Traversing hoists inventions 10/06

20060237385 - Logging carriage with towline-operated grapple: A logging system including a yarder, a skyline, a towline, a carriage riding on the skyline, and a grapple depending from the carriage for grabbing logs and carrying them back to a landing. The carriage and grapple are moved along the skyline for positioning the grapple above a log(s). A...

20060237386 - Stylus lanyard for use in a corrosive environment conditions: A stylus lanyard for use in a corrosive environment, comprising: a) a first steel open/close clasp swivel comprising a first clasp part, a first swivel and a first ring, b) a first braided steel cable, said cable having a first end and a second end and comprising a first loop...

20060226105 - Mobile crane: The embodied mobile cranes have a travelling base structure that allows for travel of the crane over a surface. The cranes have a revolving superstructure mounted on the base structure and a boom and a backmast. The boom and backmast are each hinged about an associated pivot axis to horizontal...

20060226106 - Electric motor driven traversing balancer hoist: A balancer hoist has an electric servomotor driving irreversible gearing in turn driving a hoist chain drive. A float mode and a manual mode are provided using two independent load sensors for sensing the load weight and force applied to a control grip. A traversing control is produced by a...

20060226107 - Self-adjusting slide block for telescopic crane jibs: A slide block for a telescopic crane jib includes at least two mutually co-operating and relatively movable slide block parts, at least one of the parts comprising an oblique surface. The parts of the block are pre-tensioned or biased to move in a direction so that the total width of...

20060219649 - Portable support method and apparatus: A portable manway cover handling apparatus and method comprises a lightweight support unit having a mounting tab secured to a manway stub flange within stub flange bolt holes by stud bolts projecting from expandable mandrel sleeves. A structural support beam is cantilevered from the mounting tab for attachment of a...

20060219650 - Telescopic boom device: A telescopic boom device is constructed of a first boom section 1, a second boom section 2 telescopically received in the first boom section 1, and an extension/retraction cylinder. The boom sections 1,2 are constructed of main parts 1a,2a, boss brackets 1c,2c arranged integrally on ends of the main parts...