Tool holder bushing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 25, 1990
Issued Date -
N/A
app pub date -
Dec 4, 1989
filing date -
Dec 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tubular bushing receives the shank of an elongated tool, such as a boring bar, drill and the like shank tools, for mounting the tool shank within the elongated tool socket bore of a tool holder or turret of a machine tool. A narrow slot formed in the tube wall extends substantially the full length of the bushing parallel to the tube axis. A considerably narrower slit formed in the tube wall extends from each of the opposite ends of the tube to the adjacent ends of the slots. A narrow, flat band extends along the interior of the tube wall, parallel to the tube axis and radially offset relative to the slot. Thus, set screws mounted in the tool socket defining wall and extending transversely of the socket engage either the flat band, to resiliently compress the bushing around the tool shank, or extend through the slot to directly engage the shank, for securing the tool and bushing within the socket. One of the internal and external diameters of the tube may be dimensioned in accordance with the metric system and the other may be dimensioned in accordance with the inch measuring system.
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