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:
Dec. 19, 2000
Filed:
Feb. 15, 2000
Nissin Kogyo Co., Ltd., Nagano, JP;
Abstract
A pump actuation motor includes a yoke (15), a rotation shaft (12) that has, on one end side, a supported shaft portion (12d) that is inserted into and supported by a block body (9) and an eccentric shaft portion (12c) that actuates the plunger pumps (5) and (6) and, on the other end side, a rotor and a commutator (22) attached therearound, a brush holder (23) that holds a brush (24) that can supply electric power from-the block body (9) side to the commutator (22), and a housing (26) that is so mounted between the yoke (15) and the block body (9)side as to cover an opening of such yoke (15), wherein the rotation shaft (12) includes a recessed portion (12a) that opens on an end surface of the other end side while the yoke (15) includes a protruding portion 15a that protrudes into the recessed portion (12a) that is formed as a part of such yoke (15), and the other end side of the rotation shaft (12) is supported by such protruding portion (15a).