US 10,890,936 B1
Collective control system for a rotorcraft
Charles Culp, Webster Groves, MO (US); Greg Kemner, Cottleville, MO (US); and Bob Hale, Cincinnati, OH (US)
Assigned to Essex Industries, Inc., St. Louis, MO (US)
Filed by Essex Industries, Inc., St. Louis, MO (US)
Filed on Dec. 12, 2019, as Appl. No. 16/712,668.
Application 16/712,668 is a continuation of application No. 16/203,989, filed on Nov. 29, 2018, granted, now 10,591,948.
Claims priority of provisional application 62/725,019, filed on Aug. 30, 2018.
This patent is subject to a terminal disclaimer.
Int. Cl. G05G 1/06 (2006.01); G05G 1/02 (2006.01); G05G 13/00 (2006.01); G05G 1/04 (2006.01)
CPC G05G 1/06 (2013.01) [G05G 1/02 (2013.01); G05G 1/04 (2013.01); G05G 13/00 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A control system for attachment to the collective lever of a rotorcraft, the control system comprising:
a generally planar lower surface for attachment to an end of a collective lever;
a main body having a generally convex form generally squircle in cross section;
a horn portion extending from a corner of said main body; and
a plurality of controls, wherein a first control in said plurality of controls is arranged on said main body and a second control in said plurality of controls is arranged on said horn portion;
wherein, said control system is configured to be grasped in an open spherical grip by a human hand with fingers of said human hand on said main body and the thumb of said human hand on said horn portion;
wherein said control system is configured for said human hand grasping said control system to move said collective lever without removing said fingers of said human hand from said main body and said thumb of said human hand from said horn portion; and
wherein said horn portion overhangs said main body.