Class 37/355 - Longitudinal cut

Subclass of Class 37 - Excavating
Definition: Apparatus wherein the endless bucket rotates parallel to
No. of patents: 24
Last issue date: 08/23/2011

Number	Title	Issue Date
8001709	Data device to speech service bridge The present invention provides a data device to speech service bridge. The bridge allows packet-based devices, such as, for example, the PDA and 2.5/3G cellular phone, to access voice services. ...	08/23/2011
7096970	Compact bed edging machine A combination machine for trenching, for forming the edge of a bed, and for laying and burying tubing, cable, piping, and the like. The machine includes steerable caster wheels mounted on the rear of the machine which, together with a single front wheel, allow for a...	08/29/2006
7010873	Continuous underground trench excavating method and excavator therefor This invention provides with a continuous underground trench excavating method and an excavator for the method, which performs vertical excavation in which a trencher of the excavator is inserted into the ground and horizontal excavation in which a travel body of th...	03/14/2006
6658767	Trenching method and apparatus Trenching apparatus comprises a cutting device, preferably an endless chain cutter, mounted on a prime mover for positioning the cutting device in a trench with the prime mover movable on the ground surface above the level of the trench. Where the cutting...	12/09/2003
6651361	Compact machine for trenching and for installing cable, wire, tubing, and the like A combination machine for trenching, for forming the edge of a bed, and for laying and burying tubing, cable, piping, and the like. The machine includes steerable caster wheels mounted on the rear of the machine which, together with a single front wheel, ...	11/25/2003
6508608	Material treatment method and apparatus An apparatus and method are provided for treating base materials, such as ore of a leach pad in a precious metal mining operation. A tilling head of the apparatus includes a cutter having a cutting face for engaging and loosening compacted base materials....	01/21/2003
6354026	Trench rig A trench rig (1) for excavating continuous monolithic brattices or bases, presenting a self-propelled crawler truck (2), a chain-driven excavating tool (6) provided with a central column (9) which extends along a working axis (A), and a control unit (8) f...	03/12/2002
6338209	Tilling machine, method of use and method of gardening A trenching machine having independently driven wheels. Trenching machine comprises digging chain that moves between a raised position and a lowered position, a housing that is carried by a pair of front wheels and a pair of rear casters, a motor that ind...	01/15/2002
5930923	Method for operation to excavate underdrain in the field ground and a device for operation to excavate underdrain A method of operation to effectively excavate an underdrain in the field ground having a long service life and ensuring that the underdrain will not be closed after a long period of time and a device for such operation. The method includes attaching a plu...	08/03/1999
5471771	Method and apparatus for cooling chain type diggers A ground supported excavating machine of the type having a main frame and a prime mover for propelling the machine along the ground, and a boom supported from the frame that has an endless chain type digging member rotated by sprockets on a head shaft tha...	12/05/1995
5465511	Trenching machine In a machine for digging a trench, in which the digging apparatus comprises an elongated boom having a movable chain around its periphery and which is lowered into the ground, the problem of dislodged boulders which heretofore would be excavated into the ...	11/14/1995
5392540	Mounting apparatus for a bridge of a trenching machine A trenching bridge mounting interface for a trenching machine that is adjustable to alter the effective length of a fixed length bridge so as to accommodate trenching bars of different lengths. The interface includes a prime mover mounting structure that ...	02/28/1995
5381616	Rotary rockwheel assemblies A rotary rockwheel assembly (1) is provided for cutting a narrow trench in the ground when driven along the ground by a vehicle. The assembly (1) comprising a support frame (14), ground-engaging skids (17) on the support frame (14) permitting the support ...	01/17/1995
5311683	Propulsion apparatus Propulsion apparatus is disclosed for urging a trenching arm forward against the advancing face of an elongate trench being dug by the trenching arm. The propulsion apparatus includes a propulsion member which is engageable with the base wall of the trenc...	05/17/1994
5257471	Excavator for forming underground continuous wall An excavator for forming an underground continuous wall includes a traveling trolley movable on a ground and an upper frame constructed on the trolley. The excavator further includes a guide post vertically extending and vertically movably provided at one...	11/02/1993
5247743	Method and apparatus for digging trenches A trenching apparatus comprises a boom assembly having a lower end mounted on a support base and an upper end connected to a boom mounting bracket which is joined by a coupler to a digger arm operative to form a trench alongside the support base following...	09/28/1993
5245769	Trencher for mounting on a tractor A trencher for mounting on a conventional three point hitch of a tractor. The trencher is driven from the power takeoff of the tractor and uses the hydraulic system of the tractor to operate a hydraulic cylinder for raising and lowering the boom and diggi...	09/21/1993
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 walls at the free end of the boom for rotatably supportin...	07/20/1993
5212896	Control system for a walk behind trencher machine A control system for regulating starting and various operations of a walk behind and self-propelled trencher. The control system conditions the trencher for forward, neutral, and reverse operation through use of a single control lever mounted for sliding ...	05/25/1993
5212895	Retractable excavator cutting tooth apparatus Cutting apparatus is described which has teeth mounted on a carrier such as an endless belt or chain for advancement through material to be cut. The cutting apparatus includes a tooth mounting assembly which is supported on the carrier whereby a tooth sup...	05/25/1993
5199197	Wear resistant offset sidebar chain A sidebar is provided for an offset sidebar trenching chain. The sidebar has an inner edge which slides along a boom of a trenching machine, when the trenching chain is in use. The sidebar is induction hardened through a portion thereof extending from the...	04/06/1993
4896442	Trencher apparatus A trencher comprising a digger located adjacent the rearward wheels, which pair of wheels are driven hydraulically and which have an open area between them into which the digger may be partially positioned. The forward wheels of the trencher are steerable...	01/30/1990
4890399	Rider type trenching machine A trencher comprising a main frame. The main frame includes a pair of longitudinal, relatively narrow frame members spaced a distance apart and have a forward and rearward end. A first liquid carrying tank is mounted adjacent the rearward end of the trenc...	01/02/1990
4028902	Apparatus for laying elongated flexible tubing An apparatus for laying elongated, flexible tubing in a trench and adapted to be secured to a trenching boom carried by a vehicle. The apparatus includes an upwardly open hopper having a forward end adapted to be secured to the trenching boom in trailing ...	06/14/1977

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Class 37/355 - Longitudinal cut