Matches 1 - 27 out of 27
Match Document Document Title
6766601 Trenching machine  
A trenching machine comprising a wheeled frame and a first motor mounted on the frame is provided. The first motor drives a digging chain carried on a chain guide extending from the machine. The...
6760983 Trenching equipment  
A hand-held, self-contained motor-driven trenching device ( 100 ) for cutting a slit or trench within a substrate is based on a chain-saw motor unit together with a purpose-built attachment. An...
6266900 Backfill blade apparatus  
A blade assembly for a walk-behind trencher is described. The trencher includes a restraining bar which is affixed to the roller boom and which extends horizontally over the roller boom/digging...
5228221 Boom assembly for a trencher machine  
A boom assembly including a boom with laterally spaced side walls and adapted to have a digging chain and tooth assembly rotatable thereabout. A boom end idler assembly is arranged between the side...
5003712 Apparatus for cleaning irrigation ditch  
A self-propelled irrigation ditch cleaner for use by a single operator which includes a side-oriented conveyor to transport debris up and out of the ditch for the later collection.
4843743 Portable motorized shovel  
A portable motorized shovel is presented which comprises a frame having an articulated arm. The frame supports a motor and is provided with handles. The articulated arm of the shovel includes a...
4799320 Apparatus for digging surface trenches in the ground  
An elongated rigid bar is arranged to be secured at one of its ends to a power unit and is enclosed through most of its length in a rigid housing. Longitudinal passageways are provided interiorly...
4660306 Trencher attachment for hydraulic excavators  
A trencher attachment for a hydraulic excavator of the truck mounted type enables the excavator to be effectively used in performing trenching functions relative to the construction and maintenance...
4429477 Portable ditcher and excavating elements therefor  
The disclosure is primarily directed to the reduction of excavating tooth and chain drag which makes possible the manual transport and manual propulsion of a ditcher through the earth to...
4103441 Trencher with offset drive wheels  
A trencher for digging a trench in the ground and being a mobile trencher including ground wheels and a power drive unit and a trencher boom with a digging chain. The trencher boom is pivotally...
4077731 Reinforcing wire laying machines and attachments  
A machine for laying reinforcing mesh for concrete comprises a pair of spaced front wheels and a pair of power driven rear wheels. Several different forms of devices are provided for lifting the...
4002205 Horticultural device  
In abstract, a preferred embodiment of this invention is a device for forming and maintaining demarcation boundaries primarily in the field of plant husbandry. The device includes power driven sets...
3975843 Portable power digging tool  
A power spade which is hand operated by one man and does the work of a common pick and shovel is disclosed. The power spade is designed to operate in confined and restricted areas where larger...
3763581 HAND OPERATED ENDLESS TRENCHER  
A portable trencher having a base member upon which is mounted a pair of chains which pass through the base member and are entrained about a pair of opposing sprockets. One of the sprockets is...
3658135 ROTARY TILLER WITH BACKUP PLATE FURROWING MEANS  
In a first embodiment, tapered auger mechanisms are mounted on transversely extending shaft members rotatably supported below the forward portion of a self-propelled, manually guided body structure...
3508616 TRENCHING APPARATUS  
3295233 Machine for digging footing trenches  
3178838 Trenching machine with power steering mechanism including means for laterally shifting an end of the machine  
3087354 Variable speed gear reduction unit  
3057088 Portable trenching device  
3054198 Mobile trenching tool  
3028693 Boom construction for ditching machine  
2991571 Ditching attachment for chain saws  
2990631 Trenching machine  
2946146 Portable swimming pool digger  
2890532 Manual power digger  
2835055 Power trencher  
Matches 1 - 27 out of 27