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Class 37/245 - Tool arresting means responsive to sensed condition


Subclass of Class 37 - Excavating
Definition: Apparatus including means reacting to a sensed operating
No. of patents: 26
Last issue date: 06/02/2009


NumberTitleIssue Date
7540102Snow blower apparatus
A snow blower has an adaptive speed control, optionally an open carrier differential, which is optionally selectively lockable. The auger is preferably chain driven. The engine output shaft optionally has a first fixedly secured pulley and a second clutched pulley. ...
06/02/2009
7487608Walk-behind self-propelled snow removing machine
A walk-behind self-propelled working machine has a machine body, a working unit mounted on the machine body to perform a working operation, an engine mounted on the machine body to drive the working unit, and a traveling unit mounted on the machine body and drivable...
02/10/2009
7324883System and method to detect a failed shear bolt supporting a concave of an agricultural combine
A system and method for detecting existence of a failed or broken shear bolt supporting all or a portion of a concave of a threshing system of an agricultural combine and utilizing information relating to rates of movement and absence of movement of a concave to det...
01/29/2008
7305778Self-propelled working machine
A self-propelled working machine has a pair of transporting parts, a working part, an engine for driving at least the working part, and a main switch for turning the engine on and off. A locomotion preparation switch produces a command for moving the transporting pa...
12/11/2007
7305777Auger for snow throw machine
A snow throwing machine including a housing, an engine, an impeller and an auger for collecting snow and directing it to the impeller. The auger including an auger shaft disposed transversely in the housing and drivable by the engine, and a plurality of flytes mount...
12/11/2007
7302765Implement attaching apparatus
An apparatus for connecting a mechanized implement to an all-terrain vehicle having an undercarriage with a front axle and a rear axle includes a unitary frame having a base connected to the unitary frame and a swingable portion. The mechanized implement includes an...
12/04/2007
7159377Powered appliance and accessory
A powered appliance includes a working member, a handle operably coupled to the working member and a control movable between a first position proximate the handle in which movement of the working member is permitted and a second position distant the handle in which ...
01/09/2007
7096608Overload prevention device for a snow removing machine
An overload prevention device has a first rotational member for driving engagement with an input shaft of an auger transmission of a snow removing machine, a second rotational member engaging the first rotational member for rotation therewith over a predetermined to...
08/29/2006
6948577Electric vehicle
An electric vehicle driven by at least one electric motor is provided. The vehicle includes a controller for controlling the electric motor and at least one braking device. The controller gradually reduces the rotational speed of the electric motor in accordance wit...
09/27/2005
6948569Snow auger assembly
A device for removing material from a surface includes a blade, an auger positioned in close proximity to a front side of the blade and operably mounted on an axle for rotary motion relative to the blade whereby material accumulating at the front side of the blade d...
09/27/2005
6938364Two stage snowthrower with impeller housing bypass
A two stage snowthrower includes snow removal components comprising a transversely extending auger housed within an auger housing. A generally cylindrical impeller housing is joined to a rear wall of the auger housing. A rotatable impeller within the impeller housin...
09/06/2005
6810609Snow groomer having an improved variable geometry tiller assembly
A snow tiller (10) suitable for grooming ski hills, trails, or other areas, provides an adjustable profile tiller assembly. The snow tiller (10) is preferably pulled by a tracked vehicle (12) and has a tiller assembly formed of a plurality of ti...
11/02/2004
6637134Snow track preparation machine with mill mounted in a revolving manner
Snow track preparation machine with mill installed in a revolving manner and including a pump driven by a power source, a hydraulic motor connected to the pump on the delivery side and the return side, an actuator supported on the assembly frame and reali...
10/28/2003
6539649Power transmission system for snow-removing machine
A power transmission system for use in a snow-removing machine has a drive shaft having a first end for supporting a snow blower having a forward end and a rearward end. The drive shaft has second end disposed opposite the first end and for extension from...
04/01/2003
6523283Overload protecting device for snow removing machine
An overload protecting device assembled in an auger transmission is disclosed as including a worm wheel having its side wall formed with a plurality of wheel-side protruding segments, a boss member engaging with the wheel and fixedly coupled to an auger s...
02/25/2003
6223110Software architecture for autonomous earthmoving machinery
In accordance with the present invention, a modular architecture to organize and coordinate components that are needed to automate earthmoving tasks, and to coordinate the flow of data between the components is disclosed. The architecture includes three m...
04/24/2001
6105348Safety cut-off system for use in walk-behind power tool
A safety cut-off system prevents the running of a motor of a self-propelled lawn mower having left and right drive wheels, and forward and reverse gears. The safety cut-off system includes a first forward presence lever manipulatable, by an operator, betw...
08/22/2000
5000302Power transmitting device for working machinery
A transmission and brake assembly for driving the auger of a snow blower wherein the transmission includes a multiple disk wet clutch and the brake is juxtaposed to this clutch but separated from it by a wall so that the liquid will not adversely effect t...
03/19/1991
4996783Accident prevention device for rotary snow-plow
An accident preventing arrangement for rotary snowplows includes a front safety bar in front of the rotating blades. When lowered, the safety bar actuates switches which, in turn, not only disengage a clutch for a drive shaft which rotates the blades, but...
03/05/1991
4869124Control system for apparatus
A dead-man lever control system for apparatus such as a snow blower or lawnmower includes a latch and key arrangement connected to the levers which permits the levers to be operated independently or conjointly, and which also permits one lever to be locke...
09/26/1989
4760657Snow sweeping method and apparatus
A snow-sweeping roller for replaceable attachment to a utility road vehicle (1) having brush-equipped roller (4) rotatably affixed at the underside of the vehicle. To achieve low-wear operation of the sweeper roller (4) and simultaneously low energy consu...
08/02/1988
4476643Hand control system for motorized implements
A hand control system for a motorized implement such as a snowblower, lawn mower or tiller having a U-shaped handle in which a pair of control levers and a U-shaped bail are pivotally mounted on the handle such that the control levers can be pivoted indep...
10/16/1984
4402149Impact guard for declutching snow thrower
A snow plow including an automotive car body equipped with an engine, a transmission and a clutch means; an operation-frame attached to the rear upper portion of said car body; a clutch operation means attached to said operation frame, said clutch operati...
09/06/1983
4377044Snow thrower with dual controls
A manual electrically powered snow throwing device has features that allow it to be used either in a shovel mode or in a pushing and pulling mode. The device has an upper handgrip with forward and rearward handgrip portions. The forward handgrip portion i...
03/22/1983
4255879Snow blower dead man control
A mechanical dead-man type control for the snow blower auger and wheels but without killing the engine....
03/17/1981
4062135Safe operation control for a snowblower
A combined mechanical and electrical control for the traction drive and collector-impeller drive of a snowblower is provided which operates to disconnect the traction drive when the operator loosens his grip on a traction drive control lever to an extreme...
12/13/1977
 
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