Patent · US Expired

Robotic devices

US4928546A · kind A · utility

66Cited by
5References
1Claims
0Family size

Inventor

Key dates

Filing dateAug 17, 1988
Grant dateMay 29, 1990
Priority date
Expiry dateAug 17, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T403/32681
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

This disclosure describes a wrist capable of the range of motion and function of a human wrist, composed of a basic ball and socket joint, with the ball portion segmented vertically into as many flat portions as there are fingers to allow the first segment of each finger to attach to each ball segment, allowing independant up-down motion of the fingers, while retaining dependant motion of the fingers in the back-and-forth direction.

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