F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 55/18 (2006.01) B61H 13/04 (2006.01) F16D 41/066 (2006.01)
Patent
CA 2346549
A fabricated gear is provided which is formed from a plurality of plates disposed in series one on top of another. Each of the plates include a plurality of teeth along an outer circumference thereof. An aperture extending through a center portion of each of the plates is provided. This aperture forms an inner circumference within each of the plates and is capable of receiving a shaft member therethrough. The plates are secured together to form the fabricated gear. This fabricated gear may be keyed onto a shaft member. Alternatively, an anti-backlash mechanism may be provided in the fabricated gear to achieve one direction rotation of a shaft member in a manner similar to a pawl and ratchet mechanism. This anti-backlash mechanism is formed by providing at least one indentation within an inner circumference of at least some of the plates which cooperates with a cylindrical member positioned within an opening formed by this indentation. This cylindrical member is capable of interacting with the at least one opening to cause the plates to lock up onto the shaft member upon the application of a force in a first direction and to freely rotate with respect to the shaft member upon the application of a force in a second direction.
Natschke Scott L.
Ring Michael E.
Macrae & Co.
Westinghouse Air Brake Technologies Corporation
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