Reduction gear with high reduction ratio
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United States of America Patent
Stats
-
Dec 15, 1992
Grant Date -
N/A
app pub date -
May 20, 1991
filing date -
Oct 7, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The object of the invention is a reduction gear comprising a worm screw driving shaft (3) engaging with a first portion (6a) shaped so as to obtain a gear wheel mating the driving means (3), at least one worm screw shaped second portion (6b), connected to said at least one first portion (6a) engaging with a rack (13b, 15b) integral with a gear wheel, which acts as a power take-off (30, 31). The gear-wheel shaped first portion (6a) and the worm screw shaped second portion (6b) can be provided on the body of a pinion or spool (6).
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