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. 02, 2003
Filed:
Jul. 11, 2001
Fritz Kirchhofer, Sumiswald, CH;
Thomas Gurtner, Koppigen, CH;
Disetronic Licensing AG, Burgdor, CH;
Abstract
The invention concerns a device for administering an injectable product in doses, wherein the device includes a casing, comprising a reservoir for the product, a piston, which when moved in a feed direction towards an outlet of the reservoir forces product from the reservoir, a gear rack, moving the piston in the feed direction, comprising a first series of teeth and a second series of teeth, a drive member, movable relative to the casing in and counter to the feed direction, and slaving the gear rack when moved in the feed direction, and a blocking means, arranged secured against shifting relative to the casing and cooperating with one of the series of teeth such that it prevents the gear rack from being moved counter to the feed direction and allows the gear rack to be moved in the feed direction.