GB446964A - Improvements in adjustable air-propellers - Google Patents

Improvements in adjustable air-propellers

Info

Publication number
GB446964A
GB446964A GB2945/36A GB294536A GB446964A GB 446964 A GB446964 A GB 446964A GB 2945/36 A GB2945/36 A GB 2945/36A GB 294536 A GB294536 A GB 294536A GB 446964 A GB446964 A GB 446964A
Authority
GB
United Kingdom
Prior art keywords
blade
root
heine
glued
screwed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2945/36A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB446964A publication Critical patent/GB446964A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B64C11/06—Blade mountings for variable-pitch blades
    • B64C11/065—Blade mountings for variable-pitch blades variable only when stationary

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

446,964. Screw propellers. HEINE, H., (trading as HEINE MOBELFABRIK PROPELLERWERK, H.), 58, Warschauerstrasse, Berlin. Jan. 31, 1936, No. 2945. Convention date, Feb. 1, 1935. [Class 114] Screw propellers with wooden blades adapted to be mounted adjustably in a divided boss are provided at the root of each blade with a polygonal truncated pyramid metallic sleeve which is glued and screwed on to the blade root. A wooden blade 14 is provided with segmental wood layers 13 which are glued thereto and to these are screwed metal plates 12. Around these are fitted the sections of outer sleeves 9, 10 having a collar 1 which protrudes into a groove 21 in the plates 12. The metal plates 12 have collars 16. The roots are mounted in half sockets 1, 2, which are held together by bands 5. The blade root may be provided with an end plate 15 which is secured thereto by screws.
GB2945/36A 1935-02-01 1936-01-31 Improvements in adjustable air-propellers Expired GB446964A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE446964X 1935-02-01

Publications (1)

Publication Number Publication Date
GB446964A true GB446964A (en) 1936-05-08

Family

ID=6537945

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2945/36A Expired GB446964A (en) 1935-02-01 1936-01-31 Improvements in adjustable air-propellers

Country Status (1)

Country Link
GB (1) GB446964A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4611972A (en) * 1984-05-31 1986-09-16 Ralph Andrae Aeroplane propeller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4611972A (en) * 1984-05-31 1986-09-16 Ralph Andrae Aeroplane propeller

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