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7481729 |
Lightweight sprocket
The present invention relates to lightweight sprocket, consisting of a central portion ( 1 ) made from light metal alloy, to which a peripheral toothed portion ( 2 ) made from ferrous alloy is...
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7052424 |
Cantilever tooth sprocket
A drive sprocket assembly for driving an endless chain assembly for propelling a machine has a hub portion and flexible cantilever teeth in which each tooth is separately deflectable upon impact by...
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6899651 |
Reduced sound transmitting sprocket
A drive sprocket assembly includes a hub having an endless chain connected thereto. A plurality of driver members are mounted between the hub and the endless chain to provide sound suppression.
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6893369 |
Continuously variable diameter drive wheel and continuously variable ratio transmission made therewith
A drive wheel for pulling a chain has a diameter that can be changed continuously as the drive wheel rotates. The drive wheel has a drive shaft and there are at least 2 chain-engaging means (teeth...
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6889642 |
Slide rail with two compression regions
The present invention relates to a tensioning rail for a traction drive, especially for an internal combustion engine, said tensioning rail comprising a fastening end section with a pivotable...
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6843540 |
Spur wheel for a chain drive assembly
A spur wheel for the chain drive assembly of a tracked vehicle on which the guide elements of a chain roll during the operation of the chain drive assembly is provided. Certain parts of the spur...
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6826975 |
Gear wheel construction
A gear wheel comprises a first gear wheel portion, including first half-teeth, which can be coupled to a second gear wheel portion, including second half-teeth, by adjustable coupling means, so...
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6572500 |
Bicycle sprocket with chain support projections
A sprocket assembly is provided for a bicycle having a large sprocket and a small sprocket. The large sprocket includes one or more chain support projections formed on the side surface opposed to...
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6540630 |
Reduced sound transmitting sprocket for track-type machines
A sprocket for supporting and propelling an endless track assembly of a track-type machine. The sprocket has an endless chain which is resiliently mounted to an outer flange of a hub. The chain has...
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6431573 |
Automatic transmission for a cycle, such as a bicycle, and a cycle having such as transmission
A shifting mechanism for a bicycle or other wheeled cycle has at least two gear wheels, of which at least one is segmented. The segments are movable into and out of a driving position. Motion of...
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6361461 |
Multiple-speed chain driving device
A multiple-speed chain driving device includes a shaft, a rotors'assembly, a chain driving sprocket, and a shifting assembly. The rotors'assembly is mounted on the shaft and includes three rotors...
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5967924 |
Sprocket buffer for chain driving system
In a sprocket buffer, in order to reduce a noise and a shake/vibration of the chain gearing mechanism, an elastic band is provided to be adhered in a bottom of the sprockets; a cylindric pin which...
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5890814 |
Support ring mount for rotating drum
A rotatable drum arrangement, wherein the drum is mounted on support rings such that circumferential expansion and contraction of the drum relative to said support rings does not adversely affect...
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5606801 |
Drive sprocket device with flanges
A drive sprocket arrangement includes a drive sprocket and a drive ring rolling loosely on the outer periphery of the sprocket. Drive links of the saw chain enter recesses in the sprocket via...
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5564996 |
Drive sprocket assembly for chain saws
Drive sprocket assembly for chain saws, where a saw chain runs around a loose drive ring that rolls upon cylindrical surfaces of a drive sprocket. Drive links of the saw chain project through holes...
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5393271 |
Quick change sproket
A mounting method for split sprockets which embodies radial slots in all mounting bolt positions; except the two mounting bolt positions disected by the split ends of the sprocket, the...
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5380254 |
Finished forged sprocket segment method and apparatus
A finished toothed sprocket segment is forged in a cavity of a first die by a second die having a protrusion which extends into the cavity. The sprocket segment has first and second spaced datum...
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5237234 |
Harmonic electrostatic motor
An electrostatic motor comprising a stator and a rotor, one of which is equipped with a plurality of lands to which a voltage is sequentially applied. The other of the stator and rotor is made of...
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5217414 |
Linear velocity corrective device
Linear velocity corrective device for chains (11) driven by toothed wheels (14), advantageously toothed wheels (14) with few teeth, for closed looped chains (11) extending in a plane or...
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5205794 |
Shift mechanism for bicycle
A shift mechanism for a bicycle and the like wherein a chain is shifted from sprocket to sprocket by an operator controlling a lever to position a camming surface to direct a guide pawl to tilt a...
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5203861 |
Plastic sprocket wheel with replaceable teeth
A plastic sprocket wheel includes a sprocket body having a series of circularly spaced recesses located around a body circumferential edge, there also being a body side face opening in at least one...
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5192250 |
Multiple sprocket assembly for bicycle
A bicycle multiple sprocket assembly comprises smaller and larger sprockets for shiftable engagement with a chain. The larger sprocket includes at least one reluctantly disengageable tooth, at...
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5067931 |
Sprocket wheel having replaceable teeth
A sprocket wheel having replaceable teeth includes a wheel body, a plurality of replaceable teeth, and fixing members to fix each tooth to the wheel body. In the outer periphery of the wheel body...
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5026329 |
Isolated drive sprocket assembly
A drive sprocket assembly for driving an endless track chain assembly for propelling a vehicle includes a support hub, which is mountable to the power drive system of the vehicle, and a plurality...
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4881930 |
Sprocket assembly
A drive sprocket assembly for driving an endless chain assembly for propelling a vehicle includes a housing, which is mountable to the power drive system of the vehicle, and a plurality of...
