Class 92/13.41 - Adjustment by assembly or disassembly

Subclass of Class 92 - Expansible chamber devices
Definition: Apparatus in which the means which is moved or positioned
No. of patents: 39
Last issue date: 06/22/2010

Number	Title	Issue Date
7739944	Fluid operated rotary drive A fluid operated rotary drive comprises a drive housing (2) and an output shaft (4) able to be caused to oscillate in relation to it and having a pivotal abutment arranged on it which cooperates with a counter abutment (34 and 35). The pi...	06/22/2010
6966248	Adjustable valve rod and pull tube guide for downhole pumps The guide has a barrel segment and a bushing segment. The barrel segment couples to the upper end of the pump barrel. The bushing segment has a bushing stop. The length of the guide is adjustable so as to vary the length of the bushing stop from the barrel. By varyi...	11/22/2005
6915717	Component for a motor vehicle An assembly unit for a motor vehicle is provided with a lever arm arranged in a bearing block pivotably around an axis on a bolt fixed in mounts of the bearing block. The bearing block has at least one section opening or expanding in case of an accident as a consequ...	07/12/2005
6907974	High performance intermediate servo assembly A high performance intermediate servo assembly wherein the servo piston has been modified to provide at least a 17% increase in surface apply area and a corresponding increase in hydraulic pressure delivered to the 2nd gear clutch band which it actuates i...	06/21/2005
6694862	Accessible hand pump A hand-operated pump, readily accessible and useable by people with disabilities, complies with the specifications set forth in the American Disabilities Act. The reciprocating pump provides for counterbalance-assisted rotary motion input by the user, is ...	02/24/2004
5957030	Actuator and the process for its assembly An actuating cylinder (2), especially for a hydraulic clutch operation device in a motor vehicle, is disclosed, having a piston unit (6) arranged in a housing (4) and guided via a guide sleeve (8) which is permanently connected to the housing, wherein the...	09/28/1999
5435229	Disposable preload tool for vacuum actuators A fluid pressure actuator assembly (44) adapted for use with a valve member (42) is disclosed, the actuator being of the type comprising a housing assembly (50), and an axially moveable diaphragm assembly (56). A linkage member (48) is operably associated...	07/25/1995
5336066	Balloon pump A balloon pump includes a cylinder having an outlet end and a piston adapted to reciprocate within the cylinder. One-way outlet and inlet valves are associated with the pump for allowing air to exit the cylinder outlet end only when the piston moves towar...	08/09/1994
5335582	Vacuum brake booster In a method of manufacturing a brake booster, a step of defining a fixed distance between a peripheral surface on a rear shell of the brake booster and an eye of a linkage member attached to a brake pedal when the movable wall is in a rest position. The w...	08/09/1994
5303637	Piston assembly structure for an hydraulic cylinder Portable lift structure for moving a support platform between a comparatively dry position above the surrounding deck of a liquid spa tank to a wetting position in the spa tank including two longitudinally extending structural members pivotally connected ...	04/19/1994
5253671	High pressure diaphragm valve A diaphragm valve for high pressure use has a metal diaphragm which is actuated into and out of direct engagement with a valve seat by an air operator acting through a force multiplying lever assembly. The valve seat is confined by rigid interior and exte...	10/19/1993
5253549	Methods and systems for improving the operation of automatic transmissions for motor vehicles The present invention provides methods and systems for improving the operation of an automatic transmission for automotive vehicles, particularly automatic transmissions installed by original automobile manufacturers. The methods of the invention employ f...	10/19/1993
5195419	Method for assembling a piston-and-cylinder unit and force transmission element There is presented a method for assembling a tandem master cylinder and a vacuum brake power booster of a hydraulic brake system for automotive vehicles. Air is injected via the pressure connections (19, 36) of the pressure chambers (11, 18) associated wi...	03/23/1993
5040768	Powdery article supply valve mechanism A powdery material supply valve mechanism including a valve means disposed in front of a piston rod means in a longitudinally aligned relationship with each other, a valve housing means incorporating operatively the valve means and the piston rod means th...	08/20/1991
5014514	Method for assembling a piston-and-cylinder unit with a force transmission element A method is suggested for assembling a tandem master cylinder and a vacuum brake booster of a hydraulic brake system for automotive vehicles. Air is injected via the pressure connection (19) of the pressure chamber (18) associated with the push-rod piston...	05/14/1991
5006047	Compressor with a segmented piston rod assembly The invention relates to a compressor having a piston and rod assembly which is segmented to allow adjustment of the compressor's output. In particular, fasteners accessible from the top surface of the piston can be removed so that shims can be added or r...	04/09/1991
4821624	Stroke limiter for hydraulic cylinder A stroke limiter for a hydraulic cylinder comprises two sleeve portions each having a channel located therein that are frictionally mounted to the piston rod adjacent to the piston. An elongated contactor is slidably received in each of the channels. The ...	04/18/1989
4766803	Variable stroke hydraulic cylinder control linkage A control linkage for varying the length of stroke of a hydraulic cylinder is disclosed wherein a slide member is telescopically received within a bracket member, one of these members being connected to the extension end of the hydraulic cylinder while th...	08/30/1988
4759263	Fluid operated cylinder device A fluid operated device includes a cylindrical housing whose opposing ends are closed by suitable end covers and which accommodates a piston rod supporting a piston and made of at least two parts connectable to each other. One of the parts of the piston r...	07/26/1988
4685299	Threaded sleeve member for connecting master cylinder to vacuum booster A method of attaching a master cylinder (12) to a shell (78) of a vacuum brake booster (14) through a sleeve connecting member (62). The sleeve connecting member (62) has internal threads (64) and external threads (66). The master cylinder (12) has an ins...	08/11/1987
