Mailing machine tape knife

Details Mailing machine tape knife Mailing machine tape knife

1983-07-25

1985-01-15

Yost, Frank T.

Cutting

With means to guide moving work

Guide fixed to or integral with stationary tool element

83586, 83611, 83673, B26D 114

Patent

active

044932367

ABSTRACT:
A device for cutting roll tape, including a frame, a serrated rotary blade pivotably mounted in the frame, the rotary blade having a plurality of cutting teeth formed by grooves running perpendicular to the axis of the rotary blade and a flat surface cut across the rotary blade, and at least one continuous groove at each end of the serrated rotary blade adjacent the plurality of cutting teeth, a serrated stationary blade pivotably mounted on the frame, the stationary blade having a plurality of cutting teeth, the stationary blade cutting teeth being meshable with the cutting teeth on the rotary blade, the stationary blade also having at least one long tooth at each end of the stationary blade adjacent the plurality of short cutting teeth, the long teeth reaching the tangency of the continuous grooves and riding therein, and wherein the cutting teeth are sufficiently shortened to provide the desired clearance at the cutting interface, and a biasing element for biasing the long teeth of the stationary blade into the continuous grooves of the rotary blade.

REFERENCES:
patent: 1849443 (1932-03-01), Wheeler, Jr. et al.
patent: 3568556 (1971-03-01), Gesell et al.
patent: 3651727 (1972-03-01), Suzuki et al.
patent: 3855891 (1974-12-01), Young
patent: 4114491 (1978-09-01), Hashimoto et al.

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