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| Number | Title | Issue Date |
| 8057335 | Brake actuation assembly An emergency braking system for use in connection with a drive apparatus including a drive belt and pulley system for transferring power from a prime mover to a transmission or transaxle. The braking system includes a pulley engaged to the drive belt and a spring en... | 11/15/2011 |
| 7419448 | Drive belt pulley and belt drive system A hollow cylindrical pulley body 5 is carried rotatably by a hollow cylindrical shaft member 11. A support rod 8 is inserted in the shaft member 11 to support the shaft member 11 for rocking motion about a pivot axis C2 orth... | 09/02/2008 |
| 7367916 | Belt drive for auxiliary units of an internal combustion engine A belt drive for a secondary unit of an internal combustion engine includes a friction wheel drive having a friction wheel, a cam device for adjusting the engagement of the friction wheel to the drive wheel of the secondary unit, the cam device having a cam, a swive... | 05/06/2008 |
| 7335122 | Low modulus belt for automotive applications A low modulus drive belt for an automotive accessory drive system is disclosed that allows for relatively high elongation during installation and that maintains a relatively high percentage of its install tension throughout the useful life of the belt. In addition, ... | 02/26/2008 |
| 7059985 | Alternating guide power transmission chain A power transmission chain has rows of pivotally connected, interleaved drive links and guide links. One guide link is included in each row of links and the guide links are positioned on alternate lateral sides of the chain in each row. A sprocket that can engage th... | 06/13/2006 |
| RE38887 | Infinitely variable epicyclic transmissions An infinite variable transmission with input shaft (52), planetary carrier (28), planetary pulleys (36) and planetary gears (32) with planetary axles (30) equiangularly disposed on the carrier (28). Variable pitch pulley ( | 11/22/2005 |
| 6938544 | Belt drive A belt drive for a machine for printing images on a flat printing material, having a continuous belt revolving during operation, includes a belt guide having stops for two protruding edges of the belt, the edges being oriented in a longitudinal direction of the belt... | 09/06/2005 |
| 6497634 | Infinitely variable epicyclic transmissions An infinite variable transmission with input shaft (52), planetary carrier (28), planetary pulleys (36) and planetary gears (32) with planetary axles (30) equiangularly disposed on the carrier (28). Variable pitch pulley (41) adjust a serpentine belt (38)... | 12/24/2002 |
| 6116325 | Break away operating cord system for retractable coverings for architectural openings A break away operating cord system for retractable coverings for architectural openings such as windows, doors, arches or the like includes a mounting plate to which an operating cord is attached and wherein the mounting plate is releasable from the remai... | 09/12/2000 |
| 6117044 | Infinitely variable friction transmission The invention relates to a mechanical transmission, which transmission includes guide members for realizing a rotational translating movement of a wheel which is connected to an output shaft and which makes contact with an endless belt of mutually abuttin... | 09/12/2000 |
| 6086494 | Raising machine including positively controlled raising cylinders A positively controlled raising cylinder raising machine, having a plurality of raising cylinders, circumferentially arranged on a rotary framework, a toothed driving belt for driving the raising cylinders being engaged with a portion of the toothed circu... | 07/11/2000 |
| 5733214 | System for adjusting tension of endless transmitting belt in internal combustion engine In a system for adjusting the tension of an endless transmitting belt in an internal combustion engine, a control system automatically adjusts the tension to be applied from a tensioner to the endless transmitting belt. The control system includes a drivi... | 03/31/1998 |
| 5518460 | Belt construction and combination with a pulley The combination of an endless power transmission belt construction and a pulley therefor, the belt construction and methods of making the same are provided, the belt construction having opposed inner and outer surfaces with one surface defining a pluralit... | 05/21/1996 |
| 5470281 | Drive apparatus for a cycle Drive apparatus (2) for a cycle (4), which drive apparatus (2) comprises a frame (6), a motor (8), a first pulley (10) which is driven by the motor (8), a second pulley (12), and an endless belt (14) which passes around the two pulleys (10, 12) and which ... | 11/28/1995 |
| 5458710 | Belt construction The combination of an endless power transmission belt construction and a pulley therefor, the belt construction and methods of making the same are provided, the belt construction having opposed inner and outer surfaces with one surface defining a pluralit... | 10/17/1995 |
| 5419742 | Rotating ring guide shoe or tensioner A vibration proofing system for an engine timing chain utilizes a tensioner on the slack side of the chain path, in which a ring-shaped, chain-engaging shoe is rotatably disposed on a circular frame mounted on the piston of a tensioner mechanism, and in w... | 05/30/1995 |
| 5366417 | Rotating ring shoe for tensioning chains and belts A vibration proofing system for an engine timing chain utilizes a tensioner on the slack side of the chain path, in which a ring-shaped, chain-engaging shoe is rotatably disposed on a circular frame mounted on the piston of a tensioner mechanism, and in w... | 11/22/1994 |
