Machine element or mechanism – Gearing – Backlash take-up
Patent
1982-12-28
1985-05-28
Herrmann, Allan D.
Machine element or mechanism
Gearing
Backlash take-up
74421R, 74440, F16H 5518
Patent
active
045192642
ABSTRACT:
A gear assembly includes a pair of driving and driven helical gears permanently in meshing engagement with each other to provide a torque transmission therebetween, and an additional plate-like gear formed at its outer periphery with helical teeth the helix angle of which is different from each helix angle of respective teeth of the helical gears and being resiliently deformable in an axial direction. The additional plate-like gear is coaxially and rotatably mounted in place on a hub portion of the driven helical gear and meshed at its two teeth with one tooth of the driving gear such that the additional plate-like gear is resiliently in contact with one end face of the driven gear at a place radially opposite to the meshed portion of the helical gears.
REFERENCES:
patent: 1619799 (1947-03-01), Rounds et al.
patent: 1648715 (1927-11-01), Bean
patent: 1755945 (1930-04-01), Alexandrescu
patent: 1968338 (1934-07-01), Earles et al.
patent: 3037396 (1962-06-01), Martin
patent: 3327548 (1967-06-01), Welch
patent: 3496794 (1970-02-01), Forichon
patent: 3888134 (1975-06-01), Miranda
patent: 4036074 (1977-07-01), Bodnar
patent: 4292857 (1981-10-01), Matusz
Analytical Mechanisms of Gears, Buckingham, 1949, pp. 141-143.
Desai Shirish
Herrmann Allan D.
Toyota Jidosha & Kabushiki Kaisha
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