Title:
ANALOGUE MEASUREMENT PROBE FOR A MACHINE TOOL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2012/098355
Kind Code:
A8
Abstract:
An analogue probe for a machine tool apparatus, comprising a probe body and a stylus member movably secured to the probe body in a suspended rest position via a suspension mechanism. A sensor is provided for measuring the extent of displacement of the stylus member relative to the probe body from a rest position. The analogue probe further comprises a first compliant sealing member extending between the probe body and stylus member such that the sensor is contained within a chamber sealed from external contaminants. The analogue probe also has for a suppressor for suppressing movement of the stylus member away from its suspended rest position induced by changes in the chamber's internal pressure and/or changes in the analogue probe's operating environment.
Inventors:
MCMURTRY DAVID ROBERTS (GB)
COLLINGWOOD DAVID (GB)
COLLINGWOOD DAVID (GB)
Application Number:
PCT/GB2012/000045
Publication Date:
July 25, 2013
Filing Date:
January 19, 2012
Export Citation:
Assignee:
RENISHAW PLC (GB)
MCMURTRY DAVID ROBERTS (GB)
COLLINGWOOD DAVID (GB)
MCMURTRY DAVID ROBERTS (GB)
COLLINGWOOD DAVID (GB)
International Classes:
G01B5/012; G01B7/00; G01B7/012; G05B19/404
Attorney, Agent or Firm:
ROLFE, Edward, Wiliam (Patent DepartmentNew Mills, Wotton-under-Edge GL12 8JR, GB)
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