Rock breaker tool

Details Rock breaker tool Rock breaker tool

1985-09-27

1987-05-19

Leppink, James A.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

173132, 37DIG8, 172 40, E02F 516, A01B 3500

Patent

active

046662138

ABSTRACT:
A rock breaker tool for use with earth working apparatus is disclosed. The tool includes a ripper tooth employed with a hammer and anvil arrangement located above the upper portion of the tooth. The present invention is so constructed as to minimize the transfer of force directly from the hammer to the hydraulic cylinders of the earth working apparatus. The invention may be employed with various types of earth working apparatus, including backhoes, bulldozers and ripper buckets.

REFERENCES:
patent: 2499620 (1950-03-01), Alderman
patent: 3386517 (1968-06-01), Kelley
patent: 3520573 (1970-07-01), Neinast
patent: 3749446 (1973-07-01), Doty
patent: 3762481 (1973-10-01), Allen et al.
patent: 3770322 (1973-11-01), Cobb et al.
patent: 3778111 (1973-12-01), Ciofani
patent: 4140348 (1979-02-01), Strada
patent: 4164982 (1979-08-01), Draney

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