Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1975-01-20
1976-01-27
Gilreath, Stanley N.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
160319, 242106, B65H 7500, E06B 920
Patent
active
039348326
ABSTRACT:
To prevent the pull cord for a roller blind or the like from jumping off its reel or pulley and becoming entangled, the reel is enclosed within a loosely mounted tubular member which closely peripherally surrounds the end flanges on the reel and maintains a substantial coaxial relation therewith with a clearance less than the thickness of the pull cord and is provided with an aperture through which the free end of the pull cord can pass. To prevent the cord from chafing against the edges of the aperture an external guide for the cord is preferably provided which prevents the cord, when taut, from touching the edges of the aperture.
REFERENCES:
patent: 332299 (1885-12-01), Stewart
patent: 559098 (1896-04-01), Davies
patent: 816820 (1906-04-01), Pouliot
patent: 1325401 (1919-12-01), Humphreys
patent: 2172459 (1939-09-01), Smith
Gilreath Stanley N.
Intersilma B.V.
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