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:
May. 12, 2009
Filed:
Sep. 18, 2006
Gang Ou, Singapore, SG;
Ajit Gaunekar, Sinagpore, SG;
Tin Kwan Bobby Chan, Singapore, SG;
Gary Peter Widdowson, Hong Kong, HK;
Yun BO He, Singapore, SG;
Dong Sheng Zhang, Singapore, SG;
Gang Ou, Singapore, SG;
Ajit Gaunekar, Sinagpore, SG;
Tin Kwan Bobby Chan, Singapore, SG;
Gary Peter Widdowson, Hong Kong, HK;
Yun Bo He, Singapore, SG;
Dong Sheng Zhang, Singapore, SG;
ASM Technology Singapore Pte Ltd., Singapore, SG;
Abstract
A direct drive robotic manipulator is provided which includes a plurality of segments that are rotatably coupled with respect to one another. A plurality of spindles connects the segments for relative rotation therebetween, and a plurality of direct drive assemblies is further coupled to the plurality of spindles. Each direct drive assembly encloses an end of a spindle and comprises a rotor assembly to which the spindle is attached for manipulating the spindle. A positional measurement apparatus may also be included at each direct drive assembly to ascertain an angular disposition of a segment relative to an adjoining segment.