Turnlock small circle compass attachment
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United States of America Patent
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-
Aug 8, 2017
Issued Date -
N/A
app pub date -
Aug 29, 2013
filing date -
Aug 31, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A circle compass is provided. The circle compass includes a main body attachable to a router and an adjustable arm. The main body includes a central receiving aperture configured to receive a router bit or shaft therethrough. The adjustable arm is slidably attached to the main body and has a centering pin. The centering pin extends axially outward beyond a bottom side of the main body. The adjustable arm is slidable along an adjustment axis between a retracted position being associated with a smallest hole that can be formed and an extended position being associated with the largest hole that can be formed. The adjustable arm includes a clearance slot that at least partially aligns with the central receiving aperture of the main body through which the rotating portion of the router must extend to form a cut in the work piece.
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