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Graco was founded in 1942 in Philadelphia, Pennsylvania, by Russell Gray and Robert Cone (hence the name) as Graco Metal Products, a company that fabricated machine and car parts. Rex Thomas (one of two engineers hired to come up with a sustainable product) watched his wife sitting on the porch, rocking their baby in a swing with a string tied ...
At 2,500 pounds (1.1 t), the 9N could plow more than 12 acres (4.9 hectares) in a normal day pulling two 14-inch (360 mm) plows, [3] outperforming the tractive performance of the heavier and more expensive Farmall F-30 model. [3] The hitch's utility and simplicity have since made it an industry standard.
The trailer tongue (North America) or coupling (outside North America) slips over a trailer hitch ball attached to a receiver hitch mount or integral with the hitch. A larger, heavy-duty gooseneck ball size: 3 in (76.2 mm) is typically used for towing greater than 10,000 pounds (4.5 t), and this towing capacity falls outside of the scope of SAE ...
Diagram showing the (theoretical) 3:1 mechanical advantage of the Trucker's Hitch. In tightening the trucker's hitch, tension can be effectively increased by repeatedly pulling sideways while preventing the tail end from slipping through the loop, and then cinching the knot tighter as the sideways force is released. This is called "sweating a ...
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[3] Leil Gray died in 1958, and was succeeded as president by Harry A. Murphy. [3] He was succeeded in turn by David A Koch in 1962. [3] The company continued to expand, helped by the 1957 introduction of the airless spray gun. By 1969, when Gray Company went public and changed its name to Graco, it had annual sales of $33 million. [3]
The adjustable grip hitch is a simple and useful friction hitch which may easily be shifted up and down the rope while slack. It will hold fast when loaded, but slip when shock loaded until tension is relieved enough for it to again hold fast. It serves the same purpose as the taut-line hitch, e.g. tensioning a tent's guy line.
A kind of hitch, which is a knot used for attaching rope to a pole or other structure. Pipe hitch: A hitch-type knot used to secure smooth cylindrical objects. Prusik knot: A friction hitch or knot used to put a loop of cord around a rope, applied in climbing, canyoneering, mountaineering, caving, rope rescue, and by arborists. Reverse half hitches