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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7765889 | Start-up assistance coaxial gear reducer with increasing ratio up to direct drive The invention concerns a decreasing reduction start-up phase coaxial mechanical reducer using constantly variable radius gears, with a final direct drive 1:1 ratio obtained without internal movement component. ... | 08/03/2010 |
| 7395731 | Continuously variable planetary gear set A continuously variable planetary gear set is described having a generally tubular idler, a plurality of balls distributed radially about the idler, each ball having a tiltable axis about which it rotates, a rotatable input disc positioned adjacent to the balls and ... | 07/08/2008 |
| 7213481 | Apparatus for opening and closing cover An activating device for a cover has: a shaft unit having a rotary shaft; an arm unit which is coupled to the cover and the rotary shaft; and an actuator which drives the rotary shaft. The actuator has: a motor having a first output portion; a first reducer having a... | 05/08/2007 |
| 7207232 | Continuously variable transmission, and a transfer case including a continuously variable transmission A continuously variable transmission including a drive element rotatable about a drive axis, an output element rotatable about an output axis parallel to the drive axis, and an adjusting mechanism with which the drive axis and the output axis can be laterally offset... | 04/24/2007 |
| 7147583 | Variable speed power transmission Continuously variable speed power transmission with and without integrated motor/generator components. The transmission has an input member rotatable about an input axis, an output member rotatable about an output axis, a reaction control rotor with optional integra... | 12/12/2006 |
| 7028572 | Pitch transfer gear and transmissions A pitch transfer gear transmission which enables drive to be transmitted from a gear of having one modulus (42) to a gear having another modulus (46) includes at least two gears (12,16) which have a different number of teeth and which are able t... | 04/18/2006 |
| 7013776 | Device for cutting optical fiber and a method for cutting optical fiber An optical fiber cutting device provided with a speed reducing part which transmits drive force by reducing the drive speed of the external drive force, a drive force transmission part which transmits the drive force from the speed reduction part to the cutting blad... | 03/21/2006 |
| 6962187 | Spools for horizontal blinds The present spools are shaped as flared cylinders. In one embodiment, the spools have a minimum circumference at a center, and maximum circumferences at outer portions thereof. In another embodiment, the spools flare from a maximum diameter adjacent a first side wal... | 11/08/2005 |
| 6959645 | Printing press for processing continuous webs A printing press for processing continuous webs has a machine frame and printing cylinders exchangeably mounted in the machine frame. A drive is provided. An inking system is mounted in the machine frame. The drive has a two-row gear wheel having a first toothing an... | 11/01/2005 |
| 6959575 | Kurling tool A method and apparatus for knurling a workpiece in which the knurl pattern includes grooves of at least two different configurations. The apparatus includes a knurl wheel holder that allows angular rotation of the knurl wheel about the holder longitudinal axis while... | 11/01/2005 |
| 6932037 | Variable CAM timing (VCT) system having modifications to increase CAM torsionals for engines having limited inherent torsionals In a variable cam timing (VCT) system that has a crank shaft coupled to at least one cam shaft. The system has at least one timing gear associated with the crank shaft or a cam shaft. The timing gear includes at least two groups of toothlike projections including a ... | 08/23/2005 |
| 6609440 | Structure of a variable transmission device A structure of a variable transmission device includes an input shaft driven by a motor to perform alternate rotation having a gear on a middle portion, an output shaft having a pair of gears secured to the upper and lower ends respectively and a speed ch... | 08/26/2003 |
| 6467374 | Continuously variable mechanical transmission A continuously variable mechanical transmission comprised of two wheels, either friction or toothed, of which one or both are in the shape of hemispheres. A hemisphere wheel is mounted through a bearing on a fork with two pivots attached to the inner race... | 10/22/2002 |
| 6457452 | Mechanism for interconnecting first-and second-shafts of variable speed rotation to a third shaft A rotary piston engine (20) is shown that includes a housing (22) having a toroidal working chamber with inlet (56) and exhaust (54) ports. First and second piston assemblies (30 and 32), each of which includes at least one pair of diametrically opposed p... | 10/01/2002 |
| 6367577 | Vehicle including a variable gear ratio steering device and an electric power steering apparatus A vehicle including a variable gear ratio steering device and an electric power steering apparatus is disclosed. The variable gear ratio steering device influences on a steering system of the vehicle and varies a ratio of a steering angle of steerable roa... | 04/09/2002 |
| 6311612 | Link adjustment member A mechanical press having a variable drive arrangement. The press includes a link drive which drives a crankshaft. The drive altering mechanism includes adjustment means which changes the position of the link drive, thereby altering the drive mechanism of... | 11/06/2001 |
| 5782132 | Pressing machine A mechanism for rotating a crankshaft at ununiform speeds through a main gear and a slider mechanism and a mechanism for rotating a crankshaft at a uniform speed through a main gear fixed to the crankshaft are constructed such that the distances between t... | 07/21/1998 |
| 5718652 | Coronel effect positively infinitely variable rotary motion transmission The principle of the Coronel Effect resulting from an individual gear simultaneously producing two individually controllable driving functions motivating a second engaged driven gear is described. This principle is incorporated within the Coronel Effect P... | 02/17/1998 |
| 5692986 | Variable dwell cycloidal indexing device A variable dwell cycloidal indexing device for converting a uniform rotational motion into intermittent rotational motion with greater than one predetermined dwell point. The device includes an input shaft having an axis of rotation with a stub shaft exte... | 12/02/1997 |
