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:
Aug. 30, 2005
Filed:
May. 30, 2003
Jonathan Lopez, Vernon Hills, IL (US);
Timothy B. Pearson, Antioch, IL (US);
David B. Gerhart, Chicago, IL (US);
Jonathan Lopez, Vernon Hills, IL (US);
Timothy B. Pearson, Antioch, IL (US);
David B. Gerhart, Chicago, IL (US);
Illinois Tool Works, Inc., Glenview, IL (US);
Abstract
A gripper assembly for a strapping head for a strapping machine includes a body having a generally rectangular cross-section and defining a cavity therein having an end wall. The body has a gripping pad on an exterior portion thereof. The body further includes pin openings in opposing walls. A single spring stack is disposed in the cavity. An end of the spring stack abuts the inner end wall of the body. A follower block is positioned in the cavity. The follower block has a base and a roller support portion. The roller support portion has pin openings therein. A roller is positioned in the roller support portion. The roller has a passage therethrough. A retaining pin is disposed through the body pin openings, the follower block pin openings and the roller passage. The retaining pin is disposed to maintain the follower block within the body cavity with the roller secured thereto and to maintain the spring stack captured within the body cavity.