Method for dynamically lifting elevator platform of media input tray during ongoing media process

US7887045B2 · kind B2 · utility

Assignee

• Lexmark International, Inc. · US

Inventors

• Douglas Andagan Baena, Jr. · Dumaguete, PH
• William Paul Cook · Lexington, US
• Robert Ryan Fresnoza Cruz · Mandaue, PH
• Irvin Langit Libres · Balamban, PH
• Jake Tia Pia · Liloan, PH
• Jason Lee Rowe · Richmond, US
• Kim Limpahan Balahan · Dumaguete, PH
• Stacey Edward Balch · Versailles, US
• Daniel Paul Cahill · Verona, US

Key dates

• Filing date: Jul 18, 2008
• Grant date: Feb 15, 2011
• Expiry date: Jul 18, 2028

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65H2801/06
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A method for dynamically lifting an elevator includes picking a sheet from a stack to feed to a media process where the stack is on a platform that can be lifted by an elevator, performing the media process, sensing a top of the stack to detect presence or absence of the stack at a media home position, sensing the top of the stack to detect presence or absence of the stack on the platform, sensing the platform to detect its presence or absence at a maximum elevator level, and indexing the stack at least once by lifting the platform through a given distance, during the media process and not during picking a sheet, unless presence of the top of the stack at the media home position is sensed or absence of media sheets on the elevator platform is sensed or presence of the elevator platform at the maximum elevator level is sensed.