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:
Nov. 20, 1984
Filed:
Sep. 27, 1982
Walter Bredow, Alfeld, DE;
C. Behrens AG, Alfeld, DE;
Abstract
An arrangement on a coordinate table of a processing machine for driving a carriage movable in an X-direction has a displacing device with a ball screw nut carried by a carriage and a ball screw cooperating with the ball screw nut and having two ends, two end supports each provided at the respective end of the ball screw and being stationary relative to the carriage, two additional supports provided for said ball screw and arranged on the carriage at opposite sides of the nut and movable relative to the carriage in direction of its movement, two stationary abutments each arranged at a respective one of the ends of the carriage and limiting a movement stroke of a respective one of the additional supports when the latter abut against the respective stationary abutment, two releasable abutment locks arranged so that each of the additional supports is arrested during abutment against a respective one of the stationary abutments and released during running against a respective one of the end supports because of the carriage movement, and two additional locks each arranged between each of the end supports and the respective one of the additional supports so that during reverse carriage movement a respective one of the additional supports is taken along until its new abutting and arresting.