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:
Dec. 31, 2013
Filed:
Dec. 23, 2011
Richard Brummitt, Basingstoke, GB;
Richard Brummitt, Basingstoke, GB;
P.C. Cox Limited, Berkshire, GB;
Abstract
A pneumatic dispenser is provided comprising a handle with an actuation arrangement comprising two actuation surfaces, each for actuation by an operator holding the handle to selectively apply pressure to a respective one of the front and rear chambers on either side of a piston couple to a rod for applying a dispensing force, thereby controlling advance and retreat of the rod. Further, a valve is provided comprising a body and first and second moveable members. The valve can be arranged as a space saving five port valve for use in the disclosed dispenser. Additionally, a dispenser comprising a stock portion and a cylinder secured to the stock portion is disclosed. Pressure is supplied to the rear chamber of the cylinder from the stock portion through its front chamber and the piston moveable inside the cylinder.