Patent · US Active

Device for lifting a hatch pivotable around a pivot axis

US8240440B2 · kind B2 · utility

4Cited by

7References

9Claims

0Family size

Assignee

Stabilus GmbH · DE

Inventors

Rainer Massmann · Bonn, DE
Rolf Mintgen · Peitz - Picnjo, DE
Kathrin Peifer · Mittelstrimmig, DE
Moritz Starkmeth · Koblenz, DE
Udo Wendland · Koblenz, DE

Key dates

Filing date	May 14, 2007
Grant date	Aug 14, 2012
Priority date	—
Expiry date	Dec 23, 2029

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16F9/0245
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

Apparatus for lifting a hatch which can pivot around a pivot axis, especially a hatch of a motor vehicle, by means of a piston-cylinder unit. The piston-cylinder unit has a closed cylinder filled with a pressurized fluid, the interior of the cylinder 6 being divided by a piston into a first working chamber and a second working chamber. A piston rod passes through the second working chamber and is guided to the outside through a seal at the end of the cylinder and then hinged to the hatch, whereas the other end of the cylinder is hinged to a stationary component. A through-opening leading from the first working chamber to the second working chamber, is provided in the piston. The through-opening can be opened by an electrically actuated valve.

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