Class 184/28 - Hand-operated

Subclass of Class 184 - Lubrication
Definition: The pump-piston is operated by hand.
No. of patents: 31
Last issue date: 06/12/2007

Number	Title	Issue Date
7228941	Metering device for lubricant The invention relates to a metering device for lubricant having a lubricant reservoir (1), a piston (3), which is arranged on a threaded spindle (2), within the lubricant reservoir and a drive head 4, which has a drive shaft (7) co...	06/12/2007
6874599	Fifth wheel lubrication system A fifth wheel lubricating system for greasing the interface between the upper and lower fifth wheel plates while the trailer is couple to the tractor. The system supplies grease form a cartridge that is coupled to a solenoid activated grease valve and controlled by ...	04/05/2005
6659229	Pneumatic in-line lubricator An in-line lubricator for a pneumatic tool system includes a body defining a fluid reservoir and a working passageway and an actuator positionable within the body. The actuator includes an elongated body having a transfer cavity formed therein which is in...	12/09/2003
6626191	Method an apparatus for maintaining housed bearings This invention relates to an accessory for maintaining bearings, more particularly but not exclusively, to an accessory for use in the cleaning of bearings. The bearings maintenance accessory is used for the maintenance and cleaning of a bearing located o...	09/30/2003
6520292	Apparatus for packing grease in bearings A grease bearing packer device includes a cylindrical container filled with grease into which a stem member including a piston and a concave frustoconical bearing support plate are positioned. A cap member with a convex bearing engagement plate is pushed ...	02/18/2003
6467579	Press for compressing lubricating grease and the cartridges used therefor A press for extruding lubricating grease has a press head with a high pressure reciprocating pump, a high-pressure outlet opening with a check valve, a low-pressure intake opening for feeding the mass to be extruded to the reciprocating pump, and a connec...	10/22/2002
6357492	Liquid changer A liquid changer includes a base, a liquid tank, a pump and a changeover valve. The base has two insert grooves for the liquid tank and the pump to fit therein to stand up. The changeover valve is located at one side of the pump. Switching the changeover ...	03/19/2002
6003635	Portable device and method for enhanced recovery of lubricants from engine sumps and the like A device for recovering fluid from a reservoir having a lower drain. The device includes a first coupling connectable to a drain of a reservoir and having an internal passage for fluid flow therethrough. A conduit has one end connected to the first coupli...	12/21/1999
5992569	Bearing grease packer A grease packer (10) for packing grease into a bearing (15) has an inner race and an outer race, having a non-rigid bearing holder (11) that defines a conical chamber (12) having a first open end (13) and a second open end (14) through which the bearing (...	11/30/1999
5857442	Internal combustion engine lubricating system To prevent oil in which air is mixed from being led to an oil pump, preventing the number of parts from being increased in a lubricating system of an internal combustion engine wherein an oil relief valve dipped in oil in an oil pan is connected to a half...	01/12/1999
5638993	Fluid dispenser for use with power tools A dispenser for selectively dispensing oil onto a cutting member of a power tool. The inventive device includes a reservoir attachable to or integral with a body of a power drill. A dispensing assembly extends from the reservoir into close proximity to a ...	06/17/1997
5450924	Portable oil suction device A portable oil suction device including a solid oil tank, a top cover securely fixed to the top open end of the oil tank and having a unitary handle for carrying by hand, a pump cylinder disposed inside the oil tank, a plunger moved in the pump cylinder t...	09/19/1995
5443139	Bicycle chain lubrication An apparatus for cleaning and lubricating a bicycle chain while riding is provided. The apparatus includes a water reservoir, a lubricant reservoir and a device for transporting the lubricant and water to an injecting device for injecting said fluids onto...	08/22/1995
5435413	Oil drainage device A new and improved oil drainage device. The device includes an oil receptacle upon which is mounted an oil pump. The pump can be connected, by way of a length of flexible tubing and a quick coupling, to the drainage hole of an oil pan. Thus, the device se...	07/25/1995
5417308	Trailer fifth wheel lubrication apparatus A new and improved trailer fifth wheel lubrication apparatus is carried by a truck and includes a fifth wheel assembly which has lubrication channels and fittings for conveying lubricant to an upper surface of the fifth wheel assembly. Lubricant conveyanc...	05/23/1995
