Class 74/404 - Reversing means

Subclass of Class 74 - Machine element or mechanism
Definition: Miscellaneous gearing in which the direction of rotation
No. of patents: 35
Last issue date: 06/24/2008

Number	Title	Issue Date
7390280	Model vehicle transmission system The present invention provides a transmission capable of providing a forward and a reverse drive for a model vehicle. The transmission comprises a drive gear and at least one transfer gear which is capable of engaging the drive gear. The at least one transfer gear i...	06/24/2008
7258031	Transmission In the transmissions of the background art, two larger-diameter gears are mounted on a final shaft thereby causing an increase in weight of the transmission. The present invention reduces the weight of a transmission by mounting only one larger-diameter gear on a fi...	08/21/2007
7124662	Reversible driving apparatus for PCU pumps An accessory driving apparatus for an aircraft system is connected to an accessory unit to be driven, such as a PCU pump. A gear set for transferring rotational power from the driving shaft to the driven shaft is provided for selective arrangement in first and secon...	10/24/2006
6948393	Transmission In the transmissions of the background art, two larger-diameter gears are mounted on a final shaft thereby causing an increase in weight of the transmission. The present invention reduces the weight of a transmission by mounting only one larger-diameter gear on a fi...	09/27/2005
6733052	Power operated vehicle door latch A vehicle door latch has a forkbolt, a detent that holds the forkbolt in a latched position, a release mechanism that moves the detent to release the forkbolt and a lock mechanism for disabling the release mechanism. The detent is moved by an intermittent lever that...	05/11/2004
6109626	Camera dolly A camera dolly has a steering unit which provides conventional, crab, and round steering modes, selected by the operator via use of a single steering/shifting handle. The steering unit includes first and second transmissions and a differential. Chains lin...	08/29/2000
5441315	Electric-motor drive for motor-vehicle central lock system A power actuator used in combination with a motor-vehicle door latch movable between a locked and unlocked position has a housing, a reversible electric motor in the housing having a rotatable output shaft defining an axis, and an input gear on the shaft....	08/15/1995
5373752	Power actuator for motor-vehicle door latch A motor-vehicle power actuator has a housing, an electric motor in the housing having an output shaft, an input gear fixed on the shaft, a threaded spindle extending along and rotatable about a spindle axis in the housing, an output gear fixed on the spin...	12/20/1994
5276466	Recording apparatus Disclosed is a recording apparatus for recording information signals on a recording sheet. The apparatus includes a conveyance mechanism for conveying the sheet, a recording head reciprocating along the sheet for performing recording thereon, a driving po...	01/04/1994
5149156	Power door-lock actuator with pivoting rocker and connecting gears A power door-lock actuator has a housing adjacent the lock, a reversible electric motor in the housing having an output shaft extending along a motor axis, and an input gear fixed on the output shaft and rotatable thereby about the motor axis. A threaded ...	09/22/1992
5086994	Oscillating and continuous motion gear drive assembly The present invention pertains to a gear drive assembly that will allow components that are not capable of continuous rotation to be coupled to a component that is capable of continuous rotation. The drive gear assembly includes a drive gear component whi...	02/11/1992
5085090	Rotation transmitting mechanism A rotation transmitting mechanism includes a first cylindrical body, a second cylindrical body arranged parallel to the first cylindrical body, a rotary body disposed parallel to the first cylindrical body, and circumscribed with the first and second cyli...	02/04/1992
4870874	Starting and reverse transmission apparatus A power transmission, particularly adapted for motorcycle application, in which a first planetary gear reduction system reduces power output from the starter motor for starting the engine and a second planetary gear reduction system operated in cooperatio...	10/03/1989
4862766	Device for driving a can plate of a spinning preparation machine A device for driving a rotatable can plate of a spinning preparation machine. The device includes a drive gear, a driven gear engaged by and driven by the drive gear for rotation in a direction opposite to the direction of rotation of the drive gear, an i...	09/05/1989
4572353	Reversible stow conveyor track A reversible conveyor wherein transmission of power is effected by a driving source to the conveyor, the conveyor being divided into two sections, wherein intermediate rollers are thrown from a drive position to a neutral position by a unit-load-controlle...	02/25/1986
4489623	Axle shaft and pump drive mechanism An axle shaft and pump drive mechanism (12) for a vehicle (10) includes a continuously variable transmission unit (24), an axle shaft (20), a pump (22), and a coupling device (34,78) for connecting the transmission unit (24) to the axle shaft (20) or to t...	12/25/1984
4460075	Reversing drive unit A reversing drive unit used in association with a clutch/brake unit and a motor driven in only one direction comprising a first shaft, a housing around at least a portion of the shaft with a second shaft extending from a position interior the housing to a...	07/17/1984