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4876796 |
Sprocket assembly for chain saws
A sprocket assembly including a sprocket adapter driven by the motor of a chain saw. The adapter includes an adapter shaft which has a defined inner opening to fit around the drive shaft of the...
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4852491 |
Device for the in-register transfer of sheets between the printing units of a multicolor press
A device the for in-register transfer of sheets and for the conveyance thereof between the printing units of a multi-color press by means of gripper carriages that move on rails and which are...
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4752281 |
Isolated tooth drive sprocket assembly
A drive sprocket assembly for driving an endless chain assembly for propelling a vehicle includes a support hub which is mountable to the power output portion of the vehicle and a plurality of...
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4722723 |
Rotatable drum assembly
A rotatable drum (1) carries, and is driven by, a gear rim (3), with bevel toothing (12), via a flexible frustoconical casing (5) which accommodates distortions of the drum and absorbs axial...
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4708698 |
Driving sprocket for conveyor chain on finger jointing machines
A driving sprocket to drive conveyor chain on a finger jointing machine having a base plate with central aperture therein. Drive hubs are mounted on opposed faces of the base plate and are adapted...
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4598608 |
Gear crank for a bicycle
A gear crank for a bicycle, which comprises a plurality of chain gears and a pair of crank arms, in which some teeth of a larger diameter chain gear among the chain gears are positioned within a...
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4592738 |
Chain gear for a bicycle
A multi-state bicycle chain gear assembly includes a chain gear which has a gear body having a plurality of teeth and at least one partial gear also having a plurality of teeth. The partial gear is...
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4559028 |
Adjustment pitch sprocket
The pitch of the sprocket is adjusted by radially moving the sprocket teeth outwardly by the corresponding number of cams on a relatively rotatable adjustment plate. The adjustment plate is rotated...
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4531926 |
Adjustable pitch sprocket
As the sprocket teeth wear, the pitch of the sprocket teeth decreases. As the chain wears, the pitch of the chain increases, this causes the rate of wear to increase. A sprocket after being in use...
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4522611 |
Sprocket assembly with replaceable teeth
A sprocket assembly with replaceable teeth including a generally cylindrical sprocket equipped with a plurality of L-shaped pockets in the periphery thereof for the receipt of a tooth having an...
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4384865 |
Sprocket for a bicycle
A multi-stage sprocket for a bicycle is disclosed which omits at least one of several teeth provided at the outer periphery of the sprocket body. A toothed member having a number of teeth...
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4367068 |
Universal bicycle sprocket hub
The invention pertains to a bicycle drive sprocket hub which may be universally utilized with a plurality of bicycle chain sprockets of different manufacturers. The hub is preferably formed of a...
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4351380 |
Track belt assembly
The track belt assembly of the present invention comprises a plurality of shoes spaced about the periphery of a load-supporting structure. A reinforcing belt structure is disposed on the side of...
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4308019 |
Drag chain sprocket
An improved drag chain sprocket comprising two spaced-apart discs on a hub with removable teeth bolted to the discs. The open design of the sprocket prevents build-up of abrasive materials between...
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4283183 |
Chain wheel system
In a chain wheel system tooth blocks are mounted on the circumferential periphery of the drum and are driven by a mating chain. The length of the tooth blocks equals at least the spacing between...
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4274184 |
Mesh distribution wheels
Mesh distribution wheel for handling seine lines or like net materials. The wheel is provided with a series of pins directed radially outwards which are adapted to engage respective meshes in a...
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4127038 |
Sprocket shift assembly
A sprocket shift assembly wherein sprockets of different diameters are arranged as a cluster on a common shaft and are coupled with a chain between driving and driven members. The chain is movable...
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4111064 |
Sprocket segments providing greater retention capabilities
A chain drive sprocket formed of a plurality of sprocket segments arranged seriatim alternately to define a continuous equiangularly spaced annular series of sprocket teeth with a first group of...
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4058023 |
Rotating assembly for material handling equipment
A rotating assembly for material handling equipment such as a cast sprocket ring member and a cast hub member each equipped with bolt openings extending parallel to the axis of rotation, the bolt...
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4043214 |
Sprocket, gear or pulley with interchangeable rim
A sprocket, gear or pulley having an interchangeable peripheral portion for replacement. The device has a hub with an axial boss, an annular member having teeth or a groove along its outer rim and...
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4031769 |
Segmented sprocket
A sprocket has a hub with a wide, carefully-machined, convex, outer surface, has a number of circumferentially-spaced, radially-directed, threaded sockets opening to that outer surface, and has a...
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3996814 |
Sprocket
A sprocket having interchangable teeth, in which a chain is removably mounted circumferentially on the peripheral edge portion of a hub, with means to key the chain both longitudinally and...
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3960412 |
Wear-compensating replacement sprocket
The useful life of the track components of a track-type tractor are prolonged by providing wear-compensating means within the track chain and sprocket assembly. The wear within this assembly is...
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3944297 |
Adjustable sprocket drive for track-type vehicles and method for using the same
A track-type vehicle comprises a pair of endless track assemblies including a plurality of articulated track shoes. A drive sprocket, engaged with the track assembly for driving the same, comprises...
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3934484 |
Tooth transmission member utilizing pivotally interconnected preforms
This invention pertains to tooth transmission members in which the tooth member is mounted to a support member and the tooth or pocket is used to drive or be driven by roller chains and the like. A...
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