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. 16, 1996
Filed:
Dec. 07, 1994
Shin Caterpillar Mitsubishi Ltd., Tokyo, JP;
Abstract
An excavator control apparatus for shovel-type construction equipment includes an automatic digging control section, a digging load control device, and an operation command correcting device. The shovel-type construction equipment has a boom, an arm and a bucket that are successively and rotatably connected in an operation section. The boom, the arm and the bucket are each connected to at least one cylinder that extends and retracts according to the operation of a lever. The digging load control device permits an automatic digging routine to be executed by controlling the extension and retraction of the cylinder. The digging load control device transmits operation commands to the cylinder to maintain a digging load approximately equal to a set digging load during automatic digging. The operation command correcting device corrects the operation commands transmitted to the cylinder by manual operation of the lever without cancelling the automatic digging routine.