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Document Title |
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5002519 |
Dual tension clutch
A dual tension clutch comprising a drive pulley, a driven pulley, and a transmission belt wound around the drive and driven pulleys. Opposite runs of the transmission belt are pressed inwardly by...
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4997409 |
Wrapping type transmission structure for internal combustion engines
In a wrapping type transmission structure for internal combustion engines, provided with a first wrapping type transmission system which includes a first tensioner urged into press contact with a...
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4981116 |
Apparatus and method for wrapping a belt in an internal combustion engine and the like and an internal combustion engine with apparatus for wrapping a belt and associated method
An internal combustion engine which includes an apparatus for wrapping a belt more than 180 degrees around a wheel of the engine.
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4959042 |
Layout of auxiliary mechanisms for an engine
Auxiliary mechanisms for an engine are arranged in the order of rotational inertia force so that the rotational inertia force of the auxiliary mechanism nearest to the crankshaft pulley as seen...
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4957470 |
Valve operating system for engine
A valve operating mechanism for a high performance internal combustion engine including a flexible transmitter drive for the camshaft that includes a toothed belt. A timing retention sprocket is...
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4846446 |
Rope tension damper
A novel rope tension damper device is adapted to be installed, for example, on the deck of a ship at a location between the winch that controls the effective length of the rope and the fairlead...
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4798564 |
Double belt tensioner
A single tensioner is used to tension a double belt. A spring biased, swinging primary arm has a secondary arm freely pivoted to the end thereof. One idler pulley on the secondary arm pushes on a...
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4758208 |
Automatic belt tensioner for vehicle combined starter-generator
A belt tensioner assembly for a vehicle combined starter generator uses the shifting reaction torque incident to a change from generating to cranking mode or back to automatically select one of a...
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4600070 |
Modular tiller hitch for a lawn and garden tractor
A modular hitch unit is attached to a lawn and garden tractor and then to a tiller. The hitch unit includes hitching mechanisms as well as hand-operable belt adjustment mechanisms for positioning...
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4564098 |
Drive assembly for door operator
A door operated drive assembly comprising an electric drive motor mechanically connected to a door pulling device by a transmission in the form of a belt drive or the like, utilizes an extension of...
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4525151 |
Timing adjustment mechanism in wrapping connector driving device
A timing adjustment mechanism in a wrapping connector driving device includes a first pulley fixedly mounted on a first revolving shaft; a second pulley fixedly mounted on a second revolving shaft,...
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4511348 |
Drive tensioning apparatus
A tensioning apparatus for a power transfer mechanism utilizing an endless flexible member having a normally slack run and a normally taut run is disclosed wherein the tensioning apparatus is...
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4479660 |
Two wheel synchronously driven bicycle
A two wheel, synchronously driven bicycle is disclosed as comprising a frame, a rear wheel, a front wheel, a foot powered drive unit for said rear and front wheels, a fork member whereby the front...
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4433963 |
Chain guide for a derailleur for a bicycle
A chain guide for a derailleur for a bicycle, which switches a driving chain to one of multi-stage sprockets and has pulleys meshing with the chain and guiding it to a desired one of the...
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4416647 |
Belt tensioner
A tensioner for an endless power transmission belt is provided wherein such belt is employed in driving a sheave comprising at least one accessory which upon being driven creates a slack side and a...
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4410313 |
Rear derailleur for a bicycle
A rear derailleur for a bicycle, which comprises a derailleur body and a changeover frame having a guide pulley and a tension pulley, and guard plates for preventing a driving chain from escaping...
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4407077 |
Belt drive system
A belt drive system preferably for a clothes dryer has a high ratio of diameters between driving and driven members and has a pair of idler pulleys positioned close to the smaller member and...
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4361363 |
Idler-roller recoil device
An idler recoil device (10) is utilized for track-type vehicles. The idler recoil device (10) protects a crawler track system (11) from damage when some foreign object, such as a rock, is trapped...
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4335626 |
Variable ratio rotary positioning mechanism and camera dolly steering mechanism embodying same
An adjustable turning ratio rotary positioning mechanism has rotary drive and driven members coupled by a flexible drive band, such as a sprocket chain, with oppositely movable runs between the...
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4226131 |
Bicycle rear derailleur
A bicycle rear derailleur which comprises a first shaft on which a guide pulley guard is pivotally mounted and resiliently urged in one direction, a second shaft supported by the guide pulley...
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4191062 |
Chain drive and automatic chain tensioning unit
An automatic drive chain tensioner having a pair of idler assemblies, with each idler assembly comprising an idler sprocket and an indexing sprocket on each side of, and concentrically connected...
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4147070 |
Automatic belt tightener
An automatic belt tightener for use in a belt drive mechanism for transmitting torque between a driving rotatable member and a driven rotatable member through a flat drive belt. Included is a...
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4141245 |
Device for the measurement of mechanical work and power
Mechanical work and power transmitted through transmission elements such as chain drives is determined by deflecting a transmission element and measuring the distance and/or speed of deflection and...
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4128952 |
Mechanical chain adjuster for scraper elevator chains
A chain tension maintenance device for use with the bowl loading elevator of the excavating scraper variety which is adjustable to vary the slack in the chain and paddle structure. At least one...
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4069719 |
Chain tensioner for chain drives
Presented is a chain tensioner device for chain drives which, because of the environment in which the chain drives are used, must have considerable slack, while operating at high speeds, and yet...
