Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7320463 | Device for feeding a processing section A device for feeding a processing section with printed products includes a magazine and a feeding mechanism that includes a gripping mechanism and a conveying mechanism for removing the printed products from the magazine and feeding them to the processing section. T... | 01/22/2008 |
| 7296492 | Animated toy with geneva mechanism An animated children's toy including a gear system for providing intermittent and reciprocal motion. The gear system includes a drive gear and a driven gear. The gear system is adapted to have a non-rotating configuration and an engaged configuration. In the non-rot... | 11/20/2007 |
| 7201303 | Cordless fastener driving tool The present invention teaches a unique drive mechanism for use in a hand held fastener driving tool. The driving mechanism comprises a pair of opposing cams coaxially positioned upon a common shaft. One of the cams is motor driven and rotatable about the common shaf... | 04/10/2007 |
| 7197958 | Energy storage flywheel retention system and method An energy storage flywheel system includes a flywheel assembly that is rotationally mounted in a housing assembly, and one or more actuator assemblies. The actuator assemblies are configured to selectively engage and disengage the flywheel assembly. When the actuato... | 04/03/2007 |
| 6923090 | Device for temporarily locking a rotor, in particular a magnetically suspended rotor of an inertia wheel for space applications According to the invention, a “Geneva” movement mechanism is used which is turned in one direction or the other by an electric motor. The mechanism comprises a “Maltese” cross turning about the axis of rotation of the rotor and supporting an annular piece. T... | 08/02/2005 |
| 6921069 | Sheet finisher and image forming system using the same A folding device of the present invention includes a fold plate and a fold roller pair for folding a sheet or a sheet stack conveyed thereto. A controller causes the fold roller pair to move back and forth while nipping the folded portion of the sheet or that of the... | 07/26/2005 |
| 6892608 | Turning disc intermittent rotary mechanism A turning disc intermittent rotary mechanism in accordance with the invention includes at least one top disc flexibly mounted to a bottom seat, wherein at the center of the top disc is provided with a through hole and the bottom surface thereof is provided with slid... | 05/17/2005 |
| 6758780 | Planetary traction drive mechanism and throttle valve assembly An improved planetary traction drive mechanism for use in actuating a throttle valve assembly is provided. An electric drive motor supports a cup-shaped member defining the outer ring of the mechanism. The drive shaft of the motor extends into the cup-shaped member ... | 07/06/2004 |
| 6615690 | Turning disc intermittent rotary mechanism The features of a turning disc intermittent rotary mechanism comprise at least one top disc, a through hole disposed at the center of the bottom disc plane, and the lateral side of the peripheral disc plane of the through hole is formed into a plurality o... | 09/09/2003 |
| 6604437 | Intermittent transmission apparatus An intermittent transmission apparatus according to this invention, broadly, includes a driving element and a driven element. The driving element comprises a first cam having a first cam surface, a second cam having a second cam surface, and an intermedia... | 08/12/2003 |
| 6510754 | Mechanical transmission module A mechanical transmission module has two plates, a transmission mechanism and an actuating axle. The two plates are mounted together with a gap formed between the plates. The transmission mechanism is mounted between the plates. The transmission mechanism... | 01/28/2003 |
| 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 |
| 6435051 | Driving cam of geneva mechanism A driving cam of a Geneva mechanism includes a core member coupled to the driving cam, and including a circular arcuate portion to correspond to a circular arcuate concave of a driven cam and a groove formed along a peripheral surface of the circular arcu... | 08/20/2002 |
| 6234047 | Intermittent transmission mechanism An intermittent transmission mechanism that includes a driving rotating body adapted to rotate around an input shaft and a driven rotating body adapted to rotate around an output shaft is disclosed. The driven rotating body has arcuate recesses and a gear... | 05/22/2001 |
| 6209404 | Intermittent geneva actuated mechanism An apparatus (10) includes a manually rotatable input member (15), an input gear (20), an output gear (40), a drive link (60), a first planar link (80), and a second planar link (90). The input gear (20) is operatively connected to the input member (15) t... | 04/03/2001 |
| 6183087 | Geneva mechanism and motion picture projector using same A driving mechanism such as a Geneva Mechanism which allows a load, such as film in a motion picture projector, to be intermittently advanced with controlled acceleration. The Geneva Mechanism includes a star wheel and a rotating driver. The star wheel in... | 02/06/2001 |
| 5971651 | Coupler for joining movable members A coupler that provides a selectively releasable connection between first and second relatively movable members. Such a coupler has a receiver that is secured to the first relatively movable member. The receiver is bifurcated to present a gudgeon having l... | 10/26/1999 |
| 5906134 | Geneva drive mechanism A Geneva drive mechanism includes a Geneva gear having arcuate recesses and radially outwardly opening slots arranged alternately in a circumferential direction thereof, and a driving member having an engaging element for engaging the slots. The driving m... | 05/25/1999 |
| 5903114 | Multi-functional apparatus employing an intermittent motion mechanism A multi-functional apparatus employs a power transmission mechanism for generating intermittent motion having a specific range of motion and angular velocity profile for selectively actuating a mechanical device operably coupled to the power transmission ... | 05/11/1999 |
| 5692411 | Quiet paper sorter using a collision impact reduction means The current invention discloses methods and apparatus for quieter sorters. The quieter sorter reduces the collision noises generated by movable pins of the sorter trays and a Geneva wheel which controls the movement of the sorter trays. The movable pins g... | 12/02/1997 |
