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| Number | Title | Issue Date |
| 6210281 | Phase-adjustment mechanism A pair of concentrically mounted drive shafts are rotatable with respect to one another. Each drive shaft engages and drives at least one endless chain upon which lugs are mountable. A driven power shaft directly drives one of the drive shafts. The other ... | 04/03/2001 |
| 5846149 | Phased chain assemblies A chain and sprocket system includes a plurality of chains and phased or offset sprockets. The transmission system includes a random or hybrid chain with the offset sprockets. The timing system can include single or dual overhead camshafts, with phasing o... | 12/08/1998 |
| 5816967 | Phased chain assemblies A chain and sprocket system includes a plurality of chains and phased or offset sprockets. The transmission system includes a random or hybrid chain with the offset sprockets. The timing system can include single or dual overhead camshafts, with phasing o... | 10/06/1998 |
| 5816968 | Idler sprocket assembly for a phased chain system A chain and sprocket system includes a plurality of chains and sprockets. The system includes a crankshaft, an idler shaft and two overhead camshafts. The two sprockets on the idler shaft that connect by chain to drive the camshafts are phased or offset w... | 10/06/1998 |
| 5813934 | Phased chain assembly with chain and sprocket of unmatched pitch A phased chain and sprocket assembly is provided in which the pitch length of the chain is not matched to the pitch length of the sprocket. Specifically, the chain link pitch length is approximately twice the pitch length of the associated sprocket teeth.... | 09/29/1998 |
| 5738055 | Adjustable camshaft timing device Apparatus especially useful in internal combustion engines for adjusting the timing and including a shaft having a longitudinal axis and mounted for rotation about said axis with a circular drive member carried by the shaft. An adjustable key assembly is ... | 04/14/1998 |
| 5657671 | Torque transmitting apparatus A control member of a torque transmitting apparatus is composed of pins, a retainer, a first and a second arc-shaped gears which form a single ring gear together, a piston, first springs and second springs. The first and second arc-shaped gears are biased... | 08/19/1997 |
| 5562557 | Phased chain assemblies A chain and sprocket system includes a plurality of chains and phased or offset sprockets. The transmission system includes a random or hybrid chain with the offset sprockets. The timing system can include single or dual overhead camshafts, with phasing o... | 10/08/1996 |
| 5437581 | Phased chain assemblies A chain and sprocket system includes a plurality of chains and phased or offset sprockets. The transmission system includes a random or hybrid chain with the offset sprockets. The timing system can include single or dual overhead camshafts, with phasing o... | 08/01/1995 |
| 5427580 | Phased chain assemblies A chain and sprocket system includes a plurality of chains and phased or offset sprockets. The transmission system includes a random or hybrid chain with the offset sprockets. The timing system can include single or dual overhead camshafts, with phasing o... | 06/27/1995 |
| 5426992 | Non-backlash toothed wheel mechanism and rotational phase adjuster therewith A non-backlash toothed wheel mechanism comprises, an internal gear, and an external gear mating with the internal gear wherein at least one of the internal gear and the external gear has a circumferentially arranged gear teeth array and at least two gear ... | 06/27/1995 |
| 5316523 | Sprocket control apparatus A device, such as a printer or plotter for driving media, has sprocket wheels with sprockets engaging sprocket holes at the edges of the media. The sprocket wheels are driven via a drive belt. In order to adjust the relative angular position of one of the... | 05/31/1994 |
| 5302156 | Chain drive The chain drive described in the present disclosure, instead of using a single sprocket wheel, saves space by making use of two or more sprocket wheels coupled together by slip-free means, each sprocket wheel having only a small number of low sprockets. T... | 04/12/1994 |
| 5181432 | Timing gear having different keyways A timing gear device includes a first rotatably supported shaft, a first gear, having a predetermined number of circumferentially spaced teeth, engaged on and carried by the first shaft and a second rotatably supported shaft spaced from the first shaft. A... | 01/26/1993 |
| 5170707 | Adjusting device for varying a phase angle between an input shaft and an output shaft of a chain drive in a sheet-fed printing press An adjusting device for varying a phase angle between a drive shaft and a driven shaft of an endless chain drive extending between a sheet feeder and a printing unit of a printing press and being formed with a tight side and a slack side defining an inner... | 12/15/1992 |
