Class 192/28 - Positive

Subclass of Class 192 - Clutches and power-stop control
Definition: Clutches in which the transversely-moving clutching member
No. of patents: 39
Last issue date: 07/10/2007

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Number	Title	Issue Date
7240779	Transmission device Transmission device comprising a first rotary member mounted coaxially on a second rotary member. The first rotary member can rotate in one direction independently from the second rotary member, and in the opposite direction is constrained to the second rotary membe...	07/10/2007
6568292	Indexing mechanism A method and a device are provided for achieving a step-by-step feeding, based on a rotary shaft which optionally can be made to execute one or more well-defined, whole rotation turns. The step-by-step feeding is achieved by mechanical connection between ...	05/27/2003
6554113	Torque limiting accessory drive assembly A torque-limiting accessory drive assembly comprising a pulley to transfer torque to an accessory drive system, a torque limiting device adapted to limit the maximum amount of transferred torque, and a one-way clutch assembly adapted to both selectively t...	04/29/2003
6394245	Knotter reset arm relief mechanism The dog clutch for a square baler is normally retained in a disengaged position as a continuously driven sprocket rotates around it during baling operations. When a retainer for the dog is released, the dog is released by the retainer and flips out to an ...	05/28/2002
6318250	Device for actuating the clutch of a twine wrap device for balers A device for actuating the clutch of a twine wrap device in a big square baler for harvested crops has a pawl attached to the clutch, a shift lever pivotable into the orbit of the pawl, a control device for the shift lever, and an electric motor which is ...	11/20/2001
6302015	Knotter reset arm relief mechanism The dog clutch for a square baler is normally retained in a disengaged position as a continuously driven sprocket rotates around it during baling operations. When a retainer for the dog is released, the dog is released by the retainer and flips out to an ...	10/16/2001
5261287	Positive engagement clutch for a submersible cleaning device A drive mechanism for converting a reciprocating angular movement into one directional angular movement is disclosed for driving a shaft in a submersible cleaning device. In particular, a positive engagement clutch converts an alternating pivotal or angul...	11/16/1993
5261515	Safety disconnect for the pedal operator rod of an attaching machine A mechanical disconnect for the pedal operating rod of an attaching machine comprises a stationary trip slide having a downwardly inclined cam surface and a housing enclosing the trip slide and reciprocable thereon. The housing is connected to the clutch ...	11/16/1993
5170870	Switchable freewheeling ratchet unit The invention relates to a switchable freewheeling ratchet unit 1a having a coupling sleeve 2 and a coupling hub 5 as well as radially resilient locking ratchets 13 and 38 per direction of rotation, which engage recesses 11 and 39 of the coupling hub 5 an...	12/15/1992
5076407	Disconnectable coupling A coupling (1) which is disconnectable in the driving direction of rotation has a coupling hub (2) and a coupling sleeve (3) rotatably arranged thereon. The hub (2) and sleeve (3) are connected in the driving direction of rotation by at least one locking ...	12/31/1991
4951789	Clutch assembly In a clutch assembly, a driven member is driven by a driving member through an engaging or clutch member which is mounted on the driven member movably between a position to be engaged with the driving member and a position to be released from the driving ...	08/28/1990
4926990	Clutch for franking machine Non-slipping clutch disposed between the drive and transport mechanism and between the drive and control cylinder for triggering printing in franking machines, including a shaft, a locking wheel being mounted on the shaft and engaged by the drive, interna...	05/22/1990
4785925	Mechanical clutch A mechanical clutch is described having a spring loaded clutch ring with a drive pin extending through a hole in a hub of a wheel and into a notch of a drive shaft. When pressure is exerted on the outer portion of the drive wheel, the spring is compressed...	11/22/1988
4771872	Clutch mechanism with freewheeling unit disengageable in the driving direction including releasable locking means A clutch mechanism having radially moving control pins which may be actuated to effect switching of the clutch into a freewheeling condition is formed to include catching members which engage the pins to lock them in position when the clutch mechanism swi...	09/20/1988
4762332	Wheel chair A wheelchair having a propulsion and speed change mechanism, the mechanism has a clutch with a cam clutch (21) and a cylindrical fly wheel (23) installed on a hub (24) of the shaft (25) of the main wheel of the chair. The clutch includes roller bearings (...	08/09/1988
4730641	Rotational dobby A driving coupling includes two pawls which are supported pivotally on an eccentric ring and which in a patternlike manner engage a longitudinal groove in the drive shaft. Each of two plates of a toggle-lever joint engages an arm extension of a respective...	03/15/1988
4707154	Printer A printer and in particular a printer adapted for use with a thermal print head is provided. The printer includes a power transmission which controls two clutches with a single electromagnetic driving unit. A clutch of a power transmission is initialized ...	11/17/1987
4629044	Clutch mechanism comprising a freewheeling unit disengageable in the driving direction A clutch mechanism designed to include a free-wheeling unit which is disengageable in the driving direction consisting of a clutch hub and a clutch sleeve which cooperate with locking catches, with the clutch sleeve being embraced by a control ring. Contr...	12/16/1986
4574649	Propulsion and speed change mechanism for lever propelled bicycles Propulsion and speed change mechanism for lever propelled bicycles having a pair of propulsion levers 4, each of which is built in one piece with a speed change arm 3 and mounted in each side of the main shaft portion 2 at the bottom of the bicycle frame ...	03/11/1986
