Patent · US Expired

Robot positioner and seal arrangement for a closed chamber

US4882881A · kind A · utility

12Cited by
14References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 28, 1988
Grant dateNov 28, 1989
Priority date
Expiry dateJun 28, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S118/07
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A robot positioner for a device which is positioned within a compartment having an open top and including first and second supports mounted above the compartment to move the device along "X" and "Y" coordinates. A flexible cover means associated and movable with each of the first and second supports is provided to in effect provide a movable ceiling for constantly covering the open top of the compartment regardless of the position of the device in the compartment as controlled by the supports.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.