Caterpillar Inc.

David Eugene Cooper

Terril James Johnson

Brad Robert Van De Veer

Corey Lee Gorman

Rustin Glenn Metzger

Kevin M Egle

Anthony Dean McNealy

Francis B Huck, Jr

Andrew Sumners

Warren J Hartmann

Matthew Bunge

An excavator machine includes an undercarriage assembly including a drive assembly, and a carriage assembly rotatably coupled to the undercarriage assembly and including an operator cab positioned at a front of the carriage assembly. The excavator machine also includes a boom assembly. The boom assembly is coupled to the carriage assembly via two branches, and the branches are coupled to the carriage assembly on opposing sides of the operator cab.

Machine with a boom assembly

Machine with a boom assembly and connection member

A method for converting a wall configuration of a display device to a cave configuration, the display device including a first display module having a display screen including first and second opposite peripheral edges and means for displaying an image on the display screen, a second display module having a display screen including a peripheral edge and means for displaying an image on the display screen, and a third display model having a display screen including a peripheral edge and means for displaying an image on the display screen. Additionally the invention includes a method for converting a cave configuration of a display device to a wall configuration.

Display device convertible between a cave configuration and a wall configuration

A display device convertible between a cave configuration and a wall configuration. The present display device includes a first display module having a display screen including first and second opposite peripheral edges and a first video projector for displaying an image on the display screen. The display device includes a second display module having a display screen including a peripheral edge and a second video projector for displaying an image on the display screen, and a third display module having a display screen including a peripheral edge and a third video projector for displaying an image on the display screen, wherein the second and third display modules are positionable with the respective peripheral edges of the display screens thereof in abutting relation to the display screen of the first display module with all of the display screens generally coplanar in the wall configuration, and wherein the second and third display modules are positionable with the respective peripheral edges of the display screens thereof in abutting relation to the display screen of the first display module and the display screens of the second and third display modules angularly related to the display screen of the first display module in the cave configuration.

Growing community of inventors

Chillicothe, IL, United States of America

David Eugene Cooper