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:
Feb. 26, 1991
Filed:
Sep. 19, 1989
Applicant:
Inventor:
Travis M Randolph, Holland, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06C / ; D06C / ;
U.S. Cl.
CPC ...
38102 ; 381021 ; 3810291 ;
Abstract
A machine for stretching fabric over a panel frame has a surface for supporting the frame in a preferably horizontal position. The frame is usually rectangular, and sets of opposed jaws are arranged around the perimeter of the supported frame, with the jaws being interconnected by a pneumatic piston-cylinder actuator. One of the jaws is also connected to a second actuator, which induces downward movement of the jaws to stretch the grasped fabric over the panel frame. The latter actuators are energized by a common pressure source to equalize the tension on the opposite sides of the panel frame.