Land leveling apparatus

Details Land leveling apparatus Land leveling apparatus

A - Human Necessities

01

B

37/30

A01B 35/04 (2006.01) E02F 3/76 (2006.01) E02F 3/815 (2006.01)

Patent

CA 1095237

Abstract Land leveling apparatus includes a leveling attach- ment drawn by a tractor with the attachment having pivotally connected side blade sections on a central blade section afford- ing a substantially greater leveling capacity. The side blade sections fold up to reduce width during transport and have a power driven linkage arrangement for each blade section that moves and positions the blade sections and locks them in the lowered working position, together with upper and lower level adjustments for the side blade sections. A hitch assembly fa- cilitates quick coupling to a crossbar carried by the lower links of the tractor linkage and is pivotally joined to the central blade section so as to facilitate rear tractor wheel movement independently of the scraper blades. A leveling frame is connected at the front end to the central blade section and the pivotal attachments of the hitch assembly to the tractor linkage with the central blade section provide a four-bar link- age leveling structure that automatically moves in response to tractor movement to maintain the scraping edge substantially in a ground plane of the rear leveler frame wheels and front wheels of the tractor independently of the vertical movement of the rear wheels of the tractor.

313410

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