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Endless belt power transmission systems or components May archived by USPTO category 05/12

20120135829 - Controller and control method of belt type continuously variable transmission: Provided is control device and method for a belt type continuously variable transmission which can reduce drive energy consumption by a decrease in belt friction when the estimated accuracy of belt slip condition is high and which can prevent the belt from greatly slipping during belt slip control when the... Agent: Jatco Ltd Nissan Motor Co., Ltd.

20120135830 - Torsion cushioning sprocket: A drive sprocket for machines such as a motorcycle includes cushioning dements to reduce spikes in stress levels between the machine's power transmission and a driven member, such as the wheel of motorcycle. The sprocket has an inner plate which is located coaxially within the outer ring. The inner plate... Agent:

20120135831 - Tensioning device with a damping means comprising a minimum capacity: A tensioning device for a flexible drive means, such as a chain or a belt, includes a housing, a tensioning piston movably arranged in the housing and provided with a hollow space, a pressure chamber for hydraulic fluid arranged between the housing and the tensioning piston, a vent opening arranged... Agent: Iwis Motorsysteme Gmbh & Co. Kg

20120135832 - Chain tensioner device: A chain tensioner device having a first slide surface of a main arm pivotably supported at an upper end thereof, and a second slide surface of a sub-arm pivotably supported at a lower end thereof. The first and second slide surfaces slidably abut against each other. When the main arm... Agent: Honda Motor Co., Ltd.

20120129636 - Friction reducing device of timing chain for vehicle: Provided is a friction reducing device of a timing chain for a vehicle in a timing chain system including a tensioner arm and a chain guide disposed at both sides of a timing chain interconnecting a crank sprocket mounted a crank shaft and a cam sprocket mounted on the cam... Agent: Hyundai Motor Company

20120129637 - Transmission device for self-propelled equipment and self-propelled equipment fitted with such a transmission: Transmission device for self-propelled equipment, includes a housing having a driving input shaft transmitting movement to an output shaft, the input shaft bearing a receiving pulley around which pulley a belt transmission is wrapped. The input shaft also bears a component that rotates as one with the shaft and a... Agent: France Reducteurs

20120122619 - Ratchet-type tensioner: In a ratchet tensioner, rack teeth on a plunger are engaged by ratchet teeth on one end of a movable plug that slides in a hole in the tensioner housing along a direction orthogonal of the direction of movement of the plunger. The movable plug is prevented from rotating in... Agent: Tsubakimoto Chain Co.

20120122620 - Chain guide of automotive engine: A chain guide that contacts a chain connecting a cam sprocket and a crank sprocket, and has a contact portion contacting the back of the chain in a length direction of the chain and a convex curved line in a cross-section of the contact portion.... Agent: Hyundai Motor Company

20120122621 - Apparatus for driving and braking a shaft: An apparatus for driving and braking a cutting blade of a lawn mower is disclosed. The apparatus includes a shaft extending through a housing for rotating the blade, and an engine-driven pulley. The apparatus includes means for biasing the pulley toward the housing, and means for translating the pulley away... Agent:

20120115656 - Electric-control belt-type variable-speed transmission mechanism: An electric-control belt-type continuous variable-speed transmission mechanism includes a driving-shaft, a driven-shaft, a driving-wheel, a driven-wheel, a transmission belt, a force-exerting device, an electric-control motor speed-adjusting device and an idle wheel. The electric-control motor speed-adjusting device operates along with the driving-wheel and the driven-wheel to dynamically control and adjust the... Agent: Industrial Technology Research Institute

20120115657 - Tensioner for flexible drives: A tensioner in accordance with the present invention employs a spindle and a tensioner arm which are preferably manufactured by a suitable manufacturing process, such as die casting, negating a requirement for machining operations. The biasing spring of the tensioner is wound with wire having a non-circular cross section to... Agent:

20120115658 - Elastic drive belt, in particular ribbed v-belt, having reduced loss of tension: A drive belt has a foundational body made of a polymeric material with elastic properties including a top ply as belt backing and a substructure having a force transmission zone. At least one tensile strand in cord construction is embedded in the drive belt. The tensile strand is completely or... Agent:

20120108374 - Belt-based, continuously-variable transmission control device and control method: Provided are control device and method for a belt type continuously variable transmission which can improve control stability of secondary hydraulic pressure with the estimated accuracy of a belt slip condition during belt slip control ensured. The device has a primary pulley (42), a secondary pulley (43), and a belt... Agent: Jatco Ltd.

20120108373 - Controller and control method of belt type continuously variable transmission: Provided is control device and method for a belt type continuously variable transmission which can reduce drive energy consumption by a decrease in belt friction when the estimated accuracy of belt slip condition is high and which can prevent the belt from greatly slipping during belt slip control when the... Agent: Nissan Motor Co., Ltd.

20120108375 - Bearing assembly, clutch assembly and constant velocity transmission: A bearing for engaging an associated shaft and an associated body for axial movement on the associated shaft which includes a housing; a first set of a plurality of mounting shafts carried by said housing, each mounting shaft in said first set of a plurality of mounting shafts having a... Agent:

20120108376 - Tensioning device with a cylindrical latching system: A tensioning device for an endless traction element in an engine. The tensioning device has a housing, a plunger, which can he moved in the housing, a compression spring arranged in the plunger, a nonreturn valve arranged between the plunger and the housing, a cylinder arranged in the plunger, and... Agent: Schaeffler Technologies Gmbh & Co. Kg