Cutting – Cutting motion of tool has component in direction of moving... – With means to render cutter pass ineffective
Patent
1978-10-04
1980-05-13
Meister, J. M.
Cutting
Cutting motion of tool has component in direction of moving...
With means to render cutter pass ineffective
83311, 83327, 83331, B26F 108, B31B 114, B26D 700
Patent
active
042022290
ABSTRACT:
Cutting or perforating apparatus for a web of material enabling at least one knife on at least one rotary knife shaft to cut the web at adjustable intervals comprises mounting plates for the knife shaft that are fixed on a rotatable plate shaft. The knife shaft is driven by a central gear freely rotatable on the plate shaft. An operative connection between the plate shaft and control gear comprises a first gear fixed to the plate shaft and engaging a second gear rotatable on a fixed pin, a third gear rotatable on said pin and engaging a fourth gear fixed to said central gear. Said second and third gears are coupled by a mechanism comprising a first gear segment connected to said third gear and engaging a second gear segment secured to a freely rotatable pin eccentrically positioned on said second gear, said rotatable pin also carrying a slotted link slidable on a fixed projection. The radial spacing of said projection from said fixed pin is half the eccentricity of said rotatable pin and equal to the radii of the pitch circles of said gear segments.
Meister J. M.
Windmoller & Holscher
LandOfFree
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