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:
Sep. 27, 1988
Filed:
Nov. 03, 1986
Otto Katz, 8540 Schwabach, DE;
Other;
Abstract
A pin-shaped device for releasing a flowable medium comprises a housing having front and rear ends and an axis, a brush-like application element arranged to extend through the front end of the housing and displaceable in a an axial direction, a piston rod arranged to displace the application element, the piston rod being axially movable in a guiding opening of the housing, a pressure spring acting upon the piston rod so that the piston rod is movable in the guiding opening under the action of the pressure spring, a dosing piston being in communication with the application element, a control piston formed so that the control piston and the application element are fixedly connected with the piston rod, while the dosing piston is axially movable relative to the piston rod, a supply chamber and a dosing chamber formed in the housing and connected with one another such that the dosing chamber is alternatingly closable during the movement of the piston rod at axially opposite ends, and a sealing ring and a sealing cylinder arranged so that the control piston abuts at one end of the dosing chamber against the sealing ring, while the dosing piston lies at an opposite end of the dosing chamber in the sealing cylinder.