Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1989-02-27
1989-11-07
Gilreath, Stanley N.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 355R, 242158R, 384 58, 384488, 384547, B65H 5428, B65H 5420, F16C 1302, F16C 3376
Patent
active
048786306
ABSTRACT:
In a guide roller assembly such as utilized for supporting a reciprocating yarn guide rod in a textile winding machine, the guide roller assembly having an outer shell rotatably supported on a carrier member by an interposed ball bearing assembly, problems of internal contamination of the guide roller assembly are avoided by provision of a plurality of annular projecting walls on one or both of the outer shell and the carrier member to define narrow annular spacings between the outer shell and the carrier member at the annular walls and annular air chambers in radial series between the walls. The narrow annular spacings are preferably of a maximum dimension in the range of a few tenths of a millimeter. Debris entering the interior of the guide roller assembly tends to be propelled radially outwardly and accumulates at the annular spacings to resist entry of further debris.
REFERENCES:
patent: 1856547 (1932-05-01), Gotthardt
patent: 2904938 (1959-09-01), Bassoff
patent: 2928701 (1960-03-01), Ferdig
patent: 4145093 (1979-03-01), Sekerich
patent: 4458957 (1984-07-01), Greener
patent: 4580737 (1986-04-01), Schmid
patent: 4602875 (1986-07-01), Doerr et al.
Gilreath Stanley N.
W. Schlafhorst & Co.
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