William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Application No. | Application Title | Issue Date |
| 20110281676 | Starter Alternator Assembly Comprising a Poli-V Belt and Poli-V Belt Starter-alternator assembly including a poly-V belt comprising a body made of elastomeric material, a plurality of filiform resistant inserts longitudinally embedded in the body, and a coupling portion integrally connected to the body and comprising a plurality of V-sha... | 11/17/2011 |
| 20110269584 | BALL-TYPE TENSIONER A tensioner for a chain or similar power transmission medium comprises a spring-biased plunger having annular rack teeth with gradually sloping forward surfaces and steeper rearward surfaces. The teeth are engaged by radially movable balls received in inclined grooves i... | 11/03/2011 |
| 20110256971 | Chain Tensioner A roller-chain tensioning assembly includes a resilient bow-shaped structure to which are mounted first, second and third guide wheels. These guide wheels are mounted in such manner that a roller chain can be threaded around said first guide wheel on side facing away fr... | 10/20/2011 |
| 20110256969 | TENSIONER WITH SPRING DAMPER A tensioner having a closing-type torsion spring that is employed to bias a pivot arm about a pivot shaft. The tensioner includes a damper that continuously contacts an inside surface of the torsion spring to dampen torsional vibration transmitted through the torsion sp... | 10/20/2011 |
| 20110253083 | Drive Configuration and Method Thereof A drive configuration for driving one or more rotating sprockets (e.g., of an engine drive train), including a flexible force transmitting member forming a closed curve enclosing an area; a drive sprocket situated outside the area and driving the force transmitting memb... | 10/20/2011 |
| 20110241509 | APPARATUS FOR DRIVING AN ACTUATING MECHANISM, OPENING APPARATUS, AND PIECE OF FURNITURE An apparatus for driving an actuating mechanism, of an apparatus for opening and/or closing a furniture part accommodated in a movable manner on a basic furniture part, including a drive unit for driving the actuating mechanism via a transmission arrangement with a plur... | 10/06/2011 |
| 20110195810 | Tensioning Apparatus with a Blocking Device The present invention provides a tensioning device, in particular for a timing chain of an internal combustion engine, having a housing, a tensioning piston guided in a piston bore of the housing, and a locking means for limiting the retraction motion of the tensioning ... | 08/11/2011 |
| 20110190083 | ACCESSORY DRIVE SYSTEM FOR A VEHICLE An accessory drive system for a vehicle comprises an electric motor adapted for receiving power from a battery and a least one accessory component for the vehicle. A serpentine belt is connected the motor and to the at least one accessory component such that the motor d... | 08/04/2011 |
| 20110152021 | QUICK RELEASE MECHANISM FOR TELESCOPIC CONVEYOR Disclosed is a release mechanism suitable for releasing and disengaging a chain drive means associated with a drive mechanism for a movable extendable frame assembly. In the arrangement, the drive mechanism includes a drive, a wheel assembly and a drive chain associated... | 06/23/2011 |
| 20110130232 | TENSIONER The present invention is directed to decrease the impact sound of the ratchet mechanism generated at the time of piston retraction. The tensioner includes a piston 3 slidable in the piston bore 2a of the housing 2 and an expandable circlip me... | 06/02/2011 |
| 20110120115 | ENERGY HARVESTING SYSTEM FOR A VEHICLE An energy harvesting system includes a heat engine and a component configured to be driven by operation of the heat engine. The heat engine includes a first member, a second member, a shape memory alloy material, and a tensioner. The second member is spaced from the fir... | 05/26/2011 |
| 20110111898 | CLIP-TYPE TENSIONER A clip-type tensioner member having a piston in a housing and a ratchet mechanism. A plurality of rack teeth are formed on the outer periphery of the pistons. A clip member elastically engages with the rack teeth and is positioned in a recess in the housing. The points ... | 05/12/2011 |
| 20110101293 | Workhorse Winch A winch driven by a rotatable cassette. The cassette can be rotated into multiple different positions. Each of the addition positions produces a different speed up the output for a cable.... | 05/05/2011 |
