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:
Jul. 22, 2003
Filed:
Mar. 05, 2001
Jon P. Drake, Chattaroy, WA (US);
Michael D. Gerst, Lake Liberty, WA (US);
Alliance Machine Systems International, LLC, Spokane, WA (US);
Abstract
An improved prefeeder assembly ( ) for receiving a stack ( ) of blanks and for inverting and passing the inverted blanks to processing equipment, the prefeeder assembly ( ) having a rotator frame ( ) which is positonable in an upright load entry position and an inverted bundle discharge position. A rotator infeed conveyor ( ) is supported by the rotator frame ( ) to receive and support a stack while a lift platform assembly ( ) is also supported by the rotator frame ( ) to clamp the stack ( ) onto the rotator conveyor ( ). A backstop and pusher assembly ( ) is also supported on the rotator frame ( ) and includes a moveable backstop ( ) and a pusher member ( ) for discharging a selective height of the stack.