E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
E02F 3/34 (2006.01) E02F 3/815 (2006.01)
Patent
CA 2509890
A loader leveling device such as used for a loader bucket mounted on a tractor or similar device consists of a pair of spaced lift arms which are secured at their inner ends to the tractor and at their outer ends to the bucket or similar mechanism. These lift arms are provided with a series of connecting links between their inner ends and the outer ends supporting the bucket and these connecting links form a set of parallelograms utilizing bell cranks or pivot plates at their extreme ends and intermediate thereof. Hydraulic actuators are used to raise or lower the lift arms and the connecting links, through the bell cranks, maintain the bucket at a constant level. However, a secondary, cylinder frame interconnects the rear surface of the bucket with the lift arms and tilt cylinders mounted to the cylinder frame and the bucket can be used to rotate the bucket relative to the lift arms. The present invention provides an advance in this art through the separation of the tilting cylinders from the linkage that is associated with the lift arms for raising and lowering the bucket.
Gowling Lafleur Henderson Llp
Leon's Mfg. Company Ltd.
LandOfFree
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