| 20110081996 | BELT DRIVE SYSTEM ASSEMBLY AND TENSION APPARATUS Tension apparatus for a belt drive system. The tension apparatus includes a first component that is movable between a first tension position corresponding to a first belt length and a second tension position corresponding to a second belt length that is longer than the ... | 04/07/2011 |
| 20110073692 | BELT TENSIONING APPARATUS A belt tensioning system configured to more effectively maintain the proper tension in a belt that can be engaged and disengaged. Proper tension in the belt is maintained even if the belt stretches or contracts by including a spring biased member between a tension wheel... | 03/31/2011 |
| 20110034281 | DEVICE FOR PLACING LOOPED BELT UNDER TENSION A tensioning device has a tension arm mounted on a base. A pulley is mounted on the tension arm for engaging a looped belt. By changing mounting bushings, one can select either a static mode wherein the tension arm is held stationary relative to the base, or a dynamic m... | 02/10/2011 |
| 20110009219 | Synchronous Flat Belt Drive The invention relates to a synchronous flat belt drive, wherein at least one series arrangement of projections (210) has a purely rolling engagement with a series arrangement of apertures on a flat belt (100). The flat belt (100) supports on a pulle... | 01/13/2011 |
| 20110003656 | Transmission with connection mechanism for varying tension force A transmission includes a drive member, a driven member having a connection mechanism, and an at least partially flexible transmission coupled to the drive member and the connection mechanism of the driven member and configured to cause movement of the driven member in ... | 01/06/2011 |
| 20100317479 | CHAINSET WITH INTERCHANGEABLE CHAINRINGS Bicycle chainset comprising: two cranks (4,5) each comprising, at one end, means (7) for fastening a pedal, a main axle, of axis x-x′, coupled in rotation to the two cranks (4, 5) and intended to be fitted into a bottom bracket (3) of a bic... | 12/16/2010 |
| 20100263351 | DRIVE MECHANISM A drive mechanism comprising a first sprocket encircled by a tensioned chain and an orbit sprocket arranged to orbit the first sprocket in response to a resynchronisation signal. The orbit sprocket is arranged to displace the tensioned chain relative to the first sprock... | 10/21/2010 |
| 20100160098 | CHAIN DRIVING SYSTEM In a timing chain driving system, the tooth pitch of a driven sprocket from which a tension span of the chain travels toward a driving sprocket varies cyclically around the circumference of the driven sprocket and cyclically increases and decreases the effective length ... | 06/24/2010 |
| 20100144472 | CONSTRUCTION COMPRISING A BEARING MOUNTED ON A PLASTIC BODY The invention relates to a construction comprising (a) a plastic body comprising a mounting surface and (b) a bearing comprising a rotatable member and an inner member comprising a mounting bore mounted on the plastic body, wherein the plastic body comprises an axial ex... | 06/10/2010 |
| 20100029423 | TENSIONING DEVICE FOR A TRACTION MECHANISM DRIVE A tensioning device for a traction mechanism drive, in particular for a belt drive. The tensioning device can be produced in an advantageous manner from production and design aspects and which offers advantages over known concepts with regard to the wear of the friction... | 02/04/2010 |
| 20100019501 | Wind power generator set and a transmission belt speedup driving device thereof. A transmission belt speedup driving device of wind power generator set, includes a frame; a generator and speedup driving device mounted on a stand. The said speedup transmission belt device mounts between the other end of a spindle and the said generator, wherein a fir... | 01/28/2010 |
| 20100003059 | BEARING MEMBER, BELT UNIT, AND IMAGE FORMING DEVICE A bearing member includes a bearing part that rotationally supports a rotational body, a load application part formed in the bearing part, wherein the load application part contacts the rotational body and applies a load to the rotational body in a radial direction of t... | 01/07/2010 |
| 20090318253 | BELT OVERLOAD DEVICE An apparatus including a belt support system having a first belt support roller and a system for automatically moving the first belt support roller. The belt support system partially wraps a continuous belt on a belt drive roller. The belt support system includes the fi... | 12/24/2009 |
| 20090301429 | Engine and Power Transmission Device An engine according to an aspect of the present invention includes a crankshaft which is disposed in a substantially horizontal direction, first power transmission means, an input shaft, a first output shaft, second power transmission means, and a power transmission cas... | 12/10/2009 |