| 5304100 | Automatic tensioner apparatus An automatic tensioner apparatus comprising an idler pulley engaging a transmission belt of a wrapping connector type transmission mechanism, an arm for swingably supporting the idler pulley with respect to a predetermined supporting surface, and a resili... | 04/19/1994 |
| 5261860 | Drive apparatus A drive apparatus, able to perform positioning of a driven object to be driven with a high degree of accuracy, sufficiently obtain the desired thrust even when using the low output of a driving source such as a motor, and allow the speed of movement of th... | 11/16/1993 |
| 4781664 | Drive power transmission system A drive power mission system having a driving pulley, a plurality of driven pulleys, and the power transmission belt laid in a serpentine manner over the pulleys. The driving pulley and at least one driven pulley, which are in contact with the inner surfa... | 11/01/1988 |
| 4666187 | Device for connecting and disconnecting hoses or pipes to and from difficultly accessible structures In a device for connecting and disconnecting hoses or pipes to and from difficultly accessible structures such as under water, it is aimed at providing a reliable device, which will be easy to operate, lends itself to repeated connecting and disconnecting... | 05/19/1987 |
| 4559910 | Crankshaft bearing device for internal combustion engine The crankshaft of an internal combustion engine is supported in a split bearing assembly near one end of the crankshaft, with the lower half of the bearing assembly formed in a bearing holder secured to the engine block. An arcuate flange projects axially... | 12/24/1985 |
| 4557710 | Clutch controlled drive unit A drive unit preferably employed with a self-propelled lawn mower for driving at least one pair of wheels of the mower. An axle pulley is fixed on the axle of the drive wheels and a directional pulley is rotatably mounted above and in a spaced apart relat... | 12/10/1985 |
| 4536172 | Belt tensioner and method of making the same A tensioner for a power transmission belt that is adapted to be operated in an endless path and a method of making the same are provided, the tensioner comprising a mechanical spring unit operatively associated with a support unit and a belt engaging unit... | 08/20/1985 |
| 4481005 | Chain drive system A chain drive system (10) wherein the chain (12) includes a plurality of interconnected links (14) is provided. The chain drive system (10) includes a drive gear (28) for driving the chain (12). A rack (20) is provided and includes a plurality of spaced a... | 11/06/1984 |
| 4402240 | Heat exchanger ribbon slitting device and method A method and apparatus for slitting ribbon stock for use in making fins for a heat exchanger. A pair of slitter wheels are mounted to co-act on separate shafts. One of the shafts is driven by a motor and the other shaft is driven therefrom. Notched pulley... | 09/06/1983 |
| 4299584 | Belt tensioner construction A belt tensioning device for an endless drive belt for a vehicle accessories drive system. A sheet metal bracket is adapted to be mounted on an engine adjacent the drive belt and has a lever plate pivotally mounted thereon. An idler pulley is rotatably mo... | 11/10/1981 |
| 4216679 | Power transmission belt An endless power transmission belt is provided which comprises a first portion defining the bottom surface of the belt and comprising a plurality of laterally spaced power transmitting ribs and a groove between each adjacent rib, a second portion bonded t... | 08/12/1980 |
| 4086821 | Drive assembly for the rotor of a solvent extractor There is disclosed a drive assembly for the rotor of a solvent extractor and comprised of drive sprocket, a guide sprocket and a take-up sprocket on which is coursed an endless chain, which assembly is disposed about a portion of the rotor on which a chai... | 05/02/1978 |
| 4075901 | Variable speed friction transmission A transmission including a cylindrical drive pulley, a cylindrical driven pulley, an endless belt of a suitable material and a predetermined uniform thickness, the belt being frictionally confined between the drive and driven pulleys and loosely encompass... | 02/28/1978 |
| 4031761 | Engine power take-off system with single belt drive A drive system is provided which comprises a single endless power transmission belt which has opposed driving portions defined by a flat driving portion and an oppositely arranged driving portion which has a plurality of projections therein and wherein su... | 06/28/1977 |
| 4028955 | Endless power transmission belt drive system A drive system is provided which comprises a single endless power transmission belt which has opposed driving portions defined by a flat driving portion and an oppositely arranged driving portion which has a plurality of projections therein and wherein su... | 06/14/1977 |
| 3955433 | Basic unit processor for offset plates and method of processing them An automatic self-contained basic unit-processor for an offset photolithographic plate which may be used, at different times, for any processing step requiring contacting of the plate by liquid. For example, an exposed plate is developed by contacting the... | 05/11/1976 |
| 3951006 | Endless power transmission belt drive system A drive system is provided which comprises a single endless power transmission belt which has opposed driving portions defined by a flat driving portion and an oppositely arranged driving portion which has a plurality of projections therein and wherein su... | 04/20/1976 |
| 3945262 | Drive for feed rolls A drive assembly for first and second rolls in a roll laminator includes sprocket wheels affixed to each roll, a driven sprocket wheel, a first idler sprocket wheel rotatable about an axis, an endless drive element trained over the sprocket wheels, and a ... | 03/23/1976 |
