Class 184/24 - Piston-rod lubricators

Subclass of Class 184 - Lubrication
Definition: As the name indicates, these devices are adapted to lubricate
No. of patents: 31
Last issue date: 02/15/2011

Number	Title	Issue Date
7886876	On board oil reservoir for lubricating piston paint pump Apparatus and method for on-board lubrication of a paint pumping piston including a reservoir for lubricant and a lubricant dispensing mechanism for delivering a predetermined repeatable amount of lubricant upon manual actuation of the lubricant dispensing mechanism...	02/15/2011
7172200	Sealing arrangement on piston rods A sealing arrangement on piston rods with a rod guided in a cylindrical compressed-gas space, particularly on piston rods of high-pressure pneumatic springs or gas-filled shock absorbers, with at least one seal disposed on the piston rod for sealing the compressed-g...	02/06/2007
7143866	Strand lubrication A strand being pulled through a conduit is automatically lubricated. ...	12/05/2006
7021633	Low friction fluid seal device with additive to rubber compound A fluid seal device for use in sealing an annular space between an internal surface of a cylinder and a member therein having an outer cylindrical surface and being formed at least in part from rubber. An oleamide additive is included in the rubber compound comprisi...	04/04/2006
6915879	Main shaft balancing device for machine tool A gas spring comprising a cylinder body filled with compressed gas and an upright rod passing through a rod side end wall member of the cylinder body. By supporting a main shaft unit with the gas spring, the load on a vertical displacement mechanism is reduced. A pa...	07/12/2005
6789650	Oil jet device for piston cooling An oil jet device for piston cooling in which no press-fitting device is required, and the O-ring is prevented from being broken. A filter plug is inserted into an oil passage opening from the crank journal of a crankcase toward the side of the lower portion of the ...	09/14/2004
5806631	Piston pin lubrication A number of embodiments of direct piston pin lubrication systems for reciprocating machines such as internal combustion engines. In all of the embodiments, the hollow interior of the piston pin is employed as a distribution passage with radial drillings e...	09/15/1998
5743168	Device for lubricating an assembly between two mechanical components which can move with respect to each other, especially a connecting rod/piston articulation A device including a first moving part such as a piston (1) and a second moving part such as a connecting rod (2) with a coupling part (4) therebetween. A low-pressure compressible liquid lubricant feed system delivers a liquid into a chamber (10) with a ...	04/28/1998
5701797	Sealing system A piston reciprocally movable within a cylinder is sealed to the cylinder wall by fluid at a pressure greater than those of the fluids on the opposed sides of the piston supplied to the space (18) between two seals (19, 20) operative between the piston an...	12/30/1997
5669285	Spherical joint connecting rod holder rings Spherical joint connecting rod holder rings. The holder ring is formed in two halves which define a socket in which a spherical small end of the connecting rod is retained. The ring further includes a vertical wall which acts as an oil dam to retain oil i...	09/23/1997
5465811	Self-contained gas cylinder A gas cylinder element having a replenishable lubrication means provided in the piston rod guide bushing. The gas cylinder element has an extended life expectancy and reduced manufacturing cost....	11/14/1995
5400871	Slideway guide unit A slideway guide unit for column ways in toolmaking and machine construction comprises a guide unit and a sliding element, secured to it and in contact with a guideway, together with a lubricating device for lubricating the guideway. The invention prevent...	03/28/1995
5360324	Reciprocating vacuum pumps A reciprocating vacuum pump has a disc shaped piston (22, 122) having a peripheral elastomeric seal (52, 152) with oppositely directed, radially outwardly extending skirt portions (54,56); the piston is driven axially by a rod (34, 134) reciprocal in a lu...	11/01/1994
5346037	Packing nut and rod guide for piston paint pumps A combined packing nut and rod guide for piston paint pumps has a body with a central bore therethrough and at least one relief extending axially along the bore providing a lubricating passageway and paint leakage path. An annular reservoir is formed at a...	09/13/1994
5339724	Arrangement for the lubrication of the piston member of a fuel injection pump An improved lubrication arrangement for a piston member arranged to be reciprocatingly movable in a cylinder element of an injection pump for fuel or the like pressure medium, wherein lubricant is supplied under pressure into a lubrication groove arranged...	08/23/1994
5314172	High pressure die cylinder and manifold system A high pressure die cylinder and manifold system including a plurality of die cylinders mounted on a manifold. Each die cylinder includes a cylinder body in which a piston rod and a piston is positioned for limited relative movement with respect to the cy...	05/24/1994
