Anti-backlash gear

Details Anti-backlash gear Anti-backlash gear

1999-03-10

2000-11-21

Marmor, Charles A

Machine element or mechanism

Gearing

Rotary bodies

74409, 101216, F16H 5518

Patent

active

061486841

ABSTRACT:
An anti-backlash gear assembly includes a drive gear that is fixably mountable on a drive shaft that drives the drive gear and has a plurality of drive gear clearance holes. A rod ring is fixed to one side of the drive gear. A flank gear having a plurality of flank gear clearance holes corresponding to the drive gear clearance holes is also mounted on the drive shaft adjacent to the drive gear. A force ring having a plurality of receiving holes is mounted to the flank gear. Springs having a first end fixed to the rod ring and extend through the drive gear clearance holes, the flank gear clearance holes, and into the receiving holes. The springs exert a force biasing the flank gear and the drive gear to rotate in opposite directions.

REFERENCES:
patent: 5357858 (1994-10-01), Guaraldi et al.
patent: 5813335 (1998-09-01), Burke et al.

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