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:
Nov. 19, 2019
Filed:
Jun. 27, 2016
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Masakazu Kobayashi, Osaka, JP;
Abstract
An electromagnetic device includes an excitation coil, a stator magnetically combined with the excitation coil, a movable element configured to, when current is flown in the excitation coil, be attracted to the stator by magnetic flux generated at the excitation coil to move in a first direction, and move to a position to be in contact with the stator, a yoke having a first end and a second end, and forming a part of a magnetic path for the magnetic flux generated at the excitation coil, and a yoke extension connected to the second end of the yoke and magnetically combined with the yoke, the stator, and the movable element. An end of the yoke extension in the first direction is positioned on a side of the first direction with respect to an end of the stator in the second direction.