Excavating inventions 08/06

20060191167 - Trip lock device for a snow plow: A trip lock device for replacing a return spring of a snow plow assembly having a trip mechanism. The device includes an extensible body having a first end for connection to a moldboard a second end for connection to a plow frame. A limiting member is provided to the extensible...

20060191168 - Multi-motor drive system for a work machine: A multi-motor drive system for a work machine has a first traction device and a second traction device substantially aligned transversely of a primary travel-direction of the work machine. The drive system also has a first drive-group power-transfer system that connects the first traction device and the second traction device....

20060191169 - Arrangement for fixing an add-on piece e.g. an excavator shovel, to a boom of a shovel or a vehicle in a replaceable manner: An arrangement for fixing an add-on piece (1), e.g., an excavator shovel, to a shovel boom (2) or to a vehicle in a replaceable manner is provided. Two parallel holding bolts (3, 4) are arranged on the add-on piece (1) and can be gripped by grippers (6, 7) that can...

20060185198 - Device for melting ice at a fish hole in the ice: The device for melting ice at a fish hole in the ice includes an enclosure having first and second sidewalls hingedly connected to first and second end walls together with a cover formed in two portions, each cover portion hingedly connected to a sidewall. A partial bottom is hingedly connected...

20060185199 - System and device for redirection of air flow over a snow plow: An air flow redirection device for a snow plow assembly mounted on a vehicle comprises an air flow guide member mounted on the mounting assembly for a snow plow blade mounted relative and superior to the snow plow blade. The guide member is positioned to redirect air from and above...

20060185200 - Rear end small revolving type hydraulic shovel: A rear end small revolving type hydraulic shovel (tight tail revolving hydraulic excavator) that can improve maintainability of an engine and secures a wide foot space of an operator's cab is provided. In order to achieve this, the engine (13) is arranged below an operator's seat (21). Additionally, a floor...

20060179690 - Working unit control apparatus of excavating and loading machine: The invention provides a working unit control apparatus of an excavating and loading machine which can always judge a start of an excavation control at a proper timing. The working unit control apparatus has excavating state detecting means (43, 44) detecting an excavating state of a vehicle, and a controller...

20060179691 - Hydraulic control device of an excavator with improved loading performance on a slope: A hydraulic control device of an excavator is provided for controlling combined operation of boom-raising and swing on a slope. A swing priority valve (20) is provided on a pressured fluid supply line (8) that connects a first hydraulic pump (1) to a boom high-speed control valve (7). If an...