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, 2013
Filed:
May. 10, 2010
Naoki Oikawa, Miyagi, JP;
Shigeto Ryuen, Sendai, JP;
Takashi Yokoyama, Natori, JP;
Keihin Corporation, Tokyo, JP;
Abstract
A linear solenoid comprising: linear solenoid portion, comprising: a coil; a cylindrical movable core which is attracted toward a fixed core when the coil is energized; and a cylindrical yoke which surrounds an outer circumference surface of the movable core, wherein the movable core has a shaft-less structure, a first plain bearing and a second plain bearing for slidably supporting both ends of the movable core are provided respectively at both ends of a cylindrical yoke along its axis, and the first plain bearing and the second plain bearing are provided to be projected from the inner circumference surface of the cylindrical yoke by a predetermined length T toward the movable core.