Cord retraction device

Details Cord retraction device Cord retraction device

1997-03-24

1998-08-11

Walsh, Donald P.

Winding, tensioning, or guiding

Reeling device

With spring motor

2423813, 24115A, 1601782, B65H 7548

Patent

active

057915806

ABSTRACT:
A cord retraction device for drawing excess cord lengths into a housing through a cord aperture, the housing, containing a rotating spool driven by a coiled spring, the cord being attached to the spool through a lead member and cord retention member, where the cord retention member has an open, non-attached configuration of greater dimensions than the cord aperture, and where the lead member is of sufficient length such that the cord retention member is positioned outside the housing when the coiled spring is fully wound, such that the cord retention member Can only pass through the cord aperture after it is joined to the cord in a closed, attached configuration of dimensions smaller than the cord aperture. An embodiment with oppositely rotating spools for use with looped cords is also presented.

REFERENCES:
patent: 1451300 (1923-04-01), Helman
patent: 1975864 (1934-10-01), Plasters
patent: 2137814 (1938-11-01), Skora
patent: 2526256 (1950-10-01), Mihara
patent: 2926865 (1960-03-01), Humphreys
patent: 4271893 (1981-06-01), McCluskey
patent: 4765557 (1988-08-01), Kahmann
patent: 5114091 (1992-05-01), Peterson et al.
patent: 5279473 (1994-01-01), Rozon
patent: 5553650 (1996-09-01), Jelic
patent: 5553653 (1996-09-01), Rozon
patent: 5630456 (1997-05-01), Hugo et al.

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