US 4,268,175 AGranted

Tractor mounted self-loading concrete mixing apparatus

OwnerRobert N. Norlie, Bruce D. Norlieinventors

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Abstract

Tractor mounted mixing apparatus is disclosed including a mounting frame attachable to a three-point tractor hitch, a mixing drum rotatably mounted to the frame and having mechanism for rotatably driving the drum, and a scoop pivotally connected to the support frame and power operated to move a scoop bucket from a lowered position for scooping material off the ground and a raised position adjacent an opening in the mixing drum for loading the drum.

Claims7

Dependent claims

Tractor-mounted, self-loading mixing apparatus, comprising

a mounting frame attachable to a standard three-point hitch mounting at the rear of a tractor for support from the tractor;
a mixing drum rotatably mounted to said frame with the axis of rotation inclined from horizontal with the end of said drum which projects upwardly being open for receiving and discharging material therethrough;
means for rotatably driving said drum;
and
scoop means pivotally connected to said support frame and including
at least one support arm having one end pivotally connected to said frame for movement between a lowered position with the other end of said arm proximal the ground and a raised position with said other end proximal said drum open end;
means for selectively moving said support arm between said lowered position and said raised position;
bucket means including a bucket pivotally mounted to said arm adjacent said other end thereof, said bucket having an open first end for scooping material thereinto and a second end generally opposed to said first end and including selectively openable gate means for selectively opening and closing off said second end, and said bucket being selectively pivotable between a first position with said first end facing generally downwardly and a second position with said second end facing generally downwardly, and
means for selectively pivoting said bucket between said first position and said second position and for holding said bucket at pivotal positions intermediate said first position and said second position, whereby the bucket may be positioned intermediate the first and second positions with the open first end facing generally horizontally for scooping material such as gravel into the bucket when the support arm is in its lowered position, and then the arm may be raised and the bucket may be pivoted to either the first position for dumping the material out the first end of the bucket, or the second position for dumping the material out the second end of the bucket.

6 more elements

Dependencies are inferred from the claim text.

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Abstract

Tractor-mounted, self-loading mixing apparatus, comprising

a mounting frame attachable to a standard three-point hitch mounting at the rear of a tractor for support from the tractor;
a mixing drum rotatably mounted to said frame with the axis of rotation inclined from horizontal with the end of said drum which projects upwardly being open for receiving and discharging material therethrough;
means for rotatably driving said drum;
and
scoop means pivotally connected to said support frame and including
at least one support arm having one end pivotally connected to said frame for movement between a lowered position with the other end of said arm proximal the ground and a raised position with said other end proximal said drum open end;
means for selectively moving said support arm between said lowered position and said raised position;
bucket means including a bucket pivotally mounted to said arm adjacent said other end thereof, said bucket having an open first end for scooping material thereinto and a second end generally opposed to said first end and including selectively openable gate means for selectively opening and closing off said second end, and said bucket being selectively pivotable between a first position with said first end facing generally downwardly and a second position with said second end facing generally downwardly, and
means for selectively pivoting said bucket between said first position and said second position and for holding said bucket at pivotal positions intermediate said first position and said second position, whereby the bucket may be positioned intermediate the first and second positions with the open first end facing generally horizontally for scooping material such as gravel into the bucket when the support arm is in its lowered position, and then the arm may be raised and the bucket may be pivoted to either the first position for dumping the material out the first end of the bucket, or the second position for dumping the material out the second end of the bucket.

6 more elements