GB2298463A - Grease Gun - Google Patents

Grease Gun Download PDF

Info

Publication number
GB2298463A
GB2298463A GB9504115A GB9504115A GB2298463A GB 2298463 A GB2298463 A GB 2298463A GB 9504115 A GB9504115 A GB 9504115A GB 9504115 A GB9504115 A GB 9504115A GB 2298463 A GB2298463 A GB 2298463A
Authority
GB
United Kingdom
Prior art keywords
grease
piston
pump
holes
reservoir
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB9504115A
Other versions
GB9504115D0 (en
Inventor
Gerald Lawrence Martin
David Timothy Ogdon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIPCO TIPPERMEND
Original Assignee
TIPCO TIPPERMEND
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIPCO TIPPERMEND filed Critical TIPCO TIPPERMEND
Priority to GB9504115A priority Critical patent/GB2298463A/en
Publication of GB9504115D0 publication Critical patent/GB9504115D0/en
Publication of GB2298463A publication Critical patent/GB2298463A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/14—Pumps characterised by muscle-power operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
    • F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
    • F04B9/127—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting elastic-fluid motor, e.g. actuated in the other direction by gravity or a spring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N13/00—Lubricating-pumps
    • F16N13/02—Lubricating-pumps with reciprocating piston
    • F16N13/06—Actuation of lubricating-pumps
    • F16N13/16—Actuation of lubricating-pumps with fluid drive

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

A grease gun comprises a cylinder 2 with holes 4 through which grease is sucked into the cylinder from a reservoir 7 during a spring powered suction stroke of a piston 1. To perform a delivery stroke, pressurised fluid is applied to the piston through an orifice 8 whereby the piston moves to cover the holes and eject grease through a pipe 9. Due to the spread of the holes 4 in the base 10 the grease is drawn down the reservoir 7 in an even manner making the grease level easily visible. The stroke of the piston 1 causes an initial increases in pressure in the cylinder, the pressure being further increased by the action of a cavity 6 in the piston covering an end plug 3. It is possible to pump a known quantity of grease and a variety of other viscous and semi-viscous fluids.

Description

5E PIWP This invention relates to a grease pump.
Grease pumps are well known pieces of equipment used on a variety of vehicles and machines to lubricate moving parts via pipes and metering devices. The pump is usually connected to a power source which is switched 'on' and 'off' by a timer which is set to suit particular applications. The pump can also be operated by hand if required.
According to the present invention, a grease pump is provided which is positively self charging by suction, delivers a known quantity of grease at every stroke of the piston and draws the grease down the reservoir in an even manner. Other viscous and semi-viscous fluids can be used in the pump instead of grease.
A specific embodiment of the invention will now be described by way of example with reference to the accompanying drawings in which Fig. 1 shows the pump in the rest position, Fig. 2 shows the pump with the piston at full stroke.
Referring to the drawings:1. When pressure is applied on piston 1 through orifice 8, piston 1 travels through housing 2, shutting off holes 4 and covering end plug 3 with cavity 6 as shown in Fig. 2.
2. When pressure is removed from orifice 8, piston 1 is returned to its rest position by force exerted on it from spring 5 as shown in Fig. 1 and drawing grease into housing 2 through holes 4 from reservoir 7.
3. When pressure is again applied to piston 1 through orifice 8, piston 1 travels through housing 2 shutting off holes 4 pressurising the grease inside the housing which is amplified by end plug 3 and the grease is ejected under pressure through the pipe 9 as shown in Fig. 2.
This being the function of the pump.

Claims (5)

ClAIMS
1. A grease pump that positively recharges itself by suction, amplifies the grease pressure within itself twofold (i) by piston 1, and (ii) by the interaction between cavity 6 and end plug 3, and draws the grease down the reservoir in an even manner.
2. A grease pump as claimed in Claim 1 wherein the grease is sucked evenly into the housing 2 through the pattern of holes 4 in base 10 which ensures that the grease in clear reservoir 7 descends evenly and can be observed easily.
3. A grease pump as claimed in Claim 1 which delivers a measured quantity of grease which is determined by the internal dimensions of housing 2, cavity 6 and the size of end plug 3 and piston 1.
4. A grease pump as claimed in Claim 1, Claim 2 and Claim 3 can be used for other viscous and semi-viscous fluids instead of grease.
5. A grease pump as claimed in Claim 1, Claim 2, Claim 3 and Claim 4 substantially as described herein with reference to Fig. 1 and Fig.2 of the accompanying drawings.
GB9504115A 1995-03-01 1995-03-01 Grease Gun Withdrawn GB2298463A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9504115A GB2298463A (en) 1995-03-01 1995-03-01 Grease Gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9504115A GB2298463A (en) 1995-03-01 1995-03-01 Grease Gun

Publications (2)

Publication Number Publication Date
GB9504115D0 GB9504115D0 (en) 1995-04-19
GB2298463A true GB2298463A (en) 1996-09-04

Family

ID=10770462

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9504115A Withdrawn GB2298463A (en) 1995-03-01 1995-03-01 Grease Gun

Country Status (1)

Country Link
GB (1) GB2298463A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB428008A (en) * 1934-08-08 1935-05-03 John Frederick Carter Power unit for individual lubricant guns
GB1329149A (en) * 1970-01-21 1973-09-05 Cocks E H Hot-melt adhesive systems
US3945770A (en) * 1973-01-05 1976-03-23 Welker Robert H High pressure pump
GB1429489A (en) * 1973-09-13 1976-03-24 Bendix Westinghouse Ltd Fluid injector devices
EP0340477A2 (en) * 1988-05-05 1989-11-08 BAIER & KÖPPEL GMBH & CO. Präzisionsapparate Drive for a lubrication pump
US4955953A (en) * 1988-11-15 1990-09-11 Kls International Corporation Lubricating device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB428008A (en) * 1934-08-08 1935-05-03 John Frederick Carter Power unit for individual lubricant guns
GB1329149A (en) * 1970-01-21 1973-09-05 Cocks E H Hot-melt adhesive systems
US3945770A (en) * 1973-01-05 1976-03-23 Welker Robert H High pressure pump
GB1429489A (en) * 1973-09-13 1976-03-24 Bendix Westinghouse Ltd Fluid injector devices
EP0340477A2 (en) * 1988-05-05 1989-11-08 BAIER & KÖPPEL GMBH & CO. Präzisionsapparate Drive for a lubrication pump
US4955953A (en) * 1988-11-15 1990-09-11 Kls International Corporation Lubricating device

Also Published As

Publication number Publication date
GB9504115D0 (en) 1995-04-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)