Tubular knife

Details Tubular knife Tubular knife

1981-08-19

1983-11-01

Schran, Donald R.

Cutting

By increased tensioning of work-enclosing wire

83199, 83575, B26D 138

Patent

active

044124660

ABSTRACT:
A tubular knife comprising a stationary, inner cylindrical member having a slot extending substantially longitudinally thereof, the slot having a longitudinally extending upper edge and a longitudinally extending lower cutting edge, a rotatable, outer tube concentric and substantially contiguous with the inner member, the outer tube having a slot substantially co-extensive with the slot of the inner member, the outer tube slot having an upper cutting edge inclined at a slight angle with respect to the lower cutting edge of the inner member slot, a device for biasing the outer tube to a position wherein the slot of the outer tube is substantially aligned with the slot of the inner member, and means for rotating the upper cutting edge of the outer slot past the lower cutting edge of the inner slot.

REFERENCES:
patent: 2507059 (1950-05-01), Suman
patent: 3149518 (1964-09-01), Winestock
patent: 3855891 (1974-12-01), Young
patent: 4063481 (1977-12-01), Raudys et al.
patent: 4116784 (1978-09-01), Lass

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