| 5682315 | Method and system for controlling a split torque transmission The present invention relates to a method and system for controlling a split torque transmission having a hydrostatic transmission and a mechanical transmission. The control system employs a transmission control and includes a transmission input speed sen... | 10/28/1997 |
| 5679088 | Change gear system A change gear system comprises a driven case, a driving shaft and shifting means for shifting the drive shaft, and three sliding frames are provided in alignment in the driven case. Each sliding frame is provided with a pair of rack gears with teeth facin... | 10/21/1997 |
| 5666853 | Dual configuration epicycle drive The present invention is an epicycle dual drive apparatus comprising a frame supporting an input shaft, an output shaft and an epicycle drive coupling the input shaft and the output shaft. The apparatus has dual clutches means coupled individually to the ... | 09/16/1997 |
| 5653142 | Intermittently rotary gearing To provide an intermittently rotary gearing that converts rotary motion of a motor to intermittent rotary motion by utilizing a mechanical structure, an input shaft interlocking with a drive shaft of the motor is provided, a first gear and a second gear b... | 08/05/1997 |
| 5611246 | Variable angular velocity coupling for reciprocating devices Apparatus for providing a variable angular velocity coupling between an input shaft (52, 78) and an output shaft (71, 138) includes a fixed frame (72, 74, 76); a first hearing (80) for mounting the input shaft for rotation relative to the fixed frame; a s... | 03/18/1997 |
| 5503239 | Variable gear ratio steering device A first shaft and a second shaft are rotatably supported by a casing in a mutually parallel but offset manner, and an intermediate member is interposed between mutually opposing axial ends of these shafts. The intermediate member transmits torque from the... | 04/02/1996 |
| 5417416 | Apparatus for slowing down signatures sent to a quarter fold of a folder for a printing machine An apparatus and method for slowing down signatures sent to a quarter fold of a folder for a printing machine are disclosed. Signatures are transported between a first set of fast belts including upper belts and lower belts. The signatures are then receiv... | 05/23/1995 |
| 5343645 | Multi-faceted display drive mechanism A variable speed drive mechanism (4) is disclosed for use in conjunction with multi-sided prismatic convertible sign elements (22). A drive gear (32) driven at constant speed causes a mounting gear (23) to rotate at an angular velocity both slower than th... | 09/06/1994 |
| 5287760 | Power transmission device for press machine A power transmission device of a press machine comprises a rotary shaft rotated around a first axis by the rotation of a flywheel and an arm mounted on the rotary shaft and pivotally connected to a first link. A second link is pivotally connected to the f... | 02/22/1994 |
| 5226337 | Slide driving apparatus of press machine A Slide driving apparatus of press machine, wherein a main gear 3 as a rotational drive member and a lever member 10 as a driven member are opposed to one another in a eccentric state which an axes O1 and O2 are separated, the main g... | 07/13/1993 |
| 5222405 | Infinitely-variable positive drive transmission A transmission including at least two shafts and a cylindrical member supported by a frame for rotation relative thereto about axes of rotation utilizes a pair of gears and a plurality of speed-adjusting teeth for altering the relative speed of rotation b... | 06/29/1993 |
| 5221237 | Intermittent motion drive assembly including speed reduction A cylindrical member driven by a planetary gear arrangement traverses an epitrochoid path to periodically enter a radial slot in an arm or disc rotating the arm or disc through 180°. By selecting the parameters appropriately the cylindrical member is cau... | 06/22/1993 |
| 5207736 | Control of a displacement machine of a hydrostatic-mechanical torque shift transmission A process for controlling a hydrostatic adjustment gear (HG) of a hydrostatic-mechanical, continuous, split-output torque shift transmission, where a displacement volume (Vnew) is controlled following the engagement of a clutch (K2, K3) of a ne... | 05/04/1993 |
| 5197354 | Angular drive intermittent motion mechanism An intermittent drive mechanism is provided for intermittently driving an output shaft with an input shaft that has an axis that intersects the axis of the output shaft at an angle. A driving element on the input shaft couples with a driven element on the... | 03/30/1993 |
| 5170872 | Synchronizer for activating and de-activating a dog clutch, particularly in article-wrapping machines The outputs (17-18) of a pair of intermittence devices (16) operated in phase with a clutch driving shaft (6), clutch however, generate equal movements, however in a 180° out-of-phase relation with each other. With the interposition of respective electro... | 12/15/1992 |
| 5170677 | Elliptic gear having a constant velocity portion An elliptic gear having a constant velocity portion, wherein a pitch circle is a closed curve composed of: a constant velocity portion pitch curve, in which the radius from the center of rotation is a constant arc; and an inconstant velocity portion pitch... | 12/15/1992 |
| 5159846 | Apparatus for moving an indexing table An apparatus for rotatably moving and positioning an indexing table is disclosed. The apparatus of the present invention allows an indexing table to be quickly rotated between a plurality of index positions to within an accuracy of less than 0.001 inches ... | 11/03/1992 |
| 5111707 | Engine starter apparatus An engine starter apparatus comprising first and second noncircular gears, a pinion, and a starter motor. The pair of noncircular gears is interposed between a crankshaft and a ring gear of an engine, and when the speed of rotation of the first noncircula... | 05/12/1992 |
| 5031478 | Two gear, connecting arm and crank apparatus Rotation and linear movement of a main gear is provided by a pinion gear rotatably mounted on a crank arm and in meshing engagement with the main gear. A connecting arm between the gear centers keeps the gears in meshing engagement. The pinion gear may ha... | 07/16/1991 |
| 5017180 | Speed reduction device A speed reducing device is provided for use with a multi-purpose woodworking tool such that faceplate turning operations may be performed on large diameter workpieces. The device includes a housing which partially supports input and output shafts passing ... | 05/21/1991 |
| 4976658 | Variable speed transmissions A transmission wheel (12) is shiftable in position radially relative to a driven member such as a bicycle wheel. A driving force is imposed to the transmission wheel (12). This driving force rotates the transmission wheel (12) and the rotational force is ... | 12/11/1990 |
