Earth crust breaker

Details Earth crust breaker Earth crust breaker

1989-10-16

1991-04-16

Taylor, Dennis L.

Earth working

With actuator adapted to lift tool for transport on wheeled...

Tool spring biased during operation

172462, 172768, 172612, A01B 3100

Patent

active

050074857

ABSTRACT:
An earth crust breaker drawn by a tool bar on a tractor is provided and consists of an elongated U-shaped frame having an angularly upwardly extending front end attached to the bottom of a vertical member of the tool bar. A post extends vertically from each side of the frame to the free end of a horizontal member of the tool bar. A plurality of specifically placed knife blades extend from the bottom of the frame to penetrate the ground and make slices into the crust thereby chopping it up.

REFERENCES:
patent: 473041 (1892-04-01), Wilfert
patent: 499415 (1893-06-01), Cardinal et al.
patent: 612818 (1898-10-01), Brown
patent: 910752 (1909-01-01), Warner
patent: 1784655 (1930-12-01), Budd
patent: 2327198 (1943-08-01), Lingle
patent: 2591028 (1952-04-01), Udy
patent: 2963098 (1960-12-01), Kesselring
patent: 4769875 (1988-09-01), Hartman
patent: 4846084 (1989-07-01), Sigle

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