Tiered trenching backhoe apparatus

Details Tiered trenching backhoe apparatus Tiered trenching backhoe apparatus

1997-05-13

1998-08-18

Graysay, Tamara L.

Excavating

Combined or convertible

Combined with subsoiler

37407, 37903, 414724, E02F 396

Patent

active

057943702

ABSTRACT:
A new Tiered Trenching Backhoe Apparatus for creating a dual tiered trench which allows one service utility to be elevated above another service utility thereby preventing contact of the two service utilities resulting in increased safety. The inventive device includes a syncline plate with an interior angle of approximately 140 degrees, a first and second triangular coupler welded at one end to the syncline plate removably coupling to a pair of existing tooth shanks of a backhoe bucket, a first and second fluke welded to the syncline plate opposite of the triangular couplers, a first and second trihedral support members welded to the interior portion of syncline plate providing support, and a pair of replaceable teeth removably secured to the first and second flukes.

REFERENCES:
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patent: 3478449 (1969-11-01), Baker
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patent: 4360980 (1982-11-01), Jarvis
patent: 4550512 (1985-11-01), Felstet
patent: 4704811 (1987-11-01), Jefferson
patent: 5212897 (1993-05-01), Jefferson

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