Donald J Roller

US Patent:

43255442, Apr 20, 1982

Filed:

May 2, 1980

Appl. No.:

6/146948

Inventors:

Robert Magno - Boulder CO
Donald C. Roller - Boulder CO
Allan J. Rood - Longmont CO

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

B65H 3138
B65H 3124

US Classification:

271221

Abstract:

Sheet-like articles, such as paper, entering one or more support trays are aligned in one or more vertical stacks by a pair of rotating drive devices positioned vertically and adjacent to opposite sides of the support trays. The rotating drive devices include a plurality of resilient flaps mounted to a support member. The flaps are configured to reach over a stack of sheets thereby contacting a sheet on its top surface as well as on its edge.

US Patent:

44389175, Mar 27, 1984

Filed:

Oct 16, 1981

Appl. No.:

6/311837

Inventors:

Donovan M. Janssen - Boulder CO
John P. Mantey - Boulder CO
Donald C. Roller - Boulder CO
Lance A. Walker - Longmont CO

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

B65H 920

US Classification:

271227

Abstract:

A device for feeding sheets from a supply station aligning the sheets in an X, Y and. theta. coordinates and then gating the sheet into a work station such as the transfer station of a copier. The device includes a pair of independently servo-controlled motors disposed on opposite sides of the sheet. Each motor drives a nip roller which transports the copy sheet. Sensors are disposed to generate signals representative of sheet position in the X, Y and. theta. coordinates. A controller uses the signals to adjust the angular velocity of the motor so that the sheet is squared and is gated onto the work station. The sensors and controller are utilized to measure different parameters associated with the sheet.