Patent · US Active

Power assist lever arm attachment

US7789167B2 · kind B2 · utility

0Cited by

30References

16Claims

0Family size

Assignee

The Boeing Company · US

Inventors

Scott Martin · Westminster, US
Dustin D. Ribble · Piasa, US
David N. Nappier · Caseyville, US

Key dates

Filing date	Apr 16, 2008
Grant date	Sep 7, 2010
Priority date	—
Expiry date	Dec 2, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23B2215/04
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A power assist lever arm attachment includes a drill, an L-shaped drilling head carried by the drill, an arm actuation cylinder carried by the drill, an arm piston extendable from the arm actuation cylinder, a lever arm pivotally carried by the arm piston and the drilling head and a bracket-engaging arm extending from the lever arm.

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