4679989	Pump shovel bulk unloader An air-operated reciprocating pump is designed for use with a wide variety of materials having widely varying viscosities. The pump has a stroke which is adjustable so that the piston can operate either entirely within the cylinder or can extend out the b...	07/14/1987
4646623	Actuator cylinder A cylinder actuator has a cylinder barrel, a piston running axially therein, a piston rod running through a first end plate and a stop for limiting motion of the plunger (made up of the piston and its piston rod) by cooperation with an abutment on the plu...	03/03/1987
4639169	Mineral mining installation A mineral mining installation comprises a roof support unit and an advance mechanism. The roof support unit has a floor sill constituted by two floor girders. The advance mechanism comprises a hydraulic advance ram, the advance ram having a relatively-dis...	01/27/1987
4628663	Clip punch device and packaging apparatus equipped therewith A clip punch device for banding encased meat products comprising a positive locking piston stop accurately controls the length of downstroke of the punch rod substantially reduces or eliminates overforming and underforming of closure clips and potential f...	12/16/1986
4628795	Piston of a pressure-medium actuator with a piston rod of adjustable effective length A piston for actuating a brake-band end of a transmission band system includes a piston for actuating a band in a transmission. The piston includes a piston body, and an elongated guide shaft having a proximal end fixed to one side of the piston body and ...	12/16/1986
4627798	Apparatus for circulating cleaning fluid through a cooling system A single cylinder pump for circulating cleaning fluids through a radiator or like cooling system applies positive and negative pressure to the fluid to create a pulsating agitation of the fluid through the radiator through the use of a thin washer-like pl...	12/09/1986
4556127	Railway track lubricator A ramp lever is adjustably supported by a frame secured to the rail of a railway track. The lever has a shaft portion and a car wheel striking portion that extends upwardly from the shaft portion. The ramp lever is rotatably supported by the frame for mov...	12/03/1985
4478107	Suction cap for an automatic gearbox A suction cap for the control of the oil pressure regulation system in an automatic gearbox comprising an intermediate chamber bounded by a diaphragm, a housing and a bellows, with a spring connected, on the one hand, to a push-rod and engaging, on the ot...	10/23/1984
4474247	Automatic bi-positionable mechanism for plows A tractor-drawn plow is carried at its left front end on a tractor via vertically shiftable hitch means and at its right front end on a furrow wheel linkage means providing for raising and lowering of the frame among transport, open-up plowing and normal ...	10/02/1984
4453380	Method and apparatus for setting the idle stroke of a master-cylinder/servo assembly, and brake control unit adjusted by implementing this method According to the invention, the communication between the supply orifice (40,41) and the corresponding pressure chambers (38,39) of the master-cylinder (11) is tested while the stop (25) defining the rest position of the piston (15) of the servo is being ...	06/12/1984
4379424	Devices for limiting the stroke of a hydraulic ram used in mining apparatus A device for limiting the stroke of a hydraulic ram of mining apparatus employs a segmental stop which partly surrounds the piston rod of the ram. The stop locates between the cylinder of the ram and a head piece at the end of the piston rod. The cylinder...	04/12/1983
4307570	Boosted master cylinder assemblies for vehicle braking system A servo booster is provided with a tube coaxial with the booster output rod for relieving the booster housing of braking reaction forces. The housing of a tandem master cylinder has an externally threaded rear end which is threadedly engaged with internal...	12/29/1981
4256211	Piston stroke adjusting arrangement for disc-type friction clutches and brakes A piston stroke adjusting arrangement for disc-type friction clutches or brakes used most advantageously in forging machines and presses where rapid engagement and disengagement of clutches and brakes is essential. The arrangement includes a housing and a...	03/17/1981
4177681	Apparatus for adjusting and locking a linear actuator A cylindrical linear actuator suitable for installation in a confined area and capable of infinite stroke adjustment over its scheduled travel and lockable at any position of its designated stroke includes overlapping and combining rod end stroke adjustme...	12/11/1979
4113031	Power shift mechanism for earth working implements The disclosed Power Shift Mechanism is adapted to laterally shift an earth working implement, such as a vertical plow, relative to a tractor or the like. In the disclosed embodiment, the plow is mounted on a slide bracket and the bracket is slideably moun...	09/12/1978
4094231	Rotary actuator and methods of fabrication A fluid-operated actuator for rotatable valve stems and the like includes a double ended piston reciprocally carried in a sealed housing. The housing has a pair of sleeves threaded into a central body. The sleeves support opposite end regions of the pisto...	06/13/1978
4071091	Motor grader with detachable link for reduced blade angle operation The invention is concerned with an improvement in a motor grader which comprises a powered vehicle having a main grader frame extending forwardly therefrom, the frame being supported adjacent its forwardmost end by ground engaging wheels, a circle drawbar...	01/31/1978
4056043	Fluid power piston actuators A pneumatic actuator includes a cup-shape cylinder body housing a piston and having a generally flat base with a mounting hub projecting outwardly. A piston rod is slidably mounted in the hub and connects to a load such as a damper in an air mixing box. T...	11/01/1977
3945302	Diaphragm adjustment tool The disclosure illustrates a tool which permits the adjustment of a pressure responsive flow controlling diaphragm assembly while the diaphragm is pressurized. The tool is used to adjust the position of a central shaft threaded through the diaphragm and h...	03/23/1976

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Class 92/13.41 - Adjustment by assembly or disassembly