Patent · US Expired

Workpiece handling apparatus

US4439090A · kind A · utility

9Cited by
8References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 9, 1981
Grant dateMar 27, 1984
Priority date
Expiry dateNov 9, 2001

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23Q7/043
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A workpiece handling apparatus includes a workpiece gripper having gripping elements and capable of both internal and external gripping functions rotatably attached to a support arm of a manipulation system. The workpiece gripper is controlled by an actuator capable of overcoming spring tension which is applied to the gripping elements.

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