Cable drum for a cable driven apparatus

Details Cable drum for a cable driven apparatus Cable drum for a cable driven apparatus

1997-04-02

1999-01-12

Nguyen, John Q.

Winding, tensioning, or guiding

Reeling device

With particular spool

2425714, 242579, 2425871, 2421251, 242613, 49352, B65H 7518, B65H 7524, B65H 1924, E05F 1148

Patent

active

058576355

ABSTRACT:
A cable drum assembly comprises a cable drum for a cable-driven apparatus such as a cable window lifter, in particular of a motor vehicle, which automatically compensates for cable slackness without deforming the window lift system. The cable drum has the advantage that it only removes the so-called genuine cable slackness present when the window lifter is in the relaxed state. The cable drum has a part for compensating the cable slackness which can be moved in relation to the outer cable drum wall and is disposed in a guide inside the cable drum. The part may be connected with one cable end of the cable loop, and that when a load is placed on the cable drum by the cable, the part is arrested on the cable drum. When the cable drum is unloaded, a spring urges the part so as to take up cable slackness. In other embodiments, the part presses against the outer cable drum wall and irreversibly increased its diameter when it is unloaded or rotates with respect to the cable drum and winds in slack cable when the drum is unloaded.

REFERENCES:
patent: 1984604 (1934-12-01), Stahl
patent: 2946562 (1960-07-01), Handley
patent: 3550872 (1970-12-01), Porterfield
patent: 3779476 (1973-12-01), Hofbauer
patent: 4428542 (1984-01-01), Kobayashi et al.
patent: 4440354 (1984-04-01), Kobayashi et al.
patent: 4547993 (1985-10-01), Kobayashi et al.
patent: 4657523 (1987-04-01), Chevance et al.
patent: 4813304 (1989-03-01), Kobayashi
patent: 4941286 (1990-07-01), Marscholl et al.
patent: 5047077 (1991-09-01), McMaster et al.
patent: 5074077 (1991-12-01), Toyoshima et al.

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