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:
Aug. 27, 2002
Filed:
Aug. 01, 2000
Nidec Copal Corporation, Tokyo, JP;
Abstract
The present invention aims at providing a small size air pump which has a simple structure and is less likely to incur restrictions on its space for installation and accommodation. The present invention provides a small size air pump in which a motor is driven to actuate a pump section , so as to carry out a predetermined aspirating operation; the air pump comprising a worm gear disposed at an output shaft 4 of the motor ; a worm wheel , disposed between the motor and the pump section , meshing with the worm gear ; a smaller gear disposed coaxial with the worm wheel ; a larger gear , disposed at a position held between the motor and the pump section , meshing with the smaller gear ; and an actuator element having one end pivotally connected to a periphery of a flat part 20 of the larger gear and the other end connected to an end part of a piston of the pump section