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Class 172/470 - With separate actuator for concurrent lift or with interlock


Subclass of Class 172 - Earth working
Definition: Apparatus under subcass 468 in which (1) an additional actuating
No. of patents: 5
Last issue date: 05/14/1996


NumberTitleIssue Date
5515929Dual disc cultivtor cutaway
A dual disc cultivator cutaway (10) is disclosed including a frame (30) pivotally mounted to a cultivator tool bar (14) through a bar mount (22). A spindle (38) is pivotally mounted to the opposite end of the frame (30) and slideably mounts first and seco...
05/14/1996
5358055Partial width seeding attachment
A partial width seeding attachment includes electronically controlled solenoids which activate hydraulic flow control valves connected to the hydraulic cylinders on respective implement sections. Switches in the tractor cab control the rockshaft of one or...
10/25/1994
4911248Earth compacting apparatus and method
An earth compacting apparatus for mounting at one end of an earth working vehicle comprises a plurality of separate compaction units and a pivotal linkage for pivotally mounting the compaction units side by side on a vehicle. An actuator assembly operates...
03/27/1990
4664405Tractor power lift with a mechanical disconnect to power source
On a tractor having a main frame channel that includes an overhead wall and depending side walls and a lift arm mounted on a rockshaft for raising and lowering a tractor-supported implement, a power means for rocking the rockshaft with a lost motion conne...
05/12/1987
4266998Method for producing double-faced corrugated boards
This method is a method producing double-faced corrugated boards which includes methods for changing single-faced corrugated boards. The methods comprise the steps of cutting a single-faced corrugated board which is fed from a single facer onto a bridge a...
05/12/1981
 
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