Patent · US Expired

Structure of first arm of industrial robot having articulated horizontal arms

US4907467A · kind A · utility

25Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 12, 1988
Grant dateMar 13, 1990
Priority date
Expiry dateAug 12, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/20317
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

Provided is a compact first arm (12) of an industrial robot having articulated horizontal arms, which first arm has a direct drive motor (19), an electromagnetic brake (25), and a rotary encoder (34, 36) disposed close to each other concentrically between the first arm (12) and a base post (10) supporting the first arm (12), and has another direct drive motor (39), another electromagnetic brake (45), and another rotary encoder (54, 56) disposed close to each other concentrically between the first arm (12) and a second arm (14) rotatably supported by the first arm (12).

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