Driver for a twin cutting device with counter-rotating blades

Details Driver for a twin cutting device with counter-rotating blades Driver for a twin cutting device with counter-rotating blades

2011-05-31

2011-05-31

Ashley, Boyer D (Department: 3724)

Cutting

Means to drive or to guide tool

Cutting tool operative in opposite directions of travel

C083S599000, C083S600000, C083S618000, C083S495000, C083S698410

Reexamination Certificate

active

07950318

ABSTRACT:
The invention relates to a driver (1) for a twin cutting device (2), which comprises a first blade (4), which is non-rotatably arranged on a drive shaft (11) to be rotated about an axis of rotation (r) in a first direction, and a second blade (3), which is non-rotatably arranged on a drive socket (15), which encloses the drive shaft (11), to be rotated about the same axis of rotation (r) in a second direction opposite to said first direction. The drive shaft (11) constitutes a driving central shaft in a gear (10), which comprises a sun wheel (24), which is non-rotatably arranged on the drive shaft (11) to be rotated by the same, at least a first planet wheel (25), which meshes with the sun wheel (24) and is rotatable about an axis (p) parallel to the axis of rotation (r), at least a second planet wheel (29), which is arranged to rotate simultaneously with the first planet wheel (25), and a gear rim (30), which with internal teeth meshes with the second planet wheel (29) and is non-rotatably mounted on the drive socket (15) to rotate the same.

REFERENCES:
patent: 1770240 (1930-07-01), Magnuson
patent: 2443027 (1948-06-01), Dishmaker
patent: 2555428 (1951-06-01), Tuttle
patent: 2757453 (1956-08-01), Brunson
patent: 2953852 (1960-09-01), Dehn
patent: 4215451 (1980-08-01), Wikoff
patent: 4245516 (1981-01-01), Day
patent: 4987732 (1991-01-01), Terai et al.
patent: 5010717 (1991-04-01), Nakamura et al.
patent: 6076265 (2000-06-01), Huang Lo

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