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This culminated in the 1954 flagship model LS-98 crane and crane-excavator, one of the most successful pieces of construction equipment ever built. Production of this model continued for over 42 years (1954 to 1996) with over 7,000 units being shipped. LS-98 units are still in operation around the world.
R. G. LeTourneau founded R.G. LeTourneau, Inc. in California in 1929, as a contractor of earthmoving equipment, which manufactured products in Longview, Texas. [1] [better source needed] During World War II, the company provided nearly 75% of the Allies' earthmoving equipment. [2] In 1954, it built the first jack-up drilling rig.
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Crane Carrier Company (CCC) is a manufacturer that specializes in construction truck and garbage truck chassis. Located in New Philadelphia, Ohio, it was established by Robert Zeligson in 1946, along with the affiliated Zeligson Trucks. Since 2021, CCC has been owned by electric vehicle developer Battle Motors.
A jib crane is a type of crane - not to be confused with a crane rigged with a jib to extend its main boom - where a horizontal member (jib or boom), supporting a moveable hoist, is fixed to a wall or to a floor-mounted pillar. Jib cranes are used in industrial premises and on military vehicles.
The cam mechanism was further improved in 1925 by eliminating the drag chains for the shoes and changing to a cam wheel running in an oval track. This gave the shoe a proper elliptical motion. [ 6 ] [ 7 ] The first dragline using the new mechanism was the 3-W available in 1926.
Its solid-lifter cam, known as the "30-30 Duntov" cam named after its 0.03 in (0.8 mm)/0.030 in hot intake/exhaust valve-lash and Zora Arkus-Duntov (the first Duntov cam was the 0.012 in (0.3 mm)/0.018 in (0.5 mm) 1957 grind known as the '097, which referred to the last three digits of the casting number) the "Father of the Corvette", was also ...
Originally a Sikorsky Aircraft product, the type certificate and manufacturing rights were purchased from them by Erickson Air-Crane in 1992. Since that time, Erickson Air-Crane has become the manufacturer and world's largest operator of S-64 Aircranes and has made over 1,350 changes to the airframe, instrumentation, and payload capabilities of the helicopter.