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. 17, 2015
Filed:
Jan. 28, 2013
Anden Co., Ltd., Anjo, Aichi-pref., JP;
Nippon Soken, Inc., Nishio, Aichi, JP;
Osamu Daitoku, Kariya, JP;
Tomoaki Tanaka, Okazaki, JP;
Masanao Sugisawa, Hekinan, JP;
Ken Tanaka, Nukata-gun, JP;
Kiyonari Kojima, Miyoshi, JP;
ANDEN CO., LTD., Anjo, JP;
NIPPON SOKEN, INC., Nishio, JP;
Abstract
A solenoid device includes: at least one electromagnetic coil that generates a magnetic flux when the electromagnetic coil is energized; a yoke made of soft magnetic material, in which the magnetic flux flows; and a plurality of plungers, each of which includes at least a part made of soft magnetic material, and reciprocates when the electromagnetic coil is switched between energization and interruption of energization. The number of the plurality of plungers is larger than the number of the electromagnetic coil. The plurality of plungers reciprocate independently from each other.