Patent · US Expired

Programmable fixture and assembly cell

US4821408A · kind A · utility

52Cited by
11References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 1986
Grant dateApr 18, 1989
Priority date
Expiry dateDec 5, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/53978
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A programmable or flexible fixture for holding a plurality of details comprising an assembly during assembly processes thereon comprising an elongated base supported in a predetermined position, a plurality of positioning units located at spaced locations along the base, each of the positioning units having a clamp adapted to engage the details, the positioning units being located to allow access to the details from two directions of movement of tools of assembly apparatus moving with respect to the workpiece during assembly processes thereon, a robot operatively associated with the positioning units for moving the positioning units relative to the base for accepting the various members of a family of details which all have the same configuration and differ by increments in size and for holding the details together as an assembly and holding the assembly in the proper detail location and assembly position for assembling, and an actuator for moving the clamp into and out of engagement with the details. A programmable or flexible assembly cell comprises at least one automatic assembly machine, each machine having operational parameters determined by the nature of the details to be as…

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