US 12,441,485 B2
Bonding tab assemblies providing lightning strike protection for composite aircraft propellers
Gregory Williamson, Wichita, KS (US); Brian Cozine, Wichita, KS (US); and Amber Whittaker, Wichita, KS (US)
Assigned to TEXTRON INNOVATIONS INC., Providence, RI (US)
Filed by Textron Aviation Inc., Wichita, KS (US)
Filed on Sep. 27, 2023, as Appl. No. 18/475,691.
Prior Publication US 2025/0100710 A1, Mar. 27, 2025
Int. Cl. B64D 45/02 (2006.01); B64C 11/26 (2006.01)
CPC B64D 45/02 (2013.01) [B64C 11/26 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A bonding tab assembly for electrically bonding a protective metal band affixed to a leading edge of a composite propeller blade to an associated propeller hub, the bonding tab assembly comprising:
a mounting bracket having a lower mounting flange adapted to being attached to a counterweight clamp surrounding the propeller blade and an upright mounting plate; and
a bonding tab attached to the upright mounting plate of the mounting bracket and adapted to being brought into spring-biased contact with a portion of the protective metal band affixed to the leading edge of the propeller blade, wherein
the bonding tab is a single strip of metal formed into a P-shaped geometric configuration.