5305854	Stuffing box lubricator Apparatus for lubricating pistons having a pressure metered lubrication reservoir in fluid flow attachment with the piston through a lantern port in the wall of the stuffing box surrounding the piston. A check valve in fluid flow alignment between the stu...	04/26/1994
5086691	Gas compression device having isolated compression and lubrication chambers A high-performance, robust gas-compression device of long-term reliability is adapted in particular for storing nitrogen gas under compression, and includes a substantially cylindrical body (1), a piston (4) partially projecting into the gas-storage chamb...	02/11/1992
4900233	Reciprocating compressor providing a lubricant free compressed gas The presence of a lubricant in compressed gas from a reciprocating compressor including at least one cylinder 76 reciprocally receiving a piston 74 mounted on a rod 60 and connected to a rotary shaft 12 by a rotary to reciprocating motion converting mecha...	02/13/1990
4869211	Lubricating oil channel The invention relates to the construction of a lubricating oil channel (12), by way of which lubricating oil is conducted to spray nozzles (2) for the cooling of the pistons of an internal combustion engine. The spray nozzles (2) are connected with spray ...	09/26/1989
4787534	Dropper machine A first reservoir is provided for receiving a filling of the substance to be delivered, having a second reservoir superimposed thereon for receiving a filling of a lubricating substance. The reservoirs are traversed by tubular elements communicating at th...	11/29/1988
4515110	Rod bearing lubrication for two-cycle engines This invention is a lubrication pumping means contained within one or more reciprocating rods to assure lubrication of the crankpin rod bearing and the wrist pin bearing during operation of a two-cycle internal combustion engine. The invention teaches a m...	05/07/1985
4502423	Lubrication means for a two-cycle internal combustion engine This invention is a lubrication pumping means contained within one or more reciprocating rods to assure lubrication of the crankpin rod bearing and the wrist pin bearing during operation of a two-cycle internal combustion engine....	03/05/1985
4502421	Rod lubrication means for two-cycle internal combustion engines This invention is a unique lubrication means contained within a hollow shank of a reciprocating rod including a valve means to maintain a supply of lubricant within the shank of the rod to assure proper lubrication of both the crankpin and wrist pin rod b...	03/05/1985
4466387	Lubrication means for a two-cycle internal combustion engine This invention is a lubrication pumping means contained within one or more reciprocating rods to assure lubrication of the crankpin rod bearing and the wrist pin bearing during operation of a two-cycle internal combustion engine....	08/21/1984
4419948	Needle bar lubricant sealing device A needle bar bushing having a lubricant seal for reducing excess lubricant on the needle bar of a sewing machine. The lubricant seal includes a plurality of vertically aligned scraping portions including at least two similarily disposed conical scraping e...	12/13/1983
4301893	Lantern rings The present invention is directed to a lantern ring arrangement for use in fluid seal arrangements, to prevent fluid leaking around rotating shafts including a ring having first and second spaced sides with first and second ring openings respectively prov...	11/24/1981
4276003	Reciprocating piston pump system with screw drive A pump system of the reciprocating piston type is described, which facilitates direct motor drive and cylinder sealing. A threaded middle potion of the piston is engaged by a nut connected to rotate with the rotor of an electric motor, in a manner that mi...	06/30/1981
4167172	Device for monitoring the lubrication of the crankshaft of a reciprocating internal combustion engine by means of a Wheatstone bridge The lubrication of an engine crank shaft is monitored using a wheatstone resistance measuring bridge one of the arms of which includes lubricating oil ducts between the crank shaft and crank case of the engine, balanced against a reference resistance prov...	09/11/1979
4154434	Boot arrangement for piston-cylinder assembly A flexible boot surrounds a piston rod and is sealed at one end to the free end portion of the piston rod and at its other end to the rod end of the associated cylinder. The head end of the cylinder is connected to a source of gas under pressure and the i...	05/15/1979
4005763	Lubricating means for gas-operated cylinders Lubricating means for a piston-cylinder unit operated by non-lubricated gas under pressure comprising a passageway in the piston-cylinder unit extending from the surrounding atmosphere to the cylinder chamber on the side of the piston opposite that to whi...	02/01/1977

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Class 184/24 - Piston-rod lubricators