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Class 172/103 - With overload relief or clutch in drive train (e.g., overload release, etc.)


Subclass of Class 172 - Earth working
Definition: Apparatus in which the drive transmission means between
No. of patents: 26
Last issue date: 10/17/2006


NumberTitleIssue Date
7121395Torque disconnect mechanism
A torque disconnect mechanism controls transmission of torque from a first shaft to a second shaft in a transmission. The mechanism includes a housing which rotatably supports the first and second shafts, and which has an opening formed therein. A coupling member is...
10/17/2006
7044683Stripping device for a soil compacting roller and a soil compacting roller having such a stripping device
A stripping device for a soil compacting roller having tamping feet is equipped with a spar on which are provided stripper teeth and an optionally adjustable spar mount which permits readjustment of the stripper teeth on the soil compacting roller. The spar preferab...
05/16/2006
6708774Cultivator
Driving worm provided on a transmission shaft, driven worm wheel provided on a cultivating shaft, main shaft portion of the transmission shaft and clutch are collectively accommodated in a transmission casing, which includes first and second bearings for preventing ...
03/23/2004
6102129Aerator
A turf aerator is provided with two separate shafts, each having a plurality of tines mounted thereon for aerating the turf. Each shaft is selectively connected to an output shaft of a motor mounted on the frame of the aerator by two separate drive trains...
08/15/2000
5562166Garden tiller
The invention is the combination of a motor powered garden tiller connected to a separate motor driven chassis which includes a seat for an operator to control the tiller. The speed of the tiller is controlled by and through the articulated coupler betwee...
10/08/1996
5560432Steering clutch for small agricultural implements
A steering clutch assembly attached between an axle and a wheel of a rear-tined rotary tiller allows the implement to be steered. The clutch assembly comprises three coaxial tubular elements, the inboard-most of which is affixed to one of the driven shaft...
10/01/1996
5441116Multiple purpose agricultural power tool
A multiple purpose agricultural power tool is provided which consists of a removable cover to fit over an open top of a housing, a wheel assembly which is rotatable and mounted to the housing, so that it can travel along the ground and a pair of legs affi...
08/15/1995
5236050Rotary soil agitator with automatic distribution of the drive torque at each end
A rotary mixer is disclosed with automatic distribution of the drive torque at each end, wherein the power transmission at each end of the rotor is provided by at least one chain driving a pinion coaxial with the rotor, a torque limiter being interposed b...
08/17/1993
4889190Soil working machine
The soil working machine, especially a circular spike harrow, includes a support housing (2) which extends perpendicular to the running direction (1), several soil working tools (3) disposed next to one another at the support housing (2), tool supports (4...
12/26/1989
4386661Rear mounted rotary tiller
The low-profile, lightweight tiller of compact, uncluttered design is adapted to be rigidly mounted upon the rear, powered lifting links of a garden tractor so as to be raised and lowered by the latter between transport and ground-working positions. Drivi...
06/07/1983
4373590Tilling apparatus
Tilling apparatus disclosed has a rotor shaft with axially spaced multiple tine and hub assemblies having hoe portions of adjacent tines overlapping one another. The apparatus is constructed as a central section and has wing sections pivotally connected t...
02/15/1983
4354564Cultivator having a vertically operated engine
A vertical engine type cultivator of the type that has an internal combustion engine on an upper side, a wheel shaft on a lower side and an operational handle on a rear side. The engine is formed such that the engine main body thereof is provided with a v...
10/19/1982
4298069Soil cultivating implements
A soil cultivating implement has a frame portion of inverted channel-shaped cross-section with downwardly directed limbs each of which has an inwardly bent-over lip at its lower free end. A row of contra-rotating soil working members are carried by corres...
11/03/1981
4226316Torque limiting clutch assembly with freewheeling action
An overrunning clutch assembly for limiting torque transmission therethrough operates to disengage driving interengagement between a driven member and a driving member when a predetermined torque transmission level has been exceeded. A shift ring is inter...
10/07/1980
4214635Implement
An implement mounts a plurality of working members through couplings, each coupling having a first member that can turn relative to a second member, upon overload. A shear pin normally prevents relative turning between the two members until overload and t...
07/29/1980
4210209Agricultural implement
An implement is connectable to the lifting hitch of a tractor and at least one rotary tool is driven to rotate about an upwardly extending axis. The tool or a trestle frame has an overload connection that allows the tool or frame to pivot to an inoperativ...
07/01/1980
4183231Rotary harrows
A safety coupling between a driving coupling and a driven coupling has a shear pin operative connection that shears upon overload, allowing relative movement between the two couplings. The shear pin is urged to establish a second operative connection afte...
01/15/1980
4153115Rotary harrows
A cultivator or rotary harrow has tined soil working members that are driven about upwardly extending axes. At least one, but preferably substantially all, of the soil working members have an overload release between the driving system and the tines so th...
05/08/1979
4148364Cultivating machine
A cultivating machine (FIG. 1) having a frame (1) for mounting of the machine on a tractor, and having arms (34) on which angle drives (6) for the cultivating tools (26) are mounted, resiliently joined thereto by way of arms (29) and connectors (33, 35, 3...
04/10/1979
4128129Soil cultivating implements
A soil cultivating machine has a row of tined rotors on an elongated frame portion that extends transverse to the direction of travel. An elongated soil crumbling member is pivoted to the frame portion at the front of that portion and settable to level th...
12/05/1978
4098345Soil cultivating implements
A cultivator implement has an elongated central frame portion that supports a row of rotatable soil working members and a gear box with an imput connectable to a p.t.o. The gear box houses a driving shaft that extends horizontally transverse to the direct...
07/04/1978
4072196Cultivators
A cultivator has groups of soil working members positioned in a row that extends transverse to the direction of travel. Each group includes a plurality of tined soil working members and a drive system that rotates each group as well as the individual soil...
02/07/1978
4057110Rotary harrows
A harrow attachment has side-by-side rotary soil-working members mounted on upright axes journalled in a frame. A delivery mechanism with an elongated hopper and agitators and/or other feeding mechanisms can be connected to be rotatable and driven by the ...
11/08/1977
4043404Tillage apparatus having improved cutting and drive structure
An improved cutting and drive structure is disclosed that is particularly useful in conjunction with tilling apparatus for sod seeding purposes. The structure includes a tillage blade or cutter wheel mounted for rotation by a drive structure that includes...
08/23/1977
4042039Rotary harrows
A cultivator or harrow has an elongated frame and a row of rotatable soil working members pivoted to the frame for independent displacement when an obstacle is contacted. Each soil working member can be tined support having an upwardly extending shaft dri...
08/16/1977
4004641Motor grader drawbar assembly with safety clutch mechanism
The motor grader drawbar assembly has a blade mounted on a circle gear and a drive gear selectively rotates the circle gear and the blade via a pinion gear engaged with the circle gear and mounted on a rotatable shaft. A slip clutch is interposed between ...
01/25/1977
 
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