| 5154269 | Clutch mechanism for a printing press A clutch mechanism for a printing press (10) having a shaft (14) having a cylindrical outer surface (36) adjacent one end (28) of the shaft (14 ). The mechanism has a device (15) for rotatably driving the shaft (14) and a drive member (32) having a cylind... | 10/13/1992 |
| 5026326 | Lever mechanism for adjusting phase relationship between drive wheels A device for adjusting a mutual phase relationship of respective rotational angles of two drive wheels, which are mounted on drive shafts parallel to one another and connected by a continuous transmission drive member to one another, the transmission driv... | 06/25/1991 |
| 4895045 | Differential camshaft A camshaft arrangement including a pair of cams (7, 8 ) mounted on the same camshaft (1) with at least one of the cams rotatable relative to the camshaft (17) and with the cams (7, 8) maintained at a given axial spacing on the camshaft (1), a differential... | 01/23/1990 |
| 4878461 | Variable camshaft timing system A variable camshaft timing system for an internal combustion engine varies the relative angular position between the intake camshaft and the exhaust camshaft by controlling the path of the timing belt means. A first belt means is interconnected at one end... | 11/07/1989 |
| 4872426 | Variable camshaft timing system A variable camshaft timing system for an internal combustion engine varies the relative angular position between the intake camshaft and the exhaust camshaft by controlling the path of the timing belt. First and second idler arms, each having an idler whe... | 10/10/1989 |
| 4858815 | Friction welder mechanism A mechanism for use in linear friction welding has a drive-shaft (10) rotatable about a first longitudinal axis (12). An eccentric portion (10A) for locating a cam member (18) has a second longitudinal axis (16) spaced a distance d from the longitudinal a... | 08/22/1989 |
| 4841924 | Sealed camshaft phase change device A device (10) for varying the angular phase relation between a camshaft (12) and a crankshaft (unshown) in response to axial displacement of an advancing plate (20) drivingly connected to a support (16) via straight splines (16f) and a drive (18) via angl... | 06/27/1989 |
| 4791869 | Phase adjusting apparatus for sheet-fed printing press In a phase adjusting apparatus for a sheet-fed printing press for adjusting a relative phase in a rotational direction between a paper sheet feeder and a printing apparatus which are coupled through a chain, a sprocket is in internal contact with a tensio... | 12/20/1988 |
| 4744338 | Variable camshaft timing system A variable camshaft timing system for an internal combustion engine varies the relative angular position between the intake camshaft and the exhaust camshaft by controlling the path of the timing belt. First and second idler arms, each having an idler whe... | 05/17/1988 |
| 4561795 | Biased harmonic locking ring A harmonic locking ring having a predetermined number of spaced holes centered on a major and minor circumference. Said holes fit over pins in concentric parts thereby locking parts together in desired positions within very close tolerances.... | 12/31/1985 |
| 4553652 | Coupling mechanism A coupling mechanism comprises driving means 12 selectively engaged by driven means 13. The driving means 12 includes an active driving sprocket 15 engaged by a drive chain. The positional relationship of the sprocket 15 with respect to the drive chain is... | 11/19/1985 |
| 4344761 | Side-bar chain for cone pulley transmissions In a side-bar chain for an infinitely variable cone pulley transmission, which chain is composed of packs of side bars forming successive links which are articulatedly connected with one another, and thrust pieces acting transversely of the longitudinal d... | 08/17/1982 |
| 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 members which are laterally displaceable during rotation of t... | 06/22/1982 |
| 4321869 | Device for driving or synchronizing cylinders in offset printing presses Drive for cylinders of an offset printing machine having a gear train constructed of spur gears disposed as drive gears on respective shafts of the cylinders, and including clamping devices for synchronizing rotation of the cylinders, the clamping devices... | 03/30/1982 |
| 4302985 | Phase controlling system for two rotatable shafts A valve timing device for an internal combustion engine includes a hub with an internal helical groove which engages a tracking post extending from a cylindrical surface of a crankshaft. A locking cap is placed at the outer end of the crankshaft spaced ap... | 12/01/1981 |
| 4289231 | Article feeding apparatus An apparatus for intermittently feeding a series of like articles along a path so as to present them in succession to a plurality of operation stations where operations are performed upon the articles in sequence. The apparatus is provided with at least a... | 09/15/1981 |
