Abstract A cut-off or grooving tool that includes a holder and a replaceable cutting insert with the holder including a main body portion, a support blade, and a clamping arm and with the insert being an elongate, relatively pencil-like component adapted to be seated on the blade of the holder and clamped in place thereon by the clamping arm with a backup element serving to determine the extent of longitudinal projection of the cutting insert on the support blade. The insert and holder are characterized by complementarily engaged V-shaped surfaces of the type set forth in Novkov U.S. Pat. No. 2,964,833. The shank portion of the insert generally has a lesser height than the shank portion of the insert shown in Novkov U.S. Pat. No. 2,964,833 while the cutting tip portion thereof has a proportionately greater heighth than that of the insert shown in Novkov U.S. Pat. No. 2,964,833. Use of the backup component rearwardly of the insert permits use of a series of such members so as to insure correct positioning of inserts having shank portions of different length.
A metal working tool of the character described, comprising; A. an elongate tool body; B. a support blade mounted on said tool body; C. a cutting element adapted to be seated on said support blade; D. a backup member adapted to be seated on said support blade rearwardly of said cutting element; E. a clamping member adapted to be releasably mounted on said tool body in overlying relationship with said cutting element and said backup member; F. said cutting element having an intermediate longitudinal undercut area on its bottom surface.
Claim 2
Dependent Claim
90 words
A metal working tool of the character described, comprising; A. an elongate tool body; B. a support blade mounted on said tool body; C. a cutting element adapted to be seated on said support blade; D. a backup member adapted to be seated on said support blade rearwardly of said cutting element; E. a clamping member adapted to be releasably mounted on said tool body in overlying relationship with said cutting element and said backup member; F. said cutting element having an intermediate longitudinal undercut area on its bottom surface.
Claim 3
Dependent Claim
166 words
A metal working tool of the character described, comprising; A. an elongate tool body; B. a support blade mounted on said tool body; C. a cutting element adapted to be seated on said support blade; D. a backup member adapted to be seated on said support blade rearwardly of said cutting element; E. a clamping member adapted to be releasably mounted on said tool body in overlying relationship with said cutting element and said backup member; F. said support blade being elongate and having a contoured top surface adjacent its forward end adapted to receive said cutting element and an offset top surface that is disposed rearwardly of said contoured surface and adapted to receive said backup member; G. said backup member having a reduced heighth forward end and having an enlarged heighth rear end, with said rear end being adapted to be seated on the offset top surface of said clamp with the forward end thereof overlying said contoured top surface of said support blade.
Claim 4
Dependent Claim
166 words
A metal working tool of the character described, comprising; A. an elongate tool body; B. a support blade mounted on said tool body; C. a cutting element adapted to be seated on said support blade; D. a backup member adapted to be seated on said support blade rearwardly of said cutting element; E. a clamping member adapted to be releasably mounted on said tool body in overlying relationship with said cutting element and said backup member; F. said support blade being elongate and having a contoured top surface adjacent its forward end adapted to receive said cutting element and an offset top surface that is disposed rearwardly of said contoured surface and adapted to receive said backup member; G. said backup member having a reduced heighth forward end and having an enlarged heighth rear end, with said rear end being adapted to be seated on the offset top surface of said clamp with the forward end thereof overlying said contoured top surface of said support blade.