing band surrounds and reinforces the rim portion.
REFERENCES:
patent: 3042960 (1962-07-01), Spork
patent: 3879799 (1975-04-01), Williams
patent: 4141106 (1979-02-01), Dixon
patent: 4401033 (1983-08-01), Gerken
patent: 4837891 (1989-06-01), Toma et al.
patent: 4991257 (1991-02-01), Eutebach
Bray W. Donald
Hufcor, Inc.
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