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:
May. 17, 1994
Filed:
Jul. 30, 1992
Stuart Martin, Corydon, IN (US);
Jim Lancaster, Louisville, KY (US);
John Fain, Louisville, KY (US);
Lantech, Inc., Louisville, KY (US);
Abstract
A stretch wrap packaging machine includes a support frame and a rotatable frame rotatably mounted on the support frame. A dispenser is mounted on the rotatable frame to follow an orbital path. The dispenser has a web tensioning system which is selectably operable in a plurality of states. At least one actuation ring is moveably mounted on the support frame for cooperation with the tensioning system and selectively rendering the tensioning system operable in each of the plurality of states of operation throughout the orbital path. An activator moves the actuation ring to cooperate with the tensioning system. The tensioning system may include prestretch rollers connected by an engageable clutch. The tensioning system may also include at least one power assisted roller which is connected by a clutch to a power source.