5343982	Grease pump This invention relates to a grease pump and in particular to one including a body portion having a main tube and a cover threadedly engaged with an end of the main tube, an adjusting device mounted with the main tube and having a throttle valve, a steel b...	09/06/1994
4946005	Apparatus and method for charging a lubricant into a marine engine outdrive An apparatus that facilitates the filling of a marine engine lower unit reservoir with gear lube. A squeezable container having a conical spout with a threaded base is modified by cutting off a substantial part of the spout, leaving only a truncated, unth...	08/07/1990
4921073	Method and apparatus for lubricating the shaker heads of a tree shaking harvester A lubricant filled reservoir attached to a pressuring device is adapted to deliver lubricant from the reservoir to between the padding layers of the shaker heads. The lubricant reservoir and pressuring device in one arrangement of the invention is a manua...	05/01/1990
4789312	Lubrication pump with improved priming handle assembly A lubrication pump includes a piston and cylinder pump assembly comprising a piston arranged for reciprocation within and relative to a cylinder and having a charging stroke and a discharging stroke, a motor drivingly connected to the piston and cylinder ...	12/06/1988
4676409	Grease gun and method for making such a gun A grease gun has a grease container with a low pressure piston, and a high ressure part with a high pressure piston in a passage. The high pressure part is located on a cap screwed to the grease container. The high pressure part is connected through a hole...	06/30/1987
4508195	Oil changing and lubricating apparatus There is disclosed an oil changing and lubricating system for a vehicle comprising a housing connectable to the vehicle, a pump affixed to the housing, the intake of the pump communicating with an oil reservoir for the vehicle and the outlet of the pump b...	04/02/1985
4298144	Grease gun Disclosed is a grease gun comprising a tubular casing having a grease pump attachment at one end and a cover at the other end which fits internally against the casing rim. A draw rod extends into the casing through the cover and carries an internal pressu...	11/03/1981
4210225	Liquid oil feeders A liquid-oil feeder is provided for supplying various metered amounts of oil to a plurality of regions. The feeder has a tank of oil and an oil pick-up chamber reciprocating in and out of the supply of oil. The chamber contacts a transfer plate and a long...	07/01/1980
4120380	Oiler for motorcycle drive chains An oiler for a motorcycle chain has a container for an oil can the discharge therefrom controlled by a plunger exposed at one end. The container has a port and includes an open-ended chamber which the can fits and a cap provided with a lever yieldably hel...	10/17/1978
4094382	Lubricant feed system A lubricant feed system for use in lubricating the cutting attachments of a chain saw having an internal combustion engine and a lubricant tank. The feed system has a system of passageways permitting flow of lubricant from the tank to the guide bar. A che...	06/13/1978
4077493	Grease gun A grease gun characterized in that a dispensing head assembly having a lever-operated piston pump is screwed onto the head end of a grease-containing cylinder and in that a spring-biased plunger and rod assembly inserted into said cylinder from the head e...	03/07/1978
4077494	Grease gun A grease gun of the type wherein a dispensing head assembly having a lever-operated piston pump is screwed onto the head end of a grease-containing cylinder and wherein a spring-biased plunger and rod assembly in said cylinder is operative to feed grease ...	03/07/1978
4066146	Rust retarder applicator A rust retarder applicator which includes a tubular length to be inserted into the combustion chamber of an internal combustion engine when not in use, which is of a cross sectional area adapting the same for insertion through the spark plug opening and w...	01/03/1978
3983958	Method and apparatus for observing, indicating and maintaining fluid level Apparatus is provided for attachment to a bearing housing through an access conduit, which provides means for allowing observation of the lubricating oil in the bearing housing, ascertaining the level of oil in the lubricating housing, and maintaining a d...	10/05/1976
3972387	Lubrication system with quick-change supply reservoir A reservoir-type pump structure for liquid and viscous materials, particularly lubricating materials such as lubricating oils and greases, in which the reservoir is formed as an independent unit readily detachable from the pump structure or attached there...	08/03/1976
3938623	Grease gun A grease gun having a hollow cylindrical body closed at one end and threadedly engaged at the other end with a removable delivery nozzle. Within the cylindrical body there is a central push rod having one end extending through a central aperture in the cl...	02/17/1976

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Class 184/28 - Hand-operated