Contamination trap
AssigneeRenishaw PLC
InventorStephen Paul Hunter
Life of this patent
Estimating the term…
Abstract
A coordinate positioning apparatus for inspecting an artefact. The coordinate positioning apparatus includes at least one moveable member moveable in at least one degree of freedom, and at least one motor and at least one bearing arrangement for facilitating said movement. At least a part of the at least one motor and/or at least one bearing arrangement are located inside a protective housing therefor. A ferromagnetic contamination trap comprising at least one magnet is provided and configured to attract and retain ferromagnetic contamination entering the protective housing.
Claims15
A coordinate positioning apparatus for inspecting an artefact, comprising at least one moveable member moveable in at least one degree of freedom, and at least one motor and at least one bearing arrangement for facilitating said movement, at least a part of the at least one motor and/or at least one bearing arrangement being located inside a protective housing therefor, and in which a ferromagnetic contamination trap comprising at least one magnet is provided and configured to attract and retain ferromagnetic contamination entering the protective housing.
A coordinate positioning apparatus, comprising a plurality of moveable members for effecting relative movement of a tool relative to a workpiece, the coordinate positioning apparatus comprising a moveable cover which moves with a moveable member of the coordinate positioning apparatus, a part of the moveable cover being received within a track for guiding the movement of the moveable cover, and the track comprising a groove which extends along the length of the track in which dirt and contamination can collect away from the moveable cover.
Dependencies are inferred from the claim text.