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:
Oct. 17, 2017
Filed:
Nov. 13, 2015
Nikon Corporation, Tokyo, JP;
Kenji Omata, Utsunomiya, JP;
Takashi Nagase, Iruma, JP;
NIKON CORPORATION, Tokyo, JP;
Abstract
A drive apparatus includes a motor having a drive part that rotates a first shaft member; a transmission part that transmits rotation of the first shaft member to a second shaft member which is different from the first shaft member; a first detection device provided at the first shaft member to detect information regarding rotation of the drive part; a second detection device provided at the second shaft member to detect information regarding rotation of the transmission part; and a prevention part that prevents movement of foreign substance toward a detection part which includes at least one of the first detection device and the second detection device.