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| Number | Title | Issue Date |
| 7350444 | Table saw with improved safety system A table saw having an adjustable blade, a detection system to detect contact between a person and the blade, and a brake mechanism to engage and stop the blade upon detection of contact between the person and the blade is disclosed. The saw includes a brake position... | 04/01/2008 |
| 5797251 | Blade drive clutch and brake for a lawn mower A blade drive clutch and brake for a lawn mower including an engine having a drive shaft extending downwardly therefrom and which has a drive sheave thereon. A clutch arm is movably mounted below and rearwardly of the engine drive shaft sheave and support... | 08/25/1998 |
| 5415059 | Turf machine lockable brake mechanism An improved double-roller traction lever lock mechanism is provided which allows for operator positioning of the turf machine traction levers in a locked brake position in addition to a neutral or drive position. Positioning of the traction levers in the ... | 05/16/1995 |
| 5105925 | Stop spindle attachment for automatic Swiss screw machines A spindle brake apparatus for add on attachment to automatic Swiss screw machines, comprising an idler pulley release assembly, a spindle brake assembly and a cam actuated control assembly employing the existing cam shaft timing and control means of such ... | 04/21/1992 |
| 4607735 | Power unit for self-unloading wagon A portable power unit for unloading a silage wagon which unit is adapted to be conveniently mounted on the back of the truck used to tow the wagon. The power unit comprises a gasoline engine and a gear reduction unit that is driven by the engine, the redu... | 08/26/1986 |
| 4560046 | Door operator A door operator mechanism which has a motive power source and drive and a manual drive for use with a manual source of power. A mechanism is included which by the simple expedient of pulling a chain or cable disconnects the power source and associated dri... | 12/24/1985 |
| 4558558 | Lawn mower traction control system A self-propelled lawn mower (2) has an engine (4), transmission (8), two drive wheels (10) and a rearwardly and upwardly extending handle (18). A pivotable and rotatable control bar (20) is mounted on handle (18). The pivotable and rotatable bar (20) prov... | 12/17/1985 |
| 4424873 | Constant belt tension assembly for wheelchairs A wheelchair having left and right drive wheels (18, 26) each connected with a wheel pulley (16). Left and right electric drive motors (10) are connected with drive pulleys (12, 20). V-belts (14) extending between the drive and wheel pulleys. Left and rig... | 01/10/1984 |
| 4409779 | Lawn mower with combined clutch and self biasing brake Disclosed herein is a lawn mower comprising a prime mover mounted on a housing and including an output shaft extending into the housing, a first pulley sheave fixed to the output shaft for common rotation therewith and including an inclined surface, a bla... | 10/18/1983 |
| 4408683 | Combined clutch and braking arrangement for a tractor A single pedal is employed to control the clutching and braking of a powered tractor. The mechanism involved also includes a hand-operated handle which may be manipulated independently of the actuation of the pedal to effect braking.... | 10/11/1983 |
| 4381165 | Clutch for belt drive with means for limiting start-up torque The bin unloader belt drive for a combine includes a clutching idler mechanism in which the start-up torque delivered by the belt (11) from a drive pulley (12) to a driven pulley (13) is limited by using a dampener (51) which retards the spring biased mov... | 04/26/1983 |
| 4307558 | Lawn mower with combined clutch and self biasing brake Disclosed herein is a lawn mower comprising a prime mover mounted on a housing and including an output shaft extending into the housing, a first pulley sheave fixed to the output shaft for common rotation therewith and including an inclined surface, a bla... | 12/29/1981 |
| 4223771 | Brake clutch An apparatus for selectively transmitting power between a rotating shaft and a belt including an integral brake member. The apparatus includes a pulley affixed to the shaft and which frictionally engages the belt. The pulley includes a pair of sheave halv... | 09/23/1980 |
| 4213288 | Power transmission device for a power-operated lawn mower A power transmission device for a power-operated lawn mower of a type, in which a driving pulley and a driven pulley are respectively fitted fixedly and rotatably on a power output shaft of a prime mover such as an internal combustion engine, an electric ... | 07/22/1980 |
| 4160391 | Auxiliary drive mechanism An auxiliary drive mechanism for use in association with a hydraulically actuated clutch has a gear wheel attached to the driven or output stage of the clutch, and a drive motor driving a pinion meshing with an intermediate gear. The intermediate gear pro... | 07/10/1979 |
| 4108292 | Clutch apparatus This invention relates to a clutch apparatus provided with a driving pulley and a driven pulley in a pair and around which a belt is positioned and a movable tension pulley is disposed between the two pulleys. When power is transmitted, the tension pulley... | 08/22/1978 |
| 3998034 | Power rake A drive incorporated in a power rake includes a clutch mechanism for selectively transmitting power from a power source to the reel for rotation thereof and including a member movable relative to a position providing power transmission between the power s... | 12/21/1976 |
