Machine element or mechanism – Gearing – Backlash take-up
Patent
1986-05-28
1988-01-19
Bonck, Rodney H.
Machine element or mechanism
Gearing
Backlash take-up
74410, 74417, 74440, F16H 5520, F16H 114
Patent
active
047198133
ABSTRACT:
A gear assembly for high-speed transmission between either two parallel shafts or two intersecting shafts comprising two meshing gears, one mounted to a drive shaft and the other mounted to a driven shaft, each of the gears having coaxially disposed first and second toothed portions which differ from each other in that the teeth of the first toothed portion are cut at a first inclination angle and the teeth of the second toothed portion are cut at a second inclination angle different from the first inclination angle. One of the meshing gears is fixed to its shaft so as to be non-displaceable axially, while the other is mounted so as to be axially displaceable with respect to the fixed gear. Preloading means engaging the movable gear are provided for applying an axially directed load to the movable floating gear thereby urging the floating gear against the fixed gear so as to eliminate the free angular displacement of the gears with respect to each other within backlash and to preclude tooth disengagement under axial forces which are imposed on the floating gear by external peripheral loads.
REFERENCES:
patent: 1678582 (1928-07-01), Allen
patent: 1848342 (1932-03-01), Gleason
patent: 2418555 (1947-04-01), Kirsten
patent: 2475283 (1949-07-01), Hendrickson
patent: 3011365 (1961-12-01), Stoeckicht
patent: 3548673 (1970-12-01), Suchocki
patent: 3636789 (1972-01-01), Geiger
patent: 4369668 (1983-01-01), Pollak-Banda et al.
Bonck Rodney H.
Testardi David A.
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