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Lincoln patented the first lever grease gun to work with a full stroke operation called the Model 1242. This meant that a hand-held grease gun could generate up to 10,000 lbf/in² (70 MPa) of pressure. Operators of the unit could push grease into blocked or "frozen" fittings and the unit allowed for work in confined areas.
The M3 was commonly referred to as the "Grease Gun" or simply "the Greaser", owing to its visual similarity to the mechanic's tool. [13] The M3 was intended as a replacement for the Thompson, and began to enter frontline service in mid-1944. By late 1944, the M3A1 variant was introduced, which also saw use in the Korean War and later conflicts.
Grease fitting on a bearing A grease nipple on the driver's door of a 1956 VW Beetle. A grease fitting, grease nipple, Zerk fitting, grease zerk, Alemite fitting, or divit is a metal fitting used in mechanical systems to feed lubricants, usually lubricating grease, into a bearing under moderate to high pressure using a grease gun.
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 ...
Top: IWI Negev Bottom: FN MAG (general purpose machine gun) Czechoslovak 7.62 mm Universal Machine gun Model 1959 A .50 caliber M2 machine gun: John Browning's design has been one of the longest-serving and most successful machine gun designs. A machine gun (MG) is a fully automatic and rifled firearm designed for sustained direct fire with ...
Agar advertised the gun as "an army in six feet square", due to its high rate of fire. [3] In 1861, the Agar machine gun was demonstrated to President Abraham Lincoln, who was very impressed by the weapon. Lincoln wrote "I saw this gun myself, and witnessed some experiments with it, and I really think it is worth the attention of the Government."
Newer battery-powered wrenches also allow for brushless motors, leading to a longer motor life. The Worlds first 12.0 Amp Battery Tool was made by Juwel Torque tools in Germany in 2024. The largest Battery torque wrench ever was invented and manufactured in Germany in 2013. It is capable of 31,000 Ft lbs of power with a 2.5 inch square drive ...
On 5 June, Battery E was ordered to trade its old artillery pieces in for six new 12-pound guns. [64] The battery was divided into three two-gun sections; two, under Lieutenants John Fitch and Orrin Cram, remained on the line. The third was moved up to an advanced battery. [65]