Road breaking equipment

Details Road breaking equipment Road breaking equipment

1991-01-28

1992-10-13

Melius, Terry Lee

Road structure, process, or apparatus

Apparatus

With in situ means for both comminuting and treating, e.g.,...

299 37, E01C 2308, E21C 4700

Patent

active

051545357

ABSTRACT:
An improved apparatus for breaking hard surfaces which has a torsional spring and an oscillating member attached to the spring along the spring length and to a working tool and a hydraulic generator at either end. A tubular housing anchors the torsional spring at one end to prevent reciprocal movement and is also attached by an attachment means to the torsional reaction mass. Another tubular housing is attached to the torsional reaction mass at one end and to the bearing housing at the other.

REFERENCES:
patent: 2529892 (1950-11-01), Adams
patent: 3133730 (1964-05-01), Cornett
patent: 4251111 (1981-02-01), Gurries
patent: 4340255 (1982-07-01), Gurries
patent: 4457645 (1984-07-01), Klochko
patent: 4511282 (1984-04-01), Gurries
patent: 4515408 (1985-05-01), Gurries
patent: 4732506 (1988-03-01), Bays
patent: 4906049 (1990-03-01), Anderso
patent: 4997050 (1991-03-01), Allan

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