US2008210446A1PendingUtilityA1

Dozer blade tilt with independent functioning lift cylinders

42
Assignee: DEERE & COPriority: Mar 2, 2007Filed: Mar 2, 2007Published: Sep 4, 2008
Est. expiryMar 2, 2027(~0.6 yrs left)· nominal 20-yr term from priority
Inventors:Mark J. CherneyJeffrey A. Bauer
E02F 3/7618
42
PatentIndex Score
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Claims

Abstract

This invention concerns a bulldozer blade having a blade tilt function effected by independently functioning lift cylinders thereby eliminating separate tilt hardware and controls.

Claims

exact text as granted — not AI-modified
1 . A dozer comprising a blade adjustable for tilt by means of independently operable lift jacks. 
   
   
       2 . The dozer of  claim 1  where the independently operable lift jacks comprise electro-hydraulically controlled cylinders. 
   
   
       3 . The dozer of  claim 2  where blade tilt results from differential extension of the pistons of the lift jacks. 
   
   
       4 . The dozer of  claim 2  whereby the lift jacks are independently controlled by a suitable algorithm programmed into a controller.

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