Patent · US Active

Joint mechanism and joint device

US8141925B2 · kind B2 · utility

10Cited by

6References

6Claims

0Family size

Assignee

PANASONIC HOLDINGS CORPORATION · JP

Inventors

Osamu Mizuno · Osaka, JP
Akinobu Okuda · Osaka, JP
Tohru Nakamura · Hoya, DE

Key dates

Filing date	Dec 7, 2007
Grant date	Mar 27, 2012
Priority date	—
Expiry date	Sep 11, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/20329
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

The joint mechanism includes a first link, a second link, a third link, a shaft supported on the second link to be rotatable about an axis thereof, and movable in an axis direction thereof, a first worm and a second worm mounted on the shaft, a first worm wheel in mesh with the first worm to pivotally move the first link with respect to the second link, and a second worm wheel in mesh with the second worm to pivotally move the third link with respect to the second link. The first link and the third link are pivotally moved in opposite directions to each other by rotating the shaft, and pivotally moved in identical directions to each other by moving the shaft in the axis direction.

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