Signal shank parallel ripper apparatus

Details Signal shank parallel ripper apparatus Signal shank parallel ripper apparatus

1982-08-02

1984-06-12

Johnson, Richard J.

Earth working

Convertible; or changeable by disassembly or assembly

Changeable by disassembly or assembly

172483, 172464, A01B 1308

Patent

active

044536003

ABSTRACT:
Ripper apparatus having interchangeable tool bar means whereby a tool bar having a single ripper blade may be used with the apparatus or a tool bar having plural ripper blades may be used with the apparatus, whereby the tool bar supporting elements may be used for the apparatus in either form.

REFERENCES:
patent: 3116797 (1964-01-01), Launder
patent: 3461971 (1969-08-01), Sprenkel
patent: 3503456 (1970-03-01), Larson
patent: 3527308 (1970-09-01), Bernotas
patent: 3973632 (1976-08-01), Torazzi
patent: 4013129 (1977-03-01), Wilkinson
patent: 4321970 (1982-03-01), Thigpen
patent: 4351397 (1982-09-01), Winker

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