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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-4907467-A, on 13 March 1990. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000003465

Structure of first arm of industrial robot having articulated horizontal arms

Published
Permanent URL
Classification
Robotics & Automation › Robot Architectures
Assignee
FANUC LTD
Original source
US-4907467-A, the United States Patent and Trademark Office, 13 March 1990
Document SHA-256
30ea2c458e65879367c94787d1acb1ebb5d3a96db40aec0fb6b01d8f5f7d5e33

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).

Sheet 1
Sheet 1

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).

1. Drawings

[0001]Sheet 1.

Publication information

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Citation

OpenTechnical Publication OT-2026-000003465, “Structure of first arm of industrial robot having articulated horizontal arms,” published September 15, 2026 at 20:31:09 UTC, https://opentechnical.org/p/OT-2026-000003465.

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