Aeronautics and astronautics – Aircraft propulsion and steering on land or water
Patent
1990-10-03
1992-02-11
Peters, Jr., Joseph F.
Aeronautics and astronautics
Aircraft propulsion and steering on land or water
74404, 74435, B64C 2550, F16H 5517
Patent
active
050869949
ABSTRACT:
The present invention pertains to a gear drive assembly that will allow components that are not capable of continuous rotation to be coupled to a component that is capable of continuous rotation. The drive gear assembly includes a drive gear component which is actually comprised of two gear sectors, one used to mesh and drive a driven gear directly and the other used to drive the driven gear in a reverse direction through a reversing cluster gear arrangement. The drive gear sectors are arranged so that when one sector is coupled and driving the driven gear, the other sector is decoupled, and vice-versa. Gear jamming is prevented by properly timing the coupling and decoupling of the drive gear sectors with the driven gear and the reversing cluster gear arrangement. In addition, where gear teeth pairs clash during coupling, provision is made to allow one gear tooth of the clashing pair to deflect and allow passage of the other gear tooth to the proper position. Therefore, the gear drive assembly of the present invention permits constant rotary motion of the drive gear component in either direction while resulting in an oscillating motion of the driven gear component.
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Donnelly John J.
Germano Bruno J.
Grumman Aerospace Corporation
Mattix Carla
Peters Jr. Joseph F.
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