Patent GB251908A successfully refreshed from Google Patents.
GB251908A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements in and relating to aircraft propellers
Assignee: Individual
•
Filing: 1926-01-21
•
Granted: —
•
Expires: 1946-01-21
Abstract
Abstract 251,908. Fornaca, G. Jan. 21, 1926. Screw propellers.-In screw propellers with laminated blades and a metallic hub with one fixed and one separate end flange, the inner surface of one or both flanges is or are provided with an annular series of teeth or serrations. The removable flange 4 has an annular set of teeth 6 which are forced into the propeller 1 when the holding bolts 5 are tightened. The hub 2 engages splines on the main shaft 3 and is held by a screw and nut 9 between the two cones 7, 8.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-11-07 15:46
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/02; B64C11/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.