Bucket assembly for tractors
First Claim
1. In combination with a tractor having a chassis provided with a power lift and a drawbar, an attachment for transporting, scraping, spreading and leveling bulk materials, said attachment including:
- a bucket provided with a bowl having a materials inlet mouth;
pivot means tiltably mounting the bucket on said lift,said bucket being normally disposed when in a lowered condition for receiving materials scooped thereby into its bowl through said mouth;
linkage pivotally interconnecting the bucket and said drawbar for tilting the bucket upwardly to a materials retentive position in response to raising of the bucket by said lift; and
a manually manipulable linkage disconnect assembly for releasing the bucket for automatic downward tilting thereof to a position dumping the materials from said bowl;
said linkage including upper and lower link means pivotally connected to the bucket, and a control link pivotally connected to the drawbar and to said upper and lower link means.
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Accused Products
Abstract
A multi-purpose rear attachment for power lifts and drawbars of tractors has a bucket for handling bulk materials which is self-filling when used as a scoop and the capability of use as a scraper, a spreader and a leveler of the materials it transports. Linkage connected to the drawbar tilts the bucket as it is raised by the lift to a position retaining its contents, the linkage itself being variable to control the range of tilt. A trip accessible to the tractor operator releases one of the links such that the bucket becomes self-dumping. Camming actions by the trip effect positive release and relatching.
16 Citations
14 Claims
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1. In combination with a tractor having a chassis provided with a power lift and a drawbar, an attachment for transporting, scraping, spreading and leveling bulk materials, said attachment including:
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a bucket provided with a bowl having a materials inlet mouth; pivot means tiltably mounting the bucket on said lift, said bucket being normally disposed when in a lowered condition for receiving materials scooped thereby into its bowl through said mouth; linkage pivotally interconnecting the bucket and said drawbar for tilting the bucket upwardly to a materials retentive position in response to raising of the bucket by said lift; and a manually manipulable linkage disconnect assembly for releasing the bucket for automatic downward tilting thereof to a position dumping the materials from said bowl; said linkage including upper and lower link means pivotally connected to the bucket, and a control link pivotally connected to the drawbar and to said upper and lower link means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A bucket assembly for tractors having a power lift, said assembly comprising:
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a materials handling bucket; means for pivotally attaching the bucket to said lift; linkage pivotally connected with the bucket, said linkage including a pair of links pivotally interconnected in end-to-end relationship out of alignment when the bucket is lowered, presenting a toggle link having a knee joint at the zone of link interconnection; and means for pivotally attaching one of said pair of links to the tractor whereby the pair of links swing to a straight line position and tilt the bucket upwardly relative to the lift as the bucket is raised by the lift, the other of said pair of links having a releasable pivotal connection with the bucket for dumping of the bucket when said other links are released. - View Dependent Claims (11, 12, 13, 14)
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Specification