Patent · US Active

Counterbalance assembly

US8899125B2 · kind B2 · utility

7Cited by

8References

27Claims

0Family size

Assignee

ROBARTS RESEARCH INSTITUTE · CA

Inventors

Jeffrey Bax · London, CA
Aaron Fenster · London, CA

Key dates

Filing date	Sep 26, 2008
Grant date	Dec 2, 2014
Priority date	—
Expiry date	Sep 10, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/2101
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A mechanical arm assembly comprises an arm rotatable about a pivot, a first force generating device for maintaining the arm at a datum, and a second force generating device for compensating for the first generating device to maintain the arm in positions other than the datum.

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