Gripping assembly

A gripping assembly for a robot arm comprises at least one finger assembly (which may be a parallel linkage 6 or a set of serially articulated finger elements for example) provided with a touch sensor 23 for generating a control signal, first and second drive means coupled to the finger assembly, th...

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Bibliographic Details
Main Author DAVID CHRISTOPHER MUNDAY
Format Patent
LanguageEnglish
Published 14.05.1986
Edition4
Subjects
CHAMBERS PROVIDED WITH MANIPULATION DEVICES
HAND TOOLS
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TRANSPORTING
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Summary:A gripping assembly for a robot arm comprises at least one finger assembly (which may be a parallel linkage 6 or a set of serially articulated finger elements for example) provided with a touch sensor 23 for generating a control signal, first and second drive means coupled to the finger assembly, the second drive means 24, 25 being relatively slow and powerful in comparison with the first drive means 14, 15 and control means 1 arranged to selectively activate the first and second drive means in dependence upon the control signal. Preferably the first drive means remains friction-locked when deactivated, so that it can be used to rapidly locate the finger assembly round an object and can then be deactivated whilst the second drive means is activated to firmly grip the object.
Bibliography:Application Number: GB19850027373