Patents by Inventor Holger Streitz

Holger Streitz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • CABLE PULLEY
    Publication number: 20120305870
    Abstract: The present disclosure relates to a cable pulley with a circumferentially extending groove for guiding a cable, wherein the cable pulley has a modular design and includes a wheel-shaped carrier body and a ring-shaped groove body, wherein the carrier body is at least partly made of a composite material, optionally a fiber-reinforced plastic material, and wherein the groove body circumferentially surrounds the carrier body and includes the groove.
    Type: Application
    Filed: May 23, 2012
    Publication date: December 6, 2012
    Applicant: LIEBHERR-WERK NENZING GMBH
    Inventors: Patricia Ruef, Holger Streitz
  • Fall-Back Support
    Publication number: 20110240582
    Abstract: The present disclosure relates to a fall-back support for a luffing boom which is attached to a boom head of a crane, having at least one pressure rod which is arranged between the luffing boom and the boom head and which bounds a fall-back movement of the luffing boom, wherein the at least one pressure rod includes a fiber composite tube, in particular an aluminum tube having a reinforcement of carbon fibers.
    Type: Application
    Filed: March 30, 2011
    Publication date: October 6, 2011
    Applicant: LIEBHERR-WERK NENZING GMBH
    Inventor: Holger Streitz
  • Tracked traveling gear with two drive units per chain
    Patent number: 7654621
    Abstract: The present invention relates to a tracked traveling gear with two drive units per chain, wherein at least one of the drive units is linearly movable and pretensionable against the traveling gear frame. In an embodiment the drive unit is asymmetrically mounted to a supporting element which is linearly movable and pretensionable against the traveling gear frame. The drive unit includes a tumbler which is laterally detachable and removable from the drive unit while the drive unit is mounted to the travelling gear frame.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: February 2, 2010
    Assignee: Liebherr-Werk Nenzing GmbH
    Inventor: Holger Streitz
  • Tracked traveling gear
    Publication number: 20080012422
    Abstract: The present invention relates to a tracked traveling gear with two drive units per chain, wherein at least one of the drive units is linearly movable and pretensionable against the traveling gear frame.
    Type: Application
    Filed: June 22, 2007
    Publication date: January 17, 2008
    Inventor: Holger Streitz