Printing – Rolling contact machines – Rotary
Patent
1996-12-18
1998-09-29
Yan, Ren
Printing
Rolling contact machines
Rotary
101177, 74409, 74440, B41F 702
Patent
active
058133356
ABSTRACT:
Apparatus for preventing backlash between a first gear and a second gear of a gear train. Exemplary embodiments include a supplementary gear rotatably mounted adjacent to the first gear and rotatable about the same rotational axis as the first gear, the teeth of the supplementary gear being in meshing engagement with the teeth of the second gear. The apparatus further includes a support element formed on at least one of the first gear and the supplementary gear, and a leaf spring assembly extending essentially radially with respect to the rotational axis of the first gear. The leaf spring assembly is bent out of its zero-position and engages the support element at its second end portion, thereby applying a force to the support element for biasing the supplementary gear and the first gear to rotate in opposite directions.
REFERENCES:
patent: 3407727 (1968-10-01), Fischer
patent: 4602523 (1986-07-01), Kurata et al.
patent: 4781073 (1988-11-01), Bondhus et al.
patent: 5067364 (1991-11-01), Januszewski
patent: 5357858 (1994-10-01), Guaraldi et al.
"Design and Application of Small Standardized Components" Data Book 757, pp. 282-289.
Breton Richard Edward
Burke David Charles
Heidelberg Harris Inc.
Heidelberger Druckmaschinen AG
Yan Ren
LandOfFree
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