E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
37/6
E02F 5/30 (2006.01) E02F 3/76 (2006.01)
Patent
CA 1147552
TITLE PIVOTALLY MOUNTED BULLDOZER TEETH ASSEMBLY ABSTRACT OF THE DISCLOSURE A set of ripping teeth projecting downwardly from a support frame which is pivotally secured to a bulldozer blade. The frame extends downwardly from the pivotal support along the front of the blade with the teeth projecting beyond the lower edge thereof. As the bulldozer moves forwardly the teeth perform a ripping function in the same manner as teeth which are rigidly secured to the blade. However, as the bull- dozer moves rearwardly, the teeth and frames swing forwardly in a floating motion to prevent the teeth from fracturing and to allow the blade to perform a scraping function. In one em- bodiment the support frame includes a pair of tubular mounting sleeves formed at opposite ends of its upper edge. Mounting pins project from the outer ends of the mounting sleeves, and a mounting shaft extends between the inner ends of the mount- ing sleeves. The mounting pins and the mounting shaft are slidably received by spaced apart hangers which are releasably secured to the blade through blade mounted brackets. In an- other embodiment of the invention the frame includes a pair of end members each having an ear or a bracket formed at its up- per end which curves rearwardly toward the blade. Each brack- et releasably receives a respective hanger mounted on the up- per surface of the blade and projecting forwardly therefrom. The hanger and brackets contain aligned bores through which pin is releasably inserted to pivotally secure the frame to the blade.
363880
Frayne & Company Robert
Mann Donald B.
LandOfFree
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