Rotary cutter blade-adjusting apparatus

Claim 1

For use with an assembly which includes a rotary cutter blade member having a cutting edge, a positioning member engaging said blade member and having a predetermined position when affixed in a cutter, and adjustable connecting means releasably connecting said members to each other for adjustable movement one with respect to the other in a direction extending transversely of said cutting edge for releasably fixing said members to each other with said cutting edge at a location with respect to said positioning member which will provide for proper operation of the cutting edge when the blade member and positioning member are assembled with the remainder of the cutter with said positioning member situated at said predetermined position in the cutter: a gauge coacting with said members for determining the adjustment thereof with respect to each other, said gauge having an edgeengaging portion for engaging the cutting edge of said blade member and a positioning-member-engaging portion for engaging said positioning member, the latter engaging portion being situated from said edge-engaging portion by a distance which will determine the proper position of said members with respect to each other when said edge of said blade member engages said edgeengaging portion of said gauge and said positioning member engages said positioning-member-engaging portion of said gauge, said gauge having a flat surface for supporting said blade and a flange extending perpendicularly from said flat surface and having a side surface which forms said edge-engaging portion to engage the edge of said blade.