| 5481945 | Lock plate adjustment for geneva drive mechanism A machine tool has a rotatable table with a plurality of lock plates located on the underside thereof at circumferentially spaced locations, and a geneva drive mechanism arranged to coact with the lock plates in rotatably indexing the table. The lock plat... | 01/09/1996 |
| 5370519 | Apparatus for cutting and dispensing cap lining material An apparatus for cutting and dispensing segments of thermoplastic material into receptacles such as crowns, particularly into those having relatively high sidewalls, includes a conveyor for conveying the crowns through a passageway at predetermined speeds... | 12/06/1994 |
| 5290121 | System for the installation and replacement of components in hostile environments Service equipment for use in hostile environments includes a detachable service unit secured to a stationary service unit. The detachable service unit includes a housing with an exterior plate, a power control interface for connection to an exterior power... | 03/01/1994 |
| 5281049 | Air direction control means for vehicle climate control means A rotatable driver comprising a Geneva type wheel is operated by a turning knob associated with climate designations on a mounting dashboard panel. The driver has drive pins that engage slots in tangential movement in driven links connected to push-pull c... | 01/25/1994 |
| 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 |
| 5165295 | End stop for stepper for step-type transformer A stepper drive for a step-type transformer has an upper geneva wheel rotatable about a wheel axis, a lower geneva wheel spaced below the upper wheel and also rotatable about the axis, and a driver rotatable about a driver axis adjacent the wheels and hav... | 11/24/1992 |
| 5069604 | Radial piston rotary device and drive mechanism A radial piston rotary device is disclosed having a gear drive mechanism to convert the varying speed of rotating piston shafts into uniform rotational motion of a power shaft. The rotary device has a pair of radial pistons, each having diametrically oppo... | 12/03/1991 |
| 5056377 | Tap selector anti-arcing system A tap selector anti-arcing system is used with rotary tap selectors to prevent arcing as the selectors move from one tap to the other. A lockout mechanism includes a pair of lever arms located adjacent two Geneva gears. The Geneva gears include pins dispo... | 10/15/1991 |
| 4938653 | Transmission arrangement, in particular a maltese transmission arrangement A drive arm is guided in a play-free and low-friction manner in a guide slot in a driven arm. The guide slot has two side edges which are arranged in displaced relationship with each other. Arranged on the driven arm are two rolling members, wherein a res... | 07/03/1990 |
| 4928091 | Apparatus for detecting position of moving object In an apparatus for detecting a position of a table, the table moves along a first track having a target position located within a predetermined range. The position detecting apparatus has a movable member and a detecting mechanism. The movable member is ... | 05/22/1990 |
| 4893582 | Deck box valve operator and position indicator assembly A deck box valve operator and position indicator assembly characterized by a sprocket (66) supported by the housing (18) on a plateau (70) adjacent the spindle means (46) and having a plurality of radial forked (74) arms (72) with arcuate peripheries (76)... | 01/16/1990 |
| 4869126 | Mechanical mode shifter A mechanical mode shifter is provided including an input and first and second outputs, which rotate simultaneously during a first portion of operation. The first output is coupled to the input for providing a continuous drive to the first output. Timing m... | 09/26/1989 |
| 4793640 | Cam-actuated electric door lock A door lock system for a motor vehicle including a latching and locking means is disclosed. A cam means is driven about a pivot point by the engagement of gear projections with a slot in the cam means to effect locking and unlocking of the door lock. The ... | 12/27/1988 |
| 4779522 | Drive mechanism for intermittent shaft rotation at irregular intervals A Geneva drive mechanism for intermittently and selectively rotating one or more drive shafts through indexed positions. A conventional Geneva mechanism is modified to include a drive movable between a non-driving and driving position. When the driver is ... | 10/25/1988 |
| 4765196 | Intermittent motion transmitting and timing system An intermittent motion transmitting and timing system for actuating an uplock latch device or the like to provide for high speed, timed power transmission at maximum load requirements. An inverse geneva drive mechanism is coupled between a rotational inpu... | 08/23/1988 |
| 4732048 | Wiper device for vehicle A wiper device for a vehicle, has a sub-arm turnably supported by a vehicle body through a supporting shaft provided in a base end thereof. An arm shaft is turnably provided in a tip end of the sub-arm and a base end of a wiper arm is fixed to the arm sha... | 03/22/1988 |
| 4724760 | Screen press with controlled stop geneva mechanism A screen printing apparatus having a rotatable turret with a plurality of work supports is indexed by a curved geneva mechanism to each of a plurality of index positions. The curved geneva mechanism includes a plurality of curved slots having surfaces eng... | 02/16/1988 |
| 4716290 | Rotary encoder with intermittent feed means A rotary encoder includes a train of gears meshed together in a multi-stage so as to reduce the driving number successively and encoders provided with the gear shafts in desired stages in order to count the number of revolutions of a power input shaft. Th... | 12/29/1987 |
| 4712437 | Gear for transforming rotary motion to reciprocatory motion In a gear for the transmission and/or transformation of the changing or alternating rotary movement of a drive, a cam plate is associated with the latter and has a guidance channel for receiving the said driver. The driver rotates in a radius about a cent... | 12/15/1987 |
| 4685347 | Indexable star wheel A star wheel is formed with angularly spaced teeth and intervening pockets and is indexed through one step each time a rotatable actuating pin enters one of the pockets. One of the teeth has a significantly greater angular width than the other teeth and h... | 08/11/1987 |