Grease Gun - Wikipedia

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Appearance move to sidebar hide From Wikipedia, the free encyclopedia Tool for applying lubricant This article is about the tool. For the firearm nicknamed "Grease Gun", see M3 submachine gun.

This article may need to be rewritten to comply with Wikipedia's quality standards, as per MOS:LAYOUT. You can help. The talk page may contain suggestions. (February 2024)

This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources.Find sources: "Grease gun" – news · newspapers · books · scholar · JSTOR (February 2024)

A grease gun is a common workshop and garage tool used for lubrication. The purpose of the grease gun is to apply lubricant through an aperture to a specific point, usually from a grease cartridge to a grease fitting or 'nipple'. The channels behind the grease nipple lead to where the lubrication is needed. The aperture may be of a type that fits closely with a receiving aperture on any number of mechanical devices. The close fitting of the apertures ensures that lubricant is applied only where needed. There are four types of grease gun:

1. Hand-powered, where the grease is forced from the aperture by back-pressure built up by hand-cranking the trigger mechanism of the gun, which applies pressure to a spring mechanism behind the lubricant, thus forcing grease through the aperture.
2. Hand-powered, where there is no trigger mechanism, and the grease is forced through the aperture by the back-pressure built up by pushing on the butt of the grease gun, which slides a piston through the body of the tool, pumping grease out of the aperture.
3. Air-powered (pneumatic), where compressed air is directed to the gun by hoses, the air pressure serving to force the grease through the aperture. Russell Gray, inventor of the air-powered grease gun, founded Graco based on this invention.[citation needed]
4. Electric, where an electric motor drives a high-pressure grease pump. These are often battery-powered for portability.

The grease gun is charged or loaded with any of the various types of lubricants, but usually a thicker heavier type of grease is used.

It was a close resemblance to contemporary hand-powered grease guns that gave the nickname to the World War II-era M3 submachine gun.[1]

See also

[edit]

• Grease gun injury
• Drum pump

References

[edit] Wikimedia Commons has media related to Grease guns.

1. ^ Ingram, Mike (2001). The MP40 Submachine Gun. Zenith Imprint. p. 85. ISBN 0760310149.

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