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Expired
Application number
GB8274/39A
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Individual
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Individual
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Publication of GB526396ApublicationCriticalpatent/GB526396A/en
B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
B64C11/02—Hub construction
B64C11/04—Blade mountings
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Engineering & Computer Science
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Aviation & Aerospace Engineering
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Joining Of Building Structures In Genera
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Abstract
526,396. Propeller blades. LAVAUD, R. S. DE. March 15, 1939, Nos. 8274 and 8276. Convention dates, March 15, 1938, and Nov. 24, 1938. [Class 114] The root 2 of a wooden blade has annular channels 12 formed in it, and is then covered with an indiarubber sleeve 13. A bush 14, in two parts, with inner surface corresponding to the root, and having an external thread 17 is then placed round the sleeve, clamped by a band 16, and screwed into the hub socket.
GB8274/39A1938-03-151939-03-15Improvements in screw propellers
ExpiredGB526396A
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