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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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Class 74/436 - Geneva


Subclass of Class 74 - Machine element or mechanism
Definition: Gearing, of the star-wheel type adapted to give intermittent
No. of patents: 79
Last issue date: 01/22/2008


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NumberTitleIssue Date
7320463Device 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
7296492Animated 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
7201303Cordless 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
7197958Energy 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
6923090Device 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
6921069Sheet 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
6892608Turning 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
6758780Planetary 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
6615690Turning 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
6604437Intermittent 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
6510754Mechanical 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
6457452Mechanism 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
6435051Driving 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
6234047Intermittent 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
6209404Intermittent 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
6183087Geneva 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
5971651Coupler 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
5906134Geneva 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
5903114Multi-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
5692411Quiet 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
5481945Lock 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
5370519Apparatus 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
5290121System 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
5281049Air 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
5197354Angular 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
5165295End 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
5069604Radial 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
5056377Tap 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
4938653Transmission 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
4928091Apparatus 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
4893582Deck 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
4869126Mechanical 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
4793640Cam-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
4779522Drive 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
4765196Intermittent 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
4732048Wiper 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
4724760Screen 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
4716290Rotary 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
4712437Gear 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
4685347Indexable 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
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