Patent · US Active

Clamping or spreading tool

US8240647B2 · kind B2 · utility

18Cited by

153References

18Claims

0Family size

Assignee

Irwin Industrial Tool Company · US

Inventors

Manfred Geier · Puchheim, DE
Ralf Strauss · Huntersville, US
Phil Reed · Pembroke Pines, US

Key dates

Filing date	May 5, 2010
Grant date	Aug 14, 2012
Priority date	—
Expiry date	Jan 2, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/20049
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A clamping and/or spreading tool comprises a drive for displacement of a push or pull rod to which a movable jaw is fixed with respect to a support carrying a stationary jaw in longitudinal direction of the push and pull rod, the drive comprising a torsion spring and being adapted to enter torque transmitting engagement with the push or pull rod for displacement of the same.

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