| 20090286635 | Tension regulating apparatus for chain of leftover food treating device The present invention provides a tension regulating apparatus for a chain of a leftover food treating device which comprises an agitation shaft having agitation blades and rotatably installed in an agitation tank and a rotation unit installed on one side of the agitatio... | 11/19/2009 |
| 20090233743 | Motor to accessory drive system A motor to accessory drive system wherein an electric or gasoline motor, having a housing with a drive shaft end protruding from the motor housing, is mounted with respect to the accessory to be driven, such as a pump or a generator, which also has a housing with a driv... | 09/17/2009 |
| 20090214274 | IMAGE FORMING APPARATUS A belt unit having a belt stretched by a plurality of rollers is removably mounted in an image forming apparatus. A pressure removing member moves a tension roller for applying tension to the belt from a first position to apply the tension to the belt to a second positi... | 08/27/2009 |
| 20090166967 | SHEET MATERIAL CONVEYER SYSTEM WITH TENSION SUPPORT MEANS A sheet material conveyer system includes a sheet-transfer conveyer having an endless sheet-transfer belt for conveying sheet materials, a heater provided below the elevation of the endless sheet-transfer belt for heating the sheet materials being carried on the endless... | 07/02/2009 |
| 20090136367 | Air compressor Provided is an air compressor that can keep good alignment between pulleys 2b and 3b respectively of a compressor body and an electric motor, and a drive belt 4 placed thereacross. Between a base 1 ... | 05/28/2009 |
| 20090062046 | Belt tensioner with adjustable slider plate and replaceable pulley The present invention is directed to a versatile belt tensioner comprising a base plate, a slider plate, a pulley secured a unitary post joined to one end of the slider plate, and manually operable adjustment assembly for moving the slider plate and pulley relative to t... | 03/05/2009 |
| 20090023526 | PNEUMATIC BASE FOR FACILITATING THE INSTALLATION AND TENSIONING OF A DRIVE BELT A belt tensioner comprises a belt trained on a drive pulley driven by a drive unit mounted on a base supported on an air-spring bellows linearly extendable under fluid pressure from a collapsed position to an extended position to cause joint movement of the base, the dr... | 01/22/2009 |
| 20080302217 | Chain Tension Tool A tool for creating tension of a chain on a cycle according to one embodiment comprises a wheel engaging portion; a frame engaging portion positioned opposite the wheel engaging portion; and at least one handle operatively coupled to the wheel engaging portion and the f... | 12/11/2008 |
| 20080264919 | Portable Generator and Air Compressor Mounting Arrangement A system, in one embodiment, may include a chassis, an engine coupled to the chassis, a generator coupled to the engine, and a rotary screw compressor coupled to the chassis independent from the engine. The engine may be configured to drive both the generator and the ro... | 10/30/2008 |
| 20080200291 | Anti-backlash device Anti-backlash device for an internal combustion engine, which has a timing chain, includes a body having a stop shoulder to provide a default tension for the chain; and a mounting feature with the body. The device can be part of a kit, and can be mounted in combination ... | 08/21/2008 |
| 20080194364 | LOW PROFILE CHAIN AND BELT TENSION ADJUSTER A low profile tension adjuster for use with a chain or belt driven power transmission system which has a slidable bar that sits inside of a yoke and over an axle and a base plate and set screw arrangement that abuts the slidable bar. The set screw and base plate being u... | 08/14/2008 |
| 20080153642 | ECCENTRIC TENSIONING DEVICE An eccentric tensioning device for tensioning the traction means of a traction means drive is provided. The invention provides solutions, through which advantages are given in the installation of tensioning devices under assembly-specific aspects. The eccentric tensioni... | 06/26/2008 |
| 20080070729 | CONTINUOUSLY VARIABLE DRIVETRAIN Drivetrains and frames for vehicles, equipment, machines, etc. Some embodiments of the drivetrains and frames are particularly suited for human powered machines, such as bicycles and exercise equipment. In some embodiments, a drivetrain includes a reciprocating crank co... | 03/20/2008 |