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, 1983
Filed:
Oct. 01, 1980
Robert W McGill, Munroe Falls, OH (US);
A-T-O Inc. (now Figgie International), , OH (US);
Abstract
The stroke of an air driven power cylinder is controlled through a load means attached to the piston rod, a control valve means connected to the cylinder to control air exhaust from the cylinder on the extension stroke of the piston, and an external cushion valve means operably connects to the control valve means and the load means for air exhaust flow therethrough in a controlled manner but for shut-off of the air exhaust as the piston approaches the end of its stroke to trap some air in the cylinder before the piston stroke ends, the cushion valve means having a member therein of adjustable position for control of the length of stroke of the piston.