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The claimed advantage of pin-grabbers is flexibility in use in that a machine owner can use a variety of buckets and attachments without changing the quick coupler or buying an adaptor. The claimed advantages of dedicated couplers depend on their individual design but often include better performance and smaller size.
On a standard-gauge railway, the nominal mounting height for the coupler (rail top to coupler center) is 33 inches (838 mm), with a 34 + 1 ⁄ 2 ± 1 inch (876 ± 25 mm) maximum height on empty cars and 31 + 1 ⁄ 2 ± 1 inch (800 ± 25 mm) minimum height on loaded cars.
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 ...
They purchased Dayton Manufacturing, an Ohio lock making company, in 1917. Also in 1917 the company was once again renamed when W. E. Fraim bought into the company and the company's new name became the Slaymaker Lock Company. W.E. Fraim's father, E.T. Fraim, owned the rival E.T. Fraim lock company and had died that year (1917) and W.E. Fraim ...
Today, Dellner manufactures all commercially available couplers for passenger trains [22] – from semi-permanent couplers to fully automatic couplers based on the Scharfenberg coupler principle, Tomlinson couplers and SA3 couplers. Dellner has also developed its own type of coupler head, the automatic coupler type 12.
Dayton-Wright OW.1 Aerial Coupe: 1919: 1: Single engine biplane touring airplane Dayton-Wright RB-1 Racer: 1920: 1: Single engine monoplane racer Dayton-Wright FP.2: 1921: 1: Twin engine biplane observation airplane Dayton-Wright KT Cabin Cruiser: 1921: 4: Single engine biplane touring airplane Dayton-Wright XPS-1: 1923: 3: Single engine ...