U.S. patents subclasses for class: Excavating


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Title
Actuated by fluid means
Adapted to excavate specific discrete material
Adjustable
Adjustable about central vertical hinge
Adjustable digger
Adjustable or collapsible apex
And auxiliary wing or extension
And centrifugal impeller for final stage
And endless conveyor
And heater
And material size reducer (e.g., crusher)
And rotary excavating tool
And scraper blade
And transverse endless conveyor
And V-shaped scraper blade
Auger and impeller on single shaft
Augers on separate shafts
AUTOMATIC LEVELING EXCAVATORS
Axis longitudinal with respect to suction pipe
Axis transverse with respect to suction pipe
Axis vertical with respect to surface of body of water
BENEATH A BODY OF WATER (E.G., DREDGER)
Boom-type
Bottom spud anchor
Bowl operatively connected to wheel axle
BUCKET CLEANERS
By auger
By digging movement of apron
By endless conveyor
By use of submarine or undersea vessel
CABLE-OPERATED (E.G., DRAGLINE)
CANAL CLEANERS
Carrying excavating tool
Centrifugal impeller
CLAMSHELL BUCKET
Combined or convertible
Combined with clamp, grapple, or shear
Combined with fork or rake
Combined with subsoiler
Common pivot
Compacting roller
Condition responsive
Condition responsive or programmable means controls the excavating operation
Contiguous pivots
Control of attitude or depth of cut
Control of scoop component (e.g., elevator, apron, or ejector)
Control of swing or swing speed
Conveyor
Corner guard (e.g., corner tooth)
Crossed lever

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