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Class 74/343 - Direct clutch and drive


Subclass of Class 74 - Machine element or mechanism
Definition: Transmissions, but having means to directly clutch the drive
No. of patents: 20
Last issue date: 08/03/2010


NumberTitleIssue Date
7765886Automatic transmission
An automatic transmission that includes oil passages with a simple structure provided for twin clutches can allow the number of production steps to be reduced. The automatic transmission includes a number of gear trains equal to the number of speeds between a primar...
08/03/2010
7434488Transmission for tractor
A transmission for a tractor comprises a transmission case having an opening that opens to exterior of the transmission case and a speed change device that is housed in the transmission case. The transmission also includes a cover removably attached to the transmiss...
10/14/2008
7367416Drive train for a motor vehicle and method for starting an internal combustion engine and method for generating electric current
A drive train is proposed for a motor vehicle which is driven by an internal combustion engine, having a single friction clutch which has an input element and an output element, wherein the input element is to be connected to a crankshaft of the internal combustion ...
05/06/2008
7306216Power transmitting apparatus, power switching apparatus, and driving apparatus of multi-function machine using the same
A driving apparatus of a multi-function machine includes a scanner unit scanning data recorded on a sheet of document and a document transport part to transport the sheet of document. A printer unit prints data on a sheet of paper for an output and includes a carrie...
12/11/2007
7303043Actuation device
The invention relates to an actuating apparatus that can be used, for example, as an actuating apparatus for a motor vehicle transmission, the select function and the shift function being guaranteed by this actuating apparatus and it being possible to effect this us...
12/04/2007
7282826Driving device for sprocket wheels of chain drives
A drive system for chain sprockets 1 of chain drives, more particularly for driving chain scraper conveyors or chain-drawn ploughs for underground mining, with a drive assembly formed of an asynchronous motor and a gear mechanism 4, the gear mechanism ...
10/16/2007
7267198Portable electric grease gun
This invention discloses a portable electrical grease gun which relates to electric tool field. The portable electrical grease gun according to the present invention, in which conventional slide block assembly driving structure is replaced by a crank link mechanism....
09/11/2007
7225695Universally configurable motor vehicle transmission
A motor vehicle transmission (1) which is outfitted with a start-up subassembly (A), a core transmission (B) as well as an output subassembly (C) which are drive-engineering connected with one another and are arranged in a transmission housing to reduce devel...
06/05/2007
7107870Motor vehicle comprising a drive train having a multiple clutch drive
A motor vehicle includes a drive train having a drive unit, a gearbox having a first gearbox input shaft and a second gearbox input shaft, and a clutch having a first clutch device which is associated with the first gearbox input shaft, and a second clutch device wh...
09/19/2006
7086301Apparatus and method of controlling a vehicle
A vehicle transmission has a first torque transmission path for transmitting a torque from the engine to an output shaft of the transmission through a first input shaft of the transmission, a first pair of gears and a first mesh type clutch. A second torque transmis...
08/08/2006
6951526Motor vehicle comprising a drive train having a multiple clutch drive
A power train for a motor vehicle includes a drive unit, a gearbox having first and second input shafts, and a clutch having first and second multi-disk clutch arrangements assigned to respective input shafts for transferring torque between the drive unit and the ge...
10/04/2005
6820512Motor vehicle gearbox
Motor vehicle gearbox with two concentrically mounted input shafts, each driving an individual layshaft, having gears in engagement with gears on an output shaft. One layshaft has a central synchronization device, via which the layshaft which is driveably coupled to...
11/23/2004
6637957Printer with ribbon fold out mechanism and plastic ribbon clutch
A ribbon mechanism mounted in the lid of a printer includes a ribbon carriage pivotally coupled to the lid for folding out of the lid by virtue of its mass when the lid is open and for folding in the lid as the lid is closed. The invention comprises a clu...
10/28/2003
6591705Transmission
A shiftable gear transmission has a plurality of gear pairs with free gears that can be engaged to one of the shafts by means of shift clutches and fixed gears that are permanently locked to one of the shafts. A start-up clutch arranged at the input side ...
07/15/2003
5910190Transmission and clutch assembly
The transmission and clutch assembly including a conventional casing, a slidable input shaft directly engageable to the drive member for high gear, and further including an output shaft which is rotatably engaged in the open end of the input shaft, and fu...
06/08/1999
5875683Controllable gear shifter with lock-in system
The present invention provides an apparatus for locking a gear train in high and low gear modes. A printed circuit board has first, second and third conductive pads, each of which are in electrical communication with a main circuit. A conductive clip havi...
03/02/1999
5238266Landing gear for semitrailers
A landing gear for semitrailers includes a two speed double reduction gear assembly having fewer, smaller, and simpler parts, resulting in a compact double reduction gear assembly housed in a relatively small gear box or entirely within one of the landing...
08/24/1993
4573370Gear reversing mechanism for power tools
A gear reversal mechanism for a hand held power tool is selectively operative to reverse the output of a unidirectional motor and provides a direct drive forward mode and an indirect drive reverse mode, with the selection therebetween being implemented by...
03/04/1986
4096932Drive for power transmission
A manually shiftable transmission for use in automobiles with the usual driven shaft, axially aligned with a drive shaft. The usual gears, (for example, first, second, third, and fourth gear) are present on said shafts, to transmit a drive from any one ge...
06/27/1978
4014221Transfer box for four-wheel drive vehicles
Transfer gearing for converting a vehicle with a single power-driven axle to four-wheel-drive is housed partially within the vehicle's gearbox. The transfer gearing comprises a train of gears on vertically spaced shafts, the lowermost shaft having a coupl...
03/29/1977
 
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