Plow attachment for a forklift truck
First Claim
1. An attachment for a forklift truck wherein the forklift truck includes a main body, a lift mechanism attached to the front of the body, and a plurality of tines extending from said lift mechanism, said attachment comprising:
- blade means for moving material along the ground, said blade means including a concave member having a lower edge engageable with the ground,means for releasably connecting said blade means to said tines, said connecting means including interconnected tine-receiving members, means for pivotally connecting said blade means directly to each said tine-receiving member along a substantially horizontal axis and centrally of said blade means, andmeans between said tine-receiving members and said blade means for preventing damage to said blade means when the blade means engages uneven ground and/or obstructions along the ground, said damage preventing means connected to said blade means at an off center joint along the blade means alloy pivoting of the blade means backwardly about said substantially horizontal axis.
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Accused Products
Abstract
An attachment for a forklift truck to facilitate the removal or clearing of snow or other materials and debris with the truck, including a frame having two rectangular elongated tubes adapted to receive the tines of the forklift, a plurality of transversely extending crossbars connecting said tubes together, ground-engaging members attached to each tube, a plow blade pivotally attached to the frame, and a shear pin assembly connected between the blade and the frame preventing uneven ground and/or obstructions on the ground from damaging the blade.
69 Citations
28 Claims
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1. An attachment for a forklift truck wherein the forklift truck includes a main body, a lift mechanism attached to the front of the body, and a plurality of tines extending from said lift mechanism, said attachment comprising:
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blade means for moving material along the ground, said blade means including a concave member having a lower edge engageable with the ground, means for releasably connecting said blade means to said tines, said connecting means including interconnected tine-receiving members, means for pivotally connecting said blade means directly to each said tine-receiving member along a substantially horizontal axis and centrally of said blade means, and means between said tine-receiving members and said blade means for preventing damage to said blade means when the blade means engages uneven ground and/or obstructions along the ground, said damage preventing means connected to said blade means at an off center joint along the blade means alloy pivoting of the blade means backwardly about said substantially horizontal axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An attachment for a forklift truck wherein the forklift truck includes a main body, a lift mechanism attached to the front of the body, and a plurality of tines extending from said lift mechanism, said attachment comprising:
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a plow means for moving materials along the ground, said plow means including a concave member having a lower edge engageable with the ground, a frame means for releasably attaching said plow means to the tines of said forklift truck, said frame means including tubular means having an opening at one end for receiving said tines, means for directly pivotally connecting said plow means to the end of the tubular means opposite said open ends and along a substantially horizontal axis at a point centrally along said plow means, and locking means for releasably engaging a surface of said tines to secure said tubular means to said tines, said locking means at least partially disposed in said tubular means, and means connected between said frame means and said plow means at a vertically off-center point along said plow means for preventing damage to said plow means when said plow means engages uneven ground and/or obstructions along the ground. - View Dependent Claims (11, 12, 13, 14)
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15. An attachment for a forklift truck wherein the forklift truck includes a main body, a lift mechanism attached to the front of the body, and a pair of tines extending from said lift mechanism, said attachment comprising:
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a frame including a pair of tubes which are adapted to receive said tines, locking means disposed partially in said tubes for releasably engaging said tines to secure said tubes to said tines, at least one crossbar connected to said tubes by hinge assemblies that permit the angling of the blade in either direction, and leg means for engaging the ground attached to each tube, each tube locking means including a tine-engaging plate disposed in said tube, a shaft connected at one end to said plate and extending through said tube, and a handle connected at the end of the shaft opposite the plate, a blade adapted to move material along the ground attached to said frame, means connecting said frame and said blade for preventing damage to said blade when the blade engages uneven ground and/or obstructions along the ground in the path of the blade. - View Dependent Claims (16, 17)
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18. An attachment for a forklift truck wherein the forklift truck includes a main body, a lift mechanism attached to the body, and at least a pair of tines extending from said lift mechanism, said attachment comprising:
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blade means for moving material along the ground, means for releasably connecting said blade means to said tines including at least a pair of spaced-apart tine-receiving members interconnected by at least one crossbar wherein said crossbar is connected to said tine-receiving members by hinge means to permit the placement of the tine-receiving members on the tines at positions which allow the angling of the blade means in either direction. - View Dependent Claims (19, 20, 21, 22)
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23. An attachment for a forklift truck wherein the forklift truck includes a main body, a lift mechanism attached to the front of the body, and a plurality of tines extending from said lift mechanism, said attachment comprising:
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a plow means for moving materials along the ground, a frame means for releasably attaching said plow means to the tines of said forklift truck, said frame means including means for receiving said tines, means on said tine-receiving means for releasably securing said tine-receiving means to said tines, and hinge means for permitting the placement of said tine-receiving means on the tines at positions which facilitate the angling of the plow means, and means connected between said frame means and said plow means for preventing damage to said plow means when said plow means engages uneven ground and/or obstructions along the ground. - View Dependent Claims (24)
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25. An attachment for a forklift truck wherein the forklift truck includes a main body, a lift mechanism attached to the front of the body, and a pair of tines extending from said lift mechanism, said attachment comprising:
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a frame including a pair of tubes which are adapted to receive said tines, means on said tubes for releasably securing said tines in said tubes, at least one crossbar connecting said tubes, and a hinge connecting each tube to said crossbar, a blade adapted to move material along the ground pivotally attached to said frame, and means connecting said frame and said blade for preventing damage to said blade when said blade engages uneven ground and/or obstructions along the ground in the path of said blade.
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26. An attachment for a forklift truck wherein the forklift truck includes a main body, a lift mechanism attached to the body, and a pair of tines extending from said lift mechanism, said attachment comprising:
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a frame including a pair of tubes which are adapted to receive said tines and at least one crossbar connecting said tubes, a concave blade adapted to move material along the ground, said blade having a lower edge engagable with said ground, means for directly pivotally attaching said blade to said tubes along a substantially horizontal axis at a point centrally along said blade, and means extending from said crossbar for connecting said blade to said crossbar at a vertically off-center point along said blade.
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27. An attachment for a forklift truck wherein the forklift truck includes a main body, a lift mechanism attached to the front of the body, and a plurality of tines extending from said lift mechanism, said attachment comprising:
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blade means for moving material along the ground, said blade means including a concave member having a lower edge engageable with said ground, means for releasably connecting said blade means to said tines, said connecting means including spaced-apart tine-receiving members, means for pivotally connecting said blade means to said tine-receiving members along a substantially horizontal axis and centrally of said blade means, and at least one transversely extending crossbar means for interconnecting said tine-receiving members, and means between said tine-receiving members and said blade means for preventing damage to said blade means when the blade means engages uneven ground and/or obstructions along the ground, said damage preventing means including a shear bar pivotally connected at one end to said blade means at a vertically off-center point along said blade means and at the other end to said crossbar by a shear pin. - View Dependent Claims (28)
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Specification