Bracket for attachment of a ground working tool on a tool bar

Details Bracket for attachment of a ground working tool on a tool bar Bracket for attachment of a ground working tool on a tool bar

1991-01-22

1991-10-08

Taylor, Dennis L.

Earth working

With wheel; or supported on wheel frame or broadly claimed...

With bracket to hold tool off ground

172662, 172763, A01B 7300

Patent

active

050545612

ABSTRACT:
A ground working implement includes a tool bar and a tool element which can be pulled across the ground by its attachment to the tool bar by a bracket and link system. The link comprises a U-shaped arm with a transverse portion parallel to an axis of rotation of the tool. The transverse portion is carried in a bracket depending from an underside of the tool bar. The transverse portion is formed of a tubular member which has a projecting portion extending radially from the axis of the tubular portion. The projecting portion has two side plates which rub against side plates of the channel to prevent side to side movement of the tool. The tool can raise or lower by rotation of the transverse portion of the channel or by lifting of the transverse portion in the channel within the limits defined by a base plate of the channel or a transverse restraining pin. The tool is latched in a raised position by a latch plate attached to the projecting portion which wedges underneath the base plate of the channel.

REFERENCES:
patent: 1541046 (1925-06-01), Hall
patent: 2574961 (1951-11-01), Couture
patent: 2675752 (1954-04-01), Waugsgard
patent: 2873149 (1959-02-01), Redetzke
patent: 2950956 (1958-09-01), Rogers et al.
patent: 3139145 (1964-06-01), Hofer
patent: 3834466 (1974-09-01), Chandler
patent: 3917331 (1975-11-01), Duran
patent: 4029155 (1977-06-01), Blair et al.
patent: 4817729 (1989-04-01), McCormick
patent: 4991661 (1991-02-01), Barenthsen

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