Heidelberger Druckmaschinen Ag

Sunrise Medical Gmbh

Sunrise Medical Gmbh & Co. Kg

Markus Kramer

Peter Hachmann

Daniel Conzelmann

Arno Jünger

Olaf Lorenz

Hans Butterfaβ

David Davies

Gebhard Hofstetter

Thorsten Müller

The invention relates to a backrest assembly for a wheelchair with a backrest frame pivotally connected to a seat or seat frame, a carrying means provided by or attached to the backrest frame, a rotating means rotatable secured to the carrier means, a first sliding means slidable connected to the backrest frame on the rear side of the backrest assembly and connected to the rotating means via a first mechanical link, a second sliding means slidable secured to the backrest frame on the front of the backrest assembly and connected to the rotating means via a second mechanical link, and an actuator for adjusting the backrest assembly between an upright and reclined position with the actuator being connected to the first sliding means for driving the second sliding means via the rotating means to perform a sinusoidal movement.

Backrest assembly for wheelchair with reclining seat

An apparatus for turning a sheet during transport through a printing press provides better printed results as a result of improved sheet guidance. A transfer drum has gripper systems disposed in channels for holding the sheet at the leading and trailing sheet edge, and guide elements covering the channels.

Apparatus for turning a sheet during transport through a printing press

A method and an apparatus for turning a sheet during its transport through a printing press permit improved printing results as a result of improved sheet guidance. A sheet is tautened following a transfer from a first transport device to a second transport device.

Method and apparatus for turning a sheet during its transport through a printing press

Growing community of inventors

Bammental, Germany

Markus Kramer