Digging tooth with screws set into resilient pockets
United States Patent 3197894
US Patent References:
/0775770.html
- - 0775770

/0935147.html
- - 0935147

Combined spider and gas saver
- - 1511529

Shaft coupling
- - 1661226

Excavating tooth base with laterally interlocked points
- - 1917431


Inventors:
Ratkowski, Thomas A.
Publication Date:
08/03/1965
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Assignee:
AMERICAN BRAKE SHOE CO
Primary Class:
37/457
Other Classes:
172/762, 411/393, 285/404
International Classes:
E02F9/28
US Patent References:
2217656Adjustable collar
2327852Drive connection
2437740Replaceable nose for spot welding tips
2546457Fastener for a tooth cap or the like
2610049Bit
2722410Mining cutter bit block
2798715Bit holder for cutter chains
2907559Self-gauging and readily removable cutter bit
2996816Detachable tooth cap
Foreign References:
FR901560A