Claims
- 1. Continuous excavating apparatus comprising:
- an endless excavating bucket line having a plurality of excavating buckets each with teeth for digging;
- a boom for carrying said bucket line including at its free end a pair of sprockets mounted for rotation on said boom;
- a plurality of hinge pins commonly connected to adjacent buckets so that both buckets may freely rotate on a pin and,
- an enlarged end piece at each end of said hinge pins, adapted to contact said pair of sprockets, in operation, and to roll with rolling friction on them to cause the rotation of the center portion of the hinge pins.
- 2. Apparatus as in claim 1 where said buckets are pivoted on said hinge pins by piano-type hinges and the hinge pins rotate in said hinges to distribute hinge and hinge pin wear and to maintain roundness of the hinge pin and the hinges.
Parent Case Info
This is a continuation, of application Ser. No. 093,020 filed Nov. 9, 1979 now abandoned.
US Referenced Citations (11)
Foreign Referenced Citations (1)
Number |
Date |
Country |
126986 |
May 1919 |
GBX |
Continuations (1)
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Number |
Date |
Country |
Parent |
93020 |
Nov 1979 |
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