Methods and apparatus for counterbalance-assisted...

Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Magnetic or suction means

Reexamination Certificate

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C408S0010BD, C408S077000, C408S088000, C408S235000, C409S132000, C409S178000

Reexamination Certificate

active

10606443

ABSTRACT:
Methods and apparatus for counterbalanced manufacturing operations are disclosed. In one embodiment, an apparatus for supporting a tool relative to a surface of a workpiece includes a base adapted to be attached to the workpiece, a tool support coupled to the base, and a biasing device coupled to both the base and the tool support. The tool support is moveable relative to the base along a translation axis, and the biasing device is biasable along a biasing axis that is at least partially along the translation axis. The biasing device is adapted to at least partially counterbalance a force (e.g. a gravitational force) exerted on the tool support along the translation axis.

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