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:
Apr. 16, 1996
Filed:
Aug. 02, 1994
Lawrence Crainich, Charlestown, NH (US);
Design Standards Corporation, Charlestown, NH (US);
Abstract
This invention relates to a syringe assembly which includes a housing having a barrel having a forward fluid discharge end; a plunger disposed within said barrel and having a threaded rod extending therefrom; a threaded nut element for engaging said threaded rod for threaded advancement of said plunger relative to said barrel; and a control lever for positively engaging and positively disengaging said threaded nut element with said threaded rod, said control lever having a first arm member connected to said threaded nut element and being pivotably mounted for pivot between an engaged position wherein said first arm member positively engages said threaded nut element with said threaded rod, and a disengaged position wherein said first arm member positively disengages said threaded nut element from said threaded rod.