Drive belt tension control apparatus for inverted rooter
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United States of America Patent
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-
Jan 16, 1990
Grant Date -
N/A
app pub date -
Feb 22, 1989
filing date -
Feb 22, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An inverted router characterized by having a drive motor, a motor driven pulley, a spindle drive pulley and a drive belt for transferring power from the motor driven pulley to the spindle and drive belt tension control apparatus. The drive belt tension control apparatus comprises a mounting plate for mounting the motor driven pulley in variable spaced-apart relation to the spindle drive pulley and a pneumatic cylinder and piston assembly for exerting a predetermined pressure on the motor drive pulley and thereby a predetermined tension on the drive belt.
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