EXPANDING ARBOR
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Dec 4, 2014
app pub date -
Sep 17, 2012
filing date -
Sep 16, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An expandable arbor for mounting a tool or work piece to a machine tool includes a mounting portion including a tubular section having conical exterior surface flaring outwardly towards a substantially closed end thereof. The arbor includes an opposing end having a plug removably disposed therein. The closed end has a finger extending axially therefrom. The mounting portion is configured to be rotatably coupled to a machine tool spindle and defines a keyway configured on a portion of an outer surface thereof. The arbor includes a clamping portion comprising an expandable sleeve slidably positioned over the finger. The finger is axially movable relative to and within the expandable sleeve. A nut is positioned over a portion of the expandable sleeve for axially retaining the expandable sleeve relative to the machine tool and allowing radial movement of the expandable sleeve. The finger is axially movable within the expandable sleeve between a clamped position and an unclamped position upon application and removal of a force to the conical exterior surface. In the clamped position, the expandable sleeve is radially expanded relative to the unclamped position.
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