BACK HOE APPARATUS HAVING MOVABLE TEETH
United States Patent 3448535
US Patent References:
/1067375.html
- - 1067375

Loading machine
- - 1878037

Excavating bucket
- - 2228445

Spudding machine
- - 2245544

Automatic loading device
- - 2393432


Inventors:
Haynes, Freddie J.
Publication Date:
06/10/1969
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Assignee:
ROCKMASTER TOOLS INC
Primary Class:
37/447
Other Classes:
414/694
International Classes:
E02F3/40; E02F3/28; E02F5/18; E02F5/02
US Patent References:
2443492Earth-mover blade with vibrating attachment
2619748Reciprocating blade for carry-type scraper
2657480Digging teeth for loading machine digging blades
2704613
2777680Machine for removing floor coverings
2850815Vibrating cutting head for excavating machines and method of attachment thereto
3065557Power excavating device
3084817Oscillatory digger
3145488Vibrating bucket
3219388Pavement cutting device
3269039Sonic earth moving machine
3272559Pavement cutting and earth excavating device
3293778Maul impacting device for excavating buckets
3328904Power bucket




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