4542769	Coupling arrangement for controlling the harnesses in a weaving machine A locking lever is articulated to a latch. The locking lever is pivoted or swung out against the action of a spring and the pivoting or swinging movement is limited by a stop mounted at an eccentric. The opposite pivoting or swinging movement of the locki...	09/24/1985
4466520	Self-contained clutch useful for single revolution applications Rotary input power is selectively coupled to an output shaft or the like by actuation of a plunger which forces a movable pin into a coupled relation between a member attached to the input drive and an arm attached to the output. A fixed wall establishes ...	08/21/1984
4460077	Overload clutch assembly An overload clutch assembly including a driving member and a driven member having torque transmitting balls operatively disposed therebetween in apertures in the driving member and engageable in recesses in the driven member with a control member axially ...	07/17/1984
4427035	Clutch arrangement for a heddle of a weaving machine The clutch contains a spring for pulling the arm of the control lever on the stop and an additional auxiliary spring connected with a roller. While the control lever strikes on the stop, the roller moves toward one lever arm so that in a further rotation ...	01/24/1984
4417870	Liquid fuel combustion apparatus A liquid fuel combustion apparatus comprises a combustion cylinder for supporting a wick to be vertically movable between a combustion position and an extinguished position, a rotating shaft connected to said wick for raising and lowering said wick, a dri...	11/29/1983
4404993	Clutch arrangement for controlling a heddle of a weaving machine The link disposed about the eccentric carries two stop elements in the form of rollers. When the pawl is engaged with the driving shaft, the stop rollers move in respective oval paths so as to engage and swing out the control levers to insure that the con...	09/20/1983
4347006	Paper insert and line feed mechanism A powered gear driven paper insert and line feed mechanism capable of rotating a platen through one half line spacing increments and which is both power operated and disconnectable for manual operation is disclosed. The platen of the typewriter or printer...	08/31/1982
4312435	Safety devices for mechanically operated apparatus such as a punch press A safety device for mechanically-operated apparatus, such as a flywheel-driven punch press, consists of a hook-providing coupling member for mounting on the press crank shaft, and a cooperating coupling member for connection to the apparatus body via a po...	01/26/1982
4281748	Indexing and synchronizing clutch mechanism An indexing and synchronizing clutch mechanism is disclosed which allows a driven shaft to be stopped in a precise indexing position and to be restarted from the indexing position in exact synchronization with a drive shaft. The mechanism comprises a rota...	08/04/1981
4248417	Sheet feed mechanism comprising one-rotation clutch and suction foot assembly Suction feet are arranged to pick up and feed a sheet from a stack and a blower is arranged to blow air against the edges of the sheets on the stack to separate the top sheet from the rest. A cam assembly driven through a novel one-rotation clutch moves a...	02/03/1981
4244456	Ejected roller shaft disconnect mechanism A rotary power transmitting shaft decoupling device has a driving element sposed coaxially within a driven element and keyed thereto by a plurality of rollers held in aligned grooves and slots of the driving and driven elements, respectively, by an indexi...	01/13/1981
4230210	Clutch for a textile machine The pawl is retracted from the intermittently rotatable input shaft via a controlled abutment and a spring biased lever-mounted or piston-mounted roller. The abutment serves to start retraction of the pawl while the spring biased roller presses against a ...	10/28/1980
4218899	Automatic washer spin delay mechanism A delay mechanism for providing a delay in the spin cycle of an automatic washer is operated by means of a pawl pivotable about a stud rotating on an eccentric, which in turn is engageable with a spin gear only in one direction of rotation, and thereby pr...	08/26/1980
4172519	Article accumulation conveyor An article accumulation conveyor in which the drive for moving the articles is automatically discontinued for a selected section of the conveyor when an article is stopped on another certain section of the conveyor and is started again automatically when ...	10/30/1979
4158944	Rotary blade coupling for lawn mower This invention relates to a coupling device and especially a coupling device operable by a dead-man's handle on a lawnmower. When used in a lawnmower the coupling device couples the motor shaft to the cutting blade. A spool has a hole in it that surrounds...	06/26/1979
4083441	Clutch assembly An improved clutch assembly includes a rotatable driving clutch part having leading and trailing lug portions thereon and a coaxially rotatable driven clutch part. First and second adjacently-positioned pawl elements are mounted on the driven part for opp...	04/11/1978
4029184	Pawl and ratchet clutch A self-releasing pawl and ratchet clutch is described that is particularly suitable for use as a single revolution clutch in a self-processing camera. At the end of one revolution of the clutch, the pawl is uncoupled from the ratchet wheel by a translatab...	06/14/1977
3982616	Latch operated centrifugally released safety clutch for saws A safety coupling for quickly disconnecting a cutting instrumentality from the power source of a hand-held power tool comprises a pawl on a rotating driving member engaging an abutment on a coaxial driven member. During normal operation a trip arm holds t...	09/28/1976
3954162	Centrifugal clutch with latch controlled engaging and releasing weight Disclosed herein is a centrifugal clutch comprising a rotatable driver, a clutch drum carried for co-axial rotation relative to the driver, a clutch shoe carried by the driver for common rotation therewith and for movement between a position engaging the ...	05/04/1976
3948374	Clutches A reproduction machine having a document scanning system has an improved recycling clutch for operating the system. The clutch has a rotatable input plate and a rotatable output plate. An annular pawl plate pivotally mounted on the input plate has a drivi...	04/06/1976

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Class 192/28 - Positive