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Allen Scythe with rotary saw attachment preserved at Didcot Railway Centre, England The Allen Scythe , sometimes called the Allen Power Scythe, is a petrol-powered finger-bar mower. It was made from 1933 until 1973 by John Allen and Sons in Cowley, Oxfordshire .
A rotary reciprocating saw is a type of saw that spins a cutting implement around a rotary axis, instead of thrusting it along a linear axis. The first use of such devices was in medicine , where cutting through bone warranted the need for a saw with minimal stroke length, and a cutting action that could be implemented through depth cut rather ...
In 1966, Rockwell invented the world's first power miter saw. In 1981, Rockwell's power tool group was acquired by Pentair and re-branded Delta Machinery. In 2004, Pentair's Tools group was acquired by Black & Decker. [4]
Lowe's and manufacturing partner J.H. Williams launched Kobalt in 1998, [1] with the intention of competing against rival retailers Sears and The Home Depot and their respective Craftsman and Husky tool brands. [2] In 2003, the Danaher Corporation began producing the majority of Kobalt hand tools. [3] [4]
In 1958 MTD entered the lawn and garden power equipment industry with the production of an 18-inch (46 cm) power rotary mower. In 1959 MTD began manufacturing self-propelled lawn mowers, garden tractors and other power equipment. In 1962 MTD purchased Sehl Engineering Ltd. of Canada which would later become MTD Products, Ltd. and then MTD Canada.
A bone cutter Hacksaw-type surgeon's saw used by Dr. David Jones at the Battle of Bunker Hill A costotome in the open position. A bone cutter is a surgical instrument used to cut or remove bones. [1] [2] In addition to surgery, they are also used in forensics and dismemberment. Types of medical bone cutters include:
A splitter is a stationary blade of similar thickness to the rotating saw blade mounted behind it to prevent a board from pinching inward into the saw kerf and binding on the saw blade, potentially causing a dangerous kickback. [7] Like a riving knife, its thickness should be greater than the body of the saw blade but thinner than its kerf. [7]
A hand-held circular saw is the most conventional circular saw. This miter saw is a circular saw mounted to swing to crosscut wood at an angle. A table saw. Tractor-driven circular saw. A circular saw or a buzz saw, is a power-saw using a toothed or abrasive disc or blade to cut different materials using a rotary motion spinning around an arbor.