Marine propeller with detachable blades
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United States of America Patent
Stats
-
Mar 25, 2003
Grant Date -
N/A
app pub date -
Nov 19, 2001
filing date -
May 19, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A marine propeller comprises a hollow hub body (11), a plurality of propeller blades (16) and a plurality of fastening devices (19, 21) for each propeller blade (16). Each fastening device includes a tension rod (19) and a flange member (22) mounted on the tension rod. The propeller blades (16) may be turnable for adjustment of the blade pitch angle (.alpha.) and lockable in a selected position by means of the fastening devices (19, 21). The flange member (22) has a plurality of recesses (23) and tensioning members (24) received in the recesses. These tensioning members (24) are extendable from the flange member (22) towards the hub body wall (14) to apply tension to the tension rod (19).
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