4440324	Cartridge-type dispenser gun A dispensing gun of the type holding a cartridge to push a substance out of it and characterized by using a longitudinally arc-shaped cartridge for a more compact operation and construction, by conveniently using a wheel drive to provide improved leverage...	04/03/1984
4423645	Pipe spinner A spinner for turning a well drilling kelly or the like and including a member connectible to the kelly to drive it rotatively, a reversible motor, and a drive between the rotor of the motor and said member including two gears for driving the member in op...	01/03/1984
4382683	Mixing machines In a rotary drum mixing machine of the kind in which the drum is rotated in opposite directions to mix and eject its contents respectively by a prime-mover operating through driving and driven means on a prime-mover driven shaft and the closed end of the ...	05/10/1983
4344337	Reduction and reversing gear for marine propulsion systems A reduction and reversing gear for marine propulsion systems making use of the clutch case of a conventional reduction and reversing gear of a type having an input shaft mounted on an upper part of the clutch case, an output shaft extending in parallel wi...	08/17/1982
4324010	Drive unit for adjustable beds A drive unit for adjustable beds, such as hospital beds and the like, of the type which have movable head and foot sections, and/or other adjustment functions, comprises a single, unidirectional, rotary motor, and a drive shaft for each adjustable bed fun...	04/13/1982
4296645	Powershift transmission with direct drive and modulated torque converter drive in forward and reverse A three speed powershift gear transmission includes a torque converter mounted on the input shaft and driven by a fluid actuated modulating clutch to provide fine speed control in two output speed ranges, direct drive in a higher speed range and a reversi...	10/27/1981
4242920	Marine reversing gearing A marine reversing gearing having a drive shaft, a forward clutch, a forward pinion coaxially arranged with respect to the drive shaft and capable of being coupled therewith by means of the forward clutch for forward travel. Two intermediate gears continu...	01/06/1981
4223707	Woodsplitter utilizing screw member Method and apparatus for splitting wood such as logs, comprising a prime mover selectively connectable to an elongated screw member to rotate the screw member in the clockwise direction and the counterclockwise direction, the screw member being mounted fo...	09/23/1980
4191063	Servo device, especially for reversible gears in motorboats A servo device is disclosed intended for amplifying the force in a mechanical control apparatus, movable in two opposite directions when said apparatus is displaced in either direction, comprising two gears rotatably disposed in a housing and coaxial with...	03/04/1980
4188833	Ship transmission A transmission is disclosed for use in ship drive arrangements. The transmission comprises a gear train having three main axes inclined and in parallel with respect to each other. The gear wheels of the gear train are selectively coupled to the main axes ...	02/19/1980
4186618	Transmission input decelerating and reversing mechanism A mechanism for selectively and/or automatically decelerating and positively reversing the normal direction of rotation of a rotatable shaft is provided. The mechanism includes a member which is meshingly engaged to a shaft driven by a one-way drive, such...	02/05/1980
4137789	Drive assembly for a magnetic-tape device A drive assembly for a cassette tape recorder having a motor driven driving pinion and an intermediate gear permanently engaged with the driving pinion and being adjustable in positions to alternatively engage a feed spool or a take up spool....	02/06/1979
4118996	Reversing gear in particular for a Z-drive for watercrafts An improvement in a clutch control of a reversing gear arrangement for a Z-drive for watercrafts. The reversing clutch coupling includes two beveled pinion gears which act onto a common driven bevel gear. The reversing coupling consists of two alternately...	10/10/1978
4117739	Gear drives with direction of rotation reversal A uni-directionally rotated clutched driving gear having arcuate segments of gear teeth acts sequentially on two idler gears to effect a two-speed bi-directional rotation of a driven gear. The driven gear may be attached to the drive shaft of the characte...	10/03/1978
4065980	Driving method and apparatus A method for driving an output shaft in the normal direction and the reverse direction alternately, which comprises performing alternately an operation of engaging a partially toothed wheel connected to the output shaft with a partially toothed wheel driv...	01/03/1978
4034619	Motion reversal device for mechanisms for compact cassettes, moving spool arrangements and the like A motion reversal device for mechanisms for compact cassettes, moving spool arrangements and the like, comprising a frame; two alternatively tape drive and winding hub members rotatably supported on the frame. A first gear is supported on the frame and is...	07/12/1977
4016825	Device for driving a boat propeller and cooling water pump A device for powering a propeller and a cooling water pump by a boat engine via a downwardly directed drive leg, which supports a hollow intermediate shaft for driving the propeller shaft. Between the crankshaft and the intermediate shaft there is arrange...	04/12/1977
3983759	Double-acting wrench A double-acting wrench has a main handle and a holding handle, the end of the main handle being connected to a set of reversing gears, and through a ratchet and double pawls to the cage in which the set of reversing gears are mounted. The reversing gears,...	10/05/1976

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Class 74/404 - Reversing means