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:
Jul. 28, 2009
Filed:
Dec. 04, 2006
Takayuki Yazawa, Nagano, JP;
Yasunori Takeuti, Nagano, JP;
Hiroto Nakajima, Nagano, JP;
Hirokazu Watanabe, Nagano, JP;
Takayuki Yazawa, Nagano, JP;
Yasunori Takeuti, Nagano, JP;
Hiroto Nakajima, Nagano, JP;
Hirokazu Watanabe, Nagano, JP;
Nidec Sankyo Corporation, , JP;
Abstract
An industrial robot may include a main body part and an arm part including a first arm, a second arm and a hand arm. The main body part is provided with a first turnable shaft for performing an expansion-contraction operation of the arm part, a second turnable shaft which is disposed within the first turnable shaft for changing an expansion-contraction direction of the hand arm together with the first arm, a first sensor mechanism including a first sensor for detecting a home position of the second turnable shaft, a second sensor mechanism provided in the second turnable shaft and which includes a second sensor for detecting a relative home position between the second turnable shaft and the first turnable shaft, and a rotary joint which is connected with the second turnable shaft and is electrically connected with the second sensor.