Transmission apparatus
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United States of America Patent
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-
Nov 9, 2004
Grant Date -
N/A
app pub date -
Jun 6, 2000
filing date -
Dec 30, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a transmission apparatus in connection with a pulling equipment intended for moving especially a cable or a corresponding product, the transmission apparatus comprising a shaft that is operated by a motor (11) and that is connected to an output shaft (16) of the transmission apparatus by means of cog wheels (14). The output shaft (16) is connected to means (10) that are in contact with the cable. The cog wheels (14) are arranged to form a circle extending from the motor-driven shaft to the output shaft (16) and correspondingly from the output shaft (16) to the motor-driven shaft. In order to provide clearance-free operation, the cog wheels (14) are helical gearwheels, and one cog wheel shaft is arranged to be moved in its longitudinal direction when the rotation of the output shaft (16) is being decelerated.
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