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US 3,967,854 AGranted
Endless bucket type excavator
OwnerCharles L. Posciriinventor
Life of this patent
Estimating the term…
Abstract
Each bucket includes a ground engaging leading portion characterized by roller cutter means alternating with scoop teeth transversely across the bucket. The scoop teeth on alternate buckets follow the path of roller cutter means on intermediate buckets. The scoop teeth on intermediate buckets follow the path of roller cutter means on alternate buckets.
Claims8
An endless bucket type excavator comprising:
- an endless chain of buckets supported for tangential entry into ground to be excavated, each said bucket having a transverse leading portion characterized by roller cutter means alternating with scoop teeth, with scoop teeth on alternate buckets following the path of roller cutter means on intermediate buckets, and with scoop teeth on intermediate buckets following the path of roller cutter means on alternate buckets, said roller cutter means comprising a plurality of radially extending teeth which penetrate into and fracture the ground material.
An endless bucket type excavator comprising:
- an endless chain of buckets supported for tangential entry into ground to be excavated, each said bucket having a transverse leading portion characterized by roller cutter means alternating with scoop teeth, with scoop teeth on alternate buckets following the path of roller cutter means on intermediate buckets, and with scoop teeth on intermediate buckets following the path of roller cutter means on alternate buckets, wherein the leading portions of the buckets are transversely arcuate in shape and the roller cutter means are longitudinally curved to conform with the curvature of the leading portions of the buckets.
An endless bucket type excavator comprising:
- an endless chain of buckets supported for tangential entry into ground to be excavated and forward movement in the same direction, each said bucket having a transverse leading portion characterized by roller cutter means alternating with scoop teeth, with scoop teeth on alternate buckets following the path of roller cutter means on intermediate buckets, and with scoop teeth on intermediate buckets following the path of roller cutter means on alternate buckets, and such support means comprising a mounting plate forming a part of the transverse leading portion of the bucket, a non-rotating axle for each roller cutter means, detachable connector means for detachably connecting the ends of such axles to the mounting plate, and detachable connector means for detachably connecting the scoop teeth to the mounting plate.
Dependencies are inferred from the claim text.