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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 ...
The Aero Coupler patent drawing (1928) For the Aerocar Curtiss invented a new type of shock-absorbing fifth wheel hitch called the Aero Coupler (sometimes "Aerocoupler"). [5] A similar hitch was used in The Brighton Trailer and may have been the hitch referred to (but not patented) in the Curtiss Camp Car patent of 1921.
The market for quick couplers is mainly supplied by a large number of small and medium-sized enterprises. Many of the manufacturers of quick couplers are small, flexible and innovative, leading to the wide variation in design concepts. Many Original Equipment Manufacturers (OEMs) of construction equipment market a range of quick couplers.
Ball and Socket Coupler. Most trailers are towed by joining a ball and a coupler (socket). [1] The coupler is attached to the trailer, and the ball hitch is attached to the tow vehicle. The coupler slides over the ball hitch. Then, pressure is applied to a clamp, usually with a toggle or lever, which secures the ball in the coupler.
The diagram from Beard's 1897 coupler patent [1]. Janney couplers were first patented in 1873 by Eli H. Janney (U.S. patent 138,405). [2] [3] Andrew Jackson Beard was amongst various inventors that made a multitude of improvements to the knuckle coupler; [1] Beard's patents were U.S. patent 594,059 granted 23 November 1897, which then sold for approximately $50,000, and U.S. patent 624,901 ...
The draw bar is secured to the trailer hitch by inserting it into the hitch receiver and pinning it. The three most common types of couplers are straight couplers, A-frame couplers, and adjustable couplers. Bumper-pull hitches and draw bars can exert tremendous leverage on the tow vehicle making it harder to recover from a swerving situation.
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3579 S High St, Columbus, OH · Directions · (614) 409-0683