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Easy-Spin Starting – This compression release, implemented as an extra hump on the intake lobe of the camshaft, was introduced in 1961 to reduce the effort required to start an engine. [15] In 1982, a new U.S. federal safety regulation required lawnmower blades to stop spinning within three seconds of the operator letting go of the handle ...
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The mower is a variation of the petrol-powered rotary push lawn mower, but uses a fan above the mower's spinning blades to allow the mower's body to hover over the lawn. The mower is claimed to be more manoeuvrable and easier to push than wheeled petrol mowers, while delivering similar results.
A lawn mower (also known as a grass cutter or simply mower, also often spelled lawnmower) is a device utilizing one or more revolving blades (or a reel) to cut a grass surface to an even height. The height of the cut grass may be fixed by the mower's design but generally is adjustable by the operator, typically by a single master lever or by a ...
Every walk-behind mower sold in the US since 1982 has a dead man's switch called an "operator-presence control", which by law must stop the blades within three seconds after the user releases the controls. [9] Attached across the handle is a mechanical lever connected by a flexible cable to the kill switch on the engine.
1942 - Sensation Mower Inc. founded by Howard Phelps. 1966 - Phelps sells the company to local real estate agent Frank Rogers. 1967 - Rogers sells the company to a group of Chicago investors headed by Carl Johnson. 1982 - Sensation Lawn Mower Company was bought by Gilson Brothers. 1980s - Sensation Lawn Mowers cease to be sold.
Pages in category "Lawn mower manufacturers" The following 20 pages are in this category, out of 20 total. This list may not reflect recent changes. A.
This is the start of the second revolution of the four stroke cycle. At this point the crankshaft has completed a full 360 degree revolution. While the piston is at T.D.C. (the end of the compression stroke) the compressed air-fuel mixture is ignited by a spark plug (in a gasoline engine) or by heat generated by high compression (diesel engines ...