Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Adjustable – tool-guiding jig
Reexamination Certificate
2007-03-16
2009-10-06
Gates, Eric A (Department: 3726)
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Adjustable, tool-guiding jig
C408S097000, C408S103000, C408S24100G
Reexamination Certificate
active
07597513
ABSTRACT:
An improved upright drilling jig comprises two parallel panels parallelly mounted on a leveled base platform, and an inclined-hole drilling jig slidably disposed between the sides of the parallel panels in a manner that it can be vertically adjusted. A sliding saddle is slidably mounted at the top of the inclined-hole drilling jig through two axial bars. The rear side of the drilling jig is concavely constricted to form a bow jumper area and disposed with a discharge concavity in a manner approaching a clamping end plane. The discharge concavity has a chip hole inside that communicates with a guide axle hole. Such arrangement can achieve optimum performance of inclined hole drilling of woodwork.
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