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4034821 |
Motorcycle chain drive
An improvement in a chain drive mechanism wherein a drive sprocket is connected to a spaced driven sprocket by an endless chain with the driven sprocket being pivoted on a swing arm about an axis...
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4019397 |
Belt drive mechanism
A belt drive mechanism for transmitting torque between a driving rotatable member and a driven rotatable member through a drive belt which is an automatic belt tightener. Included is a...
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3941006 |
Free floating belt tensioner
A belt tensioner comprising first and second rollers connected by a "Z" shaped member upon which the rollers are journaled for rotation.
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3930323 |
Chain tensioning mechanism for scraper elevator device
A tensioning mechanism for the chain of a scraper elevator device that includes a pair of pivotally interconnected lever arms which support guide rollers. The lever arms are movable by an adjuster...
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3919893 |
Mule driver idler lockout device
An idler lockout bar is provided for a garden tractor implement mule drive, the lockout bar extending from one idler sheave through the frame. The lockout bar moves the idler against the idler...
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3896679 |
Bicycle derailer
The invention relates to a bicycle derailer comprising a chain-guide roller and a chain-tensioning roller mounted rotatively on spindles carried by a cover-frame, a spindle receiving said...
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3895544 |
Power transmission device between a plural number of rotors of cineprojectors
This invention relates to a power transmission device between a plural number of rotors stretched like an endless band between a plural number of rotors of cineprojector etc. there are provided a...
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3864986 |
AUTOMATIC BELT TIGHTENER
An automatic belt tightener for use in a belt drive mechanism for transmitting torque between a driving rotatable member and a driven rotatable member through a flat drive belt. Included is a...
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3862593 |
COMPACTOR DRIVE SYSTEM
A compactor has a compacting ram driven by jack screws and cooperating sprockets which are rotated by a drive chain wrapping the sprockets and a drive sprocket. The drive chain is maintained in...
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3860109 |
CABLE-DRIVEN TRANSMISSION FOR FREE STALL BARN CLEANERS
A cable-driven transmission for a barn cleaner as used to clean a free stall barn incorporating tightener arms on the incoming and outgoing branches of the cable wrapped around a drive sheave to...
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3834477 |
SNOWMOBILE CHAIN TENSIONING DEVICE
Disclosed herein is a snowmobile including first and second idler members respectively located exteriorly of the opposite runs of a flexible endless member trained about driving and driven members...
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3817113 |
CHAIN DRIVE WITH IDLER WHEEL TENSIONING MEANS BIASED BY ELONGATED PADS
The chain drive has one run deflected and biased about a tensioning wheel which is mounted on a pivotal support. The support is, in turn, mounted on a pivot axis by means of an elongated tension...
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3817114 |
CHAIN TIGHTENER FOR ENDLESS CHAIN
The invention disclosed herein relates to a chain tightener assembly for adjusting the tension of an endless chain entrained over a pair of spaced sprockets. The chain tightener consists of a...
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3810517 |
LOADER DRIVE
A simplified final drive system for a four wheel drive skid steer tractor vehicle. Generally, the basic structure of the final drive of the present invention comprises a single drive chain trained...
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3785219 |
COASTER BRAKE SYSTEM FOR A MULTI-SPEED BICYCLE
A mechanism for maintaining tension in the drive chain on a multi-speed bicycle having an exposed drive ratio change device with a plurality of different sized rear sprockets and front sprockets...
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3757683 |
COMPACTOR DRIVE CHAIN TENSIONING APPARATUS
A compactor in which the compacting ram is driven along stationary jack screws by means of internally threaded sprockets mounted on the ram and threadably engaging the jack screws. The sprockets...
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3702080 |
CYCLE GEAR CHANGE AND CYCLES EQUIPPED WITH SUCH GEAR CHANGE
A cycle gear change enabling the cycle drive chain to pass from one free wheel pinion to another, these pinions having a relatively large difference in the number of teeth in order to obtain a...
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3677103 |
GEAR CHANGE FOR BICYCLE OR LIKE MACHINE
The invention relates to a gear change for bicycle or like machine comprising two rollers linked together by a support, movement of said unit being controlled cross-wise to the free wheel of the...
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3603069 |
BELT-TYPE DRIVE ARRANGEMENT FOR SPINNING MACHINES AND THE LIKE
In order to be able to stop a spool on a thread-spinning machine without stopping the drive motor, the drive pulley, which is connected via a belt to the driven pulley of the spool, is coated with...
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3602054 |
CHAIN AND BELT TIGHTENER
Chain tightener means for power transmission systems including a driver pulley and a driven pulley and having an endless flexible coupling means extending therebetween defining a normal tension...
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3598194 |
FINAL DRIVE FOR TERRAIN VEHICLE
A side drive train system for motor driven vehicles with wheels having a belt and pulley system associated with the axles of the wheels for rotating the same where one axle is driven directly or...
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3589203 |
DRIVE MECHANISM FOR BALANCING MACHINE
An endless belt drive for a balancing machine of the type wherein a test rotor is carried on horizontally spaced apart bearings. A radial drive arm pivotally mounted on the machine for movement in...
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3489025 |
BELT TAKE-UP MECHANISM
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3485108 |
ROTARY DRIVE ARRANGEMENT
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3426605 |
BELT COUPLED DRIVE MEANS
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