The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 29, 2009
Filed:
Mar. 20, 2006
David Roberts Mcmurtry, Dursley, GB;
Geoffrey Mcfarland, Wotton-under-Edge, GB;
David Kenneth Thomas, Bristol, GB;
David Roberts McMurtry, Dursley, GB;
Geoffrey McFarland, Wotton-under-Edge, GB;
David Kenneth Thomas, Bristol, GB;
Renishaw PLC, Wooton-under-Edge, GB;
Abstract
A tool shank () is described that comprises a spindle attachment portion () that is removably attachable to the rotatable spindle () of a machine tool (), a shank body portion () which extends beyond the end of the spindle when the tool shank () is attached to the spindle () of a machine tool () and the first part () of a separable electrical coupling (). The shank body portion comprises a feature () suitable for engagement with a tool change device () and the first part () of the separable electrical coupling () is located on the shank body portion () between the feature () and the spindle attachment portion (). A machine tool (), and a kit for retrofitting a machine tool (), that comprise the second part () of the separable electrical coupling () are also described.