Patent ID: 6151981
Filing Date: 2000-11-28
Classification: B25J,Y10T

Abstract:
A two-axis Cartesian robot, comprising:a first elongated and substantially vertically disposed Y-axis support having upper and lower ends;said Y-axis support having an elongated Y-axis bearing way provided thereon positioned between the upper and lower ends thereof;said Y-axis support having an elongated Y-axis traction means connected to and positioned between the upper and lower ends thereof;a traverse carriage vertically movably mounted on said Y-axis bearing way;a motor mount provided on said traverse carriage for movement therewith;a drive motor mounted on said motor mount and having a driven shaft extending horizontally therefrom;said traverse carriage having an X-axis bearing block provided thereon;an elongated and substantially horizontally disposed X-axis support movably mounted on said X-axis bearing block and having first and second ends;said X-axis support having an elongated X-axis traction means connected to and positioned between said first and second ends thereof;a differential drive means in operative engagement with said driven shaft and including an X-axis drive means and a Y-axis drive means;said X-axis drive means being in operative engagement with said X-axis traction means;said Y-axis drive means being in operative engagement with said Y-axis traction means;a Y-axis brake for preventing movement of said tranverse carriage relative to said Y-axis support;an X-axis brake for preventing movement of said traverse carriage relative to said x-axis support;and a workpiece manipulating apparatus operatively secured to said X-axis support.