Cutting by use of rotating axially moving tool – Tool-support – With tool-retaining means
Patent
1975-10-16
1977-08-09
Weidenfeld, Gil
Cutting by use of rotating axially moving tool
Tool-support
With tool-retaining means
90 11D, B23B 3104
Patent
active
040407659
ABSTRACT:
A reamer having a tool shank and a detachable reamer head in which the shank is provided at one end with means to be engaged by the spindle of a machine tool and at the other with a sleeve defining a conical socket and the reamer head has an integral conical butt for engagement in the shank socket, the butt being detachably secured in the socket by means of a rigid force transmitting member extending lengthwise of the tool shank and connected at its ends to the reamer head butt and an axially movable screw threaded counterpiece engaged in screw threaded fashion on the shank so that rotation of the screw threaded counterpiece exerts a longitudinal force to draw the reamer head butt into and out of the conical head socket. Cooperating detent means are provided on the reamer head butt and tool shank sleeve to prevent relative rotation therebetween. The force transmitting member can take the form of a rod extending within a coaxial bore within the tool shank and threadwise engaged at one end with the butt and connected to the counterpiece at the other. In one embodiment, the connection can be a sliding one, the rod having an integral transversely extending cross-piece which is engaged between the parts of a double collar threaded on the tool shank. In another embodiment, the member can have a direct threadwise connection with a threaded socket at the base of the conical socket, a lengthwise passage being provided axially through the reamer head and butt to allow the member to be mechanically engaged and rotated.
REFERENCES:
patent: 2084801 (1937-06-01), Hall
patent: 3676120 (1972-07-01), Nelson et al.
patent: 3818797 (1974-06-01), Zettler
Daniel William J.
Merz AG Dulliken
Weidenfeld Gil
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