Quick-release arbor for hole saw
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United States of America Patent
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-
Dec 12, 2017
Issued Date -
N/A
app pub date -
Jan 21, 2016
filing date -
Mar 27, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A quick-release arbor is adapted for a cylindrical hole saw that has a bottom wall having a threaded central aperture and opposing indexing holes. The arbor has a central hexagonal passage with opposing key slots passing therethrough and a threaded hole saw fitting axially aligned with the hexagonal passage. The arbor has a hexagonal pilot shaft securely holding a pilot drill bit and intermediate opposing keys forming a position lock. The pilot shaft is adapted to freely pass through the passage. Within the arbor is a button chamber that is transverse to the hexagonal passage with a rear wall. A biased button is located within the button chamber having upper and lower cuts outs to permit the pilot shaft to freely pass through the cut outs of the button when the button is depressed and having rear pocket to capture one of the pilot shaft opposing keys when the button is released.
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