US 12,263,816 B1
Adjustable blade load mechanism for wiper arm assembly
Vishwanath Hitnalli, Bangalore (IN); and Phani Srinivas Nouduri, Karnataka (IN)
Assigned to Rosemount Aerospace Inc., Burnsville, MN (US)
Filed by Rosemount Aerospace Inc., Burnsville, MN (US)
Filed on Feb. 8, 2024, as Appl. No. 18/436,638.
Claims priority of application No. 202341088082 (IN), filed on Dec. 22, 2023.
Int. Cl. B60S 1/34 (2006.01); B64C 1/14 (2006.01)
CPC B60S 1/3418 (2013.01) [B60S 1/3443 (2013.01); B60S 1/3459 (2013.01); B60S 1/3463 (2013.01); B60S 1/3488 (2013.01); B64C 1/14 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A windshield wiper system for an aircraft comprising:
a wiper drive shaft comprising:
a first end of the wiper drive shaft; and
a second end opposite the first end, the second end comprising:
a first threaded section between the first end and the second end;
a second threaded section extending axially along the wiper drive shaft between the first threaded section and the second end relative to a center axis of the wiper drive shaft; and
a spline section, wherein the spline section is axially between the first threaded section and the second threaded section;
a first nut configured to thread onto the first threaded section;
a second nut configured to thread onto the second threaded section; and
a wiper arm assembly comprising;
an adjustment sleeve configured to interlock with the spline section;
a wiper arm with a first end configured to enclose the adjustment sleeve; and
a second end of the wiper arm attached to a wiper blade.