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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 gooseneck hitch mounts in the middle of the truck bed. This hitch is designed to be paired with a gooseneck trailer, which can manage heavier loads than a hitch at the back of the tow vehicle. An advantage of the gooseneck hitch is its tighter turning radius, which helps when towing a big flatbed or car hauler.
When mass production of buggy parts began in the early 19th century, fifth wheels were among the first products to be made. There were a number of patents awarded for fifth-wheel design. Edward and Charles Everett, Quincy, Illinois patented a type of fifth wheel in 1850, followed by Gutches' metallic head block and fifth wheel in 1870 and ...
List of bicycle parts by alphabetic order: Axle : as in the generic definition, a rod that serves to attach a wheel to a bicycle and provides support for bearings on which the wheel rotates. Also sometimes used to describe suspension components, for example a swing arm pivot axle
A gooseneck is a semi-rigid, flexible joining element made from a coiled metal hose. Similar to its natural counterpart , it can be bent in almost any direction and remain in that position. [ 1 ] Areas of application for goosenecks are movable brackets for lights , magnifying glasses , microphones and other devices. [ 2 ]
Two or more passenger or freight cars may be attached by means of a drawbar rather than a coupler. At each end of the permanently coupled vehicles there is a regular coupler, such as the North American Janney coupler or the Russian SA3 coupler. The use of a drawbar eliminates slack action.