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:
May. 18, 1982
Filed:
Jan. 30, 1981
Motohiro Niki, Bunkyo-ku, Tokyo-to, JP;
Other;
Abstract
In a water dispenser for feeding small animals comprising a casing, water supply means having an outlet, valve means for controlling water feed disposed in the outlet, and a water feed tube, the valve means comprises: an elastic valve seat member having an annular disk portion constituting the valve seat and a cylindrical portion formed coaxially and integrally with the disk portion; a poppet valve normally closed against the valve seat and fixed to the upstream end of the feed tube, which, upon being nudged and moved at its downstream end by a small animal, opens the poppet valve to permit water from the supply means to enter the cylindrical portion of the valve and then into the feed tube; and a coil spring fitted in compressed state around the cylindrical portion to elastically reinforce the same.