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:
Jan. 13, 2004
Filed:
Dec. 05, 2000
Yukio Ikeda, Yono-shi, Saitama-ken, 338-0014, JP;
Other;
Abstract
A suction unit comprises reciprocating change-over suction device including tubular body having with passage and two branch passages and bifurcated from passage connected to a suction apparatus. Cylinder is movable in body and has ventilation passages and and actuation plates and fixed to ends of cylinder . Chambers and are connected to the end portions of body with closing members closing openings of the chambers. Elastic containers and are contained in chambers and , openings of these containers being fixed to inner surfaces of closing members and . Closed valves and are on chambers and and suction tubes and are connected to inflow passages and of members and and, at another end, are connected to common suction tube . Discharging tubes and are connected to outflow passages and of members and and, at another end, to storage container