Patent ID: 6249982
Filing Date: 2001-06-26
Classification: B27G,B27M

Abstract:
A manual planing machine, comprising a planer housing; a planer shaft carried by said planer housing and having at least one longitudinal slot of such a configuration that said longitudinal slot can fittingly receive only planer knives of mini reversible tip type; an elongated flat planer knife clamped in a detachable manner in said at least one longitudinal slot, said planer knife having only one cutting edge located on one side thereof and a back groove extending parallel to said cutting edge, said planer shaft having a holding rib on a side of said longitudinal slot said back groove engaging said holding rib to prevent an unintentional detachment from said planer shaft; at least one stop provided at a side of said longitudinal slot and formed so that said planer knife is supported on said at least one stop radially for fixing said cutting edge on a provided flight circle, said cutting edge extending in a corrugated manner in such a way that troughs of said cutting edge lie on a common first straight line having a same spacing relative to said back groove as a cutting edge of the planer knife of a mini reversible tip type while crests of said cutting edge lie on a common second straight line which extends 0.5-1.5 mm radially above said first straight line, said planer knife having a contact edge which is flattened and right-angled relative to a back side of the planer knife cutting edge, said contact edge being provided on a side of the planer knife located opposite to said one side of the planer knife for support at said radial stop of said planer shaft.